@Override 
 public boolean onTouch(View v, MotionEvent event) { 
  detector.onTouchEvent(event); 
  Toast.makeText(this, "onTouch", TIME_OUT).show(); 
  return true; 
 } 

/** 
  * 手势滑动时别调用 
  */ 
 @Override 
 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, 
   float velocityY) { 

  if (e1.getX() - e2.getX() > FLING_MIN_DISTANCE) { 
   Toast.makeText(this, "向左滑动", TIME_OUT).show(); 
  } else if (e2.getX() - e1.getX() > FLING_MIN_DISTANCE) { 
   Toast.makeText(this, "向右滑动", TIME_OUT).show(); 
  } 
  return false; 
 } 

 /** 
  * 长按时被调用 
  */ 
 @Override 
 public void onLongPress(MotionEvent e) { 
  Toast.makeText(this, "触发长按回调", TIME_OUT).show(); 
 } 

 /** 
  * 滚动时调用 
  */ 
 @Override 
 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, 
   float distanceY) { 
  Toast.makeText(this, "触发滚动回调", TIME_OUT).show(); 
  return false; 
 } 

 /** 
  * 在按下动作时被调用 
  */ 
 @Override 
 public boolean onDown(MotionEvent e) { 
  Toast.makeText(this, "按下回调", TIME_OUT).show(); 
  return false; 
 } 

 /** 
  * 按住时被调用 
  */ 
 @Override 
 public void onShowPress(MotionEvent e) { 
  Toast.makeText(this, "按住不松回调", TIME_OUT).show(); 
 } 

 /** 
  * 抬起时被调用 
  */ 
 @Override 
 public boolean onSingleTapUp(MotionEvent e) { 
  Toast.makeText(this, "触发抬起回调", TIME_OUT).show(); 
  return false; 
 } 

@Override 
 public boolean onDoubleTap(MotionEvent arg0) { 
  Toast.makeText(this, "触发双击回调", TIME_OUT).show(); 
  return false; 
 } 

 @Override 
 public boolean onDoubleTapEvent(MotionEvent arg0) { 
  Toast.makeText(this, "触发双击的按下跟抬起回调", TIME_OUT).show(); 
  return false; 
 } 

 @Override 
 public boolean onSingleTapConfirmed(MotionEvent arg0) { 
  Toast.makeText(this, "触发单击确认回调", TIME_OUT).show(); 
  return false; 
}