Remove unused code

Original commit by weihuoya for Dolphin-emu.

src/android/app/src/main/java/org/citra/citra_emu/activities/EmulationActivity.java

@@ -112,7 +112,7 @@ public final class EmulationActivity extends AppCompatActivity {
 
         launcher.putExtra(EXTRA_SELECTED_GAME, path);
         launcher.putExtra(EXTRA_SELECTED_TITLE, title);
-        activity.startActivityForResult(launcher, MainPresenter.REQUEST_EMULATE_GAME);
+        activity.startActivity(launcher);
     }
 
     private void showRunningNotification() {

src/android/app/src/main/java/org/citra/citra_emu/ui/main/MainActivity.java

@@ -103,16 +103,6 @@ public final class MainActivity extends AppCompatActivity implements MainView {
         refreshFragment();
     }
 
-    @Override
-    public void refreshFragmentScreenshot(int fragmentPosition) {
-        // Invalidate Picasso image so that the new screenshot is animated in.
-        PlatformGamesView fragment = getPlatformGamesView();
-
-        if (fragment != null) {
-            fragment.refreshScreenshotAtPosition(fragmentPosition);
-        }
-    }
-
     @Override
     public void launchSettingsActivity(String menuTag) {
         if (PermissionsHandler.hasWriteAccess(this)) {
@@ -156,10 +146,6 @@ public final class MainActivity extends AppCompatActivity implements MainView {
                     mPresenter.onDirectorySelected(FileBrowserHelper.getSelectedDirectory(result));
                 }
                 break;
-
-            case MainPresenter.REQUEST_EMULATE_GAME:
-                mPresenter.refreshFragmentScreenshot(resultCode);
-                break;
         }
     }
 

src/android/app/src/main/java/org/citra/citra_emu/ui/main/MainPresenter.java

@@ -13,7 +13,6 @@ import rx.schedulers.Schedulers;
 
 public final class MainPresenter {
     public static final int REQUEST_ADD_DIRECTORY = 1;
-    public static final int REQUEST_EMULATE_GAME = 2;
 
     private final MainView mView;
     private String mDirToAdd;
@@ -58,10 +57,6 @@ public final class MainPresenter {
         mDirToAdd = dir;
     }
 
-    public void refreshFragmentScreenshot(int resultCode) {
-        mView.refreshFragmentScreenshot(resultCode);
-    }
-
     public void loadGames() {
         GameDatabase databaseHelper = CitraApplication.databaseHelper;
         databaseHelper.getGames()

src/android/app/src/main/java/org/citra/citra_emu/ui/main/MainView.java

@@ -21,14 +21,6 @@ public interface MainView {
      */
     void refresh();
 
-    /**
-     * Tell the view to tell the currently displayed {@link android.support.v4.app.Fragment}
-     * to refresh the screenshot at the given position in its list of games.
-     *
-     * @param fragmentPosition An index corresponding to the list or grid of games.
-     */
-    void refreshFragmentScreenshot(int fragmentPosition);
-
     void launchSettingsActivity(String menuTag);
 
     void launchFileListActivity();

src/android/app/src/main/java/org/citra/citra_emu/ui/main/TvMainActivity.java

@@ -101,11 +101,6 @@ public final class TvMainActivity extends FragmentActivity implements MainView {
         recreate();
     }
 
-    @Override
-    public void refreshFragmentScreenshot(int fragmentPosition) {
-        mRowsAdapter.notifyArrayItemRangeChanged(0, mRowsAdapter.size());
-    }
-
     @Override
     public void launchSettingsActivity(String menuTag) {
         SettingsActivity.launch(this, menuTag, "");
@@ -143,10 +138,6 @@ public final class TvMainActivity extends FragmentActivity implements MainView {
                     mPresenter.onDirectorySelected(FileBrowserHelper.getSelectedDirectory(result));
                 }
                 break;
-
-            case MainPresenter.REQUEST_EMULATE_GAME:
-                mPresenter.refreshFragmentScreenshot(resultCode);
-                break;
         }
     }