Fix NPE in dismissShortcut

Use the view's context, which is non-null, instead of getActivity(), which
may be null when it's detached.

Bug:13588513
Change-Id: I2121a56cc686c0f4000747bac39b238928ee7af4

2 files changed, 4 insertions, 3 deletions

diff --git a/src/com/android/dialer/list/PhoneFavoriteFragment.java b/src/com/android/dialer/list/PhoneFavoriteFragment.java
index 5f5e55cd1..9af0cb237 100644
--- a/src/com/android/dialer/list/PhoneFavoriteFragment.java
+++ b/src/com/android/dialer/list/PhoneFavoriteFragment.java
@@ -650,10 +650,11 @@ public class PhoneFavoriteFragment extends Fragment implements OnItemClickListen
         saveOffsets(0);
     }
 
-    public void dismissShortcut(int height) {
+    public void dismissShortcut(View view) {
+        final int height = ((View) view.getParent()).getHeight();
         saveOffsets(height);
         mLastCallShortcutDate = mCurrentCallShortcutDate;
-        final SharedPreferences prefs = getActivity().getSharedPreferences(
+        final SharedPreferences prefs = view.getContext().getSharedPreferences(
                 DialtactsActivity.SHARED_PREFS_NAME, Context.MODE_PRIVATE);
         prefs.edit().putLong(KEY_LAST_DISMISSED_CALL_SHORTCUT_DATE, mLastCallShortcutDate)
                 .apply();
diff --git a/src/com/android/dialer/list/PhoneFavoriteMergedAdapter.java b/src/com/android/dialer/list/PhoneFavoriteMergedAdapter.java
index e966f101d..81d682b8b 100644
--- a/src/com/android/dialer/list/PhoneFavoriteMergedAdapter.java
+++ b/src/com/android/dialer/list/PhoneFavoriteMergedAdapter.java
@@ -74,7 +74,7 @@ public class PhoneFavoriteMergedAdapter extends BaseAdapter {
             mCallLogQueryHandler.markNewVoicemailsAsOld();
             CallLogNotificationsHelper.removeMissedCallNotifications();
             CallLogNotificationsHelper.updateVoicemailNotifications(mContext);
-            mFragment.dismissShortcut(((View) view.getParent()).getHeight());
+            mFragment.dismissShortcut(view);
         }
 
         @Override