diff --git a/api/current.xml b/api/current.xml
index c84f13e8f5d16..7df3192b92bf9 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -162753,6 +162753,17 @@
visibility="public"
>
+
+
+
+
+
+
-
-
- * NOTE: In order for this method to be called, the
- * {@link #FLAG_USE_CHILD_DRAWING_ORDER} must be set.
+ * NOTE: In order for this method to be called, you must enable child ordering
+ * first by calling {@link #setChildrenDrawingOrderEnabled(boolean)}.
*
* @param i The current iteration.
* @return The index of the child to draw this iteration.
+ *
+ * @see #setChildrenDrawingOrderEnabled(boolean)
+ * @see #isChildrenDrawingOrderEnabled()
*/
protected int getChildDrawingOrder(int childCount, int i) {
return i;
@@ -2706,6 +2711,35 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
setBooleanFlag(FLAG_CHILDREN_DRAWN_WITH_CACHE, enabled);
}
+ /**
+ * Indicates whether the ViewGroup is drawing its children in the order defined by
+ * {@link #getChildDrawingOrder(int, int)}.
+ *
+ * @return true if children drawing order is defined by {@link #getChildDrawingOrder(int, int)},
+ * false otherwise
+ *
+ * @see #setChildrenDrawingOrderEnabled(boolean)
+ * @see #getChildDrawingOrder(int, int)
+ */
+ @ViewDebug.ExportedProperty
+ protected boolean isChildrenDrawingOrderEnabled() {
+ return (mGroupFlags & FLAG_USE_CHILD_DRAWING_ORDER) == FLAG_USE_CHILD_DRAWING_ORDER;
+ }
+
+ /**
+ * Tells the ViewGroup whether to draw its children in the order defined by the method
+ * {@link #getChildDrawingOrder(int, int)}.
+ *
+ * @param enabled true if the order of the children when drawing is determined by
+ * {@link #getChildDrawingOrder(int, int)}, false otherwise
+ *
+ * @see #isChildrenDrawingOrderEnabled()
+ * @see #getChildDrawingOrder(int, int)
+ */
+ protected void setChildrenDrawingOrderEnabled(boolean enabled) {
+ setBooleanFlag(FLAG_USE_CHILD_DRAWING_ORDER, enabled);
+ }
+
private void setBooleanFlag(int flag, boolean value) {
if (value) {
mGroupFlags |= flag;