Update ShareActionProvider to clear the sharing activity when the task

is reset.

As per platform guidelines, when launching a sharing activity the Intent
flag FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET should be used.

Change-Id: I30bd3d20eb75aee7943b681dc2d9c7f44a04e919

Author: adamp

core/java/android/widget/ActivityChooserView.java

@@ -547,6 +547,7 @@ public void onItemClick(AdapterView<?> parent, View view, int position, long id)
                         position = mAdapter.getShowDefaultActivity() ? position : position + 1;
                         Intent launchIntent = mAdapter.getDataModel().chooseActivity(position);
                         if (launchIntent != null) {
+                            launchIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
                             mContext.startActivity(launchIntent);
                         }
                     }
@@ -564,6 +565,7 @@ public void onClick(View view) {
                 final int index = mAdapter.getDataModel().getActivityIndex(defaultActivity);
                 Intent launchIntent = mAdapter.getDataModel().chooseActivity(index);
                 if (launchIntent != null) {
+                    launchIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
                     mContext.startActivity(launchIntent);
                 }
             } else if (view == mExpandActivityOverflowButton) {

core/java/android/widget/ShareActionProvider.java

@@ -279,6 +279,7 @@ public boolean onMenuItemClick(MenuItem item) {
             final int itemId = item.getItemId();
             Intent launchIntent = dataModel.chooseActivity(itemId);
             if (launchIntent != null) {
+                launchIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
                 mContext.startActivity(launchIntent);
             }
             return true;