public static interface DragStartHelper.OnDragStartListener
android.support.v13.view.DragStartHelper.OnDragStartListener |
当检测到拖动开始手势时要调用的回调的接口定义。
Public methods |
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abstract boolean |
onDragStart(View v, DragStartHelper helper) 当检测到拖动开始手势时调用。 |
boolean onDragStart (View v, DragStartHelper helper)
当检测到拖动开始手势时调用。
Parameters | |
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v |
View : The view over which the drag start gesture has been detected. |
helper |
DragStartHelper : The DragStartHelper object which detected the gesture. |
Returns | |
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boolean |
True if the listener has consumed the event, false otherwise. |