UIGestureRecognize 手势的基类

1.轻拍

2.轻扫

3.长按

4.平移

5.捏合

6.旋转

7.屏幕边缘手势

 

 

//第一种手势 轻拍
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleTap:)];
    //1.设置轻拍次数
    tap.numberOfTapsRequired = 1;//默认值是1 轻拍一次
    //2.设置手指的个数
    tap.numberOfTouchesRequired = 2;//默认值是1

    [aView addGestureRecognizer:tap];
    [tap release];
      */
   
   
    /*
///////  //第二种手势 轻扫 最多支持两种手势方向
    //需求：向右轻扫改变自身颜色，向左轻扫改变父视图颜色
   
      //1.向右轻扫手势
    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipe:)];
    //设置轻扫方向
    //默认轻扫方向 向右
    swipe.direction = UISwipeGestureRecognizerDirectionRight;
    [aView addGestureRecognizer:swipe];
    [swipe release];
   
    //2.向左轻扫的手势
    UISwipeGestureRecognizer *leftSwipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeLeft:) ];
    swipe.direction = UISwipeGestureRecognizerDirectionLeft;//方向向左
    [aView addGestureRecognizer:leftSwipe];
    [leftSwipe release];
    
     */
   
    /*
/////// 第三种手势 长按手势
    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(handleLongPress:)];
   
        //设置识别长按手势的时间
    longPress.minimumPressDuration = 0.5;
    [aView addGestureRecognizer:longPress];
    [longPress release];
    */
   
   
//////// 第四种手势 平移手势
    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(handlepan:)];
    [aView addGestureRecognizer:pan];
    [pan release];
   
///////// 第五种 捏合手势
    UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(handlePinch:)];
    [aView addGestureRecognizer:pinch];
    [pinch release];
   
   
//////// 第六种 旋转手势
    UIRotationGestureRecognizer * rotate = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(handlerorate:)];
    [aView addGestureRecognizer:rotate];
    [rotate release];
   
 
///////// 第七种 屏幕边缘手势 ios7 之后新增的手势
    UIScreenEdgePanGestureRecognizer *screenEdge = [[UIScreenEdgePanGestureRecognizer alloc]initWithTarget:self action:@selector(handleScreenEdge:)];
    //设置屏幕边缘
    screenEdge.edges = UIRectEdgeLeft;
   
    //移除某个手势
    [aView removeGestureRecognizer:screenEdge];
    //获取该视图所添加的所有手势
    //aView.gestureRecognizers;
   
    [aView addGestureRecognizer:screenEdge];
    [screenEdge release];
   
   
}

#pragma mark - handle gesture action -

///////// 第一种 处理轻拍手势的事件
- (void)handleTap:(UITapGestureRecognizer *)tap{
//修改轻拍的视图的颜色
    tap.view.backgroundColor = RandomColor;

}


////////  第二种 处理轻扫手势
//改变父视图的颜色
- (void)handleSwipe:(UISwipeGestureRecognizer *)swipe{
    swipe.view.superview.backgroundColor = RandomColor;
}

//改变该视图的颜色
- (void)handleSwipeLeft:(UISwipeGestureRecognizer *)leftSwipe{

    leftSwipe.view.backgroundColor = RandomColor;
}


///////// 第三种 处理长按手势的事件

- (void)handleLongPress:(UILongPressGestureRecognizer *)longPress{    //改变视图的颜色 (开始状态)    if (longPress.state == UIGestureRecognizerStateBegan) {        longPress.view.backgroundColor = RandomColor;    }}////////// 第四种 处理平移手势的事件- (void)handlepan:(UIPanGestureRecognizer *)pan{    //换取偏移量CGPoint point = [pan translationInView:pan.view];    //改变视图的位置 让视图发生移动,以前一次改变的值为基准    pan.view.transform = CGAffineTransformTranslate(pan.view.transform, point.x, point.y);    //将之前的增量清零     [pan setTranslation:CGPointZero inView:pan.view];}//////  第五种 处理捏合手势事件   - (void)handlePinch:(UIPinchGestureRecognizer *)pinch {    //获取俩个手指之间的距离    pinch.view.transform = CGAffineTransformScale(pinch.view.transform, pinch.scale, pinch.scale);    pinch.scale = 1;//比例}//////  第六种 处理旋转事件- (void)handlerorate:(UIRotationGestureRecognizer *)rorate{    rorate.view.transform = CGAffineTransformRotate(rorate.view.transform, rorate.rotation);//将之前的增量置为0；    rorate.rotation = 0;}////// 第七种 处理屏幕边缘手势的事件- (void)handleScreenEdge:(UIScreenEdgePanGestureRecognizer *)screenEdge{    screenEdge.view.backgroundColor = RandomColor;   }