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 | |||||||||||
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| abstract boolean |
onDown(MotionEvent e)
Notified when a tap occurs with the down
MotionEvent that triggered it. |
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| 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. |
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| abstract void |
onLongPress(MotionEvent e)
Notified when a long press occurs with the initial on down
MotionEvent that trigged it. |
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| 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. |
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| abstract void |
onShowPress(MotionEvent e)
The user has performed a down
MotionEvent and not performed a move or up yet. |
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| abstract boolean |
onSingleTapUp(MotionEvent e)
Notified when a tap occurs with the up
MotionEvent that triggered it. |
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