Merge "Prevent exception when temporarily detaching the RemoteInputView's EditText." into sc-dev

packages/SystemUI/src/com/android/systemui/statusbar/policy/RemoteInputView.java

@@ -749,7 +749,10 @@ public class RemoteInputView extends LinearLayout implements View.OnClickListene
         super.dispatchStartTemporaryDetach();
         // Detach the EditText temporarily such that it doesn't get onDetachedFromWindow and
         // won't lose IME focus.
-        detachViewFromParent(mEditText);
+        final int iEditText = indexOfChild(mEditText);
+        if (iEditText != -1) {
+            detachViewFromParent(iEditText);
+        }
     }
 
     @Override