android 手势编程

GestureDetector

  

　    interface          GestureDetector.OnDoubleTapListener

　　interface          GestureDetector.OnGestureListener　　在有手势动作发生时，通知的监听器

　　class               GestureDetector.SimpleOnGestureListener　　当只需要监听部分手势时，用于扩展的便捷类

 

public boolean isLongpressEnabled ()                          如果允许长按事件，则返回true，否则为false

public boolean onTouchEvent (MotionEvent ev)           

public void setIsLongpressEnabled (boolean isLongpressEnabled)

public void setOnDoubleTapListener (GestureDetector.OnDoubleTapListeneronDoubleTapListener

GestureDetector.OnGestureListener

Public Methods
abstract boolean	onDown(MotionEvent e) Notified when a tap occurs with the down MotionEvent that triggered it.
abstract boolean	onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) Notified of a fling event when it occurs with the initial on down MotionEvent and the matching up MotionEvent.
abstract void	onLongPress(MotionEvent e) Notified when a long press occurs with the initial on down MotionEvent that trigged it.
abstract boolean	onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) Notified when a scroll occurs with the initial on down MotionEvent and the current move MotionEvent.
abstract void	onShowPress(MotionEvent e) The user has performed a down MotionEvent and not performed a move or up yet.
abstract boolean	onSingleTapUp(MotionEvent e) Notified when a tap occurs with the up MotionEvent that triggered it.