Determine if the supplied view is under the given point in the parent view's coordinate system. @param view Child view of the parent to hit test @par

Called when the user has started a deliberate drag away from one of the subscribed edges in the parent view while no child view is currently captured.

Called when the given edge may become locked. This can happen if an edge drag was preliminarily rejected before beginning, but after {@link #onEdgeTou

Invoke when edge touched @param edgeFlag edge flag describing the edge being touched @see #EDGE_LEFT @see #EDGE_RIGHT @see #EDGE_BOTTOM

Invoke when scroll percent over the threshold for the first time

Invoke when state change @param state flag to describe scroll state @param scrollPercent scroll percent of this view @see #STATE_IDLE @see #S

Called when a child view is captured for dragging or settling. The ID of the pointer currently dragging the captured view is supplied. If activePointe

Called when the drag state changes. See the <code>STATE_ </code> constants for more information. @param state The new drag state @see #STATE_IDLE @se

Called when the child view is no longer being actively dragged. The fling velocity is also supplied, if relevant. The velocity values may be clamped t

Process a touch event received by the parent view. This method will dispatch callback events as needed before returning. The parent view's onTouchEven

Scroll out contentView and finish the activity

Set the size of an edge. This is the range in pixels along the edges of this view that will actively detect edge touches or drags if edge tracking is

Enable edge tracking for the selected edges of the parent view. The callback's {@link com.xingin.xhs.view.swipebacklayout.ViewDragHelper.Callback#onEd