Merge "expandGroup can now animate" (9414b041) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -24013,6 +24013,7 @@ package android.widget {
		ctor public ExpandableListView(android.content.Context, android.util.AttributeSet, int);
		method public boolean collapseGroup(int);
		method public boolean expandGroup(int);
		method public boolean expandGroup(int, boolean);
		method public android.widget.ExpandableListAdapter getExpandableListAdapter();
		method public long getExpandableListPosition(int);
		method public int getFlatListPosition(long);

+25 −2

Original line number	Diff line number	Diff line
		@@ -599,12 +599,35 @@ public class ExpandableListView extends ListView {
		* was already expanded, this will return false)
		*/
		public boolean expandGroup(int groupPos) {
		boolean retValue = mConnector.expandGroup(groupPos);
		return expandGroup(groupPos, false);
		}

		/**
		* Expand a group in the grouped list view
		*
		* @param groupPos the group to be expanded
		* @param animate true if the expanding group should be animated in
		* @return True if the group was expanded, false otherwise (if the group
		* was already expanded, this will return false)
		*/
		public boolean expandGroup(int groupPos, boolean animate) {
		PositionMetadata pm = mConnector.getFlattenedPos(ExpandableListPosition.obtain(
		ExpandableListPosition.GROUP, groupPos, -1, -1));
		boolean retValue = mConnector.expandGroup(pm);

		if (mOnGroupExpandListener != null) {
		mOnGroupExpandListener.onGroupExpand(groupPos);
		}

		if (animate) {
		final int groupFlatPos = pm.position.flatListPos;

		final int shiftedGroupPosition = groupFlatPos + getHeaderViewsCount();
		smoothScrollToPosition(shiftedGroupPosition + mAdapter.getChildrenCount(groupPos),
		shiftedGroupPosition);
		}
		pm.recycle();

		return retValue;
		}