Android中使用ViewFlipper进行手势切换实例(2)

private ViewFlipper viewFlipper; 
 
private Animation slideLeftIn; 
private Animation slideLeftOut; 
private Animation slideRightIn; 
private Animation slideRightOut; 
 
private GestureDetector gestureDetector; 
@Override 
public void onCreate(Bundle savedInstanceState) 
{ 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 
     
    viewFlipper = (ViewFlipper)findViewById(R.id.viewFlipper); 
       slideLeftIn = AnimationUtils.loadAnimation(this, R.anim.slide_left_in); 
       slideLeftOut = AnimationUtils.loadAnimation(this, R.anim.slide_left_out); 
       slideRightIn = AnimationUtils.loadAnimation(this, R.anim.slide_right_in); 
       slideRightOut = AnimationUtils.loadAnimation(this, R.anim.slide_right_out); 
        
       gestureDetector = new GestureDetector(new MyGestureDetector()); 
        
       new View.OnTouchListener() 
       { 
           public boolean onTouch(View v, MotionEvent event) 
           { 
               if (gestureDetector.onTouchEvent(event)) 
               { 
                   return true; 
               } 
               return false; 
           } 
       }; 
} 
 
@Override 
public boolean onTouchEvent(MotionEvent event) 
{ 
    if (gestureDetector.onTouchEvent(event)) 
    { 
        return true; 
    } 
    else 
    { 
        return false; 
    } 
}