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全屏页群内照片遍历，加载更多

chengzhenyu преди 8 години
родител
2ca61fe2f6
ревизия
c282812025
променени са 4 файла, в които са добавени 134 реда и са изтрити 3 реда
Покажи статистика за разликите
  1. 1 0
      app/src/main/java/ai/pai/client/activity/PhotoDetailsActivity.java
  2. 111 2
      app/src/main/java/ai/pai/client/activity/PhotoFullScreenActivity.java
  3. 17 1
      app/src/main/java/ai/pai/client/adapter/DetailPhotoPageAdapter.java
  4. 5 0
      app/src/main/java/ai/pai/client/adapter/FullScreenPhotoPageAdapter.java

+ 1 - 0
app/src/main/java/ai/pai/client/activity/PhotoDetailsActivity.java
Преглед на файла 

@@ -150,6 +150,7 @@ public class PhotoDetailsActivity extends BaseActivity implements View.OnClickLi
150 150 
         initViews();
151 151 
         photoPageAdapter = new DetailPhotoPageAdapter(this,photoList);
152 152 
         photoPager.setAdapter(photoPageAdapter);
153 
+        photoPageAdapter.setFromGroup(fromGroupPage);
153 154 
         photoPager.addOnPageChangeListener(this);
154 155 
         photoPager.setCurrentItem(photoList.indexOf(currentPhotoItem));
155 156 
         updateDetailHead();

+ 111 - 2
app/src/main/java/ai/pai/client/activity/PhotoFullScreenActivity.java
Преглед на файла 

@@ -17,18 +17,26 @@ import com.android.common.utils.LogHelper;
17 17 
 import com.android.views.progressbar.ProgressWheel;
18 18 
 import com.umeng.analytics.MobclickAgent;
19 19
20 
+import org.json.JSONArray;
21 
+import org.json.JSONObject;
22 
+
20 23 
 import java.io.File;
21 24 
 import java.io.FileOutputStream;
22 25 
 import java.io.InputStream;
23 26 
 import java.net.HttpURLConnection;
24 27 
 import java.net.URL;
25 28 
 import java.util.ArrayList;
29 
+import java.util.HashMap;
26 30
27 31 
 import ai.pai.client.BuildConfig;
28 32 
 import ai.pai.client.R;
29 33 
 import ai.pai.client.adapter.FullScreenPhotoPageAdapter;
30 34 
 import ai.pai.client.beans.GroupPhotoItem;
35 
+import ai.pai.client.db.DBService;
36 
+import ai.pai.client.db.Preferences;
37 
+import ai.pai.client.utils.HttpPostTask;
31 38 
 import ai.pai.client.utils.UmengEvent;
39 
+import ai.pai.client.utils.UrlContainer;
32 40 
 import ai.pai.client.views.HackyViewPager;
33 41
34 42 
 public class PhotoFullScreenActivity extends BaseActivity implements View.OnClickListener, ViewPager.OnPageChangeListener {
 
@@ -38,6 +46,10 @@ public class PhotoFullScreenActivity extends BaseActivity implements View.OnClic
38 46 
     private GroupPhotoItem currentPhotoItem;
39 47 
     private ProgressWheel spinner;
40 48 
     private SavePhotoTask savePhotoTask;
49 
+    private FullScreenPhotoPageAdapter photoPageAdapter;
50 
+    private HttpPostTask fetchPhotosTask;
51 
+    private int currentGroupPhotoId;
52 
+    private boolean fromGroupPage;
41 53
42 54 
     @Override
43 55 
     protected void onCreate(Bundle savedInstanceState) {
 
@@ -46,9 +58,16 @@ public class PhotoFullScreenActivity extends BaseActivity implements View.OnClic
46 58
47 59 
         photoList = (ArrayList<GroupPhotoItem>) getIntent().getSerializableExtra("list");
48 60 
         currentPhotoItem = (GroupPhotoItem) getIntent().getSerializableExtra("photo_item");
61 
+        fromGroupPage = getIntent().getBooleanExtra("fromGroup",false);
62 
+        if(fromGroupPage){
63 
+            currentGroupPhotoId=  DBService.getInstance(this).getCurrentIdByGroupId(currentPhotoItem.groupId);
64 
+        }
65 
+        if(photoList.size()>=300){
66 
+            currentGroupPhotoId = 0;
67 
+        }
49 68 
         HackyViewPager photoPager = (HackyViewPager) findViewById(R.id.pager_photo);
50 69 
         spinner = (ProgressWheel)findViewById(R.id.wheel_wait_http);
51 
-        FullScreenPhotoPageAdapter photoPageAdapter = new FullScreenPhotoPageAdapter(this, photoList,photoPager);
70 
+        photoPageAdapter = new FullScreenPhotoPageAdapter(this, photoList,photoPager);
52 71 
         photoPager.setAdapter(photoPageAdapter);
53 72 
         photoPager.addOnPageChangeListener(this);
54 73 
         photoPager.setCurrentItem(photoList.indexOf(currentPhotoItem));
 
@@ -90,12 +109,22 @@ public class PhotoFullScreenActivity extends BaseActivity implements View.OnClic
90 109
91 110 
     @Override
92 111 
     public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
93 
-
112 
+        if(position==photoList.size()-1){
113 
+            if(fetchPhotosTask!=null && fetchPhotosTask.getStatus()== AsyncTask.Status.RUNNING){
114 
+                Toast.makeText(this,R.string.please_wait,Toast.LENGTH_SHORT).show();
115 
+            }
116 
+        }
94 117 
     }
95 118
96 119 
     @Override
97 120 
     public void onPageSelected(int position) {
98 121 
         currentPhotoItem = photoList.get(position);
122 
+        if(position>=photoList.size()-1){
123 
+            Bundle bundle = new Bundle();
124 
+            bundle.putString("group_id",currentPhotoItem.groupId);
125 
+            bundle.putString("current_id",String.valueOf(currentGroupPhotoId));
126 
+            loadMoreGroupPhotos(bundle);
127 
+        }
99 128 
     }
100 129
101 130 
     @Override
 
@@ -103,6 +132,86 @@ public class PhotoFullScreenActivity extends BaseActivity implements View.OnClic
103 132
104 133 
     }
105 134
135 
+    private synchronized void loadMoreGroupPhotos(final Bundle bundle){
136 
+        if(fetchPhotosTask!=null && fetchPhotosTask.getStatus()== AsyncTask.Status.RUNNING){
137 
+            return;
138 
+        }
139 
+        HashMap<String,String> params = new HashMap<>();
140 
+        params.put("group_id",bundle.getString("group_id"));
141 
+        params.put("user_id", Preferences.getInstance(this).getUserId());
142 
+        params.put("current_id",bundle.getString("current_id"));
143 
+        LogHelper.d(TAG,"loadMoreGroupPhotos with local currentId = "+bundle.getString("current_id"));
144 
+
145 
+        fetchPhotosTask = new HttpPostTask(this,params) {
146 
+            ArrayList<GroupPhotoItem>  photoItems;
147 
+            String  groupId = bundle.getString("group_id");
148 
+            @Override
149 
+            protected boolean parseResponse(Context context, String response) {
150 
+                try{
151 
+                    JSONObject json = new JSONObject(response);
152 
+                    int status = json.getInt("status");
153 
+                    if(status == 200){
154 
+                        LogHelper.d(TAG,"group service loadMoreGroupPhotos  parseResponse status 200");
155 
+                        JSONObject info = json.getJSONObject("data");
156 
+                        if(currentGroupPhotoId==info.getInt("current_id")){
157 
+                            return false;
158 
+                        }
159 
+                        JSONArray sessionArray = info.getJSONArray("photos");
160 
+                        if(sessionArray!=null && sessionArray.length()>0) {
161 
+                            photoItems = new ArrayList<>();
162 
+                            for(int k = 0; k<sessionArray.length();k++){
163 
+                                JSONObject sessionObj = sessionArray.getJSONObject(k);
164 
+                                String sessionId = sessionObj.getString("session_id");
165 
+                                JSONArray photoArray = sessionObj.getJSONArray("photos");
166 
+                                if(photoArray!=null && photoArray.length()>0){
167 
+                                    for(int m = 0; m<photoArray.length();m++){
168 
+                                        JSONObject photoObj = photoArray.getJSONObject(m);
169 
+                                        GroupPhotoItem groupPhotoItem = GroupPhotoItem.parseFromJSON(photoObj);
170 
+                                        groupPhotoItem.sessionId = sessionId;
171 
+                                        photoItems.add(groupPhotoItem);
172 
+                                    }
173 
+                                }
174 
+                            }
175 
+                            LogHelper.d(TAG,"group service loadMoreGroupPhotos  get new photos ,count="+photoItems.size());
176 
+                        }
177 
+
178 
+                        currentGroupPhotoId = info.getInt("current_id");
179 
+                        LogHelper.d(TAG,"loadMoreGroupPhotos with server currentId = "+currentGroupPhotoId+"groupId="+groupId);
180 
+                        return true;
181 
+                    }
182 
+                }catch (Exception e){
183 
+                    LogHelper.e(TAG,"group service loadMoreGroupPhotos error happen "+e);
184 
+                }
185 
+                return false;
186 
+            }
187 
+
188 
+            @Override
189 
+            protected void onPostFail(Context context) {
190 
+                super.onPostFail(context);
191 
+
192 
+            }
193 
+
194 
+            @Override
195 
+            protected void onPostSuccess(Context context) {
196 
+                super.onPostSuccess(context);
197 
+
198 
+                if(photoItems!=null && photoItems.size()>0){
199 
+                    ArrayList<GroupPhotoItem> newPhotos = new ArrayList<>();
200 
+                    for(GroupPhotoItem photoItem : photoItems){
201 
+                        if(!photoList.contains(photoItem)){
202 
+                            newPhotos.add(photoItem);
203 
+                        }
204 
+                    }
205 
+                    if(newPhotos.size()==0){
206 
+                        return;
207 
+                    }
208 
+                    photoList.addAll(newPhotos);
209 
+                    photoPageAdapter.addPhotos(newPhotos);
210 
+                }
211 
+            }
212 
+        };
213 
+        fetchPhotosTask.executeOnExecutor(ThreadExecutor.getInstance().getExecutor(), UrlContainer.GROUP_PHOTO_LIST_URL);
214 
+    }
106 215 
      class SavePhotoTask extends AsyncTask<String, Integer, Boolean> {
107 216
108 217 
         private Context context;

+ 17 - 1
app/src/main/java/ai/pai/client/adapter/DetailPhotoPageAdapter.java
Преглед на файла 

@@ -34,6 +34,7 @@ public class DetailPhotoPageAdapter extends PagerAdapter {
34 34 
     private Context context;
35 35 
     private LayoutInflater inflater;
36 36 
     private DisplayImageOptions options;
37 
+    private boolean fromGroup;
37 38
38 39 
     public DetailPhotoPageAdapter(Context context, ArrayList<GroupPhotoItem> photoList) {
39 40 
         this.context = context;
 
@@ -71,8 +72,19 @@ public class DetailPhotoPageAdapter extends PagerAdapter {
71 72 
             public void onClick(View v) {
72 73 
                 GroupPhotoItem photoItem = photoList.get(position);
73 74 
                 Intent intent = new Intent(context, PhotoFullScreenActivity.class);
74 
-                intent.putExtra("list",photoList);
75 
+                ArrayList<GroupPhotoItem> groupPhotoList = new ArrayList<>();
76 
+                if(photoList.size()<300){
77 
+                    groupPhotoList.addAll(photoList);
78 
+                }else{
79 
+                    if(position>10){
80 
+                        groupPhotoList.addAll(photoList.subList(position-9,position+290>photoList.size()?photoList.size():position+290));
81 
+                    }else{
82 
+                        groupPhotoList.addAll(photoList.subList(0,300));
83 
+                    }
84 
+                }
85 
+                intent.putExtra("list",groupPhotoList);
75 86 
                 intent.putExtra("photo_item",photoItem);
87 
+                intent.putExtra("fromGroup",fromGroup);
76 88 
                 context.startActivity(intent);
77 89 
             }
78 90 
         });
 
@@ -123,4 +135,8 @@ public class DetailPhotoPageAdapter extends PagerAdapter {
123 135 
         notifyDataSetChanged();
124 136 
     }
125 137
138 
+    public void setFromGroup(boolean fromGroup){
139 
+        this.fromGroup = fromGroup;
140 
+    }
141 
+
126 142 
 }

+ 5 - 0
app/src/main/java/ai/pai/client/adapter/FullScreenPhotoPageAdapter.java
Преглед на файла 

@@ -149,4 +149,9 @@ public class FullScreenPhotoPageAdapter extends PagerAdapter implements TouchIma
149 149 
     public void onZoomModeChanged(boolean isZoomed) {
150 150 
         pager.setLocked(isZoomed);
151 151 
     }
152 
+
153 
+    public void addPhotos(ArrayList<GroupPhotoItem> photoItems){
154 
+        photoList.addAll(photoItems);
155 
+        notifyDataSetChanged();
156 
+    }
152 157 
 }