UI05-‍手势用图片做实验

/*今日任务：

 1.设计模式： 怎么去实现，两种 2.imageview 图片显示3.手势用图片做实验

 1.设计模式：设计模式的作用：（1）提高代码的可扩展性 （2）提高代码的可读性 偶合度是判断代码优秀的标准。

   设计模式和代码的结合。第一个是taget/action 模式

 2.pch 全局

 

 作业：完善出自己的button，view好lable组合出button ,.

 

 

- (void)viewDidLoad {

    [super viewDidLoad];

    UITapGestureRecognizer *tap=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapGesture:)];

    [_mainv.swip addGestureRecognizer:tap];

        UILongPressGestureRecognizer *longpress=[[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(LongPress:)];

    longpress.minimumPressDuration=1.0;

    [_mainv.longpress  addGestureRecognizer:longpress];

        UISwipeGestureRecognizer *swip=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipGesture:)];

    [_mainv.longpress addGestureRecognizer:swip];

        UIPanGestureRecognizer *pan=[[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panGestureRecognizer:)];

    [_mainv.longpress addGestureRecognizer:pan];

      UIPinchGestureRecognizer *pinch=[[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchGestureRecognizer:)];

    [_mainv addGestureRecognizer:pinch];

       UIRotationGestureRecognizer *roatation=[[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotationGesture:)];

    [_mainv addGestureRecognizer:roatation];

}

 

-(void)rotationGesture:(UIRotationGestureRecognizer *)rotation{

    rotation.view.transform=CGAffineTransformMakeRotation(rotation.rotation);

}

 -(void)pinchGestureRecognizer:(UIPinchGestureRecognizer*)pinch{

     pinch.view.transform=CGAffineTransformMakeScale(pinch.scale, pinch.scale);

 }

 -(void)panGestureRecognizer:(UIPanGestureRecognizer *)pan{

     CGPoint offsite=[pan translationInView:self.view];

    pan.view.transform=CGAffineTransformMakeTranslation(offsite.x, offsite.y);

 }

 -(void)swipGesture:(UISwipeGestureRecognizer*)swip{

     swip.direction=UISwipeGestureRecognizerDirectionLeft;

}

 -(void)LongPress:(UILongPressGestureRecognizer *)longpress{

       if (longpress.state==UIGestureRecognizerStateBegan ) {

        longpress.view.backgroundColor=[UIColor colorWithRed:arc4random()%256/255.0 green:arc4random()%256/255.0  blue:arc4random()%256/255.0  alpha:1.0];

    }

}

-(void)tapGesture:(UITapGestureRecognizer *)taptap{

     taptap.view.backgroundColor=[UIColor colorWithRed:arc4random()%256/255.0 green:arc4random()%256/255.0  blue:arc4random()%256/255.0  alpha:1.0];

    taptap.numberOfTapsRequired=2.0;

//    taptap.numberOfTouchesRequired=2;

    }