diff options
| -rw-r--r-- | core/java/android/widget/ListView.java | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/core/java/android/widget/ListView.java b/core/java/android/widget/ListView.java index 569fe017ac86..1457d026ea39 100644 --- a/core/java/android/widget/ListView.java +++ b/core/java/android/widget/ListView.java @@ -49,6 +49,7 @@ import android.view.accessibility.AccessibilityNodeProvider; import android.widget.RemoteViews.RemoteView; import com.android.internal.R; +import com.android.internal.util.Preconditions; import com.google.android.collect.Lists; @@ -335,6 +336,11 @@ public class ListView extends AbsListView { * @param isSelectable whether the item is selectable */ public void addHeaderView(View v, Object data, boolean isSelectable) { + Preconditions.checkState( + v.getParent() == null, + "The specified child already has a parent. " + + "You must call removeView() on the child's parent first."); + final FixedViewInfo info = new FixedViewInfo(); info.view = v; info.data = data; @@ -429,6 +435,11 @@ public class ListView extends AbsListView { * @param isSelectable true if the footer view can be selected */ public void addFooterView(View v, Object data, boolean isSelectable) { + Preconditions.checkState( + v.getParent() == null, + "The specified child already has a parent. " + + "You must call removeView() on the child's parent first."); + final FixedViewInfo info = new FixedViewInfo(); info.view = v; info.data = data; |