iOS四个方向的手势

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- (void)handleSwipe:(UISwipeGestureRecognizer*)gesture {

    UISwipeGestureRecognizerDirectiondirection = gesture.direction;

    switch(direction) {

        caseUISwipeGestureRecognizerDirectionLeft:

             

            break;

        caseUISwipeGestureRecognizerDirectionDown:

            break;

        caseUISwipeGestureRecognizerDirectionRight:

            break;

        caseUISwipeGestureRecognizerDirectionUp:

            break;

       default:

            break;

    }

}

 

- (void)viewDidLoad

{

    //建立滑动手势

    //设置滑动方向，下面以此类推

    UISwipeGestureRecognizer*recognizer;

     

    //向右滑动

    recognizer = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(handleSwipeFrom:)];

    [recognizersetDirection:(UISwipeGestureRecognizerDirectionRight)];

    [[selfview]addGestureRecognizer:recognizer];

    [recognizerrelease];

     

    //向左滑动

    recognizer = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(handleSwipeFrom:)];

    [recognizersetDirection:(UISwipeGestureRecognizerDirectionLeft)];

    [[selfview]addGestureRecognizer:recognizer];

    [recognizerrelease];

     

    //向上滑动

    recognizer = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(handleSwipeFrom:)];

    [recognizersetDirection:(UISwipeGestureRecognizerDirectionUp)];

    [[selfview]addGestureRecognizer:recognizer];

    [recognizerrelease];

     

    //向下滑动

    recognizer = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(handleSwipe:)];

    [recognizersetDirection:(UISwipeGestureRecognizerDirectionDown)];

    [[selfview]addGestureRecognizer:recognizer];

    [recognizerrelease];

}