app/src/main/java/ai/pai/lensman/session/SessionActivity.java

@@ -8,6 +8,7 @@ import android.support.v7.widget.LinearLayoutManager;

                 import android.support.v7.widget.RecyclerView;
              

                 import android.support.v7.widget.helper.ItemTouchHelper;
              

                 import android.view.View;
              

                +import android.widget.ImageView;
              

                 import android.widget.TextView;
              

                 import android.widget.Toast;
              

                 
              
@@ -29,6 +30,7 @@ public class SessionActivity extends BaseActivity implements SessionContract.Vie

                     @BindView(R.id.icon_no_data)         View noPhotoLayout;
              

                     @BindView(R.id.title_bar_middle_txt) TextView titleTextView;
              

                     @BindView(R.id.recycler_view_photos) RecyclerView photosRecyclerView;
              

                +    @BindView(R.id.iv_qrcode)           ImageView qrcodeScanBtn;
              

                     private PhotoRecyclerAdapter adapter;
              

                     private  SessionBean sessionBean;
              

                     private SessionContract.Presenter presenter;
              
@@ -84,7 +86,6 @@ public class SessionActivity extends BaseActivity implements SessionContract.Vie

                         presenter.start();
              

                     }
              

                 
              

                -
              

                     @Override
              

                     protected void onDestroy() {
              

                         super.onDestroy();
              
@@ -124,12 +125,14 @@ public class SessionActivity extends BaseActivity implements SessionContract.Vie

                 
              

                     @Override
              

                     public void showPhotoRecyclerView() {
              

                +        qrcodeScanBtn.setVisibility(View.GONE);
              

                         noPhotoLayout.setVisibility(View.GONE);
              

                         photosRecyclerView.setVisibility(View.VISIBLE);
              

                     }
              

                 
              

                     @Override
              

                     public void showEmptyView() {
              

                +        qrcodeScanBtn.setVisibility(View.VISIBLE);
              

                         photosRecyclerView.setVisibility(View.GONE);
              

                         noPhotoLayout.setVisibility(View.VISIBLE);
              

                     }
              
@@ -146,7 +149,7 @@ public class SessionActivity extends BaseActivity implements SessionContract.Vie

                             if (data == null || data.getStringExtra("info") == null) {
              

                                 return;
              

                             }
              

                -            LogHelper.d("qrcode","scan qrcode info = "+data.getStringExtra("info"));
              

                +            presenter.change2QRCodeSessionId(data.getStringExtra("info"));
              

                         }
              

                     }
              

                 
              

app/src/main/java/ai/pai/lensman/session/SessionContract.java

@@ -18,5 +18,6 @@ public class SessionContract {

                 
              

                     interface Presenter extends BasePresenter{
              

                         void swipeToDeletePhoto(int index);
              

                +        void change2QRCodeSessionId(String sessionId);
              

                     }
              

                 }
              

app/src/main/java/ai/pai/lensman/session/SessionPresenter.java

@@ -28,11 +28,11 @@ public class SessionPresenter implements SessionContract.Presenter, SessionInter

                     public SessionPresenter(SessionBean sessionBean, SessionContract.View view) {
              

                         this.sessionView = view;
              

                         this.sessionBean = sessionBean;
              

                -        interactor = new SessionInteractor(sessionBean, this);
              

                     }
              

                 
              

                     @Override
              

                     public void start() {
              

                +        interactor = new SessionInteractor(sessionBean, this);
              

                         photoList = DBService.getInstance().getPhotoListBySessionId(sessionBean.sessionId);
              

                         if (photoList.size() == 0) {
              

                             sessionView.showEmptyView();
              
@@ -96,10 +96,17 @@ public class SessionPresenter implements SessionContract.Presenter, SessionInter

                             return;
              

                         }
              

                         PhotoBean photoBean = photoList.get(index);
              

                -        LogHelper.d("DBService","swipeToDeletePhoto" +photoBean.photoId);
              

                         photoList.remove(photoBean);
              

                         DBService.getInstance().deletePhotoBean(photoBean);
              

                         interactor.deletePhoto(photoBean);
              

                     }
              

                 
              

                +    @Override
              

                +    public void change2QRCodeSessionId(String sessionId) {
              

                +        LogHelper.d("czy","change2QRCodeSessionId ="+sessionId);
              

                +        this.sessionBean.sessionId = sessionId;
              

                +        stop();
              

                +        start();
              

                +    }
              

                +
              

                 }