Merge "Add error log for adding parented complications." into tm-dev

packages/SystemUI/src/com/android/systemui/dreams/complication/ComplicationHostViewController.java

@@ -21,6 +21,7 @@ import static com.android.systemui.dreams.complication.dagger.ComplicationModule
 
 import android.graphics.Rect;
 import android.graphics.Region;
+import android.util.Log;
 import android.view.View;
 
 import androidx.constraintlayout.widget.ConstraintLayout;
@@ -42,6 +43,8 @@ import javax.inject.Named;
  * a {@link ComplicationLayoutEngine}.
  */
 public class ComplicationHostViewController extends ViewController<ConstraintLayout> {
+    public static final String TAG = "ComplicationHostViewController";
+
     private final ComplicationLayoutEngine mLayoutEngine;
     private final LifecycleOwner mLifecycleOwner;
     private final ComplicationCollectionViewModel mComplicationCollectionViewModel;
@@ -113,6 +116,12 @@ public class ComplicationHostViewController extends ViewController<ConstraintLay
                     final Complication.ViewHolder viewHolder = complication.getComplication()
                             .createView(complication);
                     mComplications.put(id, viewHolder);
+                    if (viewHolder.getView().getParent() != null) {
+                        Log.e(TAG, "View for complication "
+                                + complication.getComplication().getClass()
+                                + " already has a parent. Make sure not to reuse complication "
+                                + "views!");
+                    }
                     mLayoutEngine.addComplication(id, viewHolder.getView(),
                             viewHolder.getLayoutParams(), viewHolder.getCategory());
                 });