GestureDetector 类含有三个接口: OnGestureListener OnDoubleTapListener OnContextClickListener 两个内部类: SimpleOnGestureListener GestureHandler
1. 接口: OnGestureListener
1 | boolean onDown(MotionEvent e); |
2.接口: OnDoubleTapListener
1 | boolean onSingleTapConfirmed(MotionEvent e); |
3.接口: OnContextClickListener。
1 | boolean onContextClick(MotionEvent e); |
4. 继承 GestureDetector.SimpleOnGestureListener 类,重写手势操作方法
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