activity framework

chengzhenyu 8 ans auparavant
Parent
Commettre
7a839f759a
32 fichiers modifiés avec 2778 ajouts et 1687 suppressions
  1. 30 12
      app/src/main/AndroidManifest.xml
  2. 67 0
      app/src/main/java/ai/pai/lensman/base/BaseActivity.java
  3. 2 2
      app/src/main/java/ai/pai/lensman/box/ApiClient.java
  4. 5 0
      app/src/main/java/ai/pai/lensman/box/ApiService.java
  5. 2 2
      app/src/main/java/ai/pai/lensman/briefs/BriefsActivity.java
  6. 29 0
      app/src/main/java/ai/pai/lensman/login/LoginActivity.java
  7. 2 2
      app/src/main/java/ai/pai/lensman/qrcode/QRCaptureActivity.java
  8. 1 1
      app/src/main/java/ai/pai/lensman/uploadservice/Constants.java
  9. 1 1
      app/src/main/java/ai/pai/lensman/uploadservice/ImageUtils.java
  10. 1 1
      app/src/main/java/ai/pai/lensman/uploadservice/PhotoUploadUtils.java
  11. 128 0
      app/src/main/java/ai/pai/lensman/service/UpgradeService.java
  12. 2 2
      app/src/main/java/ai/pai/lensman/uploadservice/UploadTask.java
  13. 2 2
      app/src/main/java/ai/pai/lensman/session/SessionActivity.java
  14. 2 1
      app/src/main/java/ai/pai/lensman/settings/SettingsActivity.java
  15. 70 0
      app/src/main/java/ai/pai/lensman/splash/SplashActivity.java
  16. 2 2
      app/src/main/java/ai/pai/lensman/upload/UploadActivity.java
  17. 2 0
      app/src/main/java/ai/pai/lensman/utils/UrlContainer.java
  18. 11 1
      app/src/main/res/layout/activity_login.xml
  19. 15 0
      app/src/main/res/layout/activity_splash.xml
  20. 8 0
      app/src/main/res/values/strings.xml
  21. 0 1641
      views/src/main/java/com/android/views/swipeLayout/SwipeLayout.java
  22. 19 0
      views/src/main/java/com/android/views/swipebacklayout/SwipeBackActivityBase.java
  23. 60 0
      views/src/main/java/com/android/views/swipebacklayout/SwipeBackActivityHelper.java
  24. 606 0
      views/src/main/java/com/android/views/swipebacklayout/SwipeBackLayout.java
  25. 103 0
      views/src/main/java/com/android/views/swipebacklayout/Utils.java
  26. 1580 0
      views/src/main/java/com/android/views/swipebacklayout/ViewDragHelper.java
  27. BIN
      views/src/main/res/drawable/shadow_bottom.png
  28. BIN
      views/src/main/res/drawable/shadow_left.png
  29. BIN
      views/src/main/res/drawable/shadow_right.png
  30. 6 0
      views/src/main/res/layout/swipeback_layout.xml
  31. 14 0
      views/src/main/res/values/attrs.xml
  32. 8 17
      views/src/main/res/values/styles.xml

+ 30 - 12
app/src/main/AndroidManifest.xml

@@ -23,9 +23,11 @@
23 23
         android:theme="@style/AppTheme.NoActionBar">
24 24
 
25 25
         <activity
26
-            android:name=".upload.UploadActivity"
26
+            android:name=".splash.SplashActivity"
27 27
             android:configChanges="keyboardHidden|orientation|screenSize"
28
-            android:label="@string/app_name">
28
+            android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
29
+            android:label="@string/app_name"
30
+            android:screenOrientation="portrait">
29 31
 
30 32
             <intent-filter>
31 33
                 <action android:name="android.intent.action.MAIN" />
@@ -35,28 +37,44 @@
35 37
         </activity>
36 38
 
37 39
         <activity
38
-            android:name=".session.SessionActivity"
40
+            android:name=".login.LoginActivity"
39 41
             android:configChanges="keyboardHidden|orientation|screenSize"
40
-            android:label="@string/app_name">
42
+            android:label="@string/app_name"
43
+            android:screenOrientation="portrait">
44
+
41 45
         </activity>
42 46
 
43 47
         <activity
44
-            android:name=".qrcode.QRCaptureActivity"
48
+            android:name=".upload.UploadActivity"
45 49
             android:configChanges="keyboardHidden|orientation|screenSize"
46
-            android:label="@string/app_name">
50
+            android:label="@string/app_name"
51
+            android:screenOrientation="portrait">
52
+
47 53
         </activity>
48 54
 
49 55
         <activity
50
-        android:name=".briefs.BriefsActivity"
51
-        android:configChanges="keyboardHidden|orientation|screenSize"
52
-        android:label="@string/app_name">
53
-    </activity>
56
+            android:name=".session.SessionActivity"
57
+            android:configChanges="keyboardHidden|orientation|screenSize"
58
+            android:label="@string/app_name"
59
+            android:screenOrientation="portrait"></activity>
60
+
61
+        <activity
62
+            android:name=".qrcode.QRCaptureActivity"
63
+            android:configChanges="keyboardHidden|orientation|screenSize"
64
+            android:label="@string/app_name"
65
+            android:screenOrientation="portrait"></activity>
66
+
67
+        <activity
68
+            android:name=".briefs.BriefsActivity"
69
+            android:configChanges="keyboardHidden|orientation|screenSize"
70
+            android:label="@string/app_name"
71
+            android:screenOrientation="portrait"></activity>
54 72
 
55 73
         <activity
56 74
             android:name=".settings.SettingsActivity"
57 75
             android:configChanges="keyboardHidden|orientation|screenSize"
58
-            android:label="@string/app_name">
59
-        </activity>
76
+            android:label="@string/app_name"
77
+            android:screenOrientation="portrait"></activity>
60 78
 
61 79
     </application>
62 80
 

+ 67 - 0
app/src/main/java/ai/pai/lensman/base/BaseActivity.java

@@ -0,0 +1,67 @@
1
+package ai.pai.lensman.base;
2
+
3
+import android.os.Bundle;
4
+import android.support.v7.app.AppCompatActivity;
5
+import android.view.View;
6
+import android.widget.Toast;
7
+
8
+import com.android.common.utils.NetworkUtil;
9
+import com.android.views.swipebacklayout.SwipeBackActivityBase;
10
+import com.android.views.swipebacklayout.SwipeBackActivityHelper;
11
+import com.android.views.swipebacklayout.SwipeBackLayout;
12
+import com.android.views.swipebacklayout.Utils;
13
+
14
+import ai.pai.lensman.R;
15
+
16
+/**
17
+ * Created by chengzhenyu on 2015/12/2.
18
+ */
19
+public class BaseActivity extends AppCompatActivity implements SwipeBackActivityBase {
20
+
21
+    protected  String TAG ;
22
+
23
+    private SwipeBackActivityHelper mHelper;
24
+
25
+    @Override
26
+    protected void onCreate(Bundle savedInstanceState) {
27
+        super.onCreate(savedInstanceState);
28
+        TAG = getClass().getSimpleName();
29
+        mHelper = new SwipeBackActivityHelper(this);
30
+        mHelper.onActivityCreate();
31
+        if(!NetworkUtil.isNetworkConnected(this)){
32
+            Toast.makeText(this, R.string.network_disconnect,Toast.LENGTH_SHORT).show();
33
+        }
34
+    }
35
+
36
+    @Override
37
+    protected void onPostCreate(Bundle savedInstanceState) {
38
+        super.onPostCreate(savedInstanceState);
39
+        mHelper.onPostCreate();
40
+    }
41
+
42
+    @Override
43
+    public View findViewById(int id) {
44
+        View v = super.findViewById(id);
45
+        if (v == null && mHelper != null)
46
+            return mHelper.findViewById(id);
47
+        return v;
48
+    }
49
+
50
+    @Override
51
+    public SwipeBackLayout getSwipeBackLayout() {
52
+        return mHelper.getSwipeBackLayout();
53
+    }
54
+
55
+    @Override
56
+    public void setSwipeBackEnable(boolean enable) {
57
+        getSwipeBackLayout().setEnableGesture(enable);
58
+    }
59
+
60
+    @Override
61
+    public void scrollToFinishActivity() {
62
+        Utils.convertActivityToTranslucent(this);
63
+        getSwipeBackLayout().scrollToFinishActivity();
64
+    }
65
+
66
+
67
+}

+ 2 - 2
app/src/main/java/ai/pai/lensman/box/ApiClient.java

@@ -22,8 +22,8 @@ public final class ApiClient {
22 22
     private static final OkHttpClient client = new OkHttpClient.Builder()
23 23
             .retryOnConnectionFailure(true)
24 24
             .connectTimeout(10, TimeUnit.SECONDS)
25
-            .addInterceptor(createUserAgentInterceptor())
26
-            .addInterceptor(createHttpLoggingInterceptor())
25
+//            .addInterceptor(createUserAgentInterceptor())
26
+//            .addInterceptor(createHttpLoggingInterceptor())
27 27
             .build();
28 28
 
29 29
     public static final Gson gson = new GsonBuilder().create();

+ 5 - 0
app/src/main/java/ai/pai/lensman/box/ApiService.java

@@ -5,21 +5,26 @@ import java.util.List;
5 5
 import ai.pai.lensman.session.PhotoBean;
6 6
 import retrofit2.Call;
7 7
 import retrofit2.http.Field;
8
+import retrofit2.http.FormUrlEncoded;
8 9
 import retrofit2.http.POST;
9 10
 
10 11
 public interface ApiService {
11 12
 
12 13
 
13 14
     @POST("session_start")
15
+    @FormUrlEncoded
14 16
     Call<String> startNewSession(@Field("session") String sessionId ,@Field("lensman") String lensmanId);
15 17
 
16 18
     @POST("session_end")
19
+    @FormUrlEncoded
17 20
     Call<String> endSession(@Field("session") String sessionId, @Field("lensman") String lensmanId);
18 21
 
19 22
     @POST("fetch_thumbnail")
23
+    @FormUrlEncoded
20 24
     Call<List<PhotoBean>> fetchSessionThumbnails(@Field("session") String sessionId, @Field("lensman") String lensmanId);
21 25
 
22 26
     @POST("fetch_origin")
27
+    @FormUrlEncoded
23 28
     Call<String> fetchSessionOriginPhoto(@Field("session") String sessionId, @Field("lensman") String lensmanId, @Field("name") String name);
24 29
 
25 30
 

+ 2 - 2
app/src/main/java/ai/pai/lensman/briefs/BriefsActivity.java

@@ -3,14 +3,14 @@ package ai.pai.lensman.briefs;
3 3
 import android.content.Intent;
4 4
 import android.os.Bundle;
5 5
 import android.support.annotation.Nullable;
6
-import android.support.v7.app.AppCompatActivity;
7 6
 
8 7
 import ai.pai.lensman.R;
8
+import ai.pai.lensman.base.BaseActivity;
9 9
 import ai.pai.lensman.settings.SettingsActivity;
10 10
 import butterknife.ButterKnife;
11 11
 import butterknife.OnClick;
12 12
 
13
-public class BriefsActivity extends AppCompatActivity{
13
+public class BriefsActivity extends BaseActivity{
14 14
 
15 15
     @Override
16 16
     protected void onCreate(@Nullable Bundle savedInstanceState) {

+ 29 - 0
app/src/main/java/ai/pai/lensman/login/LoginActivity.java

@@ -0,0 +1,29 @@
1
+package ai.pai.lensman.login;
2
+
3
+import android.content.Intent;
4
+import android.os.Bundle;
5
+
6
+import ai.pai.lensman.R;
7
+import ai.pai.lensman.base.BaseActivity;
8
+import ai.pai.lensman.db.Preferences;
9
+import ai.pai.lensman.upload.UploadActivity;
10
+import butterknife.ButterKnife;
11
+import butterknife.OnClick;
12
+
13
+public class LoginActivity extends BaseActivity {
14
+
15
+    @Override
16
+    protected void onCreate(Bundle savedInstanceState) {
17
+        super.onCreate(savedInstanceState);
18
+        setContentView(R.layout.activity_login);
19
+        ButterKnife.bind(this);
20
+    }
21
+
22
+    @OnClick(R.id.btn_login)
23
+    public void login(){
24
+        Preferences.getInstance(this).setLensManId("hafihafhHDFA");
25
+        startActivity(new Intent(this, UploadActivity.class));
26
+        finish();
27
+    }
28
+
29
+}

+ 2 - 2
app/src/main/java/ai/pai/lensman/qrcode/QRCaptureActivity.java

@@ -24,7 +24,6 @@ import android.graphics.BitmapFactory;
24 24
 import android.graphics.Rect;
25 25
 import android.os.Bundle;
26 26
 import android.os.Handler;
27
-import android.support.v4.app.FragmentActivity;
28 27
 import android.text.TextUtils;
29 28
 import android.util.Log;
30 29
 import android.view.SurfaceHolder;
@@ -51,6 +50,7 @@ import java.lang.reflect.Field;
51 50
 import java.util.Hashtable;
52 51
 
53 52
 import ai.pai.lensman.R;
53
+import ai.pai.lensman.base.BaseActivity;
54 54
 import ai.pai.lensman.utils.SystemUtils;
55 55
 import butterknife.BindView;
56 56
 import butterknife.ButterKnife;
@@ -65,7 +65,7 @@ import butterknife.ButterKnife;
65 65
  * @author dswitkin@google.com (Daniel Switkin)
66 66
  * @author Sean Owen
67 67
  */
68
-public class QRCaptureActivity extends FragmentActivity implements SurfaceHolder.Callback,
68
+public class QRCaptureActivity extends BaseActivity implements SurfaceHolder.Callback,
69 69
         View.OnClickListener {
70 70
 
71 71
     private static final String TAG = "QRCaptureActivity";

+ 1 - 1
app/src/main/java/ai/pai/lensman/uploadservice/Constants.java

@@ -1,4 +1,4 @@
1
-package ai.pai.lensman.uploadservice;
1
+package ai.pai.lensman.service;
2 2
 
3 3
 import android.os.Environment;
4 4
 

+ 1 - 1
app/src/main/java/ai/pai/lensman/uploadservice/ImageUtils.java

@@ -1,4 +1,4 @@
1
-package ai.pai.lensman.uploadservice;
1
+package ai.pai.lensman.service;
2 2
 
3 3
 import android.graphics.Bitmap;
4 4
 import android.graphics.BitmapFactory;

+ 1 - 1
app/src/main/java/ai/pai/lensman/uploadservice/PhotoUploadUtils.java

@@ -1,4 +1,4 @@
1
-package ai.pai.lensman.uploadservice;
1
+package ai.pai.lensman.service;
2 2
 
3 3
 import android.graphics.Bitmap;
4 4
 import android.graphics.BitmapFactory;

+ 128 - 0
app/src/main/java/ai/pai/lensman/service/UpgradeService.java

@@ -0,0 +1,128 @@
1
+package ai.pai.lensman.service;
2
+
3
+
4
+import android.app.IntentService;
5
+import android.content.Intent;
6
+import android.content.pm.PackageInfo;
7
+import android.net.Uri;
8
+import android.os.Handler;
9
+import android.os.Looper;
10
+import android.widget.Toast;
11
+
12
+import com.android.common.http.HttpUtils;
13
+import com.android.common.utils.JSONParseUtils;
14
+import com.android.common.utils.LogHelper;
15
+
16
+import org.json.JSONObject;
17
+
18
+import java.io.File;
19
+import java.io.FileOutputStream;
20
+import java.io.InputStream;
21
+import java.net.HttpURLConnection;
22
+import java.net.URL;
23
+
24
+import ai.pai.lensman.R;
25
+import ai.pai.lensman.utils.UrlContainer;
26
+
27
+
28
+public class UpgradeService extends IntentService {
29
+
30
+    private static final String TAG = "UpgradeService";
31
+    private Handler handler;
32
+
33
+    public UpgradeService() {
34
+        super(TAG);
35
+        handler = new Handler(Looper.getMainLooper());
36
+    }
37
+
38
+    @Override
39
+    protected void onHandleIntent(Intent intent) {
40
+        boolean isMuteUpdate = intent.getBooleanExtra("isMuteUpdate",true);
41
+        try{
42
+            String result = HttpUtils.doHttpPost(UrlContainer.CHECK_UPDATE_URL,null);
43
+            LogHelper.d(TAG,"检查更新结果"+result);
44
+            JSONObject json = new JSONObject(result);
45
+            int status = json.getInt("status");
46
+            if(status!=200){
47
+                LogHelper.d(TAG,"检查更新失败");
48
+                if(!isMuteUpdate){
49
+                    handler.post(new Runnable() {
50
+                        @Override
51
+                        public void run() {
52
+                            Toast.makeText(getApplicationContext(), R.string.check_version_fail,Toast.LENGTH_SHORT).show();
53
+                        }
54
+                    });
55
+                }
56
+                return;
57
+            }
58
+            JSONObject data = json.getJSONObject("data");
59
+            JSONObject appInfo = data.getJSONObject("appinfo");
60
+            String latestVersionCode = JSONParseUtils.getJSONString(appInfo.getString("latest_version_code"));
61
+            int versionCode = Integer.parseInt(latestVersionCode);
62
+            PackageInfo packageInfo = getPackageManager().getPackageInfo(getPackageName(),0);
63
+            if(versionCode<=packageInfo.versionCode){
64
+                LogHelper.d(TAG,"不需要更新");
65
+                if(!isMuteUpdate){
66
+                    handler.post(new Runnable() {
67
+                        @Override
68
+                        public void run() {
69
+                            Toast.makeText(getApplicationContext(), R.string.current_version_is_latest,Toast.LENGTH_SHORT).show();
70
+                        }
71
+                    });
72
+                }
73
+                return;
74
+            }
75
+            String latestVersionUrl = JSONParseUtils.getJSONString(appInfo.getString("latest_url"));
76
+            URL url = new URL(latestVersionUrl);
77
+            HttpURLConnection conn = (HttpURLConnection)url.openConnection();
78
+            conn.setRequestMethod("GET");
79
+            conn.setReadTimeout(10000);
80
+            conn.setConnectTimeout(10000);
81
+            conn.setRequestProperty("accept", "*/*");
82
+            conn.connect();
83
+
84
+            File dir = new File(Constants.APP_TEMP_DIR);
85
+            dir.mkdirs();
86
+            File file = new File(dir,"paiai"+System.currentTimeMillis()+".apk");
87
+            LogHelper.d(TAG,"需要更新,开始下载,下载到:"+file.getAbsolutePath());
88
+            if(!isMuteUpdate){
89
+                Toast.makeText(this, R.string.new_version_found,Toast.LENGTH_SHORT).show();
90
+            }
91
+            if(!file.exists()){
92
+                file.createNewFile();
93
+            }
94
+            FileOutputStream out = new FileOutputStream(file);
95
+            InputStream in =conn.getInputStream();
96
+            int bufSize = 8192;
97
+            int readLen = 0;
98
+            int pos = 0;
99
+            byte[] buffer = new byte[bufSize];
100
+            while((readLen=in.read(buffer,pos,bufSize-pos))!=-1){
101
+                out.write(buffer,pos,readLen);
102
+                pos+=readLen;
103
+                if(pos>=bufSize){
104
+                    pos = 0;
105
+                }
106
+            }
107
+            out.flush();
108
+            in.close();
109
+            out.close();
110
+            conn.disconnect();
111
+            Intent installIntent = new Intent();
112
+            installIntent.setAction(Intent.ACTION_VIEW);
113
+            installIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
114
+            installIntent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
115
+            startActivity(installIntent);
116
+        }catch (Exception e){
117
+            if(!isMuteUpdate){
118
+                handler.post(new Runnable() {
119
+                    @Override
120
+                    public void run() {
121
+                        Toast.makeText(getApplicationContext(), R.string.check_version_fail,Toast.LENGTH_SHORT).show();
122
+                    }
123
+                });
124
+            }
125
+        }
126
+    }
127
+
128
+}

+ 2 - 2
app/src/main/java/ai/pai/lensman/uploadservice/UploadTask.java

@@ -1,4 +1,4 @@
1
-package ai.pai.lensman.uploadservice;
1
+package ai.pai.lensman.service;
2 2
 
3 3
 import android.content.Context;
4 4
 import android.os.AsyncTask;
@@ -39,7 +39,7 @@ public class UploadTask extends AsyncTask<String,Integer,Boolean> {
39 39
             if(photo.exists() &&photo.isFile()){
40 40
                 PhotoUploadUtils photoUploadUtils = new PhotoUploadUtils(UrlContainer.HOME_PHOTO_URL+"?timestamp="+System.currentTimeMillis());
41 41
                 photoUploadUtils.addFileParameter("photo", photo);
42
-                photoUploadUtils.addTextParameter("user_id", Preferences.getInstance(context).getUserId());
42
+                photoUploadUtils.addTextParameter("user_id", Preferences.getInstance(context).getLensManId());
43 43
                 photoUploadUtils.addTextParameter("group_id", groupId);
44 44
                 photoUploadUtils.addTextParameter("nickname", Preferences.getInstance(context).getUserName());
45 45
                 String result=new String(photoUploadUtils.send(),"UTF-8");

+ 2 - 2
app/src/main/java/ai/pai/lensman/session/SessionActivity.java

@@ -3,20 +3,20 @@ package ai.pai.lensman.session;
3 3
 import android.app.Activity;
4 4
 import android.content.Intent;
5 5
 import android.os.Bundle;
6
-import android.support.v7.app.AppCompatActivity;
7 6
 import android.support.v7.widget.LinearLayoutManager;
8 7
 import android.support.v7.widget.RecyclerView;
9 8
 import android.view.View;
10 9
 import android.widget.TextView;
11 10
 
12 11
 import ai.pai.lensman.R;
12
+import ai.pai.lensman.base.BaseActivity;
13 13
 import ai.pai.lensman.qrcode.QRCaptureActivity;
14 14
 import ai.pai.lensman.upload.SessionBean;
15 15
 import butterknife.BindView;
16 16
 import butterknife.ButterKnife;
17 17
 import butterknife.OnClick;
18 18
 
19
-public class SessionActivity extends AppCompatActivity implements SessionContract.SessionView {
19
+public class SessionActivity extends BaseActivity implements SessionContract.SessionView {
20 20
 
21 21
     @BindView(R.id.icon_no_data) View noPhotoLayout;
22 22
     @BindView(R.id.title_bar_middle_txt) TextView titleTextView;

+ 2 - 1
app/src/main/java/ai/pai/lensman/settings/SettingsActivity.java

@@ -5,13 +5,14 @@ import android.support.annotation.Nullable;
5 5
 import android.support.v7.app.AppCompatActivity;
6 6
 
7 7
 import ai.pai.lensman.R;
8
+import ai.pai.lensman.base.BaseActivity;
8 9
 import butterknife.ButterKnife;
9 10
 import butterknife.OnClick;
10 11
 
11 12
 /**
12 13
  * Created by chengzhenyu on 2016/7/21.
13 14
  */
14
-public class SettingsActivity extends AppCompatActivity {
15
+public class SettingsActivity extends BaseActivity {
15 16
 
16 17
 
17 18
     @Override

+ 70 - 0
app/src/main/java/ai/pai/lensman/splash/SplashActivity.java

@@ -0,0 +1,70 @@
1
+package ai.pai.lensman.splash;
2
+
3
+import android.content.Intent;
4
+import android.os.Bundle;
5
+import android.os.Handler;
6
+import android.support.v4.app.FragmentActivity;
7
+
8
+import com.android.common.utils.NetworkUtil;
9
+
10
+import java.text.SimpleDateFormat;
11
+import java.util.Date;
12
+
13
+import ai.pai.lensman.R;
14
+import ai.pai.lensman.db.Preferences;
15
+import ai.pai.lensman.login.LoginActivity;
16
+import ai.pai.lensman.service.UpgradeService;
17
+import ai.pai.lensman.upload.UploadActivity;
18
+
19
+public class SplashActivity extends FragmentActivity {
20
+
21
+    private Handler mHandler;
22
+    private static final int NORMAL_DELAY_TIME = 1500;
23
+
24
+    @Override
25
+    protected void onCreate(Bundle savedInstanceState) {
26
+        super.onCreate(savedInstanceState);
27
+        setContentView(R.layout.activity_splash);
28
+        mHandler = new Handler();
29
+    }
30
+
31
+    @Override
32
+    protected void onResume() {
33
+        super.onResume();
34
+        checkUpdateAndSplash();
35
+        mHandler.postDelayed(new Runnable() {
36
+            @Override
37
+            public void run() {
38
+                Intent intent ;
39
+                if(Preferences.getInstance(getApplicationContext()).getLensManId().isEmpty()){
40
+                    intent = new Intent(SplashActivity.this, LoginActivity.class);
41
+                }else{
42
+                    intent = new Intent(SplashActivity.this, UploadActivity.class);
43
+                }
44
+                startActivity(intent);
45
+                finish();
46
+            }
47
+        }, NORMAL_DELAY_TIME);
48
+    }
49
+
50
+    @Override
51
+    protected void onStop() {
52
+        super.onStop();
53
+        mHandler.removeCallbacksAndMessages(null);
54
+    }
55
+
56
+    private void checkUpdateAndSplash() {
57
+        try {
58
+            String curDate = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
59
+            if (!Preferences.getInstance(this).getLastRunDate().equals(curDate) && NetworkUtil.isWifiConnected(this)) {
60
+                Preferences.getInstance(this).setLastRunDate(curDate);
61
+                Intent intent = new Intent(this, UpgradeService.class);
62
+                startService(intent);
63
+            }
64
+        } catch (Exception e) {
65
+            e.printStackTrace();
66
+        }
67
+    }
68
+
69
+
70
+}

+ 2 - 2
app/src/main/java/ai/pai/lensman/upload/UploadActivity.java

@@ -2,7 +2,6 @@ package ai.pai.lensman.upload;
2 2
 
3 3
 import android.content.Intent;
4 4
 import android.os.Bundle;
5
-import android.support.v7.app.AppCompatActivity;
6 5
 import android.support.v7.widget.GridLayoutManager;
7 6
 import android.support.v7.widget.LinearLayoutManager;
8 7
 import android.support.v7.widget.RecyclerView;
@@ -13,12 +12,13 @@ import android.widget.TextView;
13 12
 import java.util.ArrayList;
14 13
 
15 14
 import ai.pai.lensman.R;
15
+import ai.pai.lensman.base.BaseActivity;
16 16
 import ai.pai.lensman.briefs.BriefsActivity;
17 17
 import butterknife.BindView;
18 18
 import butterknife.ButterKnife;
19 19
 import butterknife.OnClick;
20 20
 
21
-public class UploadActivity extends AppCompatActivity implements UploadContract.UploadView{
21
+public class UploadActivity extends BaseActivity implements UploadContract.UploadView{
22 22
 
23 23
     @BindView(R.id.tv_bt_status) TextView btStatusTextView;
24 24
     @BindView(R.id.iv_bt_status) ImageView btStatusImageView;

+ 2 - 0
app/src/main/java/ai/pai/lensman/utils/UrlContainer.java

@@ -9,4 +9,6 @@ public class UrlContainer {
9 9
 
10 10
     public static final String HOME_PHOTO_URL = HOST_URL+"pai2/home";
11 11
 
12
+    public static final String CHECK_UPDATE_URL = HOST_URL+"op/upgrade";
13
+
12 14
 }

+ 11 - 1
app/src/main/res/layout/activity_login.xml

@@ -1,6 +1,16 @@
1 1
 <?xml version="1.0" encoding="utf-8"?>
2 2
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 3
     android:orientation="vertical" android:layout_width="match_parent"
4
-    android:layout_height="match_parent">
4
+    android:layout_height="match_parent"
5
+    android:background="@color/background_white">
5 6
 
7
+    <Button
8
+        android:id="@+id/btn_login"
9
+        android:layout_width="match_parent"
10
+        android:layout_height="50dp"
11
+        android:layout_gravity="center"
12
+        android:gravity="center"
13
+        android:textSize="20sp"
14
+        android:textColor="@color/black"
15
+        android:text="登录"/>
6 16
 </LinearLayout>

+ 15 - 0
app/src/main/res/layout/activity_splash.xml

@@ -0,0 +1,15 @@
1
+<?xml version="1.0" encoding="utf-8"?>
2
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3
+    android:orientation="vertical" android:layout_width="match_parent"
4
+    android:background="@color/white"
5
+    android:layout_height="match_parent">
6
+
7
+    <TextView
8
+        android:layout_width="match_parent"
9
+        android:layout_height="wrap_content"
10
+        android:textSize="40sp"
11
+        android:layout_gravity="center"
12
+        android:gravity="center"
13
+        android:textColor="@color/black"
14
+        android:text="@string/app_name"/>
15
+</LinearLayout>

+ 8 - 0
app/src/main/res/values/strings.xml

@@ -7,6 +7,8 @@
7 7
     <string name="settings">设置</string>
8 8
     <string name="scene">场景</string>
9 9
 
10
+    <string name="network_disconnect">当前无网络连接</string>
11
+
10 12
     <string name="qr_scan_hint">将取景框对准二维码,\n即可自动扫码</string>
11 13
     <string name="qr_scan_album">相册</string>
12 14
     <string name="scan_album_qr">选择二维码图片</string>
@@ -19,4 +21,10 @@
19 21
     <string name="check_permission_when_open_camera_error">相机打开出错,请检查是否已打开应用的相机权限</string>
20 22
 
21 23
     <string name="ok">确定</string>
24
+
25
+    <string name="current_version_is_latest">当前版本已是最新,无需升级</string>
26
+
27
+    <string name="check_version_fail">检查更新失败,请稍后重试</string>
28
+
29
+    <string name="new_version_found">发现新版本,正在更新中</string>
22 30
 </resources>

+ 0 - 1641
views/src/main/java/com/android/views/swipeLayout/SwipeLayout.java

@@ -1,1641 +0,0 @@
1
-package com.android.views.swipeLayout;
2
-
3
-import android.content.Context;
4
-import android.content.res.TypedArray;
5
-import android.graphics.Rect;
6
-import android.support.annotation.Nullable;
7
-import android.support.v4.view.GravityCompat;
8
-import android.support.v4.view.ViewCompat;
9
-import android.support.v4.widget.ViewDragHelper;
10
-import android.util.AttributeSet;
11
-import android.view.GestureDetector;
12
-import android.view.Gravity;
13
-import android.view.HapticFeedbackConstants;
14
-import android.view.MotionEvent;
15
-import android.view.View;
16
-import android.view.ViewConfiguration;
17
-import android.view.ViewGroup;
18
-import android.view.ViewParent;
19
-import android.widget.AbsListView;
20
-import android.widget.AdapterView;
21
-import android.widget.FrameLayout;
22
-
23
-import com.android.views.R;
24
-
25
-import java.lang.reflect.Method;
26
-import java.util.ArrayList;
27
-import java.util.Arrays;
28
-import java.util.HashMap;
29
-import java.util.LinkedHashMap;
30
-import java.util.List;
31
-import java.util.Map;
32
-
33
-public class SwipeLayout extends FrameLayout {
34
-
35
-    private static final int DRAG_LEFT = 1;
36
-    private static final int DRAG_RIGHT = 2;
37
-    private static final int DRAG_TOP = 4;
38
-    private static final int DRAG_BOTTOM = 8;
39
-    private static final DragEdge DefaultDragEdge = DragEdge.Right;
40
-
41
-    private int mTouchSlop;
42
-
43
-    private DragEdge mCurrentDragEdge = DefaultDragEdge;
44
-    private ViewDragHelper mDragHelper;
45
-
46
-    private int mDragDistance = 0;
47
-    private LinkedHashMap<DragEdge, View> mDragEdges = new LinkedHashMap<>();
48
-    private ShowMode mShowMode;
49
-
50
-    private float[] mEdgeSwipesOffset = new float[4];
51
-
52
-    private List<SwipeListener> mSwipeListeners = new ArrayList<>();
53
-    private List<SwipeDenier> mSwipeDeniers = new ArrayList<>();
54
-    private Map<View, ArrayList<OnRevealListener>> mRevealListeners = new HashMap<>();
55
-    private Map<View, Boolean> mShowEntirely = new HashMap<>();
56
-    private Map<View, Rect> mViewBoundCache = new HashMap<>();//save all children's bound, restore in onLayout
57
-
58
-    private DoubleClickListener mDoubleClickListener;
59
-
60
-    private boolean mSwipeEnabled = true;
61
-    private boolean[] mSwipesEnabled = new boolean[]{true, true, true, true};
62
-    private boolean mClickToClose = false;
63
-    private float mWillOpenPercentAfterOpen=0.75f;
64
-    private float mWillOpenPercentAfterClose=0.25f;
65
-
66
-    public enum DragEdge {
67
-        Left,
68
-        Top,
69
-        Right,
70
-        Bottom
71
-    }
72
-
73
-    public enum ShowMode {
74
-        LayDown,
75
-        PullOut
76
-    }
77
-
78
-    public SwipeLayout(Context context) {
79
-        this(context, null);
80
-    }
81
-
82
-    public SwipeLayout(Context context, AttributeSet attrs) {
83
-        this(context, attrs, 0);
84
-    }
85
-
86
-    public SwipeLayout(Context context, AttributeSet attrs, int defStyle) {
87
-        super(context, attrs, defStyle);
88
-        mDragHelper = ViewDragHelper.create(this, mDragHelperCallback);
89
-        mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
90
-
91
-        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SwipeLayout);
92
-        int dragEdgeChoices = a.getInt(R.styleable.SwipeLayout_drag_edge, DRAG_RIGHT);
93
-        mEdgeSwipesOffset[DragEdge.Left.ordinal()] = a.getDimension(R.styleable.SwipeLayout_leftEdgeSwipeOffset, 0);
94
-        mEdgeSwipesOffset[DragEdge.Right.ordinal()] = a.getDimension(R.styleable.SwipeLayout_rightEdgeSwipeOffset, 0);
95
-        mEdgeSwipesOffset[DragEdge.Top.ordinal()] = a.getDimension(R.styleable.SwipeLayout_topEdgeSwipeOffset, 0);
96
-        mEdgeSwipesOffset[DragEdge.Bottom.ordinal()] = a.getDimension(R.styleable.SwipeLayout_bottomEdgeSwipeOffset, 0);
97
-        setClickToClose(a.getBoolean(R.styleable.SwipeLayout_clickToClose, mClickToClose));
98
-
99
-        if ((dragEdgeChoices & DRAG_LEFT) == DRAG_LEFT) {
100
-            mDragEdges.put(DragEdge.Left, null);
101
-        }
102
-        if ((dragEdgeChoices & DRAG_TOP) == DRAG_TOP) {
103
-            mDragEdges.put(DragEdge.Top, null);
104
-        }
105
-        if ((dragEdgeChoices & DRAG_RIGHT) == DRAG_RIGHT) {
106
-            mDragEdges.put(DragEdge.Right, null);
107
-        }
108
-        if ((dragEdgeChoices & DRAG_BOTTOM) == DRAG_BOTTOM) {
109
-            mDragEdges.put(DragEdge.Bottom, null);
110
-        }
111
-        int ordinal = a.getInt(R.styleable.SwipeLayout_show_mode, ShowMode.PullOut.ordinal());
112
-        mShowMode = ShowMode.values()[ordinal];
113
-        a.recycle();
114
-
115
-    }
116
-
117
-    public interface SwipeListener {
118
-        void onStartOpen(SwipeLayout layout);
119
-
120
-        void onOpen(SwipeLayout layout);
121
-
122
-        void onStartClose(SwipeLayout layout);
123
-
124
-        void onClose(SwipeLayout layout);
125
-
126
-        void onUpdate(SwipeLayout layout, int leftOffset, int topOffset);
127
-
128
-        void onHandRelease(SwipeLayout layout, float xvel, float yvel);
129
-    }
130
-
131
-    public void addSwipeListener(SwipeListener l) {
132
-        mSwipeListeners.add(l);
133
-    }
134
-
135
-    public void removeSwipeListener(SwipeListener l) {
136
-        mSwipeListeners.remove(l);
137
-    }
138
-
139
-    public void removeAllSwipeListener() {
140
-        mSwipeListeners.clear();
141
-    }
142
-
143
-    public interface SwipeDenier {
144
-        /*
145
-         * Called in onInterceptTouchEvent Determines if this swipe event should
146
-         * be denied Implement this interface if you are using views with swipe
147
-         * gestures As a child of SwipeLayout
148
-         * 
149
-         * @return true deny false allow
150
-         */
151
-        boolean shouldDenySwipe(MotionEvent ev);
152
-    }
153
-
154
-    public void addSwipeDenier(SwipeDenier denier) {
155
-        mSwipeDeniers.add(denier);
156
-    }
157
-
158
-    public void removeSwipeDenier(SwipeDenier denier) {
159
-        mSwipeDeniers.remove(denier);
160
-    }
161
-
162
-    public void removeAllSwipeDeniers() {
163
-        mSwipeDeniers.clear();
164
-    }
165
-
166
-    public interface OnRevealListener {
167
-        void onReveal(View child, DragEdge edge, float fraction, int distance);
168
-    }
169
-
170
-    /**
171
-     * bind a view with a specific
172
-     */
173
-    public void addRevealListener(int childId, OnRevealListener l) {
174
-        View child = findViewById(childId);
175
-        if (child == null) {
176
-            throw new IllegalArgumentException("Child does not belong to SwipeListener.");
177
-        }
178
-
179
-        if (!mShowEntirely.containsKey(child)) {
180
-            mShowEntirely.put(child, false);
181
-        }
182
-        if (mRevealListeners.get(child) == null)
183
-            mRevealListeners.put(child, new ArrayList<OnRevealListener>());
184
-
185
-        mRevealListeners.get(child).add(l);
186
-    }
187
-
188
-    /**
189
-     * bind multiple views with an
190
-     */
191
-    public void addRevealListener(int[] childIds, OnRevealListener l) {
192
-        for (int i : childIds)
193
-            addRevealListener(i, l);
194
-    }
195
-
196
-    public void removeRevealListener(int childId, OnRevealListener l) {
197
-        View child = findViewById(childId);
198
-
199
-        if (child == null) return;
200
-
201
-        mShowEntirely.remove(child);
202
-        if (mRevealListeners.containsKey(child)) mRevealListeners.get(child).remove(l);
203
-    }
204
-
205
-    public void removeAllRevealListeners(int childId) {
206
-        View child = findViewById(childId);
207
-        if (child != null) {
208
-            mRevealListeners.remove(child);
209
-            mShowEntirely.remove(child);
210
-        }
211
-    }
212
-
213
-    private ViewDragHelper.Callback mDragHelperCallback = new ViewDragHelper.Callback() {
214
-
215
-        @Override
216
-        public int clampViewPositionHorizontal(View child, int left, int dx) {
217
-            if (child == getSurfaceView()) {
218
-                switch (mCurrentDragEdge) {
219
-                    case Top:
220
-                    case Bottom:
221
-                        return getPaddingLeft();
222
-                    case Left:
223
-                        if (left < getPaddingLeft()) return getPaddingLeft();
224
-                        if (left > getPaddingLeft() + mDragDistance)
225
-                            return getPaddingLeft() + mDragDistance;
226
-                        break;
227
-                    case Right:
228
-                        if (left > getPaddingLeft()) return getPaddingLeft();
229
-                        if (left < getPaddingLeft() - mDragDistance)
230
-                            return getPaddingLeft() - mDragDistance;
231
-                        break;
232
-                }
233
-            } else if (getCurrentBottomView() == child) {
234
-
235
-                switch (mCurrentDragEdge) {
236
-                    case Top:
237
-                    case Bottom:
238
-                        return getPaddingLeft();
239
-                    case Left:
240
-                        if (mShowMode == ShowMode.PullOut) {
241
-                            if (left > getPaddingLeft()) return getPaddingLeft();
242
-                        }
243
-                        break;
244
-                    case Right:
245
-                        if (mShowMode == ShowMode.PullOut) {
246
-                            if (left < getMeasuredWidth() - mDragDistance) {
247
-                                return getMeasuredWidth() - mDragDistance;
248
-                            }
249
-                        }
250
-                        break;
251
-                }
252
-            }
253
-            return left;
254
-        }
255
-
256
-        @Override
257
-        public int clampViewPositionVertical(View child, int top, int dy) {
258
-            if (child == getSurfaceView()) {
259
-                switch (mCurrentDragEdge) {
260
-                    case Left:
261
-                    case Right:
262
-                        return getPaddingTop();
263
-                    case Top:
264
-                        if (top < getPaddingTop()) return getPaddingTop();
265
-                        if (top > getPaddingTop() + mDragDistance)
266
-                            return getPaddingTop() + mDragDistance;
267
-                        break;
268
-                    case Bottom:
269
-                        if (top < getPaddingTop() - mDragDistance) {
270
-                            return getPaddingTop() - mDragDistance;
271
-                        }
272
-                        if (top > getPaddingTop()) {
273
-                            return getPaddingTop();
274
-                        }
275
-                }
276
-            } else {
277
-                View surfaceView = getSurfaceView();
278
-                int surfaceViewTop = surfaceView == null ? 0 : surfaceView.getTop();
279
-                switch (mCurrentDragEdge) {
280
-                    case Left:
281
-                    case Right:
282
-                        return getPaddingTop();
283
-                    case Top:
284
-                        if (mShowMode == ShowMode.PullOut) {
285
-                            if (top > getPaddingTop()) return getPaddingTop();
286
-                        } else {
287
-                            if (surfaceViewTop + dy < getPaddingTop())
288
-                                return getPaddingTop();
289
-                            if (surfaceViewTop + dy > getPaddingTop() + mDragDistance)
290
-                                return getPaddingTop() + mDragDistance;
291
-                        }
292
-                        break;
293
-                    case Bottom:
294
-                        if (mShowMode == ShowMode.PullOut) {
295
-                            if (top < getMeasuredHeight() - mDragDistance)
296
-                                return getMeasuredHeight() - mDragDistance;
297
-                        } else {
298
-                            if (surfaceViewTop + dy >= getPaddingTop())
299
-                                return getPaddingTop();
300
-                            if (surfaceViewTop + dy <= getPaddingTop() - mDragDistance)
301
-                                return getPaddingTop() - mDragDistance;
302
-                        }
303
-                }
304
-            }
305
-            return top;
306
-        }
307
-
308
-        @Override
309
-        public boolean tryCaptureView(View child, int pointerId) {
310
-            boolean result = child == getSurfaceView() || getBottomViews().contains(child);
311
-            if (result) {
312
-                isCloseBeforeDrag = getOpenStatus() == Status.Close;
313
-            }
314
-            return result;
315
-        }
316
-
317
-        @Override
318
-        public int getViewHorizontalDragRange(View child) {
319
-            return mDragDistance;
320
-        }
321
-
322
-        @Override
323
-        public int getViewVerticalDragRange(View child) {
324
-            return mDragDistance;
325
-        }
326
-
327
-        boolean isCloseBeforeDrag = true;
328
-
329
-        @Override
330
-        public void onViewReleased(View releasedChild, float xvel, float yvel) {
331
-            super.onViewReleased(releasedChild, xvel, yvel);
332
-            processHandRelease(xvel, yvel, isCloseBeforeDrag);
333
-            for (SwipeListener l : mSwipeListeners) {
334
-                l.onHandRelease(SwipeLayout.this, xvel, yvel);
335
-            }
336
-
337
-            invalidate();
338
-        }
339
-
340
-        @Override
341
-        public void onViewPositionChanged(View changedView, int left, int top, int dx, int dy) {
342
-            View surfaceView = getSurfaceView();
343
-            if (surfaceView == null) return;
344
-            View currentBottomView = getCurrentBottomView();
345
-            int evLeft = surfaceView.getLeft(),
346
-                    evRight = surfaceView.getRight(),
347
-                    evTop = surfaceView.getTop(),
348
-                    evBottom = surfaceView.getBottom();
349
-            if (changedView == surfaceView) {
350
-
351
-                if (mShowMode == ShowMode.PullOut && currentBottomView != null) {
352
-                    if (mCurrentDragEdge == DragEdge.Left || mCurrentDragEdge == DragEdge.Right) {
353
-                        currentBottomView.offsetLeftAndRight(dx);
354
-                    } else {
355
-                        currentBottomView.offsetTopAndBottom(dy);
356
-                    }
357
-                }
358
-
359
-            } else if (getBottomViews().contains(changedView)) {
360
-
361
-                if (mShowMode == ShowMode.PullOut) {
362
-                    surfaceView.offsetLeftAndRight(dx);
363
-                    surfaceView.offsetTopAndBottom(dy);
364
-                } else {
365
-                    Rect rect = computeBottomLayDown(mCurrentDragEdge);
366
-                    if (currentBottomView != null) {
367
-                        currentBottomView.layout(rect.left, rect.top, rect.right, rect.bottom);
368
-                    }
369
-
370
-                    int newLeft = surfaceView.getLeft() + dx, newTop = surfaceView.getTop() + dy;
371
-
372
-                    if (mCurrentDragEdge == DragEdge.Left && newLeft < getPaddingLeft())
373
-                        newLeft = getPaddingLeft();
374
-                    else if (mCurrentDragEdge == DragEdge.Right && newLeft > getPaddingLeft())
375
-                        newLeft = getPaddingLeft();
376
-                    else if (mCurrentDragEdge == DragEdge.Top && newTop < getPaddingTop())
377
-                        newTop = getPaddingTop();
378
-                    else if (mCurrentDragEdge == DragEdge.Bottom && newTop > getPaddingTop())
379
-                        newTop = getPaddingTop();
380
-
381
-                    surfaceView.layout(newLeft, newTop, newLeft + getMeasuredWidth(), newTop + getMeasuredHeight());
382
-                }
383
-            }
384
-
385
-            dispatchRevealEvent(evLeft, evTop, evRight, evBottom);
386
-
387
-            dispatchSwipeEvent(evLeft, evTop, dx, dy);
388
-
389
-            invalidate();
390
-
391
-            captureChildrenBound();
392
-        }
393
-    };
394
-
395
-    /**
396
-     * save children's bounds, so they can restore the bound in {@link #onLayout(boolean, int, int, int, int)}
397
-     */
398
-    private void captureChildrenBound(){
399
-        View currentBottomView = getCurrentBottomView();
400
-        if(getOpenStatus()== Status.Close){
401
-            mViewBoundCache.remove(currentBottomView);
402
-            return;
403
-        }
404
-
405
-        View[] views = new View[]{getSurfaceView(), currentBottomView};
406
-        for (View child : views) {
407
-            Rect rect = mViewBoundCache.get(child);
408
-            if(rect==null){
409
-                rect = new Rect();
410
-                mViewBoundCache.put(child, rect);
411
-            }
412
-            rect.left = child.getLeft();
413
-            rect.top = child.getTop();
414
-            rect.right = child.getRight();
415
-            rect.bottom = child.getBottom();
416
-        }
417
-    }
418
-
419
-    /**
420
-     * the dispatchRevealEvent method may not always get accurate position, it
421
-     * makes the view may not always get the event when the view is totally
422
-     * show( fraction = 1), so , we need to calculate every time.
423
-     */
424
-    protected boolean isViewTotallyFirstShowed(View child, Rect relativePosition, DragEdge edge, int surfaceLeft,
425
-                                               int surfaceTop, int surfaceRight, int surfaceBottom) {
426
-        if (mShowEntirely.get(child)) return false;
427
-        int childLeft = relativePosition.left;
428
-        int childRight = relativePosition.right;
429
-        int childTop = relativePosition.top;
430
-        int childBottom = relativePosition.bottom;
431
-        boolean r = false;
432
-        if (getShowMode() == ShowMode.LayDown) {
433
-            if ((edge == DragEdge.Right && surfaceRight <= childLeft)
434
-                    || (edge == DragEdge.Left && surfaceLeft >= childRight)
435
-                    || (edge == DragEdge.Top && surfaceTop >= childBottom)
436
-                    || (edge == DragEdge.Bottom && surfaceBottom <= childTop)) r = true;
437
-        } else if (getShowMode() == ShowMode.PullOut) {
438
-            if ((edge == DragEdge.Right && childRight <= getWidth())
439
-                    || (edge == DragEdge.Left && childLeft >= getPaddingLeft())
440
-                    || (edge == DragEdge.Top && childTop >= getPaddingTop())
441
-                    || (edge == DragEdge.Bottom && childBottom <= getHeight())) r = true;
442
-        }
443
-        return r;
444
-    }
445
-
446
-    protected boolean isViewShowing(View child, Rect relativePosition, DragEdge availableEdge, int surfaceLeft,
447
-                                    int surfaceTop, int surfaceRight, int surfaceBottom) {
448
-        int childLeft = relativePosition.left;
449
-        int childRight = relativePosition.right;
450
-        int childTop = relativePosition.top;
451
-        int childBottom = relativePosition.bottom;
452
-        if (getShowMode() == ShowMode.LayDown) {
453
-            switch (availableEdge) {
454
-                case Right:
455
-                    if (surfaceRight > childLeft && surfaceRight <= childRight) {
456
-                        return true;
457
-                    }
458
-                    break;
459
-                case Left:
460
-                    if (surfaceLeft < childRight && surfaceLeft >= childLeft) {
461
-                        return true;
462
-                    }
463
-                    break;
464
-                case Top:
465
-                    if (surfaceTop >= childTop && surfaceTop < childBottom) {
466
-                        return true;
467
-                    }
468
-                    break;
469
-                case Bottom:
470
-                    if (surfaceBottom > childTop && surfaceBottom <= childBottom) {
471
-                        return true;
472
-                    }
473
-                    break;
474
-            }
475
-        } else if (getShowMode() == ShowMode.PullOut) {
476
-            switch (availableEdge) {
477
-                case Right:
478
-                    if (childLeft <= getWidth() && childRight > getWidth()) return true;
479
-                    break;
480
-                case Left:
481
-                    if (childRight >= getPaddingLeft() && childLeft < getPaddingLeft()) return true;
482
-                    break;
483
-                case Top:
484
-                    if (childTop < getPaddingTop() && childBottom >= getPaddingTop()) return true;
485
-                    break;
486
-                case Bottom:
487
-                    if (childTop < getHeight() && childTop >= getPaddingTop()) return true;
488
-                    break;
489
-            }
490
-        }
491
-        return false;
492
-    }
493
-
494
-    protected Rect getRelativePosition(View child) {
495
-        View t = child;
496
-        Rect r = new Rect(t.getLeft(), t.getTop(), 0, 0);
497
-        while (t.getParent() != null && t != getRootView()) {
498
-            t = (View) t.getParent();
499
-            if (t == this) break;
500
-            r.left += t.getLeft();
501
-            r.top += t.getTop();
502
-        }
503
-        r.right = r.left + child.getMeasuredWidth();
504
-        r.bottom = r.top + child.getMeasuredHeight();
505
-        return r;
506
-    }
507
-
508
-    private int mEventCounter = 0;
509
-
510
-    protected void dispatchSwipeEvent(int surfaceLeft, int surfaceTop, int dx, int dy) {
511
-        DragEdge edge = getDragEdge();
512
-        boolean open = true;
513
-        if (edge == DragEdge.Left) {
514
-            if (dx < 0) open = false;
515
-        } else if (edge == DragEdge.Right) {
516
-            if (dx > 0) open = false;
517
-        } else if (edge == DragEdge.Top) {
518
-            if (dy < 0) open = false;
519
-        } else if (edge == DragEdge.Bottom) {
520
-            if (dy > 0) open = false;
521
-        }
522
-
523
-        dispatchSwipeEvent(surfaceLeft, surfaceTop, open);
524
-    }
525
-
526
-    protected void dispatchSwipeEvent(int surfaceLeft, int surfaceTop, boolean open) {
527
-        safeBottomView();
528
-        Status status = getOpenStatus();
529
-
530
-        if (!mSwipeListeners.isEmpty()) {
531
-            mEventCounter++;
532
-            for (SwipeListener l : mSwipeListeners) {
533
-                if (mEventCounter == 1) {
534
-                    if (open) {
535
-                        l.onStartOpen(this);
536
-                    } else {
537
-                        l.onStartClose(this);
538
-                    }
539
-                }
540
-                l.onUpdate(SwipeLayout.this, surfaceLeft - getPaddingLeft(), surfaceTop - getPaddingTop());
541
-            }
542
-
543
-            if (status == Status.Close) {
544
-                for (SwipeListener l : mSwipeListeners) {
545
-                    l.onClose(SwipeLayout.this);
546
-                }
547
-                mEventCounter = 0;
548
-            }
549
-
550
-            if (status == Status.Open) {
551
-                View currentBottomView = getCurrentBottomView();
552
-                if (currentBottomView != null) {
553
-                    currentBottomView.setEnabled(true);
554
-                }
555
-                for (SwipeListener l : mSwipeListeners) {
556
-                    l.onOpen(SwipeLayout.this);
557
-                }
558
-                mEventCounter = 0;
559
-            }
560
-        }
561
-    }
562
-
563
-    /**
564
-     * prevent bottom view get any touch event. Especially in LayDown mode.
565
-     */
566
-    private void safeBottomView() {
567
-        Status status = getOpenStatus();
568
-        List<View> bottoms = getBottomViews();
569
-
570
-        if (status == Status.Close) {
571
-            for (View bottom : bottoms) {
572
-                if (bottom != null && bottom.getVisibility() != INVISIBLE) {
573
-                    bottom.setVisibility(INVISIBLE);
574
-                }
575
-            }
576
-        } else {
577
-            View currentBottomView = getCurrentBottomView();
578
-            if (currentBottomView != null && currentBottomView.getVisibility() != VISIBLE) {
579
-                currentBottomView.setVisibility(VISIBLE);
580
-            }
581
-        }
582
-    }
583
-
584
-    protected void dispatchRevealEvent(final int surfaceLeft, final int surfaceTop, final int surfaceRight,
585
-                                       final int surfaceBottom) {
586
-        if (mRevealListeners.isEmpty()) return;
587
-        for (Map.Entry<View, ArrayList<OnRevealListener>> entry : mRevealListeners.entrySet()) {
588
-            View child = entry.getKey();
589
-            Rect rect = getRelativePosition(child);
590
-            if (isViewShowing(child, rect, mCurrentDragEdge, surfaceLeft, surfaceTop,
591
-                    surfaceRight, surfaceBottom)) {
592
-                mShowEntirely.put(child, false);
593
-                int distance = 0;
594
-                float fraction = 0f;
595
-                if (getShowMode() == ShowMode.LayDown) {
596
-                    switch (mCurrentDragEdge) {
597
-                        case Left:
598
-                            distance = rect.left - surfaceLeft;
599
-                            fraction = distance / (float) child.getWidth();
600
-                            break;
601
-                        case Right:
602
-                            distance = rect.right - surfaceRight;
603
-                            fraction = distance / (float) child.getWidth();
604
-                            break;
605
-                        case Top:
606
-                            distance = rect.top - surfaceTop;
607
-                            fraction = distance / (float) child.getHeight();
608
-                            break;
609
-                        case Bottom:
610
-                            distance = rect.bottom - surfaceBottom;
611
-                            fraction = distance / (float) child.getHeight();
612
-                            break;
613
-                    }
614
-                } else if (getShowMode() == ShowMode.PullOut) {
615
-                    switch (mCurrentDragEdge) {
616
-                        case Left:
617
-                            distance = rect.right - getPaddingLeft();
618
-                            fraction = distance / (float) child.getWidth();
619
-                            break;
620
-                        case Right:
621
-                            distance = rect.left - getWidth();
622
-                            fraction = distance / (float) child.getWidth();
623
-                            break;
624
-                        case Top:
625
-                            distance = rect.bottom - getPaddingTop();
626
-                            fraction = distance / (float) child.getHeight();
627
-                            break;
628
-                        case Bottom:
629
-                            distance = rect.top - getHeight();
630
-                            fraction = distance / (float) child.getHeight();
631
-                            break;
632
-                    }
633
-                }
634
-
635
-                for (OnRevealListener l : entry.getValue()) {
636
-                    l.onReveal(child, mCurrentDragEdge, Math.abs(fraction), distance);
637
-                    if (Math.abs(fraction) == 1) {
638
-                        mShowEntirely.put(child, true);
639
-                    }
640
-                }
641
-            }
642
-
643
-            if (isViewTotallyFirstShowed(child, rect, mCurrentDragEdge, surfaceLeft, surfaceTop,
644
-                    surfaceRight, surfaceBottom)) {
645
-                mShowEntirely.put(child, true);
646
-                for (OnRevealListener l : entry.getValue()) {
647
-                    if (mCurrentDragEdge == DragEdge.Left
648
-                            || mCurrentDragEdge == DragEdge.Right)
649
-                        l.onReveal(child, mCurrentDragEdge, 1, child.getWidth());
650
-                    else
651
-                        l.onReveal(child, mCurrentDragEdge, 1, child.getHeight());
652
-                }
653
-            }
654
-
655
-        }
656
-    }
657
-
658
-    @Override
659
-    public void computeScroll() {
660
-        super.computeScroll();
661
-        if (mDragHelper.continueSettling(true)) {
662
-            ViewCompat.postInvalidateOnAnimation(this);
663
-        }
664
-    }
665
-
666
-    /**
667
-     * {@link OnLayoutChangeListener} added in API 11. I need
668
-     * to support it from API 8.
669
-     */
670
-    public interface OnLayout {
671
-        void onLayout(SwipeLayout v);
672
-    }
673
-
674
-    private List<OnLayout> mOnLayoutListeners;
675
-
676
-    public void addOnLayoutListener(OnLayout l) {
677
-        if (mOnLayoutListeners == null) mOnLayoutListeners = new ArrayList<OnLayout>();
678
-        mOnLayoutListeners.add(l);
679
-    }
680
-
681
-    public void removeOnLayoutListener(OnLayout l) {
682
-        if (mOnLayoutListeners != null) mOnLayoutListeners.remove(l);
683
-    }
684
-
685
-    public void clearDragEdge() {
686
-        mDragEdges.clear();
687
-    }
688
-
689
-    public void setDrag(DragEdge dragEdge, int childId) {
690
-        clearDragEdge();
691
-        addDrag(dragEdge, childId);
692
-    }
693
-
694
-    public void setDrag(DragEdge dragEdge, View child) {
695
-        clearDragEdge();
696
-        addDrag(dragEdge, child);
697
-    }
698
-
699
-    public void addDrag(DragEdge dragEdge, int childId) {
700
-        addDrag(dragEdge, findViewById(childId), null);
701
-    }
702
-
703
-    public void addDrag(DragEdge dragEdge, View child) {
704
-        addDrag(dragEdge, child, null);
705
-    }
706
-
707
-    public void addDrag(DragEdge dragEdge, View child, ViewGroup.LayoutParams params) {
708
-        if (child == null) return;
709
-
710
-        if (params == null) {
711
-            params = generateDefaultLayoutParams();
712
-        }
713
-        if (!checkLayoutParams(params)) {
714
-            params = generateLayoutParams(params);
715
-        }
716
-        int gravity = -1;
717
-        switch (dragEdge) {
718
-            case Left:
719
-                gravity = Gravity.LEFT;
720
-                break;
721
-            case Right:
722
-                gravity = Gravity.RIGHT;
723
-                break;
724
-            case Top:
725
-                gravity = Gravity.TOP;
726
-                break;
727
-            case Bottom:
728
-                gravity = Gravity.BOTTOM;
729
-                break;
730
-        }
731
-        if (params instanceof LayoutParams) {
732
-            ((LayoutParams) params).gravity = gravity;
733
-        }
734
-        addView(child, 0, params);
735
-    }
736
-
737
-    @Override
738
-    public void addView(View child, int index, ViewGroup.LayoutParams params) {
739
-        if (child == null) return;
740
-        int gravity = Gravity.NO_GRAVITY;
741
-        try {
742
-            gravity = (Integer) params.getClass().getField("gravity").get(params);
743
-        } catch (Exception e) {
744
-            e.printStackTrace();
745
-        }
746
-
747
-        if (gravity > 0) {
748
-            gravity = GravityCompat.getAbsoluteGravity(gravity, ViewCompat.getLayoutDirection(this));
749
-
750
-            if ((gravity & Gravity.LEFT) == Gravity.LEFT) {
751
-                mDragEdges.put(DragEdge.Left, child);
752
-            }
753
-            if ((gravity & Gravity.RIGHT) == Gravity.RIGHT) {
754
-                mDragEdges.put(DragEdge.Right, child);
755
-            }
756
-            if ((gravity & Gravity.TOP) == Gravity.TOP) {
757
-                mDragEdges.put(DragEdge.Top, child);
758
-            }
759
-            if ((gravity & Gravity.BOTTOM) == Gravity.BOTTOM) {
760
-                mDragEdges.put(DragEdge.Bottom, child);
761
-            }
762
-        } else {
763
-            for (Map.Entry<DragEdge, View> entry : mDragEdges.entrySet()) {
764
-                if (entry.getValue() == null) {
765
-                    //means used the drag_edge attr, the no gravity child should be use set
766
-                    mDragEdges.put(entry.getKey(), child);
767
-                    break;
768
-                }
769
-            }
770
-        }
771
-        if (child.getParent() == this) {
772
-            return;
773
-        }
774
-        super.addView(child, index, params);
775
-    }
776
-
777
-    @Override
778
-    protected void onLayout(boolean changed, int l, int t, int r, int b) {
779
-        updateBottomViews();
780
-
781
-        if (mOnLayoutListeners != null) for (int i = 0; i < mOnLayoutListeners.size(); i++) {
782
-            mOnLayoutListeners.get(i).onLayout(this);
783
-        }
784
-    }
785
-
786
-    void layoutPullOut() {
787
-        View surfaceView = getSurfaceView();
788
-        Rect surfaceRect = mViewBoundCache.get(surfaceView);
789
-        if(surfaceRect == null) surfaceRect = computeSurfaceLayoutArea(false);
790
-        if (surfaceView != null) {
791
-            surfaceView.layout(surfaceRect.left, surfaceRect.top, surfaceRect.right, surfaceRect.bottom);
792
-            bringChildToFront(surfaceView);
793
-        }
794
-        View currentBottomView = getCurrentBottomView();
795
-        Rect bottomViewRect = mViewBoundCache.get(currentBottomView);
796
-        if(bottomViewRect == null) bottomViewRect = computeBottomLayoutAreaViaSurface(ShowMode.PullOut, surfaceRect);
797
-        if (currentBottomView != null) {
798
-            currentBottomView.layout(bottomViewRect.left, bottomViewRect.top, bottomViewRect.right, bottomViewRect.bottom);
799
-        }
800
-    }
801
-
802
-    void layoutLayDown() {
803
-        View surfaceView = getSurfaceView();
804
-        Rect surfaceRect = mViewBoundCache.get(surfaceView);
805
-        if(surfaceRect == null) surfaceRect = computeSurfaceLayoutArea(false);
806
-        if (surfaceView != null) {
807
-            surfaceView.layout(surfaceRect.left, surfaceRect.top, surfaceRect.right, surfaceRect.bottom);
808
-            bringChildToFront(surfaceView);
809
-        }
810
-        View currentBottomView = getCurrentBottomView();
811
-        Rect bottomViewRect = mViewBoundCache.get(currentBottomView);
812
-        if(bottomViewRect == null) bottomViewRect = computeBottomLayoutAreaViaSurface(ShowMode.LayDown, surfaceRect);
813
-        if (currentBottomView != null) {
814
-            currentBottomView.layout(bottomViewRect.left, bottomViewRect.top, bottomViewRect.right, bottomViewRect.bottom);
815
-        }
816
-    }
817
-
818
-    private boolean mIsBeingDragged;
819
-
820
-    private void checkCanDrag(MotionEvent ev) {
821
-        if (mIsBeingDragged) return;
822
-        if (getOpenStatus() == Status.Middle) {
823
-            mIsBeingDragged = true;
824
-            return;
825
-        }
826
-        Status status = getOpenStatus();
827
-        float distanceX = ev.getRawX() - sX;
828
-        float distanceY = ev.getRawY() - sY;
829
-        float angle = Math.abs(distanceY / distanceX);
830
-        angle = (float) Math.toDegrees(Math.atan(angle));
831
-        if (getOpenStatus() == Status.Close) {
832
-            DragEdge dragEdge;
833
-            if (angle < 45) {
834
-                if (distanceX > 0 && isLeftSwipeEnabled()) {
835
-                    dragEdge = DragEdge.Left;
836
-                } else if (distanceX < 0 && isRightSwipeEnabled()) {
837
-                    dragEdge = DragEdge.Right;
838
-                } else return;
839
-
840
-            } else {
841
-                if (distanceY > 0 && isTopSwipeEnabled()) {
842
-                    dragEdge = DragEdge.Top;
843
-                } else if (distanceY < 0 && isBottomSwipeEnabled()) {
844
-                    dragEdge = DragEdge.Bottom;
845
-                } else return;
846
-            }
847
-            setCurrentDragEdge(dragEdge);
848
-        }
849
-
850
-        boolean doNothing = false;
851
-        if (mCurrentDragEdge == DragEdge.Right) {
852
-            boolean suitable = (status == Status.Open && distanceX > mTouchSlop)
853
-                    || (status == Status.Close && distanceX < -mTouchSlop);
854
-            suitable = suitable || (status == Status.Middle);
855
-
856
-            if (angle > 30 || !suitable) {
857
-                doNothing = true;
858
-            }
859
-        }
860
-
861
-        if (mCurrentDragEdge == DragEdge.Left) {
862
-            boolean suitable = (status == Status.Open && distanceX < -mTouchSlop)
863
-                    || (status == Status.Close && distanceX > mTouchSlop);
864
-            suitable = suitable || status == Status.Middle;
865
-
866
-            if (angle > 30 || !suitable) {
867
-                doNothing = true;
868
-            }
869
-        }
870
-
871
-        if (mCurrentDragEdge == DragEdge.Top) {
872
-            boolean suitable = (status == Status.Open && distanceY < -mTouchSlop)
873
-                    || (status == Status.Close && distanceY > mTouchSlop);
874
-            suitable = suitable || status == Status.Middle;
875
-
876
-            if (angle < 60 || !suitable) {
877
-                doNothing = true;
878
-            }
879
-        }
880
-
881
-        if (mCurrentDragEdge == DragEdge.Bottom) {
882
-            boolean suitable = (status == Status.Open && distanceY > mTouchSlop)
883
-                    || (status == Status.Close && distanceY < -mTouchSlop);
884
-            suitable = suitable || status == Status.Middle;
885
-
886
-            if (angle < 60 || !suitable) {
887
-                doNothing = true;
888
-            }
889
-        }
890
-        mIsBeingDragged = !doNothing;
891
-    }
892
-
893
-    @Override
894
-    public boolean onInterceptTouchEvent(MotionEvent ev) {
895
-        if (!isSwipeEnabled()) {
896
-            return false;
897
-        }
898
-        if (mClickToClose && getOpenStatus() == Status.Open && isTouchOnSurface(ev)) {
899
-            return true;
900
-        }
901
-        for (SwipeDenier denier : mSwipeDeniers) {
902
-            if (denier != null && denier.shouldDenySwipe(ev)) {
903
-                return false;
904
-            }
905
-        }
906
-
907
-        switch (ev.getAction()) {
908
-            case MotionEvent.ACTION_DOWN:
909
-                mDragHelper.processTouchEvent(ev);
910
-                mIsBeingDragged = false;
911
-                sX = ev.getRawX();
912
-                sY = ev.getRawY();
913
-                //if the swipe is in middle state(scrolling), should intercept the touch
914
-                if (getOpenStatus() == Status.Middle) {
915
-                    mIsBeingDragged = true;
916
-                }
917
-                break;
918
-            case MotionEvent.ACTION_MOVE:
919
-                boolean beforeCheck = mIsBeingDragged;
920
-                checkCanDrag(ev);
921
-                if (mIsBeingDragged) {
922
-                    ViewParent parent = getParent();
923
-                    if (parent != null) {
924
-                        parent.requestDisallowInterceptTouchEvent(true);
925
-                    }
926
-                }
927
-                if (!beforeCheck && mIsBeingDragged) {
928
-                    //let children has one chance to catch the touch, and request the swipe not intercept
929
-                    //useful when swipeLayout wrap a swipeLayout or other gestural layout
930
-                    return false;
931
-                }
932
-                break;
933
-
934
-            case MotionEvent.ACTION_CANCEL:
935
-            case MotionEvent.ACTION_UP:
936
-                mIsBeingDragged = false;
937
-                mDragHelper.processTouchEvent(ev);
938
-                break;
939
-            default://handle other action, such as ACTION_POINTER_DOWN/UP
940
-                mDragHelper.processTouchEvent(ev);
941
-        }
942
-        return mIsBeingDragged;
943
-    }
944
-
945
-    private float sX = -1, sY = -1;
946
-
947
-    @Override
948
-    public boolean onTouchEvent(MotionEvent event) {
949
-        if (!isSwipeEnabled()) return super.onTouchEvent(event);
950
-
951
-        int action = event.getActionMasked();
952
-        gestureDetector.onTouchEvent(event);
953
-
954
-        switch (action) {
955
-            case MotionEvent.ACTION_DOWN:
956
-                mDragHelper.processTouchEvent(event);
957
-                sX = event.getRawX();
958
-                sY = event.getRawY();
959
-
960
-
961
-            case MotionEvent.ACTION_MOVE: {
962
-                //the drag state and the direction are already judged at onInterceptTouchEvent
963
-                checkCanDrag(event);
964
-                if (mIsBeingDragged) {
965
-                    getParent().requestDisallowInterceptTouchEvent(true);
966
-                    mDragHelper.processTouchEvent(event);
967
-                }
968
-                break;
969
-            }
970
-            case MotionEvent.ACTION_UP:
971
-            case MotionEvent.ACTION_CANCEL:
972
-                mIsBeingDragged = false;
973
-                mDragHelper.processTouchEvent(event);
974
-                break;
975
-
976
-            default://handle other action, such as ACTION_POINTER_DOWN/UP
977
-                mDragHelper.processTouchEvent(event);
978
-        }
979
-
980
-        return super.onTouchEvent(event) || mIsBeingDragged || action == MotionEvent.ACTION_DOWN;
981
-    }
982
-
983
-    public boolean isClickToClose() {
984
-        return mClickToClose;
985
-    }
986
-
987
-    public void setClickToClose(boolean mClickToClose) {
988
-        this.mClickToClose = mClickToClose;
989
-    }
990
-
991
-    public void setSwipeEnabled(boolean enabled) {
992
-        mSwipeEnabled = enabled;
993
-    }
994
-
995
-    public boolean isSwipeEnabled() {
996
-        return mSwipeEnabled;
997
-    }
998
-
999
-    public boolean isLeftSwipeEnabled() {
1000
-        View bottomView = mDragEdges.get(DragEdge.Left);
1001
-        return bottomView != null && bottomView.getParent() == this
1002
-                && bottomView != getSurfaceView() && mSwipesEnabled[DragEdge.Left.ordinal()];
1003
-    }
1004
-
1005
-    public void setLeftSwipeEnabled(boolean leftSwipeEnabled) {
1006
-        this.mSwipesEnabled[DragEdge.Left.ordinal()] = leftSwipeEnabled;
1007
-    }
1008
-
1009
-    public boolean isRightSwipeEnabled() {
1010
-        View bottomView = mDragEdges.get(DragEdge.Right);
1011
-        return bottomView != null && bottomView.getParent() == this
1012
-                && bottomView != getSurfaceView() && mSwipesEnabled[DragEdge.Right.ordinal()];
1013
-    }
1014
-
1015
-    public void setRightSwipeEnabled(boolean rightSwipeEnabled) {
1016
-        this.mSwipesEnabled[DragEdge.Right.ordinal()] = rightSwipeEnabled;
1017
-    }
1018
-
1019
-    public boolean isTopSwipeEnabled() {
1020
-        View bottomView = mDragEdges.get(DragEdge.Top);
1021
-        return bottomView != null && bottomView.getParent() == this
1022
-                && bottomView != getSurfaceView() && mSwipesEnabled[DragEdge.Top.ordinal()];
1023
-    }
1024
-
1025
-    public void setTopSwipeEnabled(boolean topSwipeEnabled) {
1026
-        this.mSwipesEnabled[DragEdge.Top.ordinal()] = topSwipeEnabled;
1027
-    }
1028
-
1029
-    public boolean isBottomSwipeEnabled() {
1030
-        View bottomView = mDragEdges.get(DragEdge.Bottom);
1031
-        return bottomView != null && bottomView.getParent() == this
1032
-                && bottomView != getSurfaceView() && mSwipesEnabled[DragEdge.Bottom.ordinal()];
1033
-    }
1034
-
1035
-    public void setBottomSwipeEnabled(boolean bottomSwipeEnabled) {
1036
-        this.mSwipesEnabled[DragEdge.Bottom.ordinal()] = bottomSwipeEnabled;
1037
-    }
1038
-    /***
1039
-     * Returns the percentage of revealing at which the view below should the view finish opening
1040
-     * if it was already open before dragging
1041
-     * @returns  The percentage of view revealed to trigger, default value is 0.25
1042
-     */
1043
-    public float getWillOpenPercentAfterOpen() {
1044
-        return mWillOpenPercentAfterOpen;
1045
-    }
1046
-
1047
-    /***
1048
-     * Allows to stablish at what percentage of revealing the view below should the view finish opening
1049
-     * if it was already open before dragging
1050
-     * @param willOpenPercentAfterOpen The percentage of view revealed to trigger, default value is 0.25
1051
-     */
1052
-    public void setWillOpenPercentAfterOpen(float willOpenPercentAfterOpen) {
1053
-        this.mWillOpenPercentAfterOpen = willOpenPercentAfterOpen;
1054
-    }
1055
-    /***
1056
-     * Returns the percentage of revealing at which the view below should the view finish opening
1057
-     * if it was already closed before dragging
1058
-     * @returns  The percentage of view revealed to trigger, default value is 0.25
1059
-     */
1060
-    public float getWillOpenPercentAfterClose() {
1061
-        return mWillOpenPercentAfterClose;
1062
-    }
1063
-    /***
1064
-     * Allows to stablish at what percentage of revealing the view below should the view finish opening
1065
-     * if it was already closed before dragging
1066
-     * @param willOpenPercentAfterClose The percentage of view revealed to trigger, default value is 0.75
1067
-     */
1068
-    public void setWillOpenPercentAfterClose(float willOpenPercentAfterClose) {
1069
-        this.mWillOpenPercentAfterClose = willOpenPercentAfterClose;
1070
-    }
1071
-
1072
-    private boolean insideAdapterView() {
1073
-        return getAdapterView() != null;
1074
-    }
1075
-
1076
-    private AdapterView getAdapterView() {
1077
-        ViewParent t = getParent();
1078
-        if (t instanceof AdapterView) {
1079
-            return (AdapterView) t;
1080
-        }
1081
-        return null;
1082
-    }
1083
-
1084
-    private void performAdapterViewItemClick() {
1085
-        if (getOpenStatus() != Status.Close) return;
1086
-        ViewParent t = getParent();
1087
-        if (t instanceof AdapterView) {
1088
-            AdapterView view = (AdapterView) t;
1089
-            int p = view.getPositionForView(SwipeLayout.this);
1090
-            if (p != AdapterView.INVALID_POSITION) {
1091
-                view.performItemClick(view.getChildAt(p - view.getFirstVisiblePosition()), p, view
1092
-                        .getAdapter().getItemId(p));
1093
-            }
1094
-        }
1095
-    }
1096
-
1097
-    private boolean performAdapterViewItemLongClick() {
1098
-        if (getOpenStatus() != Status.Close) return false;
1099
-        ViewParent t = getParent();
1100
-        if (t instanceof AdapterView) {
1101
-            AdapterView view = (AdapterView) t;
1102
-            int p = view.getPositionForView(SwipeLayout.this);
1103
-            if (p == AdapterView.INVALID_POSITION) return false;
1104
-            long vId = view.getItemIdAtPosition(p);
1105
-            boolean handled = false;
1106
-            try {
1107
-                Method m = AbsListView.class.getDeclaredMethod("performLongPress", View.class, int.class, long.class);
1108
-                m.setAccessible(true);
1109
-                handled = (boolean) m.invoke(view, SwipeLayout.this, p, vId);
1110
-
1111
-            } catch (Exception e) {
1112
-                e.printStackTrace();
1113
-
1114
-                if (view.getOnItemLongClickListener() != null) {
1115
-                    handled = view.getOnItemLongClickListener().onItemLongClick(view, SwipeLayout.this, p, vId);
1116
-                }
1117
-                if (handled) {
1118
-                    view.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
1119
-                }
1120
-            }
1121
-            return handled;
1122
-        }
1123
-        return false;
1124
-    }
1125
-
1126
-    @Override
1127
-    protected void onAttachedToWindow() {
1128
-        super.onAttachedToWindow();
1129
-        if (insideAdapterView()) {
1130
-            if (clickListener == null) {
1131
-                setOnClickListener(new OnClickListener() {
1132
-                    @Override
1133
-                    public void onClick(View v) {
1134
-                        performAdapterViewItemClick();
1135
-                    }
1136
-                });
1137
-            }
1138
-            if (longClickListener == null) {
1139
-                setOnLongClickListener(new OnLongClickListener() {
1140
-                    @Override
1141
-                    public boolean onLongClick(View v) {
1142
-                        performAdapterViewItemLongClick();
1143
-                        return true;
1144
-                    }
1145
-                });
1146
-            }
1147
-        }
1148
-    }
1149
-
1150
-    OnClickListener clickListener;
1151
-
1152
-    @Override
1153
-    public void setOnClickListener(OnClickListener l) {
1154
-        super.setOnClickListener(l);
1155
-        clickListener = l;
1156
-    }
1157
-
1158
-    OnLongClickListener longClickListener;
1159
-
1160
-    @Override
1161
-    public void setOnLongClickListener(OnLongClickListener l) {
1162
-        super.setOnLongClickListener(l);
1163
-        longClickListener = l;
1164
-    }
1165
-
1166
-    private Rect hitSurfaceRect;
1167
-
1168
-    private boolean isTouchOnSurface(MotionEvent ev) {
1169
-        View surfaceView = getSurfaceView();
1170
-        if (surfaceView == null) {
1171
-            return false;
1172
-        }
1173
-        if (hitSurfaceRect == null) {
1174
-            hitSurfaceRect = new Rect();
1175
-        }
1176
-        surfaceView.getHitRect(hitSurfaceRect);
1177
-        return hitSurfaceRect.contains((int) ev.getX(), (int) ev.getY());
1178
-    }
1179
-
1180
-    private GestureDetector gestureDetector = new GestureDetector(getContext(), new SwipeDetector());
1181
-
1182
-    class SwipeDetector extends GestureDetector.SimpleOnGestureListener {
1183
-        @Override
1184
-        public boolean onSingleTapUp(MotionEvent e) {
1185
-            if (mClickToClose && isTouchOnSurface(e)) {
1186
-                close();
1187
-            }
1188
-            return super.onSingleTapUp(e);
1189
-        }
1190
-
1191
-        @Override
1192
-        public boolean onDoubleTap(MotionEvent e) {
1193
-            if (mDoubleClickListener != null) {
1194
-                View target;
1195
-                View bottom = getCurrentBottomView();
1196
-                View surface = getSurfaceView();
1197
-                if (bottom != null && e.getX() > bottom.getLeft() && e.getX() < bottom.getRight()
1198
-                        && e.getY() > bottom.getTop() && e.getY() < bottom.getBottom()) {
1199
-                    target = bottom;
1200
-                } else {
1201
-                    target = surface;
1202
-                }
1203
-                mDoubleClickListener.onDoubleClick(SwipeLayout.this, target == surface);
1204
-            }
1205
-            return true;
1206
-        }
1207
-    }
1208
-
1209
-    /**
1210
-     * set the drag distance, it will force set the bottom view's width or
1211
-     * height via this value.
1212
-     *
1213
-     * @param max max distance in dp unit
1214
-     */
1215
-    public void setDragDistance(int max) {
1216
-        if (max < 0) max = 0;
1217
-        mDragDistance = dp2px(max);
1218
-        requestLayout();
1219
-    }
1220
-
1221
-    /**
1222
-     * There are 2 diffirent show mode.
1223
-     *
1224
-     * @param mode
1225
-     */
1226
-    public void setShowMode(ShowMode mode) {
1227
-        mShowMode = mode;
1228
-        requestLayout();
1229
-    }
1230
-
1231
-    public DragEdge getDragEdge() {
1232
-        return mCurrentDragEdge;
1233
-    }
1234
-
1235
-    public int getDragDistance() {
1236
-        return mDragDistance;
1237
-    }
1238
-
1239
-    public ShowMode getShowMode() {
1240
-        return mShowMode;
1241
-    }
1242
-
1243
-    /**
1244
-     * return null if there is no surface view(no children)
1245
-     */
1246
-    public View getSurfaceView() {
1247
-        if (getChildCount() == 0) return null;
1248
-        return getChildAt(getChildCount() - 1);
1249
-    }
1250
-
1251
-    /**
1252
-     * return null if there is no bottom view
1253
-     */
1254
-    @Nullable
1255
-    public View getCurrentBottomView() {
1256
-        List<View> bottoms = getBottomViews();
1257
-        if (mCurrentDragEdge.ordinal() < bottoms.size()) {
1258
-            return bottoms.get(mCurrentDragEdge.ordinal());
1259
-        }
1260
-        return null;
1261
-    }
1262
-
1263
-    /**
1264
-     * @return all bottomViews: left, top, right, bottom (may null if the edge is not set)
1265
-     */
1266
-    public List<View> getBottomViews() {
1267
-        ArrayList<View> bottoms = new ArrayList<View>();
1268
-        for (DragEdge dragEdge : DragEdge.values()) {
1269
-            bottoms.add(mDragEdges.get(dragEdge));
1270
-        }
1271
-        return bottoms;
1272
-    }
1273
-
1274
-    public enum Status {
1275
-        Middle,
1276
-        Open,
1277
-        Close
1278
-    }
1279
-
1280
-    /**
1281
-     * get the open status.
1282
-     *
1283
-     */
1284
-    public Status getOpenStatus() {
1285
-        View surfaceView = getSurfaceView();
1286
-        if (surfaceView == null) {
1287
-            return Status.Close;
1288
-        }
1289
-        int surfaceLeft = surfaceView.getLeft();
1290
-        int surfaceTop = surfaceView.getTop();
1291
-        if (surfaceLeft == getPaddingLeft() && surfaceTop == getPaddingTop()) return Status.Close;
1292
-
1293
-        if (surfaceLeft == (getPaddingLeft() - mDragDistance) || surfaceLeft == (getPaddingLeft() + mDragDistance)
1294
-                || surfaceTop == (getPaddingTop() - mDragDistance) || surfaceTop == (getPaddingTop() + mDragDistance))
1295
-            return Status.Open;
1296
-
1297
-        return Status.Middle;
1298
-    }
1299
-
1300
-
1301
-    /**
1302
-     * Process the surface release event.
1303
-     *
1304
-     * @param xvel                 xVelocity
1305
-     * @param yvel                 yVelocity
1306
-     * @param isCloseBeforeDragged the open state before drag
1307
-     */
1308
-    protected void processHandRelease(float xvel, float yvel, boolean isCloseBeforeDragged) {
1309
-        float minVelocity = mDragHelper.getMinVelocity();
1310
-        View surfaceView = getSurfaceView();
1311
-        DragEdge currentDragEdge = mCurrentDragEdge;
1312
-        if (currentDragEdge == null || surfaceView == null) {
1313
-            return;
1314
-        }
1315
-        float willOpenPercent = (isCloseBeforeDragged ? mWillOpenPercentAfterClose : mWillOpenPercentAfterOpen);
1316
-        if (currentDragEdge == DragEdge.Left) {
1317
-            if (xvel > minVelocity) open();
1318
-            else if (xvel < -minVelocity) close();
1319
-            else {
1320
-                float openPercent = 1f * getSurfaceView().getLeft() / mDragDistance;
1321
-                if (openPercent > willOpenPercent) open();
1322
-                else close();
1323
-            }
1324
-        } else if (currentDragEdge == DragEdge.Right) {
1325
-            if (xvel > minVelocity) close();
1326
-            else if (xvel < -minVelocity) open();
1327
-            else {
1328
-                float openPercent = 1f * (-getSurfaceView().getLeft()) / mDragDistance;
1329
-                if (openPercent > willOpenPercent) open();
1330
-                else close();
1331
-            }
1332
-        } else if (currentDragEdge == DragEdge.Top) {
1333
-            if (yvel > minVelocity) open();
1334
-            else if (yvel < -minVelocity) close();
1335
-            else {
1336
-                float openPercent = 1f * getSurfaceView().getTop() / mDragDistance;
1337
-                if (openPercent > willOpenPercent) open();
1338
-                else close();
1339
-            }
1340
-        } else if (currentDragEdge == DragEdge.Bottom) {
1341
-            if (yvel > minVelocity) close();
1342
-            else if (yvel < -minVelocity) open();
1343
-            else {
1344
-                float openPercent = 1f * (-getSurfaceView().getTop()) / mDragDistance;
1345
-                if (openPercent > willOpenPercent) open();
1346
-                else close();
1347
-            }
1348
-        }
1349
-    }
1350
-
1351
-    /**
1352
-     * smoothly open surface.
1353
-     */
1354
-    public void open() {
1355
-        open(true, true);
1356
-    }
1357
-
1358
-    public void open(boolean smooth) {
1359
-        open(smooth, true);
1360
-    }
1361
-
1362
-    public void open(boolean smooth, boolean notify) {
1363
-        View surface = getSurfaceView(), bottom = getCurrentBottomView();
1364
-        if (surface == null) {
1365
-            return;
1366
-        }
1367
-        int dx, dy;
1368
-        Rect rect = computeSurfaceLayoutArea(true);
1369
-        if (smooth) {
1370
-            mDragHelper.smoothSlideViewTo(surface, rect.left, rect.top);
1371
-        } else {
1372
-            dx = rect.left - surface.getLeft();
1373
-            dy = rect.top - surface.getTop();
1374
-            surface.layout(rect.left, rect.top, rect.right, rect.bottom);
1375
-            if (getShowMode() == ShowMode.PullOut) {
1376
-                Rect bRect = computeBottomLayoutAreaViaSurface(ShowMode.PullOut, rect);
1377
-                if (bottom != null) {
1378
-                    bottom.layout(bRect.left, bRect.top, bRect.right, bRect.bottom);
1379
-                }
1380
-            }
1381
-            if (notify) {
1382
-                dispatchRevealEvent(rect.left, rect.top, rect.right, rect.bottom);
1383
-                dispatchSwipeEvent(rect.left, rect.top, dx, dy);
1384
-            } else {
1385
-                safeBottomView();
1386
-            }
1387
-        }
1388
-        invalidate();
1389
-    }
1390
-
1391
-    public void open(DragEdge edge) {
1392
-        setCurrentDragEdge(edge);
1393
-        open(true, true);
1394
-    }
1395
-
1396
-    public void open(boolean smooth, DragEdge edge) {
1397
-        setCurrentDragEdge(edge);
1398
-        open(smooth, true);
1399
-    }
1400
-
1401
-    public void open(boolean smooth, boolean notify, DragEdge edge) {
1402
-        setCurrentDragEdge(edge);
1403
-        open(smooth, notify);
1404
-    }
1405
-
1406
-    /**
1407
-     * smoothly close surface.
1408
-     */
1409
-    public void close() {
1410
-        close(true, true);
1411
-    }
1412
-
1413
-    public void close(boolean smooth) {
1414
-        close(smooth, true);
1415
-    }
1416
-
1417
-    /**
1418
-     * close surface
1419
-     *
1420
-     * @param smooth smoothly or not.
1421
-     * @param notify if notify all the listeners.
1422
-     */
1423
-    public void close(boolean smooth, boolean notify) {
1424
-        View surface = getSurfaceView();
1425
-        if (surface == null) {
1426
-            return;
1427
-        }
1428
-        int dx, dy;
1429
-        if (smooth)
1430
-            mDragHelper.smoothSlideViewTo(getSurfaceView(), getPaddingLeft(), getPaddingTop());
1431
-        else {
1432
-            Rect rect = computeSurfaceLayoutArea(false);
1433
-            dx = rect.left - surface.getLeft();
1434
-            dy = rect.top - surface.getTop();
1435
-            surface.layout(rect.left, rect.top, rect.right, rect.bottom);
1436
-            if (notify) {
1437
-                dispatchRevealEvent(rect.left, rect.top, rect.right, rect.bottom);
1438
-                dispatchSwipeEvent(rect.left, rect.top, dx, dy);
1439
-            } else {
1440
-                safeBottomView();
1441
-            }
1442
-        }
1443
-        invalidate();
1444
-    }
1445
-
1446
-    public void toggle() {
1447
-        toggle(true);
1448
-    }
1449
-
1450
-    public void toggle(boolean smooth) {
1451
-        if (getOpenStatus() == Status.Open)
1452
-            close(smooth);
1453
-        else if (getOpenStatus() == Status.Close) open(smooth);
1454
-    }
1455
-
1456
-
1457
-    /**
1458
-     * a helper function to compute the Rect area that surface will hold in.
1459
-     *
1460
-     * @param open open status or close status.
1461
-     */
1462
-    private Rect computeSurfaceLayoutArea(boolean open) {
1463
-        int l = getPaddingLeft(), t = getPaddingTop();
1464
-        if (open) {
1465
-            if (mCurrentDragEdge == DragEdge.Left)
1466
-                l = getPaddingLeft() + mDragDistance;
1467
-            else if (mCurrentDragEdge == DragEdge.Right)
1468
-                l = getPaddingLeft() - mDragDistance;
1469
-            else if (mCurrentDragEdge == DragEdge.Top)
1470
-                t = getPaddingTop() + mDragDistance;
1471
-            else t = getPaddingTop() - mDragDistance;
1472
-        }
1473
-        return new Rect(l, t, l + getMeasuredWidth(), t + getMeasuredHeight());
1474
-    }
1475
-
1476
-    private Rect computeBottomLayoutAreaViaSurface(ShowMode mode, Rect surfaceArea) {
1477
-        Rect rect = surfaceArea;
1478
-        View bottomView = getCurrentBottomView();
1479
-
1480
-        int bl = rect.left, bt = rect.top, br = rect.right, bb = rect.bottom;
1481
-        if (mode == ShowMode.PullOut) {
1482
-            if (mCurrentDragEdge == DragEdge.Left)
1483
-                bl = rect.left - mDragDistance;
1484
-            else if (mCurrentDragEdge == DragEdge.Right)
1485
-                bl = rect.right;
1486
-            else if (mCurrentDragEdge == DragEdge.Top)
1487
-                bt = rect.top - mDragDistance;
1488
-            else bt = rect.bottom;
1489
-
1490
-            if (mCurrentDragEdge == DragEdge.Left || mCurrentDragEdge == DragEdge.Right) {
1491
-                bb = rect.bottom;
1492
-                br = bl + (bottomView == null ? 0 : bottomView.getMeasuredWidth());
1493
-            } else {
1494
-                bb = bt + (bottomView == null ? 0 : bottomView.getMeasuredHeight());
1495
-                br = rect.right;
1496
-            }
1497
-        } else if (mode == ShowMode.LayDown) {
1498
-            if (mCurrentDragEdge == DragEdge.Left)
1499
-                br = bl + mDragDistance;
1500
-            else if (mCurrentDragEdge == DragEdge.Right)
1501
-                bl = br - mDragDistance;
1502
-            else if (mCurrentDragEdge == DragEdge.Top)
1503
-                bb = bt + mDragDistance;
1504
-            else bt = bb - mDragDistance;
1505
-
1506
-        }
1507
-        return new Rect(bl, bt, br, bb);
1508
-
1509
-    }
1510
-
1511
-    private Rect computeBottomLayDown(DragEdge dragEdge) {
1512
-        int bl = getPaddingLeft(), bt = getPaddingTop();
1513
-        int br, bb;
1514
-        if (dragEdge == DragEdge.Right) {
1515
-            bl = getMeasuredWidth() - mDragDistance;
1516
-        } else if (dragEdge == DragEdge.Bottom) {
1517
-            bt = getMeasuredHeight() - mDragDistance;
1518
-        }
1519
-        if (dragEdge == DragEdge.Left || dragEdge == DragEdge.Right) {
1520
-            br = bl + mDragDistance;
1521
-            bb = bt + getMeasuredHeight();
1522
-        } else {
1523
-            br = bl + getMeasuredWidth();
1524
-            bb = bt + mDragDistance;
1525
-        }
1526
-        return new Rect(bl, bt, br, bb);
1527
-    }
1528
-
1529
-    public void setOnDoubleClickListener(DoubleClickListener doubleClickListener) {
1530
-        mDoubleClickListener = doubleClickListener;
1531
-    }
1532
-
1533
-    public interface DoubleClickListener {
1534
-        void onDoubleClick(SwipeLayout layout, boolean surface);
1535
-    }
1536
-
1537
-    private int dp2px(float dp) {
1538
-        return (int) (dp * getContext().getResources().getDisplayMetrics().density + 0.5f);
1539
-    }
1540
-
1541
-
1542
-    /**
1543
-     * Deprecated, use {@link #setDrag(DragEdge, View)}
1544
-     */
1545
-    @Deprecated
1546
-    public void setDragEdge(DragEdge dragEdge) {
1547
-        clearDragEdge();
1548
-        if (getChildCount() >= 2) {
1549
-            mDragEdges.put(dragEdge, getChildAt(getChildCount() - 2));
1550
-        }
1551
-        setCurrentDragEdge(dragEdge);
1552
-    }
1553
-
1554
-    public void onViewRemoved(View child) {
1555
-        for (Map.Entry<DragEdge, View> entry : new HashMap<DragEdge, View>(mDragEdges).entrySet()) {
1556
-            if (entry.getValue() == child) {
1557
-                mDragEdges.remove(entry.getKey());
1558
-            }
1559
-        }
1560
-    }
1561
-
1562
-    public Map<DragEdge, View> getDragEdgeMap() {
1563
-        return mDragEdges;
1564
-    }
1565
-
1566
-    /**
1567
-     * Deprecated, use {@link #getDragEdgeMap()}
1568
-     */
1569
-    @Deprecated
1570
-    public List<DragEdge> getDragEdges() {
1571
-        return new ArrayList<DragEdge>(mDragEdges.keySet());
1572
-    }
1573
-
1574
-    /**
1575
-     * Deprecated, use {@link #setDrag(DragEdge, View)}
1576
-     */
1577
-    @Deprecated
1578
-    public void setDragEdges(List<DragEdge> dragEdges) {
1579
-        clearDragEdge();
1580
-        for (int i = 0, size = Math.min(dragEdges.size(), getChildCount() - 1); i < size; i++) {
1581
-            DragEdge dragEdge = dragEdges.get(i);
1582
-            mDragEdges.put(dragEdge, getChildAt(i));
1583
-        }
1584
-        if (dragEdges.size() == 0 || dragEdges.contains(DefaultDragEdge)) {
1585
-            setCurrentDragEdge(DefaultDragEdge);
1586
-        } else {
1587
-            setCurrentDragEdge(dragEdges.get(0));
1588
-        }
1589
-    }
1590
-
1591
-    /**
1592
-     * Deprecated, use {@link #addDrag(DragEdge, View)}
1593
-     */
1594
-    @Deprecated
1595
-    public void setDragEdges(DragEdge... mDragEdges) {
1596
-        clearDragEdge();
1597
-        setDragEdges(Arrays.asList(mDragEdges));
1598
-    }
1599
-
1600
-    /**
1601
-     * Deprecated, use {@link #addDrag(DragEdge, View)}
1602
-     * When using multiple drag edges it's a good idea to pass the ids of the views that
1603
-     * you're using for the left, right, top bottom views (-1 if you're not using a particular view)
1604
-     */
1605
-    @Deprecated
1606
-    public void setBottomViewIds(int leftId, int rightId, int topId, int bottomId) {
1607
-        addDrag(DragEdge.Left, findViewById(leftId));
1608
-        addDrag(DragEdge.Right, findViewById(rightId));
1609
-        addDrag(DragEdge.Top, findViewById(topId));
1610
-        addDrag(DragEdge.Bottom, findViewById(bottomId));
1611
-    }
1612
-
1613
-    private float getCurrentOffset() {
1614
-        if (mCurrentDragEdge == null) return 0;
1615
-        return mEdgeSwipesOffset[mCurrentDragEdge.ordinal()];
1616
-    }
1617
-
1618
-    private void setCurrentDragEdge(DragEdge dragEdge) {
1619
-        mCurrentDragEdge = dragEdge;
1620
-        updateBottomViews();
1621
-    }
1622
-
1623
-    private void updateBottomViews() {
1624
-        View currentBottomView = getCurrentBottomView();
1625
-        if (currentBottomView != null) {
1626
-            if (mCurrentDragEdge == DragEdge.Left || mCurrentDragEdge == DragEdge.Right) {
1627
-                mDragDistance = currentBottomView.getMeasuredWidth() - dp2px(getCurrentOffset());
1628
-            } else {
1629
-                mDragDistance = currentBottomView.getMeasuredHeight() - dp2px(getCurrentOffset());
1630
-            }
1631
-        }
1632
-
1633
-        if (mShowMode == ShowMode.PullOut) {
1634
-            layoutPullOut();
1635
-        } else if (mShowMode == ShowMode.LayDown) {
1636
-            layoutLayDown();
1637
-        }
1638
-
1639
-        safeBottomView();
1640
-    }
1641
-}

+ 19 - 0
views/src/main/java/com/android/views/swipebacklayout/SwipeBackActivityBase.java

@@ -0,0 +1,19 @@
1
+package com.android.views.swipebacklayout;
2
+
3
+/**
4
+ * @author Yrom
5
+ */
6
+public interface SwipeBackActivityBase {
7
+    /**
8
+     * @return the SwipeBackLayout associated with this activity.
9
+     */
10
+    public abstract SwipeBackLayout getSwipeBackLayout();
11
+
12
+    public abstract void setSwipeBackEnable(boolean enable);
13
+
14
+    /**
15
+     * Scroll out contentView and finish the activity
16
+     */
17
+    public abstract void scrollToFinishActivity();
18
+
19
+}

+ 60 - 0
views/src/main/java/com/android/views/swipebacklayout/SwipeBackActivityHelper.java

@@ -0,0 +1,60 @@
1
+package com.android.views.swipebacklayout;
2
+
3
+import android.app.Activity;
4
+import android.graphics.Color;
5
+import android.graphics.drawable.ColorDrawable;
6
+import android.view.LayoutInflater;
7
+import android.view.View;
8
+
9
+import com.android.views.R;
10
+
11
+/**
12
+ * @author Yrom
13
+ */
14
+public class SwipeBackActivityHelper {
15
+    private Activity mActivity;
16
+
17
+    private SwipeBackLayout mSwipeBackLayout;
18
+
19
+    public SwipeBackActivityHelper(Activity activity) {
20
+        mActivity = activity;
21
+    }
22
+
23
+    @SuppressWarnings("deprecation")
24
+    public void onActivityCreate() {
25
+        mActivity.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
26
+        mActivity.getWindow().getDecorView().setBackgroundDrawable(null);
27
+        mSwipeBackLayout = (SwipeBackLayout) LayoutInflater.from(mActivity).inflate(
28
+                R.layout.swipeback_layout, null);
29
+        mSwipeBackLayout.addSwipeListener(new SwipeBackLayout.SwipeListener() {
30
+            @Override
31
+            public void onScrollStateChange(int state, float scrollPercent) {
32
+            }
33
+
34
+            @Override
35
+            public void onEdgeTouch(int edgeFlag) {
36
+                Utils.convertActivityToTranslucent(mActivity);
37
+            }
38
+
39
+            @Override
40
+            public void onScrollOverThreshold() {
41
+
42
+            }
43
+        });
44
+    }
45
+
46
+    public void onPostCreate() {
47
+        mSwipeBackLayout.attachToActivity(mActivity);
48
+    }
49
+
50
+    public View findViewById(int id) {
51
+        if (mSwipeBackLayout != null) {
52
+            return mSwipeBackLayout.findViewById(id);
53
+        }
54
+        return null;
55
+    }
56
+
57
+    public SwipeBackLayout getSwipeBackLayout() {
58
+        return mSwipeBackLayout;
59
+    }
60
+}

+ 606 - 0
views/src/main/java/com/android/views/swipebacklayout/SwipeBackLayout.java

@@ -0,0 +1,606 @@
1
+package com.android.views.swipebacklayout;
2
+
3
+import android.app.Activity;
4
+import android.content.Context;
5
+import android.content.res.TypedArray;
6
+import android.graphics.Canvas;
7
+import android.graphics.Rect;
8
+import android.graphics.drawable.Drawable;
9
+import android.support.v4.view.ViewCompat;
10
+import android.util.AttributeSet;
11
+import android.view.MotionEvent;
12
+import android.view.View;
13
+import android.view.ViewGroup;
14
+import android.widget.FrameLayout;
15
+
16
+import com.android.views.R;
17
+
18
+import java.util.ArrayList;
19
+import java.util.List;
20
+
21
+
22
+public class SwipeBackLayout extends FrameLayout {
23
+    /**
24
+     * Minimum velocity that will be detected as a fling
25
+     */
26
+    private static final int MIN_FLING_VELOCITY = 400; // dips per second
27
+
28
+    private static final int DEFAULT_SCRIM_COLOR = 0x99000000;
29
+
30
+    private static final int FULL_ALPHA = 255;
31
+
32
+    /**
33
+     * Edge flag indicating that the left edge should be affected.
34
+     */
35
+    public static final int EDGE_LEFT = ViewDragHelper.EDGE_LEFT;
36
+
37
+    /**
38
+     * Edge flag indicating that the right edge should be affected.
39
+     */
40
+    public static final int EDGE_RIGHT = ViewDragHelper.EDGE_RIGHT;
41
+
42
+    /**
43
+     * Edge flag indicating that the bottom edge should be affected.
44
+     */
45
+    public static final int EDGE_BOTTOM = ViewDragHelper.EDGE_BOTTOM;
46
+
47
+    /**
48
+     * Edge flag set indicating all edges should be affected.
49
+     */
50
+    public static final int EDGE_ALL = EDGE_LEFT | EDGE_RIGHT | EDGE_BOTTOM;
51
+
52
+    /**
53
+     * A view is not currently being dragged or animating as a result of a
54
+     * fling/snap.
55
+     */
56
+    public static final int STATE_IDLE = ViewDragHelper.STATE_IDLE;
57
+
58
+    /**
59
+     * A view is currently being dragged. The position is currently changing as
60
+     * a result of user input or simulated user input.
61
+     */
62
+    public static final int STATE_DRAGGING = ViewDragHelper.STATE_DRAGGING;
63
+
64
+    /**
65
+     * A view is currently settling into place as a result of a fling or
66
+     * predefined non-interactive motion.
67
+     */
68
+    public static final int STATE_SETTLING = ViewDragHelper.STATE_SETTLING;
69
+
70
+    /**
71
+     * Default threshold of scroll
72
+     */
73
+    private static final float DEFAULT_SCROLL_THRESHOLD = 0.3f;
74
+
75
+    private static final int OVERSCROLL_DISTANCE = 10;
76
+
77
+    private static final int[] EDGE_FLAGS = {
78
+            EDGE_LEFT, EDGE_RIGHT, EDGE_BOTTOM, EDGE_ALL
79
+    };
80
+
81
+    private int mEdgeFlag;
82
+
83
+    /**
84
+     * Threshold of scroll, we will close the activity, when scrollPercent over
85
+     * this value;
86
+     */
87
+    private float mScrollThreshold = DEFAULT_SCROLL_THRESHOLD;
88
+
89
+    private Activity mActivity;
90
+
91
+    private boolean mEnable = true;
92
+
93
+    private View mContentView;
94
+
95
+    private ViewDragHelper mDragHelper;
96
+
97
+    private float mScrollPercent;
98
+
99
+    private int mContentLeft;
100
+
101
+    private int mContentTop;
102
+
103
+    /**
104
+     * The set of listeners to be sent events through.
105
+     */
106
+    private List<SwipeListener> mListeners;
107
+
108
+    private Drawable mShadowLeft;
109
+
110
+    private Drawable mShadowRight;
111
+
112
+    private Drawable mShadowBottom;
113
+
114
+    private float mScrimOpacity;
115
+
116
+    private int mScrimColor = DEFAULT_SCRIM_COLOR;
117
+
118
+    private boolean mInLayout;
119
+
120
+    private Rect mTmpRect = new Rect();
121
+
122
+    /**
123
+     * Edge being dragged
124
+     */
125
+    private int mTrackingEdge;
126
+
127
+    public SwipeBackLayout(Context context) {
128
+        this(context, null);
129
+    }
130
+
131
+    public SwipeBackLayout(Context context, AttributeSet attrs) {
132
+        this(context, attrs, R.attr.SwipeBackLayoutStyle);
133
+    }
134
+
135
+    public SwipeBackLayout(Context context, AttributeSet attrs, int defStyle) {
136
+        super(context, attrs);
137
+        mDragHelper = ViewDragHelper.create(this, new ViewDragCallback());
138
+
139
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SwipeBackLayout, defStyle,
140
+                R.style.SwipeBackLayout);
141
+
142
+        int edgeSize = a.getDimensionPixelSize(R.styleable.SwipeBackLayout_edge_size, -1);
143
+        if (edgeSize > 0)
144
+            setEdgeSize(edgeSize);
145
+        int mode = EDGE_FLAGS[a.getInt(R.styleable.SwipeBackLayout_edge_flag, 0)];
146
+        setEdgeTrackingEnabled(mode);
147
+
148
+        int shadowLeft = a.getResourceId(R.styleable.SwipeBackLayout_shadow_left,
149
+                R.drawable.shadow_left);
150
+        int shadowRight = a.getResourceId(R.styleable.SwipeBackLayout_shadow_right,
151
+                R.drawable.shadow_right);
152
+        int shadowBottom = a.getResourceId(R.styleable.SwipeBackLayout_shadow_bottom,
153
+                R.drawable.shadow_bottom);
154
+        setShadow(shadowLeft, EDGE_LEFT);
155
+        setShadow(shadowRight, EDGE_RIGHT);
156
+        setShadow(shadowBottom, EDGE_BOTTOM);
157
+        a.recycle();
158
+        final float density = getResources().getDisplayMetrics().density;
159
+        final float minVel = MIN_FLING_VELOCITY * density;
160
+        mDragHelper.setMinVelocity(minVel);
161
+        mDragHelper.setMaxVelocity(minVel * 2f);
162
+    }
163
+
164
+    /**
165
+     * Sets the sensitivity of the NavigationLayout.
166
+     *
167
+     * @param context     The application context.
168
+     * @param sensitivity value between 0 and 1, the final value for touchSlop =
169
+     *                    ViewConfiguration.getScaledTouchSlop * (1 / s);
170
+     */
171
+    public void setSensitivity(Context context, float sensitivity) {
172
+        mDragHelper.setSensitivity(context, sensitivity);
173
+    }
174
+
175
+    /**
176
+     * Set up contentView which will be moved by user gesture
177
+     *
178
+     * @param view
179
+     */
180
+    private void setContentView(View view) {
181
+        mContentView = view;
182
+    }
183
+
184
+    public void setEnableGesture(boolean enable) {
185
+        mEnable = enable;
186
+    }
187
+
188
+    /**
189
+     * Enable edge tracking for the selected edges of the parent view. The
190
+     * callback's
191
+     *
192
+     * @param edgeFlags Combination of edge flags describing the edges to watch
193
+     * @see #EDGE_LEFT
194
+     * @see #EDGE_RIGHT
195
+     * @see #EDGE_BOTTOM
196
+     */
197
+    public void setEdgeTrackingEnabled(int edgeFlags) {
198
+        mEdgeFlag = edgeFlags;
199
+        mDragHelper.setEdgeTrackingEnabled(mEdgeFlag);
200
+    }
201
+
202
+    /**
203
+     * Set a color to use for the scrim that obscures primary content while a
204
+     * drawer is open.
205
+     *
206
+     * @param color Color to use in 0xAARRGGBB format.
207
+     */
208
+    public void setScrimColor(int color) {
209
+        mScrimColor = color;
210
+        invalidate();
211
+    }
212
+
213
+    /**
214
+     * Set the size of an edge. This is the range in pixels along the edges of
215
+     * this view that will actively detect edge touches or drags if edge
216
+     * tracking is enabled.
217
+     *
218
+     * @param size The size of an edge in pixels
219
+     */
220
+    public void setEdgeSize(int size) {
221
+        mDragHelper.setEdgeSize(size);
222
+    }
223
+
224
+    /**
225
+     * Register a callback to be invoked when a swipe event is sent to this
226
+     * view.
227
+     *
228
+     * @param listener the swipe listener to attach to this view
229
+     * @deprecated use {@link #addSwipeListener} instead
230
+     */
231
+    @Deprecated
232
+    public void setSwipeListener(SwipeListener listener) {
233
+        addSwipeListener(listener);
234
+    }
235
+
236
+    /**
237
+     * Add a callback to be invoked when a swipe event is sent to this view.
238
+     *
239
+     * @param listener the swipe listener to attach to this view
240
+     */
241
+    public void addSwipeListener(SwipeListener listener) {
242
+        if (mListeners == null) {
243
+            mListeners = new ArrayList<SwipeListener>();
244
+        }
245
+        mListeners.add(listener);
246
+    }
247
+
248
+    /**
249
+     * Removes a listener from the set of listeners
250
+     *
251
+     * @param listener
252
+     */
253
+    public void removeSwipeListener(SwipeListener listener) {
254
+        if (mListeners == null) {
255
+            return;
256
+        }
257
+        mListeners.remove(listener);
258
+    }
259
+
260
+    public static interface SwipeListener {
261
+        /**
262
+         * Invoke when state change
263
+         *
264
+         * @param state         flag to describe scroll state
265
+         * @param scrollPercent scroll percent of this view
266
+         * @see #STATE_IDLE
267
+         * @see #STATE_DRAGGING
268
+         * @see #STATE_SETTLING
269
+         */
270
+        public void onScrollStateChange(int state, float scrollPercent);
271
+
272
+        /**
273
+         * Invoke when edge touched
274
+         *
275
+         * @param edgeFlag edge flag describing the edge being touched
276
+         * @see #EDGE_LEFT
277
+         * @see #EDGE_RIGHT
278
+         * @see #EDGE_BOTTOM
279
+         */
280
+        public void onEdgeTouch(int edgeFlag);
281
+
282
+        /**
283
+         * Invoke when scroll percent over the threshold for the first time
284
+         */
285
+        public void onScrollOverThreshold();
286
+    }
287
+
288
+    /**
289
+     * Set scroll threshold, we will close the activity, when scrollPercent over
290
+     * this value
291
+     *
292
+     * @param threshold
293
+     */
294
+    public void setScrollThresHold(float threshold) {
295
+        if (threshold >= 1.0f || threshold <= 0) {
296
+            throw new IllegalArgumentException("Threshold value should be between 0 and 1.0");
297
+        }
298
+        mScrollThreshold = threshold;
299
+    }
300
+
301
+    /**
302
+     * Set a drawable used for edge shadow.
303
+     *
304
+     * @param shadow    Drawable to use
305
+     * @param edgeFlag Combination of edge flags describing the edge to set
306
+     * @see #EDGE_LEFT
307
+     * @see #EDGE_RIGHT
308
+     * @see #EDGE_BOTTOM
309
+     */
310
+    public void setShadow(Drawable shadow, int edgeFlag) {
311
+        if ((edgeFlag & EDGE_LEFT) != 0) {
312
+            mShadowLeft = shadow;
313
+        } else if ((edgeFlag & EDGE_RIGHT) != 0) {
314
+            mShadowRight = shadow;
315
+        } else if ((edgeFlag & EDGE_BOTTOM) != 0) {
316
+            mShadowBottom = shadow;
317
+        }
318
+        invalidate();
319
+    }
320
+
321
+    /**
322
+     * Set a drawable used for edge shadow.
323
+     *
324
+     * @param resId     Resource of drawable to use
325
+     * @param edgeFlag Combination of edge flags describing the edge to set
326
+     * @see #EDGE_LEFT
327
+     * @see #EDGE_RIGHT
328
+     * @see #EDGE_BOTTOM
329
+     */
330
+    public void setShadow(int resId, int edgeFlag) {
331
+        setShadow(getResources().getDrawable(resId), edgeFlag);
332
+    }
333
+
334
+    /**
335
+     * Scroll out contentView and finish the activity
336
+     */
337
+    public void scrollToFinishActivity() {
338
+        final int childWidth = mContentView.getWidth();
339
+        final int childHeight = mContentView.getHeight();
340
+
341
+        int left = 0, top = 0;
342
+        if ((mEdgeFlag & EDGE_LEFT) != 0) {
343
+            left = childWidth + mShadowLeft.getIntrinsicWidth() + OVERSCROLL_DISTANCE;
344
+            mTrackingEdge = EDGE_LEFT;
345
+        } else if ((mEdgeFlag & EDGE_RIGHT) != 0) {
346
+            left = -childWidth - mShadowRight.getIntrinsicWidth() - OVERSCROLL_DISTANCE;
347
+            mTrackingEdge = EDGE_RIGHT;
348
+        } else if ((mEdgeFlag & EDGE_BOTTOM) != 0) {
349
+            top = -childHeight - mShadowBottom.getIntrinsicHeight() - OVERSCROLL_DISTANCE;
350
+            mTrackingEdge = EDGE_BOTTOM;
351
+        }
352
+
353
+        mDragHelper.smoothSlideViewTo(mContentView, left, top);
354
+        invalidate();
355
+    }
356
+
357
+    @Override
358
+    public boolean onInterceptTouchEvent(MotionEvent event) {
359
+        if (!mEnable) {
360
+            return false;
361
+        }
362
+        try {
363
+            return mDragHelper.shouldInterceptTouchEvent(event);
364
+        } catch (ArrayIndexOutOfBoundsException e) {
365
+            // FIXME: handle exception
366
+            // issues #9
367
+            return false;
368
+        }
369
+    }
370
+
371
+    @Override
372
+    public boolean onTouchEvent(MotionEvent event) {
373
+        if (!mEnable) {
374
+            return false;
375
+        }
376
+        mDragHelper.processTouchEvent(event);
377
+        return true;
378
+    }
379
+
380
+    @Override
381
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
382
+        mInLayout = true;
383
+        if (mContentView != null)
384
+            mContentView.layout(mContentLeft, mContentTop,
385
+                    mContentLeft + mContentView.getMeasuredWidth(),
386
+                    mContentTop + mContentView.getMeasuredHeight());
387
+        mInLayout = false;
388
+    }
389
+
390
+    @Override
391
+    public void requestLayout() {
392
+        if (!mInLayout) {
393
+            super.requestLayout();
394
+        }
395
+    }
396
+
397
+    @Override
398
+    protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
399
+        final boolean drawContent = child == mContentView;
400
+
401
+        boolean ret = super.drawChild(canvas, child, drawingTime);
402
+        if (mScrimOpacity > 0 && drawContent
403
+                && mDragHelper.getViewDragState() != ViewDragHelper.STATE_IDLE) {
404
+            drawShadow(canvas, child);
405
+            drawScrim(canvas, child);
406
+        }
407
+        return ret;
408
+    }
409
+
410
+    private void drawScrim(Canvas canvas, View child) {
411
+        final int baseAlpha = (mScrimColor & 0xff000000) >>> 24;
412
+        final int alpha = (int) (baseAlpha * mScrimOpacity);
413
+        final int color = alpha << 24 | (mScrimColor & 0xffffff);
414
+
415
+        if ((mTrackingEdge & EDGE_LEFT) != 0) {
416
+            canvas.clipRect(0, 0, child.getLeft(), getHeight());
417
+        } else if ((mTrackingEdge & EDGE_RIGHT) != 0) {
418
+            canvas.clipRect(child.getRight(), 0, getRight(), getHeight());
419
+        } else if ((mTrackingEdge & EDGE_BOTTOM) != 0) {
420
+            canvas.clipRect(child.getLeft(), child.getBottom(), getRight(), getHeight());
421
+        }
422
+        canvas.drawColor(color);
423
+    }
424
+
425
+    private void drawShadow(Canvas canvas, View child) {
426
+        final Rect childRect = mTmpRect;
427
+        child.getHitRect(childRect);
428
+
429
+        if ((mEdgeFlag & EDGE_LEFT) != 0) {
430
+            mShadowLeft.setBounds(childRect.left - mShadowLeft.getIntrinsicWidth(), childRect.top,
431
+                    childRect.left, childRect.bottom);
432
+            mShadowLeft.setAlpha((int) (mScrimOpacity * FULL_ALPHA));
433
+            mShadowLeft.draw(canvas);
434
+        }
435
+
436
+        if ((mEdgeFlag & EDGE_RIGHT) != 0) {
437
+            mShadowRight.setBounds(childRect.right, childRect.top,
438
+                    childRect.right + mShadowRight.getIntrinsicWidth(), childRect.bottom);
439
+            mShadowRight.setAlpha((int) (mScrimOpacity * FULL_ALPHA));
440
+            mShadowRight.draw(canvas);
441
+        }
442
+
443
+        if ((mEdgeFlag & EDGE_BOTTOM) != 0) {
444
+            mShadowBottom.setBounds(childRect.left, childRect.bottom, childRect.right,
445
+                    childRect.bottom + mShadowBottom.getIntrinsicHeight());
446
+            mShadowBottom.setAlpha((int) (mScrimOpacity * FULL_ALPHA));
447
+            mShadowBottom.draw(canvas);
448
+        }
449
+    }
450
+
451
+    public void attachToActivity(Activity activity) {
452
+        mActivity = activity;
453
+        TypedArray a = activity.getTheme().obtainStyledAttributes(new int[]{
454
+                android.R.attr.windowBackground
455
+        });
456
+        int background = a.getResourceId(0, 0);
457
+        a.recycle();
458
+
459
+        ViewGroup decor = (ViewGroup) activity.getWindow().getDecorView();
460
+        ViewGroup decorChild = (ViewGroup) decor.getChildAt(0);
461
+        decorChild.setBackgroundResource(background);
462
+        decor.removeView(decorChild);
463
+        addView(decorChild);
464
+        setContentView(decorChild);
465
+        decor.addView(this);
466
+    }
467
+
468
+    @Override
469
+    public void computeScroll() {
470
+        mScrimOpacity = 1 - mScrollPercent;
471
+        if (mDragHelper.continueSettling(true)) {
472
+            ViewCompat.postInvalidateOnAnimation(this);
473
+        }
474
+    }
475
+
476
+    private class ViewDragCallback extends ViewDragHelper.Callback {
477
+        private boolean mIsScrollOverValid;
478
+
479
+        @Override
480
+        public boolean tryCaptureView(View view, int i) {
481
+            boolean ret = mDragHelper.isEdgeTouched(mEdgeFlag, i);
482
+            if (ret) {
483
+                if (mDragHelper.isEdgeTouched(EDGE_LEFT, i)) {
484
+                    mTrackingEdge = EDGE_LEFT;
485
+                } else if (mDragHelper.isEdgeTouched(EDGE_RIGHT, i)) {
486
+                    mTrackingEdge = EDGE_RIGHT;
487
+                } else if (mDragHelper.isEdgeTouched(EDGE_BOTTOM, i)) {
488
+                    mTrackingEdge = EDGE_BOTTOM;
489
+                }
490
+                if (mListeners != null && !mListeners.isEmpty()) {
491
+                    for (SwipeListener listener : mListeners) {
492
+                        listener.onEdgeTouch(mTrackingEdge);
493
+                    }
494
+                }
495
+                mIsScrollOverValid = true;
496
+            }
497
+            boolean directionCheck = false;
498
+            if (mEdgeFlag == EDGE_LEFT || mEdgeFlag == EDGE_RIGHT) {
499
+                directionCheck = !mDragHelper.checkTouchSlop(ViewDragHelper.DIRECTION_VERTICAL, i);
500
+            } else if (mEdgeFlag == EDGE_BOTTOM) {
501
+                directionCheck = !mDragHelper
502
+                        .checkTouchSlop(ViewDragHelper.DIRECTION_HORIZONTAL, i);
503
+            } else if (mEdgeFlag == EDGE_ALL) {
504
+                directionCheck = true;
505
+            }
506
+            return ret & directionCheck;
507
+        }
508
+
509
+        @Override
510
+        public int getViewHorizontalDragRange(View child) {
511
+            return mEdgeFlag & (EDGE_LEFT | EDGE_RIGHT);
512
+        }
513
+
514
+        @Override
515
+        public int getViewVerticalDragRange(View child) {
516
+            return mEdgeFlag & EDGE_BOTTOM;
517
+        }
518
+
519
+        @Override
520
+        public void onViewPositionChanged(View changedView, int left, int top, int dx, int dy) {
521
+            super.onViewPositionChanged(changedView, left, top, dx, dy);
522
+            if ((mTrackingEdge & EDGE_LEFT) != 0) {
523
+                mScrollPercent = Math.abs((float) left
524
+                        / (mContentView.getWidth() + mShadowLeft.getIntrinsicWidth()));
525
+            } else if ((mTrackingEdge & EDGE_RIGHT) != 0) {
526
+                mScrollPercent = Math.abs((float) left
527
+                        / (mContentView.getWidth() + mShadowRight.getIntrinsicWidth()));
528
+            } else if ((mTrackingEdge & EDGE_BOTTOM) != 0) {
529
+                mScrollPercent = Math.abs((float) top
530
+                        / (mContentView.getHeight() + mShadowBottom.getIntrinsicHeight()));
531
+            }
532
+            mContentLeft = left;
533
+            mContentTop = top;
534
+            invalidate();
535
+            if (mScrollPercent < mScrollThreshold && !mIsScrollOverValid) {
536
+                mIsScrollOverValid = true;
537
+            }
538
+            if (mListeners != null && !mListeners.isEmpty()
539
+                    && mDragHelper.getViewDragState() == STATE_DRAGGING
540
+                    && mScrollPercent >= mScrollThreshold && mIsScrollOverValid) {
541
+                mIsScrollOverValid = false;
542
+                for (SwipeListener listener : mListeners) {
543
+                    listener.onScrollOverThreshold();
544
+                }
545
+            }
546
+
547
+            if (mScrollPercent >= 1) {
548
+                if (!mActivity.isFinishing()) {
549
+                    mActivity.finish();
550
+                    mActivity.overridePendingTransition(0, 0);        
551
+                }
552
+            }
553
+        }
554
+
555
+        @Override
556
+        public void onViewReleased(View releasedChild, float xvel, float yvel) {
557
+            final int childWidth = releasedChild.getWidth();
558
+            final int childHeight = releasedChild.getHeight();
559
+
560
+            int left = 0, top = 0;
561
+            if ((mTrackingEdge & EDGE_LEFT) != 0) {
562
+                left = xvel > 0 || xvel == 0 && mScrollPercent > mScrollThreshold ? childWidth
563
+                        + mShadowLeft.getIntrinsicWidth() + OVERSCROLL_DISTANCE : 0;
564
+            } else if ((mTrackingEdge & EDGE_RIGHT) != 0) {
565
+                left = xvel < 0 || xvel == 0 && mScrollPercent > mScrollThreshold ? -(childWidth
566
+                        + mShadowLeft.getIntrinsicWidth() + OVERSCROLL_DISTANCE) : 0;
567
+            } else if ((mTrackingEdge & EDGE_BOTTOM) != 0) {
568
+                top = yvel < 0 || yvel == 0 && mScrollPercent > mScrollThreshold ? -(childHeight
569
+                        + mShadowBottom.getIntrinsicHeight() + OVERSCROLL_DISTANCE) : 0;
570
+            }
571
+
572
+            mDragHelper.settleCapturedViewAt(left, top);
573
+            invalidate();
574
+        }
575
+
576
+        @Override
577
+        public int clampViewPositionHorizontal(View child, int left, int dx) {
578
+            int ret = 0;
579
+            if ((mTrackingEdge & EDGE_LEFT) != 0) {
580
+                ret = Math.min(child.getWidth(), Math.max(left, 0));
581
+            } else if ((mTrackingEdge & EDGE_RIGHT) != 0) {
582
+                ret = Math.min(0, Math.max(left, -child.getWidth()));
583
+            }
584
+            return ret;
585
+        }
586
+
587
+        @Override
588
+        public int clampViewPositionVertical(View child, int top, int dy) {
589
+            int ret = 0;
590
+            if ((mTrackingEdge & EDGE_BOTTOM) != 0) {
591
+                ret = Math.min(0, Math.max(top, -child.getHeight()));
592
+            }
593
+            return ret;
594
+        }
595
+
596
+        @Override
597
+        public void onViewDragStateChanged(int state) {
598
+            super.onViewDragStateChanged(state);
599
+            if (mListeners != null && !mListeners.isEmpty()) {
600
+                for (SwipeListener listener : mListeners) {
601
+                    listener.onScrollStateChange(state, mScrollPercent);
602
+                }
603
+            }
604
+        }
605
+    }
606
+}

+ 103 - 0
views/src/main/java/com/android/views/swipebacklayout/Utils.java

@@ -0,0 +1,103 @@
1
+
2
+package com.android.views.swipebacklayout;
3
+
4
+import android.app.Activity;
5
+import android.app.ActivityOptions;
6
+import android.os.Build;
7
+
8
+import java.lang.reflect.Method;
9
+
10
+/**
11
+ * Created by Chaojun Wang on 6/9/14.
12
+ */
13
+public class Utils {
14
+    private Utils() {
15
+    }
16
+
17
+    /**
18
+     * Convert a translucent themed Activity
19
+     * {@link android.R.attr#windowIsTranslucent} to a fullscreen opaque
20
+     * Activity.
21
+     * <p>
22
+     * Call this whenever the background of a translucent Activity has changed
23
+     * to become opaque. Doing so will allow the {@link android.view.Surface} of
24
+     * the Activity behind to be released.
25
+     * <p>
26
+     * This call has no effect on non-translucent activities or on activities
27
+     * with the {@link android.R.attr#windowIsFloating} attribute.
28
+     */
29
+    public static void convertActivityFromTranslucent(Activity activity) {
30
+        try {
31
+            Method method = Activity.class.getDeclaredMethod("convertFromTranslucent");
32
+            method.setAccessible(true);
33
+            method.invoke(activity);
34
+        } catch (Throwable t) {
35
+        }
36
+    }
37
+
38
+    /**
39
+     * Convert a translucent themed Activity
40
+     * {@link android.R.attr#windowIsTranslucent} back from opaque to
41
+     * translucent following a call to
42
+     * {@link #convertActivityFromTranslucent(Activity)} .
43
+     * <p>
44
+     * Calling this allows the Activity behind this one to be seen again. Once
45
+     * all such Activities have been redrawn
46
+     * <p>
47
+     * This call has no effect on non-translucent activities or on activities
48
+     * with the {@link android.R.attr#windowIsFloating} attribute.
49
+     */
50
+    public static void convertActivityToTranslucent(Activity activity) {
51
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
52
+            convertActivityToTranslucentAfterL(activity);
53
+        } else {
54
+            convertActivityToTranslucentBeforeL(activity);
55
+        }
56
+    }
57
+
58
+    /**
59
+     * Calling the convertToTranslucent method on platforms before Android 5.0
60
+     */
61
+    public static void convertActivityToTranslucentBeforeL(Activity activity) {
62
+        try {
63
+            Class<?>[] classes = Activity.class.getDeclaredClasses();
64
+            Class<?> translucentConversionListenerClazz = null;
65
+            for (Class clazz : classes) {
66
+                if (clazz.getSimpleName().contains("TranslucentConversionListener")) {
67
+                    translucentConversionListenerClazz = clazz;
68
+                }
69
+            }
70
+            Method method = Activity.class.getDeclaredMethod("convertToTranslucent",
71
+                    translucentConversionListenerClazz);
72
+            method.setAccessible(true);
73
+            method.invoke(activity, new Object[] {
74
+                null
75
+            });
76
+        } catch (Throwable t) {
77
+        }
78
+    }
79
+
80
+    /**
81
+     * Calling the convertToTranslucent method on platforms after Android 5.0
82
+     */
83
+    private static void convertActivityToTranslucentAfterL(Activity activity) {
84
+        try {
85
+            Method getActivityOptions = Activity.class.getDeclaredMethod("getActivityOptions");
86
+            getActivityOptions.setAccessible(true);
87
+            Object options = getActivityOptions.invoke(activity);
88
+
89
+            Class<?>[] classes = Activity.class.getDeclaredClasses();
90
+            Class<?> translucentConversionListenerClazz = null;
91
+            for (Class clazz : classes) {
92
+                if (clazz.getSimpleName().contains("TranslucentConversionListener")) {
93
+                    translucentConversionListenerClazz = clazz;
94
+                }
95
+            }
96
+            Method convertToTranslucent = Activity.class.getDeclaredMethod("convertToTranslucent",
97
+                    translucentConversionListenerClazz, ActivityOptions.class);
98
+            convertToTranslucent.setAccessible(true);
99
+            convertToTranslucent.invoke(activity, null, options);
100
+        } catch (Throwable t) {
101
+        }
102
+    }
103
+}

+ 1580 - 0
views/src/main/java/com/android/views/swipebacklayout/ViewDragHelper.java

@@ -0,0 +1,1580 @@
1
+/*
2
+ * Copyright (C) 2013 The Android Open Source Project
3
+ *
4
+ * Licensed under the Apache License, Version 2.0 (the "License");
5
+ * you may not use this file except in compliance with the License.
6
+ * You may obtain a copy of the License at
7
+ *
8
+ *      http://www.apache.org/licenses/LICENSE-2.0
9
+ *
10
+ * Unless required by applicable law or agreed to in writing, software
11
+ * distributed under the License is distributed on an "AS IS" BASIS,
12
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13
+ * See the License for the specific language governing permissions and
14
+ * limitations under the License.
15
+ */
16
+
17
+package com.android.views.swipebacklayout;
18
+
19
+import android.content.Context;
20
+import android.support.v4.view.MotionEventCompat;
21
+import android.support.v4.view.VelocityTrackerCompat;
22
+import android.support.v4.view.ViewCompat;
23
+import android.support.v4.widget.ScrollerCompat;
24
+import android.view.MotionEvent;
25
+import android.view.VelocityTracker;
26
+import android.view.View;
27
+import android.view.ViewConfiguration;
28
+import android.view.ViewGroup;
29
+import android.view.animation.Interpolator;
30
+
31
+import java.util.Arrays;
32
+
33
+/**
34
+ * ViewDragHelper is a utility class for writing custom ViewGroups. It offers a
35
+ * number of useful operations and state tracking for allowing a user to drag
36
+ * and reposition views within their parent ViewGroup.
37
+ */
38
+public class ViewDragHelper {
39
+    private static final String TAG = "ViewDragHelper";
40
+
41
+    /**
42
+     * A null/invalid pointer ID.
43
+     */
44
+    public static final int INVALID_POINTER = -1;
45
+
46
+    /**
47
+     * A view is not currently being dragged or animating as a result of a
48
+     * fling/snap.
49
+     */
50
+    public static final int STATE_IDLE = 0;
51
+
52
+    /**
53
+     * A view is currently being dragged. The position is currently changing as
54
+     * a result of user input or simulated user input.
55
+     */
56
+    public static final int STATE_DRAGGING = 1;
57
+
58
+    /**
59
+     * A view is currently settling into place as a result of a fling or
60
+     * predefined non-interactive motion.
61
+     */
62
+    public static final int STATE_SETTLING = 2;
63
+
64
+    /**
65
+     * Edge flag indicating that the left edge should be affected.
66
+     */
67
+    public static final int EDGE_LEFT = 1 << 0;
68
+
69
+    /**
70
+     * Edge flag indicating that the right edge should be affected.
71
+     */
72
+    public static final int EDGE_RIGHT = 1 << 1;
73
+
74
+    /**
75
+     * Edge flag indicating that the top edge should be affected.
76
+     */
77
+    public static final int EDGE_TOP = 1 << 2;
78
+
79
+    /**
80
+     * Edge flag indicating that the bottom edge should be affected.
81
+     */
82
+    public static final int EDGE_BOTTOM = 1 << 3;
83
+
84
+    /**
85
+     * Edge flag set indicating all edges should be affected.
86
+     */
87
+    public static final int EDGE_ALL = EDGE_LEFT | EDGE_TOP | EDGE_RIGHT | EDGE_BOTTOM;
88
+
89
+    /**
90
+     * Indicates that a check should occur along the horizontal axis
91
+     */
92
+    public static final int DIRECTION_HORIZONTAL = 1 << 0;
93
+
94
+    /**
95
+     * Indicates that a check should occur along the vertical axis
96
+     */
97
+    public static final int DIRECTION_VERTICAL = 1 << 1;
98
+
99
+    /**
100
+     * Indicates that a check should occur along all axes
101
+     */
102
+    public static final int DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL;
103
+
104
+    public static final int EDGE_SIZE = 20; // dp
105
+
106
+    private static final int BASE_SETTLE_DURATION = 256; // ms
107
+
108
+    private static final int MAX_SETTLE_DURATION = 600; // ms
109
+
110
+    // Current drag state; idle, dragging or settling
111
+    private int mDragState;
112
+
113
+    // Distance to travel before a drag may begin
114
+    private int mTouchSlop;
115
+
116
+    // Last known position/pointer tracking
117
+    private int mActivePointerId = INVALID_POINTER;
118
+
119
+    private float[] mInitialMotionX;
120
+
121
+    private float[] mInitialMotionY;
122
+
123
+    private float[] mLastMotionX;
124
+
125
+    private float[] mLastMotionY;
126
+
127
+    private int[] mInitialEdgeTouched;
128
+
129
+    private int[] mEdgeDragsInProgress;
130
+
131
+    private int[] mEdgeDragsLocked;
132
+
133
+    private int mPointersDown;
134
+
135
+    private VelocityTracker mVelocityTracker;
136
+
137
+    private float mMaxVelocity;
138
+
139
+    private float mMinVelocity;
140
+
141
+    private int mEdgeSize;
142
+
143
+    private int mTrackingEdges;
144
+
145
+    private ScrollerCompat mScroller;
146
+
147
+    private final Callback mCallback;
148
+
149
+    private View mCapturedView;
150
+
151
+    private boolean mReleaseInProgress;
152
+
153
+    private final ViewGroup mParentView;
154
+
155
+    /**
156
+     * A Callback is used as a communication channel with the ViewDragHelper
157
+     * back to the parent view using it. <code>on*</code>methods are invoked on
158
+     * siginficant events and several accessor methods are expected to provide
159
+     * the ViewDragHelper with more information about the state of the parent
160
+     * view upon request. The callback also makes decisions governing the range
161
+     * and draggability of child views.
162
+     */
163
+    public static abstract class Callback {
164
+        /**
165
+         * Called when the drag state changes. See the <code>STATE_*</code>
166
+         * constants for more information.
167
+         *
168
+         * @param state The new drag state
169
+         * @see #STATE_IDLE
170
+         * @see #STATE_DRAGGING
171
+         * @see #STATE_SETTLING
172
+         */
173
+        public void onViewDragStateChanged(int state) {
174
+        }
175
+
176
+        /**
177
+         * Called when the captured view's position changes as the result of a
178
+         * drag or settle.
179
+         *
180
+         * @param changedView View whose position changed
181
+         * @param left        New X coordinate of the left edge of the view
182
+         * @param top         New Y coordinate of the top edge of the view
183
+         * @param dx          Change in X position from the last call
184
+         * @param dy          Change in Y position from the last call
185
+         */
186
+        public void onViewPositionChanged(View changedView, int left, int top, int dx, int dy) {
187
+        }
188
+
189
+        /**
190
+         * Called when a child view is captured for dragging or settling. The ID
191
+         * of the pointer currently dragging the captured view is supplied. If
192
+         * activePointerId is identified as {@link #INVALID_POINTER} the capture
193
+         * is programmatic instead of pointer-initiated.
194
+         *
195
+         * @param capturedChild   Child view that was captured
196
+         * @param activePointerId Pointer id tracking the child capture
197
+         */
198
+        public void onViewCaptured(View capturedChild, int activePointerId) {
199
+        }
200
+
201
+        /**
202
+         * Called when the child view is no longer being actively dragged. The
203
+         * fling velocity is also supplied, if relevant. The velocity values may
204
+         * be clamped to system minimums or maximums.
205
+         * <p>
206
+         * Calling code may decide to fling or otherwise release the view to let
207
+         * it settle into place. It should do so using
208
+         * {@link #settleCapturedViewAt(int, int)} or
209
+         * {@link #flingCapturedView(int, int, int, int)}. If the Callback
210
+         * invokes one of these methods, the ViewDragHelper will enter
211
+         * {@link #STATE_SETTLING} and the view capture will not fully end until
212
+         * it comes to a complete stop. If neither of these methods is invoked
213
+         * before <code>onViewReleased</code> returns, the view will stop in
214
+         * place and the ViewDragHelper will return to {@link #STATE_IDLE}.
215
+         * </p>
216
+         *
217
+         * @param releasedChild The captured child view now being released
218
+         * @param xvel          X velocity of the pointer as it left the screen in pixels
219
+         *                      per second.
220
+         * @param yvel          Y velocity of the pointer as it left the screen in pixels
221
+         *                      per second.
222
+         */
223
+        public void onViewReleased(View releasedChild, float xvel, float yvel) {
224
+        }
225
+
226
+        /**
227
+         * Called when one of the subscribed edges in the parent view has been
228
+         * touched by the user while no child view is currently captured.
229
+         *
230
+         * @param edgeFlags A combination of edge flags describing the edge(s)
231
+         *                  currently touched
232
+         * @param pointerId ID of the pointer touching the described edge(s)
233
+         * @see #EDGE_LEFT
234
+         * @see #EDGE_TOP
235
+         * @see #EDGE_RIGHT
236
+         * @see #EDGE_BOTTOM
237
+         */
238
+        public void onEdgeTouched(int edgeFlags, int pointerId) {
239
+        }
240
+
241
+        /**
242
+         * Called when the given edge may become locked. This can happen if an
243
+         * edge drag was preliminarily rejected before beginning, but after
244
+         * {@link #onEdgeTouched(int, int)} was called. This method should
245
+         * return true to lock this edge or false to leave it unlocked. The
246
+         * default behavior is to leave edges unlocked.
247
+         *
248
+         * @param edgeFlags A combination of edge flags describing the edge(s)
249
+         *                  locked
250
+         * @return true to lock the edge, false to leave it unlocked
251
+         */
252
+        public boolean onEdgeLock(int edgeFlags) {
253
+            return false;
254
+        }
255
+
256
+        /**
257
+         * Called when the user has started a deliberate drag away from one of
258
+         * the subscribed edges in the parent view while no child view is
259
+         * currently captured.
260
+         *
261
+         * @param edgeFlags A combination of edge flags describing the edge(s)
262
+         *                  dragged
263
+         * @param pointerId ID of the pointer touching the described edge(s)
264
+         * @see #EDGE_LEFT
265
+         * @see #EDGE_TOP
266
+         * @see #EDGE_RIGHT
267
+         * @see #EDGE_BOTTOM
268
+         */
269
+        public void onEdgeDragStarted(int edgeFlags, int pointerId) {
270
+        }
271
+
272
+        /**
273
+         * Called to determine the Z-order of child views.
274
+         *
275
+         * @param index the ordered position to query for
276
+         * @return index of the view that should be ordered at position
277
+         * <code>index</code>
278
+         */
279
+        public int getOrderedChildIndex(int index) {
280
+            return index;
281
+        }
282
+
283
+        /**
284
+         * Return the magnitude of a draggable child view's horizontal range of
285
+         * motion in pixels. This method should return 0 for views that cannot
286
+         * move horizontally.
287
+         *
288
+         * @param child Child view to check
289
+         * @return range of horizontal motion in pixels
290
+         */
291
+        public int getViewHorizontalDragRange(View child) {
292
+            return 0;
293
+        }
294
+
295
+        /**
296
+         * Return the magnitude of a draggable child view's vertical range of
297
+         * motion in pixels. This method should return 0 for views that cannot
298
+         * move vertically.
299
+         *
300
+         * @param child Child view to check
301
+         * @return range of vertical motion in pixels
302
+         */
303
+        public int getViewVerticalDragRange(View child) {
304
+            return 0;
305
+        }
306
+
307
+        /**
308
+         * Called when the user's input indicates that they want to capture the
309
+         * given child view with the pointer indicated by pointerId. The
310
+         * callback should return true if the user is permitted to drag the
311
+         * given view with the indicated pointer.
312
+         * <p>
313
+         * ViewDragHelper may call this method multiple times for the same view
314
+         * even if the view is already captured; this indicates that a new
315
+         * pointer is trying to take control of the view.
316
+         * </p>
317
+         * <p>
318
+         * If this method returns true, a call to
319
+         * {@link #onViewCaptured(View, int)} will follow if the
320
+         * capture is successful.
321
+         * </p>
322
+         *
323
+         * @param child     Child the user is attempting to capture
324
+         * @param pointerId ID of the pointer attempting the capture
325
+         * @return true if capture should be allowed, false otherwise
326
+         */
327
+        public abstract boolean tryCaptureView(View child, int pointerId);
328
+
329
+        /**
330
+         * Restrict the motion of the dragged child view along the horizontal
331
+         * axis. The default implementation does not allow horizontal motion;
332
+         * the extending class must override this method and provide the desired
333
+         * clamping.
334
+         *
335
+         * @param child Child view being dragged
336
+         * @param left  Attempted motion along the X axis
337
+         * @param dx    Proposed change in position for left
338
+         * @return The new clamped position for left
339
+         */
340
+        public int clampViewPositionHorizontal(View child, int left, int dx) {
341
+            return 0;
342
+        }
343
+
344
+        /**
345
+         * Restrict the motion of the dragged child view along the vertical
346
+         * axis. The default implementation does not allow vertical motion; the
347
+         * extending class must override this method and provide the desired
348
+         * clamping.
349
+         *
350
+         * @param child Child view being dragged
351
+         * @param top   Attempted motion along the Y axis
352
+         * @param dy    Proposed change in position for top
353
+         * @return The new clamped position for top
354
+         */
355
+        public int clampViewPositionVertical(View child, int top, int dy) {
356
+            return 0;
357
+        }
358
+    }
359
+
360
+    /**
361
+     * Interpolator defining the animation curve for mScroller
362
+     */
363
+    private static final Interpolator sInterpolator = new Interpolator() {
364
+        public float getInterpolation(float t) {
365
+            t -= 1.0f;
366
+            return t * t * t * t * t + 1.0f;
367
+        }
368
+    };
369
+
370
+    private final Runnable mSetIdleRunnable = new Runnable() {
371
+        public void run() {
372
+            setDragState(STATE_IDLE);
373
+        }
374
+    };
375
+
376
+    /**
377
+     * Factory method to create a new ViewDragHelper.
378
+     *
379
+     * @param forParent Parent view to monitor
380
+     * @param cb        Callback to provide information and receive events
381
+     * @return a new ViewDragHelper instance
382
+     */
383
+    public static ViewDragHelper create(ViewGroup forParent, Callback cb) {
384
+        return new ViewDragHelper(forParent.getContext(), forParent, cb);
385
+    }
386
+
387
+    /**
388
+     * Factory method to create a new ViewDragHelper.
389
+     *
390
+     * @param forParent   Parent view to monitor
391
+     * @param sensitivity Multiplier for how sensitive the helper should be
392
+     *                    about detecting the start of a drag. Larger values are more
393
+     *                    sensitive. 1.0f is normal.
394
+     * @param cb          Callback to provide information and receive events
395
+     * @return a new ViewDragHelper instance
396
+     */
397
+    public static ViewDragHelper create(ViewGroup forParent, float sensitivity, Callback cb) {
398
+        final ViewDragHelper helper = create(forParent, cb);
399
+        helper.mTouchSlop = (int) (helper.mTouchSlop * (1 / sensitivity));
400
+        return helper;
401
+    }
402
+
403
+    /**
404
+     * Apps should use ViewDragHelper.create() to get a new instance. This will
405
+     * allow VDH to use internal compatibility implementations for different
406
+     * platform versions.
407
+     *
408
+     * @param context   Context to initialize config-dependent params from
409
+     * @param forParent Parent view to monitor
410
+     */
411
+    private ViewDragHelper(Context context, ViewGroup forParent, Callback cb) {
412
+        if (forParent == null) {
413
+            throw new IllegalArgumentException("Parent view may not be null");
414
+        }
415
+        if (cb == null) {
416
+            throw new IllegalArgumentException("Callback may not be null");
417
+        }
418
+
419
+        mParentView = forParent;
420
+        mCallback = cb;
421
+
422
+        final ViewConfiguration vc = ViewConfiguration.get(context);
423
+        final float density = context.getResources().getDisplayMetrics().density;
424
+        mEdgeSize = (int) (EDGE_SIZE * density + 0.5f);
425
+
426
+        mTouchSlop = vc.getScaledTouchSlop();
427
+        mMaxVelocity = vc.getScaledMaximumFlingVelocity();
428
+        mMinVelocity = vc.getScaledMinimumFlingVelocity();
429
+        mScroller = ScrollerCompat.create(context, sInterpolator);
430
+    }
431
+
432
+    /**
433
+     * Sets the sensitivity of the dragger.
434
+     *
435
+     * @param context     The application context.
436
+     * @param sensitivity value between 0 and 1, the final value for touchSlop =
437
+     *                    ViewConfiguration.getScaledTouchSlop * (1 / s);
438
+     */
439
+    public void setSensitivity(Context context, float sensitivity) {
440
+        float s = Math.max(0f, Math.min(1.0f, sensitivity));
441
+        ViewConfiguration viewConfiguration = ViewConfiguration.get(context);
442
+        mTouchSlop = (int) (viewConfiguration.getScaledTouchSlop() * (1 / s));
443
+    }
444
+
445
+    /**
446
+     * Set the minimum velocity that will be detected as having a magnitude
447
+     * greater than zero in pixels per second. Callback methods accepting a
448
+     * velocity will be clamped appropriately.
449
+     *
450
+     * @param minVel minimum velocity to detect
451
+     */
452
+    public void setMinVelocity(float minVel) {
453
+        mMinVelocity = minVel;
454
+    }
455
+
456
+    /**
457
+     * Set the max velocity that will be detected as having a magnitude
458
+     * greater than zero in pixels per second. Callback methods accepting a
459
+     * velocity will be clamped appropriately.
460
+     *
461
+     * @param maxVel max velocity to detect
462
+     */
463
+    public void setMaxVelocity(float maxVel) {
464
+        mMaxVelocity = maxVel;
465
+    }
466
+
467
+    /**
468
+     * Return the currently configured minimum velocity. Any flings with a
469
+     * magnitude less than this value in pixels per second. Callback methods
470
+     * accepting a velocity will receive zero as a velocity value if the real
471
+     * detected velocity was below this threshold.
472
+     *
473
+     * @return the minimum velocity that will be detected
474
+     */
475
+    public float getMinVelocity() {
476
+        return mMinVelocity;
477
+    }
478
+
479
+    /**
480
+     * Retrieve the current drag state of this helper. This will return one of
481
+     * {@link #STATE_IDLE}, {@link #STATE_DRAGGING} or {@link #STATE_SETTLING}.
482
+     *
483
+     * @return The current drag state
484
+     */
485
+    public int getViewDragState() {
486
+        return mDragState;
487
+    }
488
+
489
+    /**
490
+     * Enable edge tracking for the selected edges of the parent view. The
491
+     * callback's
492
+     * {@link me.imid.swipebacklayout.lib.ViewDragHelper.Callback#onEdgeTouched(int, int)}
493
+     * and
494
+     * {@link me.imid.swipebacklayout.lib.ViewDragHelper.Callback#onEdgeDragStarted(int, int)}
495
+     * methods will only be invoked for edges for which edge tracking has been
496
+     * enabled.
497
+     *
498
+     * @param edgeFlags Combination of edge flags describing the edges to watch
499
+     * @see #EDGE_LEFT
500
+     * @see #EDGE_TOP
501
+     * @see #EDGE_RIGHT
502
+     * @see #EDGE_BOTTOM
503
+     */
504
+    public void setEdgeTrackingEnabled(int edgeFlags) {
505
+        mTrackingEdges = edgeFlags;
506
+    }
507
+
508
+    /**
509
+     * Return the size of an edge. This is the range in pixels along the edges
510
+     * of this view that will actively detect edge touches or drags if edge
511
+     * tracking is enabled.
512
+     *
513
+     * @return The size of an edge in pixels
514
+     * @see #setEdgeTrackingEnabled(int)
515
+     */
516
+    public int getEdgeSize() {
517
+        return mEdgeSize;
518
+    }
519
+
520
+    /**
521
+     * Set the size of an edge. This is the range in pixels along the edges of
522
+     * this view that will actively detect edge touches or drags if edge
523
+     * tracking is enabled.
524
+     *
525
+     * @param size The size of an edge in pixels
526
+     */
527
+    public void setEdgeSize(int size) {
528
+        mEdgeSize = size;
529
+    }
530
+
531
+    /**
532
+     * Capture a specific child view for dragging within the parent. The
533
+     * callback will be notified but
534
+     * {@link me.imid.swipebacklayout.lib.ViewDragHelper.Callback#tryCaptureView(View, int)}
535
+     * will not be asked permission to capture this view.
536
+     *
537
+     * @param childView       Child view to capture
538
+     * @param activePointerId ID of the pointer that is dragging the captured
539
+     *                        child view
540
+     */
541
+    public void captureChildView(View childView, int activePointerId) {
542
+        if (childView.getParent() != mParentView) {
543
+            throw new IllegalArgumentException("captureChildView: parameter must be a descendant "
544
+                    + "of the ViewDragHelper's tracked parent view (" + mParentView + ")");
545
+        }
546
+
547
+        mCapturedView = childView;
548
+        mActivePointerId = activePointerId;
549
+        mCallback.onViewCaptured(childView, activePointerId);
550
+        setDragState(STATE_DRAGGING);
551
+    }
552
+
553
+    /**
554
+     * @return The currently captured view, or null if no view has been
555
+     * captured.
556
+     */
557
+    public View getCapturedView() {
558
+        return mCapturedView;
559
+    }
560
+
561
+    /**
562
+     * @return The ID of the pointer currently dragging the captured view, or
563
+     * {@link #INVALID_POINTER}.
564
+     */
565
+    public int getActivePointerId() {
566
+        return mActivePointerId;
567
+    }
568
+
569
+    /**
570
+     * @return The minimum distance in pixels that the user must travel to
571
+     * initiate a drag
572
+     */
573
+    public int getTouchSlop() {
574
+        return mTouchSlop;
575
+    }
576
+
577
+    /**
578
+     * The result of a call to this method is equivalent to
579
+     * {@link #processTouchEvent(MotionEvent)} receiving an
580
+     * ACTION_CANCEL event.
581
+     */
582
+    public void cancel() {
583
+        mActivePointerId = INVALID_POINTER;
584
+        clearMotionHistory();
585
+
586
+        if (mVelocityTracker != null) {
587
+            mVelocityTracker.recycle();
588
+            mVelocityTracker = null;
589
+        }
590
+    }
591
+
592
+    /**
593
+     * {@link #cancel()}, but also abort all motion in progress and snap to the
594
+     * end of any animation.
595
+     */
596
+    public void abort() {
597
+        cancel();
598
+        if (mDragState == STATE_SETTLING) {
599
+            final int oldX = mScroller.getCurrX();
600
+            final int oldY = mScroller.getCurrY();
601
+            mScroller.abortAnimation();
602
+            final int newX = mScroller.getCurrX();
603
+            final int newY = mScroller.getCurrY();
604
+            mCallback.onViewPositionChanged(mCapturedView, newX, newY, newX - oldX, newY - oldY);
605
+        }
606
+        setDragState(STATE_IDLE);
607
+    }
608
+
609
+    /**
610
+     * Animate the view <code>child</code> to the given (left, top) position. If
611
+     * this method returns true, the caller should invoke
612
+     * {@link #continueSettling(boolean)} on each subsequent frame to continue
613
+     * the motion until it returns false. If this method returns false there is
614
+     * no further work to do to complete the movement.
615
+     * <p>
616
+     * This operation does not count as a capture event, though
617
+     * {@link #getCapturedView()} will still report the sliding view while the
618
+     * slide is in progress.
619
+     * </p>
620
+     *
621
+     * @param child     Child view to capture and animate
622
+     * @param finalLeft Final left position of child
623
+     * @param finalTop  Final top position of child
624
+     * @return true if animation should continue through
625
+     * {@link #continueSettling(boolean)} calls
626
+     */
627
+    public boolean smoothSlideViewTo(View child, int finalLeft, int finalTop) {
628
+        mCapturedView = child;
629
+        mActivePointerId = INVALID_POINTER;
630
+
631
+        return forceSettleCapturedViewAt(finalLeft, finalTop, 0, 0);
632
+    }
633
+
634
+    /**
635
+     * Settle the captured view at the given (left, top) position. The
636
+     * appropriate velocity from prior motion will be taken into account. If
637
+     * this method returns true, the caller should invoke
638
+     * {@link #continueSettling(boolean)} on each subsequent frame to continue
639
+     * the motion until it returns false. If this method returns false there is
640
+     * no further work to do to complete the movement.
641
+     *
642
+     * @param finalLeft Settled left edge position for the captured view
643
+     * @param finalTop  Settled top edge position for the captured view
644
+     * @return true if animation should continue through
645
+     * {@link #continueSettling(boolean)} calls
646
+     */
647
+    public boolean settleCapturedViewAt(int finalLeft, int finalTop) {
648
+        if (!mReleaseInProgress) {
649
+            throw new IllegalStateException("Cannot settleCapturedViewAt outside of a call to "
650
+                    + "Callback#onViewReleased");
651
+        }
652
+
653
+        return forceSettleCapturedViewAt(finalLeft, finalTop,
654
+                (int) VelocityTrackerCompat.getXVelocity(mVelocityTracker, mActivePointerId),
655
+                (int) VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId));
656
+    }
657
+
658
+    /**
659
+     * Settle the captured view at the given (left, top) position.
660
+     *
661
+     * @param finalLeft Target left position for the captured view
662
+     * @param finalTop  Target top position for the captured view
663
+     * @param xvel      Horizontal velocity
664
+     * @param yvel      Vertical velocity
665
+     * @return true if animation should continue through
666
+     * {@link #continueSettling(boolean)} calls
667
+     */
668
+    private boolean forceSettleCapturedViewAt(int finalLeft, int finalTop, int xvel, int yvel) {
669
+        final int startLeft = mCapturedView.getLeft();
670
+        final int startTop = mCapturedView.getTop();
671
+        final int dx = finalLeft - startLeft;
672
+        final int dy = finalTop - startTop;
673
+
674
+        if (dx == 0 && dy == 0) {
675
+            // Nothing to do. Send callbacks, be done.
676
+            mScroller.abortAnimation();
677
+            setDragState(STATE_IDLE);
678
+            return false;
679
+        }
680
+
681
+        final int duration = computeSettleDuration(mCapturedView, dx, dy, xvel, yvel);
682
+        mScroller.startScroll(startLeft, startTop, dx, dy, duration);
683
+
684
+        setDragState(STATE_SETTLING);
685
+        return true;
686
+    }
687
+
688
+    private int computeSettleDuration(View child, int dx, int dy, int xvel, int yvel) {
689
+        xvel = clampMag(xvel, (int) mMinVelocity, (int) mMaxVelocity);
690
+        yvel = clampMag(yvel, (int) mMinVelocity, (int) mMaxVelocity);
691
+        final int absDx = Math.abs(dx);
692
+        final int absDy = Math.abs(dy);
693
+        final int absXVel = Math.abs(xvel);
694
+        final int absYVel = Math.abs(yvel);
695
+        final int addedVel = absXVel + absYVel;
696
+        final int addedDistance = absDx + absDy;
697
+
698
+        final float xweight = xvel != 0 ? (float) absXVel / addedVel : (float) absDx
699
+                / addedDistance;
700
+        final float yweight = yvel != 0 ? (float) absYVel / addedVel : (float) absDy
701
+                / addedDistance;
702
+
703
+        int xduration = computeAxisDuration(dx, xvel, mCallback.getViewHorizontalDragRange(child));
704
+        int yduration = computeAxisDuration(dy, yvel, mCallback.getViewVerticalDragRange(child));
705
+
706
+        return (int) (xduration * xweight + yduration * yweight);
707
+    }
708
+
709
+    private int computeAxisDuration(int delta, int velocity, int motionRange) {
710
+        if (delta == 0) {
711
+            return 0;
712
+        }
713
+
714
+        final int width = mParentView.getWidth();
715
+        final int halfWidth = width / 2;
716
+        final float distanceRatio = Math.min(1f, (float) Math.abs(delta) / width);
717
+        final float distance = halfWidth + halfWidth
718
+                * distanceInfluenceForSnapDuration(distanceRatio);
719
+
720
+        int duration;
721
+        velocity = Math.abs(velocity);
722
+        if (velocity > 0) {
723
+            duration = 4 * Math.round(1000 * Math.abs(distance / velocity));
724
+        } else {
725
+            final float range = (float) Math.abs(delta) / motionRange;
726
+            duration = (int) ((range + 1) * BASE_SETTLE_DURATION);
727
+        }
728
+        return Math.min(duration, MAX_SETTLE_DURATION);
729
+    }
730
+
731
+    /**
732
+     * Clamp the magnitude of value for absMin and absMax. If the value is below
733
+     * the minimum, it will be clamped to zero. If the value is above the
734
+     * maximum, it will be clamped to the maximum.
735
+     *
736
+     * @param value  Value to clamp
737
+     * @param absMin Absolute value of the minimum significant value to return
738
+     * @param absMax Absolute value of the maximum value to return
739
+     * @return The clamped value with the same sign as <code>value</code>
740
+     */
741
+    private int clampMag(int value, int absMin, int absMax) {
742
+        final int absValue = Math.abs(value);
743
+        if (absValue < absMin)
744
+            return 0;
745
+        if (absValue > absMax)
746
+            return value > 0 ? absMax : -absMax;
747
+        return value;
748
+    }
749
+
750
+    /**
751
+     * Clamp the magnitude of value for absMin and absMax. If the value is below
752
+     * the minimum, it will be clamped to zero. If the value is above the
753
+     * maximum, it will be clamped to the maximum.
754
+     *
755
+     * @param value  Value to clamp
756
+     * @param absMin Absolute value of the minimum significant value to return
757
+     * @param absMax Absolute value of the maximum value to return
758
+     * @return The clamped value with the same sign as <code>value</code>
759
+     */
760
+    private float clampMag(float value, float absMin, float absMax) {
761
+        final float absValue = Math.abs(value);
762
+        if (absValue < absMin)
763
+            return 0;
764
+        if (absValue > absMax)
765
+            return value > 0 ? absMax : -absMax;
766
+        return value;
767
+    }
768
+
769
+    private float distanceInfluenceForSnapDuration(float f) {
770
+        f -= 0.5f; // center the values about 0.
771
+        f *= 0.3f * Math.PI / 2.0f;
772
+        return (float) Math.sin(f);
773
+    }
774
+
775
+    /**
776
+     * Settle the captured view based on standard free-moving fling behavior.
777
+     * The caller should invoke {@link #continueSettling(boolean)} on each
778
+     * subsequent frame to continue the motion until it returns false.
779
+     *
780
+     * @param minLeft Minimum X position for the view's left edge
781
+     * @param minTop  Minimum Y position for the view's top edge
782
+     * @param maxLeft Maximum X position for the view's left edge
783
+     * @param maxTop  Maximum Y position for the view's top edge
784
+     */
785
+    public void flingCapturedView(int minLeft, int minTop, int maxLeft, int maxTop) {
786
+        if (!mReleaseInProgress) {
787
+            throw new IllegalStateException("Cannot flingCapturedView outside of a call to "
788
+                    + "Callback#onViewReleased");
789
+        }
790
+
791
+        mScroller.fling(mCapturedView.getLeft(), mCapturedView.getTop(),
792
+                (int) VelocityTrackerCompat.getXVelocity(mVelocityTracker, mActivePointerId),
793
+                (int) VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId),
794
+                minLeft, maxLeft, minTop, maxTop);
795
+
796
+        setDragState(STATE_SETTLING);
797
+    }
798
+
799
+    /**
800
+     * Move the captured settling view by the appropriate amount for the current
801
+     * time. If <code>continueSettling</code> returns true, the caller should
802
+     * call it again on the next frame to continue.
803
+     *
804
+     * @param deferCallbacks true if state callbacks should be deferred via
805
+     *                       posted message. Set this to true if you are calling this
806
+     *                       method from {@link View#computeScroll()} or
807
+     *                       similar methods invoked as part of layout or drawing.
808
+     * @return true if settle is still in progress
809
+     */
810
+    public boolean continueSettling(boolean deferCallbacks) {
811
+        if (mDragState == STATE_SETTLING) {
812
+            boolean keepGoing = mScroller.computeScrollOffset();
813
+            final int x = mScroller.getCurrX();
814
+            final int y = mScroller.getCurrY();
815
+            final int dx = x - mCapturedView.getLeft();
816
+            final int dy = y - mCapturedView.getTop();
817
+
818
+            if (dx != 0) {
819
+                mCapturedView.offsetLeftAndRight(dx);
820
+            }
821
+            if (dy != 0) {
822
+                mCapturedView.offsetTopAndBottom(dy);
823
+            }
824
+
825
+            if (dx != 0 || dy != 0) {
826
+                mCallback.onViewPositionChanged(mCapturedView, x, y, dx, dy);
827
+            }
828
+
829
+            if (keepGoing && x == mScroller.getFinalX() && y == mScroller.getFinalY()) {
830
+                // Close enough. The interpolator/scroller might think we're
831
+                // still moving
832
+                // but the user sure doesn't.
833
+                mScroller.abortAnimation();
834
+                keepGoing = mScroller.isFinished();
835
+            }
836
+
837
+            if (!keepGoing) {
838
+                if (deferCallbacks) {
839
+                    mParentView.post(mSetIdleRunnable);
840
+                } else {
841
+                    setDragState(STATE_IDLE);
842
+                }
843
+            }
844
+        }
845
+
846
+        return mDragState == STATE_SETTLING;
847
+    }
848
+
849
+    /**
850
+     * Like all callback events this must happen on the UI thread, but release
851
+     * involves some extra semantics. During a release (mReleaseInProgress) is
852
+     * the only time it is valid to call {@link #settleCapturedViewAt(int, int)}
853
+     * or {@link #flingCapturedView(int, int, int, int)}.
854
+     */
855
+    private void dispatchViewReleased(float xvel, float yvel) {
856
+        mReleaseInProgress = true;
857
+        mCallback.onViewReleased(mCapturedView, xvel, yvel);
858
+        mReleaseInProgress = false;
859
+
860
+        if (mDragState == STATE_DRAGGING) {
861
+            // onViewReleased didn't call a method that would have changed this.
862
+            // Go idle.
863
+            setDragState(STATE_IDLE);
864
+        }
865
+    }
866
+
867
+    private void clearMotionHistory() {
868
+        if (mInitialMotionX == null) {
869
+            return;
870
+        }
871
+        Arrays.fill(mInitialMotionX, 0);
872
+        Arrays.fill(mInitialMotionY, 0);
873
+        Arrays.fill(mLastMotionX, 0);
874
+        Arrays.fill(mLastMotionY, 0);
875
+        Arrays.fill(mInitialEdgeTouched, 0);
876
+        Arrays.fill(mEdgeDragsInProgress, 0);
877
+        Arrays.fill(mEdgeDragsLocked, 0);
878
+        mPointersDown = 0;
879
+    }
880
+
881
+    private void clearMotionHistory(int pointerId) {
882
+        if (mInitialMotionX == null) {
883
+            return;
884
+        }
885
+        mInitialMotionX[pointerId] = 0;
886
+        mInitialMotionY[pointerId] = 0;
887
+        mLastMotionX[pointerId] = 0;
888
+        mLastMotionY[pointerId] = 0;
889
+        mInitialEdgeTouched[pointerId] = 0;
890
+        mEdgeDragsInProgress[pointerId] = 0;
891
+        mEdgeDragsLocked[pointerId] = 0;
892
+        mPointersDown &= ~(1 << pointerId);
893
+    }
894
+
895
+    private void ensureMotionHistorySizeForId(int pointerId) {
896
+        if (mInitialMotionX == null || mInitialMotionX.length <= pointerId) {
897
+            float[] imx = new float[pointerId + 1];
898
+            float[] imy = new float[pointerId + 1];
899
+            float[] lmx = new float[pointerId + 1];
900
+            float[] lmy = new float[pointerId + 1];
901
+            int[] iit = new int[pointerId + 1];
902
+            int[] edip = new int[pointerId + 1];
903
+            int[] edl = new int[pointerId + 1];
904
+
905
+            if (mInitialMotionX != null) {
906
+                System.arraycopy(mInitialMotionX, 0, imx, 0, mInitialMotionX.length);
907
+                System.arraycopy(mInitialMotionY, 0, imy, 0, mInitialMotionY.length);
908
+                System.arraycopy(mLastMotionX, 0, lmx, 0, mLastMotionX.length);
909
+                System.arraycopy(mLastMotionY, 0, lmy, 0, mLastMotionY.length);
910
+                System.arraycopy(mInitialEdgeTouched, 0, iit, 0, mInitialEdgeTouched.length);
911
+                System.arraycopy(mEdgeDragsInProgress, 0, edip, 0, mEdgeDragsInProgress.length);
912
+                System.arraycopy(mEdgeDragsLocked, 0, edl, 0, mEdgeDragsLocked.length);
913
+            }
914
+
915
+            mInitialMotionX = imx;
916
+            mInitialMotionY = imy;
917
+            mLastMotionX = lmx;
918
+            mLastMotionY = lmy;
919
+            mInitialEdgeTouched = iit;
920
+            mEdgeDragsInProgress = edip;
921
+            mEdgeDragsLocked = edl;
922
+        }
923
+    }
924
+
925
+    private void saveInitialMotion(float x, float y, int pointerId) {
926
+        ensureMotionHistorySizeForId(pointerId);
927
+        mInitialMotionX[pointerId] = mLastMotionX[pointerId] = x;
928
+        mInitialMotionY[pointerId] = mLastMotionY[pointerId] = y;
929
+        mInitialEdgeTouched[pointerId] = getEdgeTouched((int) x, (int) y);
930
+        mPointersDown |= 1 << pointerId;
931
+    }
932
+
933
+    private void saveLastMotion(MotionEvent ev) {
934
+        final int pointerCount = MotionEventCompat.getPointerCount(ev);
935
+        for (int i = 0; i < pointerCount; i++) {
936
+            final int pointerId = MotionEventCompat.getPointerId(ev, i);
937
+            final float x = MotionEventCompat.getX(ev, i);
938
+            final float y = MotionEventCompat.getY(ev, i);
939
+            mLastMotionX[pointerId] = x;
940
+            mLastMotionY[pointerId] = y;
941
+        }
942
+    }
943
+
944
+    /**
945
+     * Check if the given pointer ID represents a pointer that is currently down
946
+     * (to the best of the ViewDragHelper's knowledge).
947
+     * <p>
948
+     * The state used to report this information is populated by the methods
949
+     * {@link #shouldInterceptTouchEvent(MotionEvent)} or
950
+     * {@link #processTouchEvent(MotionEvent)}. If one of these
951
+     * methods has not been called for all relevant MotionEvents to track, the
952
+     * information reported by this method may be stale or incorrect.
953
+     * </p>
954
+     *
955
+     * @param pointerId pointer ID to check; corresponds to IDs provided by
956
+     *                  MotionEvent
957
+     * @return true if the pointer with the given ID is still down
958
+     */
959
+    public boolean isPointerDown(int pointerId) {
960
+        return (mPointersDown & 1 << pointerId) != 0;
961
+    }
962
+
963
+    void setDragState(int state) {
964
+        if (mDragState != state) {
965
+            mDragState = state;
966
+            mCallback.onViewDragStateChanged(state);
967
+            if (state == STATE_IDLE) {
968
+                mCapturedView = null;
969
+            }
970
+        }
971
+    }
972
+
973
+    /**
974
+     * Attempt to capture the view with the given pointer ID. The callback will
975
+     * be involved. This will put us into the "dragging" state. If we've already
976
+     * captured this view with this pointer this method will immediately return
977
+     * true without consulting the callback.
978
+     *
979
+     * @param toCapture View to capture
980
+     * @param pointerId Pointer to capture with
981
+     * @return true if capture was successful
982
+     */
983
+    boolean tryCaptureViewForDrag(View toCapture, int pointerId) {
984
+        if (toCapture == mCapturedView && mActivePointerId == pointerId) {
985
+            // Already done!
986
+            return true;
987
+        }
988
+        if (toCapture != null && mCallback.tryCaptureView(toCapture, pointerId)) {
989
+            mActivePointerId = pointerId;
990
+            captureChildView(toCapture, pointerId);
991
+            return true;
992
+        }
993
+        return false;
994
+    }
995
+
996
+    /**
997
+     * Tests scrollability within child views of v given a delta of dx.
998
+     *
999
+     * @param v      View to test for horizontal scrollability
1000
+     * @param checkV Whether the view v passed should itself be checked for
1001
+     *               scrollability (true), or just its children (false).
1002
+     * @param dx     Delta scrolled in pixels along the X axis
1003
+     * @param dy     Delta scrolled in pixels along the Y axis
1004
+     * @param x      X coordinate of the active touch point
1005
+     * @param y      Y coordinate of the active touch point
1006
+     * @return true if child views of v can be scrolled by delta of dx.
1007
+     */
1008
+    protected boolean canScroll(View v, boolean checkV, int dx, int dy, int x, int y) {
1009
+        if (v instanceof ViewGroup) {
1010
+            final ViewGroup group = (ViewGroup) v;
1011
+            final int scrollX = v.getScrollX();
1012
+            final int scrollY = v.getScrollY();
1013
+            final int count = group.getChildCount();
1014
+            // Count backwards - let topmost views consume scroll distance
1015
+            // first.
1016
+            for (int i = count - 1; i >= 0; i--) {
1017
+                // TODO: Add versioned support here for transformed views.
1018
+                // This will not work for transformed views in Honeycomb+
1019
+                final View child = group.getChildAt(i);
1020
+                if (x + scrollX >= child.getLeft()
1021
+                        && x + scrollX < child.getRight()
1022
+                        && y + scrollY >= child.getTop()
1023
+                        && y + scrollY < child.getBottom()
1024
+                        && canScroll(child, true, dx, dy, x + scrollX - child.getLeft(), y
1025
+                        + scrollY - child.getTop())) {
1026
+                    return true;
1027
+                }
1028
+            }
1029
+        }
1030
+
1031
+        return checkV
1032
+                && (ViewCompat.canScrollHorizontally(v, -dx) || ViewCompat.canScrollVertically(v,
1033
+                -dy));
1034
+    }
1035
+
1036
+    /**
1037
+     * Check if this event as provided to the parent view's
1038
+     * onInterceptTouchEvent should cause the parent to intercept the touch
1039
+     * event stream.
1040
+     *
1041
+     * @param ev MotionEvent provided to onInterceptTouchEvent
1042
+     * @return true if the parent view should return true from
1043
+     * onInterceptTouchEvent
1044
+     */
1045
+    public boolean shouldInterceptTouchEvent(MotionEvent ev) {
1046
+        final int action = MotionEventCompat.getActionMasked(ev);
1047
+        final int actionIndex = MotionEventCompat.getActionIndex(ev);
1048
+
1049
+        if (action == MotionEvent.ACTION_DOWN) {
1050
+            // Reset things for a new event stream, just in case we didn't get
1051
+            // the whole previous stream.
1052
+            cancel();
1053
+        }
1054
+
1055
+        if (mVelocityTracker == null) {
1056
+            mVelocityTracker = VelocityTracker.obtain();
1057
+        }
1058
+        mVelocityTracker.addMovement(ev);
1059
+
1060
+        switch (action) {
1061
+            case MotionEvent.ACTION_DOWN: {
1062
+                final float x = ev.getX();
1063
+                final float y = ev.getY();
1064
+                final int pointerId = MotionEventCompat.getPointerId(ev, 0);
1065
+                saveInitialMotion(x, y, pointerId);
1066
+
1067
+                final View toCapture = findTopChildUnder((int) x, (int) y);
1068
+
1069
+                // Catch a settling view if possible.
1070
+                if (toCapture == mCapturedView && mDragState == STATE_SETTLING) {
1071
+                    tryCaptureViewForDrag(toCapture, pointerId);
1072
+                }
1073
+
1074
+                final int edgesTouched = mInitialEdgeTouched[pointerId];
1075
+                if ((edgesTouched & mTrackingEdges) != 0) {
1076
+                    mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
1077
+                }
1078
+                break;
1079
+            }
1080
+
1081
+            case MotionEventCompat.ACTION_POINTER_DOWN: {
1082
+                final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
1083
+                final float x = MotionEventCompat.getX(ev, actionIndex);
1084
+                final float y = MotionEventCompat.getY(ev, actionIndex);
1085
+
1086
+                saveInitialMotion(x, y, pointerId);
1087
+
1088
+                // A ViewDragHelper can only manipulate one view at a time.
1089
+                if (mDragState == STATE_IDLE) {
1090
+                    final int edgesTouched = mInitialEdgeTouched[pointerId];
1091
+                    if ((edgesTouched & mTrackingEdges) != 0) {
1092
+                        mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
1093
+                    }
1094
+                } else if (mDragState == STATE_SETTLING) {
1095
+                    // Catch a settling view if possible.
1096
+                    final View toCapture = findTopChildUnder((int) x, (int) y);
1097
+                    if (toCapture == mCapturedView) {
1098
+                        tryCaptureViewForDrag(toCapture, pointerId);
1099
+                    }
1100
+                }
1101
+                break;
1102
+            }
1103
+
1104
+            case MotionEvent.ACTION_MOVE: {
1105
+                // First to cross a touch slop over a draggable view wins. Also
1106
+                // report edge drags.
1107
+                final int pointerCount = MotionEventCompat.getPointerCount(ev);
1108
+                for (int i = 0; i < pointerCount; i++) {
1109
+                    final int pointerId = MotionEventCompat.getPointerId(ev, i);
1110
+                    final float x = MotionEventCompat.getX(ev, i);
1111
+                    final float y = MotionEventCompat.getY(ev, i);
1112
+                    final float dx = x - mInitialMotionX[pointerId];
1113
+                    final float dy = y - mInitialMotionY[pointerId];
1114
+
1115
+                    reportNewEdgeDrags(dx, dy, pointerId);
1116
+                    if (mDragState == STATE_DRAGGING) {
1117
+                        // Callback might have started an edge drag
1118
+                        break;
1119
+                    }
1120
+
1121
+                    final View toCapture = findTopChildUnder((int) x, (int) y);
1122
+                    if (toCapture != null && checkTouchSlop(toCapture, dx, dy)
1123
+                            && tryCaptureViewForDrag(toCapture, pointerId)) {
1124
+                        break;
1125
+                    }
1126
+                }
1127
+                saveLastMotion(ev);
1128
+                break;
1129
+            }
1130
+
1131
+            case MotionEventCompat.ACTION_POINTER_UP: {
1132
+                final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
1133
+                clearMotionHistory(pointerId);
1134
+                break;
1135
+            }
1136
+
1137
+            case MotionEvent.ACTION_UP:
1138
+            case MotionEvent.ACTION_CANCEL: {
1139
+                cancel();
1140
+                break;
1141
+            }
1142
+        }
1143
+
1144
+        return mDragState == STATE_DRAGGING;
1145
+    }
1146
+
1147
+    /**
1148
+     * Process a touch event received by the parent view. This method will
1149
+     * dispatch callback events as needed before returning. The parent view's
1150
+     * onTouchEvent implementation should call this.
1151
+     *
1152
+     * @param ev The touch event received by the parent view
1153
+     */
1154
+    public void processTouchEvent(MotionEvent ev) {
1155
+        final int action = MotionEventCompat.getActionMasked(ev);
1156
+        final int actionIndex = MotionEventCompat.getActionIndex(ev);
1157
+
1158
+        if (action == MotionEvent.ACTION_DOWN) {
1159
+            // Reset things for a new event stream, just in case we didn't get
1160
+            // the whole previous stream.
1161
+            cancel();
1162
+        }
1163
+
1164
+        if (mVelocityTracker == null) {
1165
+            mVelocityTracker = VelocityTracker.obtain();
1166
+        }
1167
+        mVelocityTracker.addMovement(ev);
1168
+
1169
+        switch (action) {
1170
+            case MotionEvent.ACTION_DOWN: {
1171
+                final float x = ev.getX();
1172
+                final float y = ev.getY();
1173
+                final int pointerId = MotionEventCompat.getPointerId(ev, 0);
1174
+                final View toCapture = findTopChildUnder((int) x, (int) y);
1175
+
1176
+                saveInitialMotion(x, y, pointerId);
1177
+
1178
+                // Since the parent is already directly processing this touch
1179
+                // event,
1180
+                // there is no reason to delay for a slop before dragging.
1181
+                // Start immediately if possible.
1182
+                tryCaptureViewForDrag(toCapture, pointerId);
1183
+
1184
+                final int edgesTouched = mInitialEdgeTouched[pointerId];
1185
+                if ((edgesTouched & mTrackingEdges) != 0) {
1186
+                    mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
1187
+                }
1188
+                break;
1189
+            }
1190
+
1191
+            case MotionEventCompat.ACTION_POINTER_DOWN: {
1192
+                final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
1193
+                final float x = MotionEventCompat.getX(ev, actionIndex);
1194
+                final float y = MotionEventCompat.getY(ev, actionIndex);
1195
+
1196
+                saveInitialMotion(x, y, pointerId);
1197
+
1198
+                // A ViewDragHelper can only manipulate one view at a time.
1199
+                if (mDragState == STATE_IDLE) {
1200
+                    // If we're idle we can do anything! Treat it like a normal
1201
+                    // down event.
1202
+
1203
+                    final View toCapture = findTopChildUnder((int) x, (int) y);
1204
+                    tryCaptureViewForDrag(toCapture, pointerId);
1205
+
1206
+                    final int edgesTouched = mInitialEdgeTouched[pointerId];
1207
+                    if ((edgesTouched & mTrackingEdges) != 0) {
1208
+                        mCallback.onEdgeTouched(edgesTouched & mTrackingEdges, pointerId);
1209
+                    }
1210
+                } else if (isCapturedViewUnder((int) x, (int) y)) {
1211
+                    // We're still tracking a captured view. If the same view is
1212
+                    // under this
1213
+                    // point, we'll swap to controlling it with this pointer
1214
+                    // instead.
1215
+                    // (This will still work if we're "catching" a settling
1216
+                    // view.)
1217
+
1218
+                    tryCaptureViewForDrag(mCapturedView, pointerId);
1219
+                }
1220
+                break;
1221
+            }
1222
+
1223
+            case MotionEvent.ACTION_MOVE: {
1224
+                if (mDragState == STATE_DRAGGING) {
1225
+                    final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
1226
+                    final float x = MotionEventCompat.getX(ev, index);
1227
+                    final float y = MotionEventCompat.getY(ev, index);
1228
+                    final int idx = (int) (x - mLastMotionX[mActivePointerId]);
1229
+                    final int idy = (int) (y - mLastMotionY[mActivePointerId]);
1230
+
1231
+                    dragTo(mCapturedView.getLeft() + idx, mCapturedView.getTop() + idy, idx, idy);
1232
+
1233
+                    saveLastMotion(ev);
1234
+                } else {
1235
+                    // Check to see if any pointer is now over a draggable view.
1236
+                    final int pointerCount = MotionEventCompat.getPointerCount(ev);
1237
+                    for (int i = 0; i < pointerCount; i++) {
1238
+                        final int pointerId = MotionEventCompat.getPointerId(ev, i);
1239
+                        final float x = MotionEventCompat.getX(ev, i);
1240
+                        final float y = MotionEventCompat.getY(ev, i);
1241
+                        final float dx = x - mInitialMotionX[pointerId];
1242
+                        final float dy = y - mInitialMotionY[pointerId];
1243
+
1244
+                        reportNewEdgeDrags(dx, dy, pointerId);
1245
+                        if (mDragState == STATE_DRAGGING) {
1246
+                            // Callback might have started an edge drag.
1247
+                            break;
1248
+                        }
1249
+
1250
+                        final View toCapture = findTopChildUnder((int) x, (int) y);
1251
+                        if (checkTouchSlop(toCapture, dx, dy)
1252
+                                && tryCaptureViewForDrag(toCapture, pointerId)) {
1253
+                            break;
1254
+                        }
1255
+                    }
1256
+                    saveLastMotion(ev);
1257
+                }
1258
+                break;
1259
+            }
1260
+
1261
+            case MotionEventCompat.ACTION_POINTER_UP: {
1262
+                final int pointerId = MotionEventCompat.getPointerId(ev, actionIndex);
1263
+                if (mDragState == STATE_DRAGGING && pointerId == mActivePointerId) {
1264
+                    // Try to find another pointer that's still holding on to
1265
+                    // the captured view.
1266
+                    int newActivePointer = INVALID_POINTER;
1267
+                    final int pointerCount = MotionEventCompat.getPointerCount(ev);
1268
+                    for (int i = 0; i < pointerCount; i++) {
1269
+                        final int id = MotionEventCompat.getPointerId(ev, i);
1270
+                        if (id == mActivePointerId) {
1271
+                            // This one's going away, skip.
1272
+                            continue;
1273
+                        }
1274
+
1275
+                        final float x = MotionEventCompat.getX(ev, i);
1276
+                        final float y = MotionEventCompat.getY(ev, i);
1277
+                        if (findTopChildUnder((int) x, (int) y) == mCapturedView
1278
+                                && tryCaptureViewForDrag(mCapturedView, id)) {
1279
+                            newActivePointer = mActivePointerId;
1280
+                            break;
1281
+                        }
1282
+                    }
1283
+
1284
+                    if (newActivePointer == INVALID_POINTER) {
1285
+                        // We didn't find another pointer still touching the
1286
+                        // view, release it.
1287
+                        releaseViewForPointerUp();
1288
+                    }
1289
+                }
1290
+                clearMotionHistory(pointerId);
1291
+                break;
1292
+            }
1293
+
1294
+            case MotionEvent.ACTION_UP: {
1295
+                if (mDragState == STATE_DRAGGING) {
1296
+                    releaseViewForPointerUp();
1297
+                }
1298
+                cancel();
1299
+                break;
1300
+            }
1301
+
1302
+            case MotionEvent.ACTION_CANCEL: {
1303
+                if (mDragState == STATE_DRAGGING) {
1304
+                    dispatchViewReleased(0, 0);
1305
+                }
1306
+                cancel();
1307
+                break;
1308
+            }
1309
+        }
1310
+    }
1311
+
1312
+    private void reportNewEdgeDrags(float dx, float dy, int pointerId) {
1313
+        int dragsStarted = 0;
1314
+        if (checkNewEdgeDrag(dx, dy, pointerId, EDGE_LEFT)) {
1315
+            dragsStarted |= EDGE_LEFT;
1316
+        }
1317
+        if (checkNewEdgeDrag(dy, dx, pointerId, EDGE_TOP)) {
1318
+            dragsStarted |= EDGE_TOP;
1319
+        }
1320
+        if (checkNewEdgeDrag(dx, dy, pointerId, EDGE_RIGHT)) {
1321
+            dragsStarted |= EDGE_RIGHT;
1322
+        }
1323
+        if (checkNewEdgeDrag(dy, dx, pointerId, EDGE_BOTTOM)) {
1324
+            dragsStarted |= EDGE_BOTTOM;
1325
+        }
1326
+
1327
+        if (dragsStarted != 0) {
1328
+            mEdgeDragsInProgress[pointerId] |= dragsStarted;
1329
+            mCallback.onEdgeDragStarted(dragsStarted, pointerId);
1330
+        }
1331
+    }
1332
+
1333
+    private boolean checkNewEdgeDrag(float delta, float odelta, int pointerId, int edge) {
1334
+        final float absDelta = Math.abs(delta);
1335
+        final float absODelta = Math.abs(odelta);
1336
+
1337
+        if ((mInitialEdgeTouched[pointerId] & edge) != edge || (mTrackingEdges & edge) == 0
1338
+                || (mEdgeDragsLocked[pointerId] & edge) == edge
1339
+                || (mEdgeDragsInProgress[pointerId] & edge) == edge
1340
+                || (absDelta <= mTouchSlop && absODelta <= mTouchSlop)) {
1341
+            return false;
1342
+        }
1343
+        if (absDelta < absODelta * 0.5f && mCallback.onEdgeLock(edge)) {
1344
+            mEdgeDragsLocked[pointerId] |= edge;
1345
+            return false;
1346
+        }
1347
+        return (mEdgeDragsInProgress[pointerId] & edge) == 0 && absDelta > mTouchSlop;
1348
+    }
1349
+
1350
+    /**
1351
+     * Check if we've crossed a reasonable touch slop for the given child view.
1352
+     * If the child cannot be dragged along the horizontal or vertical axis,
1353
+     * motion along that axis will not count toward the slop check.
1354
+     *
1355
+     * @param child Child to check
1356
+     * @param dx    Motion since initial position along X axis
1357
+     * @param dy    Motion since initial position along Y axis
1358
+     * @return true if the touch slop has been crossed
1359
+     */
1360
+    private boolean checkTouchSlop(View child, float dx, float dy) {
1361
+        if (child == null) {
1362
+            return false;
1363
+        }
1364
+        final boolean checkHorizontal = mCallback.getViewHorizontalDragRange(child) > 0;
1365
+        final boolean checkVertical = mCallback.getViewVerticalDragRange(child) > 0;
1366
+
1367
+        if (checkHorizontal && checkVertical) {
1368
+            return dx * dx + dy * dy > mTouchSlop * mTouchSlop;
1369
+        } else if (checkHorizontal) {
1370
+            return Math.abs(dx) > mTouchSlop;
1371
+        } else if (checkVertical) {
1372
+            return Math.abs(dy) > mTouchSlop;
1373
+        }
1374
+        return false;
1375
+    }
1376
+
1377
+    /**
1378
+     * Check if any pointer tracked in the current gesture has crossed the
1379
+     * required slop threshold.
1380
+     * <p>
1381
+     * This depends on internal state populated by
1382
+     * {@link #shouldInterceptTouchEvent(MotionEvent)} or
1383
+     * {@link #processTouchEvent(MotionEvent)}. You should only
1384
+     * rely on the results of this method after all currently available touch
1385
+     * data has been provided to one of these two methods.
1386
+     * </p>
1387
+     *
1388
+     * @param directions Combination of direction flags, see
1389
+     *                   {@link #DIRECTION_HORIZONTAL}, {@link #DIRECTION_VERTICAL},
1390
+     *                   {@link #DIRECTION_ALL}
1391
+     * @return true if the slop threshold has been crossed, false otherwise
1392
+     */
1393
+    public boolean checkTouchSlop(int directions) {
1394
+        final int count = mInitialMotionX.length;
1395
+        for (int i = 0; i < count; i++) {
1396
+            if (checkTouchSlop(directions, i)) {
1397
+                return true;
1398
+            }
1399
+        }
1400
+        return false;
1401
+    }
1402
+
1403
+    /**
1404
+     * Check if the specified pointer tracked in the current gesture has crossed
1405
+     * the required slop threshold.
1406
+     * <p>
1407
+     * This depends on internal state populated by
1408
+     * {@link #shouldInterceptTouchEvent(MotionEvent)} or
1409
+     * {@link #processTouchEvent(MotionEvent)}. You should only
1410
+     * rely on the results of this method after all currently available touch
1411
+     * data has been provided to one of these two methods.
1412
+     * </p>
1413
+     *
1414
+     * @param directions Combination of direction flags, see
1415
+     *                   {@link #DIRECTION_HORIZONTAL}, {@link #DIRECTION_VERTICAL},
1416
+     *                   {@link #DIRECTION_ALL}
1417
+     * @param pointerId  ID of the pointer to slop check as specified by
1418
+     *                   MotionEvent
1419
+     * @return true if the slop threshold has been crossed, false otherwise
1420
+     */
1421
+    public boolean checkTouchSlop(int directions, int pointerId) {
1422
+        if (!isPointerDown(pointerId)) {
1423
+            return false;
1424
+        }
1425
+
1426
+        final boolean checkHorizontal = (directions & DIRECTION_HORIZONTAL) == DIRECTION_HORIZONTAL;
1427
+        final boolean checkVertical = (directions & DIRECTION_VERTICAL) == DIRECTION_VERTICAL;
1428
+
1429
+        final float dx = mLastMotionX[pointerId] - mInitialMotionX[pointerId];
1430
+        final float dy = mLastMotionY[pointerId] - mInitialMotionY[pointerId];
1431
+
1432
+        if (checkHorizontal && checkVertical) {
1433
+            return dx * dx + dy * dy > mTouchSlop * mTouchSlop;
1434
+        } else if (checkHorizontal) {
1435
+            return Math.abs(dx) > mTouchSlop;
1436
+        } else if (checkVertical) {
1437
+            return Math.abs(dy) > mTouchSlop;
1438
+        }
1439
+        return false;
1440
+    }
1441
+
1442
+    /**
1443
+     * Check if any of the edges specified were initially touched in the
1444
+     * currently active gesture. If there is no currently active gesture this
1445
+     * method will return false.
1446
+     *
1447
+     * @param edges Edges to check for an initial edge touch. See
1448
+     *              {@link #EDGE_LEFT}, {@link #EDGE_TOP}, {@link #EDGE_RIGHT},
1449
+     *              {@link #EDGE_BOTTOM} and {@link #EDGE_ALL}
1450
+     * @return true if any of the edges specified were initially touched in the
1451
+     * current gesture
1452
+     */
1453
+    public boolean isEdgeTouched(int edges) {
1454
+        final int count = mInitialEdgeTouched.length;
1455
+        for (int i = 0; i < count; i++) {
1456
+            if (isEdgeTouched(edges, i)) {
1457
+                return true;
1458
+            }
1459
+        }
1460
+        return false;
1461
+    }
1462
+
1463
+    /**
1464
+     * Check if any of the edges specified were initially touched by the pointer
1465
+     * with the specified ID. If there is no currently active gesture or if
1466
+     * there is no pointer with the given ID currently down this method will
1467
+     * return false.
1468
+     *
1469
+     * @param edges Edges to check for an initial edge touch. See
1470
+     *              {@link #EDGE_LEFT}, {@link #EDGE_TOP}, {@link #EDGE_RIGHT},
1471
+     *              {@link #EDGE_BOTTOM} and {@link #EDGE_ALL}
1472
+     * @return true if any of the edges specified were initially touched in the
1473
+     * current gesture
1474
+     */
1475
+    public boolean isEdgeTouched(int edges, int pointerId) {
1476
+        return isPointerDown(pointerId) && (mInitialEdgeTouched[pointerId] & edges) != 0;
1477
+    }
1478
+
1479
+    private void releaseViewForPointerUp() {
1480
+        mVelocityTracker.computeCurrentVelocity(1000, mMaxVelocity);
1481
+        final float xvel = clampMag(
1482
+                VelocityTrackerCompat.getXVelocity(mVelocityTracker, mActivePointerId),
1483
+                mMinVelocity, mMaxVelocity);
1484
+        final float yvel = clampMag(
1485
+                VelocityTrackerCompat.getYVelocity(mVelocityTracker, mActivePointerId),
1486
+                mMinVelocity, mMaxVelocity);
1487
+        dispatchViewReleased(xvel, yvel);
1488
+    }
1489
+
1490
+    private void dragTo(int left, int top, int dx, int dy) {
1491
+        int clampedX = left;
1492
+        int clampedY = top;
1493
+        final int oldLeft = mCapturedView.getLeft();
1494
+        final int oldTop = mCapturedView.getTop();
1495
+        if (dx != 0) {
1496
+            clampedX = mCallback.clampViewPositionHorizontal(mCapturedView, left, dx);
1497
+            mCapturedView.offsetLeftAndRight(clampedX - oldLeft);
1498
+        }
1499
+        if (dy != 0) {
1500
+            clampedY = mCallback.clampViewPositionVertical(mCapturedView, top, dy);
1501
+            mCapturedView.offsetTopAndBottom(clampedY - oldTop);
1502
+        }
1503
+
1504
+        if (dx != 0 || dy != 0) {
1505
+            final int clampedDx = clampedX - oldLeft;
1506
+            final int clampedDy = clampedY - oldTop;
1507
+            mCallback
1508
+                    .onViewPositionChanged(mCapturedView, clampedX, clampedY, clampedDx, clampedDy);
1509
+        }
1510
+    }
1511
+
1512
+    /**
1513
+     * Determine if the currently captured view is under the given point in the
1514
+     * parent view's coordinate system. If there is no captured view this method
1515
+     * will return false.
1516
+     *
1517
+     * @param x X position to test in the parent's coordinate system
1518
+     * @param y Y position to test in the parent's coordinate system
1519
+     * @return true if the captured view is under the given point, false
1520
+     * otherwise
1521
+     */
1522
+    public boolean isCapturedViewUnder(int x, int y) {
1523
+        return isViewUnder(mCapturedView, x, y);
1524
+    }
1525
+
1526
+    /**
1527
+     * Determine if the supplied view is under the given point in the parent
1528
+     * view's coordinate system.
1529
+     *
1530
+     * @param view Child view of the parent to hit test
1531
+     * @param x    X position to test in the parent's coordinate system
1532
+     * @param y    Y position to test in the parent's coordinate system
1533
+     * @return true if the supplied view is under the given point, false
1534
+     * otherwise
1535
+     */
1536
+    public boolean isViewUnder(View view, int x, int y) {
1537
+        if (view == null) {
1538
+            return false;
1539
+        }
1540
+        return x >= view.getLeft() && x < view.getRight() && y >= view.getTop()
1541
+                && y < view.getBottom();
1542
+    }
1543
+
1544
+    /**
1545
+     * Find the topmost child under the given point within the parent view's
1546
+     * coordinate system. The child order is determined using
1547
+     * {@link me.imid.swipebacklayout.lib.ViewDragHelper.Callback#getOrderedChildIndex(int)}
1548
+     * .
1549
+     *
1550
+     * @param x X position to test in the parent's coordinate system
1551
+     * @param y Y position to test in the parent's coordinate system
1552
+     * @return The topmost child view under (x, y) or null if none found.
1553
+     */
1554
+    public View findTopChildUnder(int x, int y) {
1555
+        final int childCount = mParentView.getChildCount();
1556
+        for (int i = childCount - 1; i >= 0; i--) {
1557
+            final View child = mParentView.getChildAt(mCallback.getOrderedChildIndex(i));
1558
+            if (x >= child.getLeft() && x < child.getRight() && y >= child.getTop()
1559
+                    && y < child.getBottom()) {
1560
+                return child;
1561
+            }
1562
+        }
1563
+        return null;
1564
+    }
1565
+
1566
+    private int getEdgeTouched(int x, int y) {
1567
+        int result = 0;
1568
+
1569
+        if (x < mParentView.getLeft() + mEdgeSize)
1570
+            result = EDGE_LEFT;
1571
+        if (y < mParentView.getTop() + mEdgeSize)
1572
+            result = EDGE_TOP;
1573
+        if (x > mParentView.getRight() - mEdgeSize)
1574
+            result = EDGE_RIGHT;
1575
+        if (y > mParentView.getBottom() - mEdgeSize)
1576
+            result = EDGE_BOTTOM;
1577
+
1578
+        return result;
1579
+    }
1580
+}

BIN
views/src/main/res/drawable/shadow_bottom.png


BIN
views/src/main/res/drawable/shadow_left.png


BIN
views/src/main/res/drawable/shadow_right.png


+ 6 - 0
views/src/main/res/layout/swipeback_layout.xml

@@ -0,0 +1,6 @@
1
+<?xml version="1.0" encoding="utf-8"?>
2
+<com.android.views.swipebacklayout.SwipeBackLayout xmlns:android="http://schemas.android.com/apk/res/android"
3
+    android:id="@+id/swipe"
4
+    android:layout_width="match_parent"
5
+    android:layout_height="match_parent" />
6
+    

+ 14 - 0
views/src/main/res/values/attrs.xml

@@ -73,4 +73,18 @@
73 73
         </attr>
74 74
     </declare-styleable>
75 75
 
76
+    <declare-styleable name="SwipeBackLayout">
77
+        <attr name="edge_size" format="dimension"/>
78
+        <attr name="edge_flag">
79
+            <enum name="left" value="0" />
80
+            <enum name="right" value="1" />
81
+            <enum name="bottom" value="2" />
82
+            <enum name="all" value="3" />
83
+        </attr>
84
+        <attr name="shadow_left" format="reference"/>
85
+        <attr name="shadow_right" format="reference"/>
86
+        <attr name="shadow_bottom" format="reference"/>
87
+    </declare-styleable>
88
+
89
+    <attr name="SwipeBackLayoutStyle" format="reference"/>
76 90
 </resources>

+ 8 - 17
views/src/main/res/values/styles.xml

@@ -6,21 +6,12 @@
6 6
         <item name="android:background">@color/line_bg</item>
7 7
         <item name="android:layout_margin">2dp</item>
8 8
     </style>
9
-    <declare-styleable name="SwipeLayout">
10
-        <attr name="drag_edge">
11
-            <flag name="left" value="1" />
12
-            <flag name="right" value="2" />
13
-            <flag name="top" value="4" />
14
-            <flag name="bottom" value="8" />
15
-        </attr>
16
-        <attr name="leftEdgeSwipeOffset" format="dimension" />
17
-        <attr name="rightEdgeSwipeOffset" format="dimension" />
18
-        <attr name="topEdgeSwipeOffset" format="dimension" />
19
-        <attr name="bottomEdgeSwipeOffset" format="dimension" />
20
-        <attr name="show_mode" format="enum">
21
-            <enum name="lay_down" value="0" />
22
-            <enum name="pull_out" value="1" />
23
-        </attr>
24
-        <attr name="clickToClose" format="boolean" />
25
-    </declare-styleable>
9
+
10
+    <style name="SwipeBackLayout">
11
+        <item name="edge_size">50dip</item>
12
+        <item name="shadow_left">@drawable/shadow_left</item>
13
+        <item name="shadow_right">@drawable/shadow_right</item>
14
+        <item name="shadow_bottom">@drawable/shadow_bottom</item>
15
+    </style>
16
+
26 17
 </resources>