手势识别

- (void)viewDidLoad

{

    [superviewDidLoad];

UIImage *image =[UIImage imageNamed:@"001.jpg"];

    UIImageView *imageView=[[UIImageView alloc]initWithImage:image];

    [imageView setFrame:kImageFrame];

    [imageView setUserInteractionEnabled:YES];

    

    [self.view addSubview:imageView];

    self.imageView = imageView;

    //点按手势

    UITapGestureRecognizer *tap = [[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(tap:)];

    //单击操作

    [tap setNumberOfTapsRequired:1];

    //一个手指操作

    [tap setNumberOfTouchesRequired:1];

    //[self.imageView addGestureRecognizer:tap];

    

    //长按手势

    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizeralloc]initWithTarget:selfaction:@selector(longPress:)];

    

    //[self.imageView addGestureRecognizer:longPress];

    

    //旋转手势

    UIRotationGestureRecognizer *rotate = [[UIRotationGestureRecognizeralloc]initWithTarget:selfaction:@selector(rotate:)];

    //[self.imageView addGestureRecognizer:rotate];

    

    //拖动手势

    

    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizeralloc]initWithTarget:selfaction:@selector(pan:)];

    

    //[self.imageView addGestureRecognizer:pan];

    

    //捏合手势

    UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizeralloc]initWithTarget:selfaction:@selector(pinch:)];

    

    //[self.imageView addGestureRecognizer:pinch];

    

    //轻扫手势

    UISwipeGestureRecognizer *swip1 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];

    [swip1 setDirection:UISwipeGestureRecognizerDirectionRight];

    [self.viewaddGestureRecognizer:swip1];

    

    UISwipeGestureRecognizer *swip2 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];

    [swip2 setDirection:UISwipeGestureRecognizerDirectionLeft];

    [self.viewaddGestureRecognizer:swip2];

    

    UISwipeGestureRecognizer *swip3 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];

    [swip3 setDirection:UISwipeGestureRecognizerDirectionDown];

    [self.viewaddGestureRecognizer:swip3];

    

    UISwipeGestureRecognizer *swip4 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];

    [swip4 setDirection:UISwipeGestureRecognizerDirectionUp];

    [self.viewaddGestureRecognizer:swip4];

    

    

}

 

#pragma mark 轻扫手势

- (void) swip:(UISwipeGestureRecognizer *)recognizer

{

    CGRect frame = kImageFrame;

    if(UISwipeGestureRecognizerDirectionLeft == recognizer.direction){

        frame.origin.x-=300;

    }elseif(UISwipeGestureRecognizerDirectionRight==recognizer.direction){

        frame.origin.x+=300;

    }elseif(UISwipeGestureRecognizerDirectionUp == recognizer.direction){

        frame.origin.y -=400;

    }else{

        frame.origin.y +=400;

    }

    [UIViewanimateWithDuration:1.0fanimations:^{

        [self.imageView setFrame:frame];

    }completion:^(BOOL finished) {

        [self.imageView setFrame:kImageFrame];

    }];

}

 

#pragma mark 捏合手势

- (void) pinch :(UIPinchGestureRecognizer *)recognizer

{

    if(UIGestureRecognizerStateChanged == recognizer.state){

        [UIViewanimateWithDuration:1.0fanimations:^{

            

            [recognizer.view setTransform:CGAffineTransformMakeScale(recognizer.scale, recognizer.scale)];

        }];

    }elseif(UIGestureRecognizerStateEnded == recognizer.state){

        [UIViewanimateWithDuration:0.5fanimations:^{

            [recognizer.viewsetTransform:CGAffineTransformIdentity];

        }];

    }

}

 

 

#pragma mark 拖动手势

 

- (void) pan:(UIPanGestureRecognizer *)recognizer

{

    if(UIGestureRecognizerStateChanged == recognizer.state){

        [UIViewanimateWithDuration:1.0fanimations:^{

            CGPoint deltaPoint = [recognizer translationInView:self.view];

            [recognizer.view setTransform:CGAffineTransformMakeTranslation(deltaPoint.x, deltaPoint.y)];

        }];

    }elseif(UIGestureRecognizerStateEnded == recognizer.state){

        [UIViewanimateWithDuration:0.5fanimations:^{  

            [recognizer.viewsetTransform:CGAffineTransformIdentity];

        }];

    }

    

}

 

# pragma mark 旋转手势

 

- (void) rotate:(UIRotationGestureRecognizer *) recognizer

{

    if (UIGestureRecognizerStateChanged == recognizer.state) {

        [UIViewanimateWithDuration:1.0fanimations:^{

            [recognizer.view setTransform:CGAffineTransformMakeRotation(recognizer.rotation)];

        }];

    }elseif(UIGestureRecognizerStateEnded == recognizer.state)

    {

        [UIViewanimateWithDuration:0.5fanimations:^{

            [recognizer.viewsetTransform:CGAffineTransformIdentity];

        }];

    }

}

 

#pragma mark 长按手势

- (void) longPress :(UILongPressGestureRecognizer *)recognizer

{

    //长按手势属于连续手势，需要处理状态

    if(UIGestureRecognizerStateBegan==recognizer.state){

        [UIViewanimateWithDuration:1.0fanimations:^{

            [recognizer.viewsetTransform:CGAffineTransformMakeRotation(M_PI)];

        } completion:^(BOOL finished) {

            //CGAffineTransformIdentity将视图的形变复原(平移，缩放，旋转)

            [recognizer.viewsetTransform:CGAffineTransformIdentity];

        }];

    }

    

}

 

#pragma mark 点按手势

- (void) tap:(UITapGestureRecognizer *) recognizer

{

    CGRect initFrame = recognizer.view.frame;

    CGRect targetFrame = recognizer.view.frame;

    targetFrame.origin.y +=360;

    

    [UIViewanimateWithDuration:1.0fanimations:^{

        [UIViewsetAnimationRepeatAutoreverses:YES];

        [UIViewsetAnimationRepeatCount:2];

        

        [self.imageView setFrame:targetFrame];

    }completion:^(BOOL finished) {

        [self.imageView setFrame:initFrame];

    }];

    

}