Android中Activity中左右滑动手势的监听

/*

 * 完成对左右划屏 
 */  
@Override  
public boolean onTouchEvent(MotionEvent event) {  

    switch (event.getAction()) {  
    case MotionEvent.ACTION_DOWN:  
        prev.set(event.getX(), event.getY());  

        break;  
    case MotionEvent.ACTION_UP:  
        break;  

    case MotionEvent.ACTION_MOVE:  

        float moveX = prev.x - event.getX();  

        // 左滑  
        if (moveX > 150 && moveX < 5000) {  
            // mDesignClothesBackground  
            // .setBackgroundResource(idClothesBackground[0]);  
        }  
        // 右滑  
        else if (moveX < -150 && moveX > -5000) {  
            // mDesignClothesBackground  
            // .setBackgroundResource(idClothesBackground[1]);  
        }  

    }  

    return false;  
}  </pre>