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屏幕快照 2016-11-19 下午2.31.35.png

屏幕快照 2016-11-19 下午3.44.55.png

1. 單雙擊操作

除了UITouch可以判斷單雙擊外，UIGesture也可以判斷。
首先我們在ViewController.h中定義一個視圖對象：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}span.s1 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s5 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}

@interface ViewController : UIViewController

{
    //定義視圖對象
    UIImageView* _imageView;
}

然后在ViewController.m中添加一個圖像視圖（準備工作）：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}span.s1 {font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s3 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s4 {font-variant-ligatures: no-common-ligatures; color: #d12f1b}span.s5 {font-variant-ligatures: no-common-ligatures; color: #4f8187}span.s6 {font-variant-ligatures: no-common-ligatures; color: #272ad8}span.s7 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}

   UIImage* image=[UIImage imageNamed:@"1.jpg"];
    _imageView=[[UIImageView alloc]init];
    _imageView.image=image;
    _imageView.frame=CGRectMake(50, 80, 200, 300);
    [self.view addSubview:_imageView];

開啟屏幕交互響應：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s5 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s6 {font-variant-ligatures: no-common-ligatures; color: #4f8187}span.s7 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}

    //開啟交互事件響應。
    //默認為NO
    _imageView.userInteractionEnabled=YES;

之后創建一個單擊事件：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s5 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s6 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s7 {font-variant-ligatures: no-common-ligatures; color: #272ad8}span.s8 {font-variant-ligatures: no-common-ligatures; color: #4f8187}

    //創建一個點擊手勢對象
    UITapGestureRecognizer* tapOneGes=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapOneAct:)
                                       ];
    //表示手勢識別事件類型：幾次點擊時觸發
    tapOneGes.numberOfTapsRequired=1;
    //表示幾個手指點擊時觸發
    tapOneGes.numberOfTouchesRequired=1;
    
    //將點擊事件添加到視圖中
    //視圖即可響應事件
    //只點擊圖像視圖才觸發事件
    [_imageView addGestureRecognizer:tapOneGes];

相應的實現事件函數：即單擊放大圖片：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}p.p6 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s4 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s5 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s6 {font-variant-ligatures: no-common-ligatures; color: #d12f1b}span.s7 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures; color: #d12f1b}span.s8 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s9 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s10 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s11 {font-variant-ligatures: no-common-ligatures; color: #272ad8}

//事件響應函數
//參數：手勢點擊事件對象
-(void)tapOneAct:(UITapGestureRecognizer*) tap
{
    
    NSLog(@"單擊操作");
    
    //單擊放大操作
    
    //獲取手勢監控的視圖對象
    UIImageView* imgView=(UIImageView*) tap.view;
    
    //開始動畫過程
    [UIView beginAnimations:nil context:nil];
    //設置動畫時間
    [UIView setAnimationDuration:1];
    imgView.frame=CGRectMake(0,0 , 320, 568);
    
    //結束動畫過程
    [UIView commitAnimations];
    
}

在創建一個雙擊事件：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font-variant-ligatures: no-common-ligatures}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s3 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s5 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s6 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s7 {font-variant-ligatures: no-common-ligatures; color: #272ad8}span.s8 {font-variant-ligatures: no-common-ligatures; color: #4f8187}

  
    //重新創建一個雙擊事件
    UITapGestureRecognizer* tapTwo = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapTwo
                                                                                                         :)];
    tapTwo.numberOfTouchesRequired=1;
    tapTwo.numberOfTapsRequired=2;
    [_imageView addGestureRecognizer:tapTwo];

相應的創建事件函數：即雙擊縮小圖像

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s5 {font-variant-ligatures: no-common-ligatures; color: #d12f1b}span.s6 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures; color: #d12f1b}span.s7 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s8 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s9 {font-variant-ligatures: no-common-ligatures; color: #272ad8}span.s10 {font-variant-ligatures: no-common-ligatures; color: #4f8187}

-(void)tapTwo:(UITapGestureRecognizer*) tap
{
    
    NSLog(@"雙擊操作");
    //開始動畫過程
    [UIView beginAnimations:nil context:nil];
    //設置動畫時間
    [UIView setAnimationDuration:1];
    _imageView.frame=CGRectMake(0,0 , 200, 300);
    
    //結束動畫過程
    [UIView commitAnimations];
}

注意：雙擊的第一次點擊會被認為是單擊，要避免可以用以下代碼：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}

    //避免雙擊的第一次被認為是單機操作
    [tapOneGes requireGestureRecognizerToFail:tapTwo];

2. 縮放手勢操作

首先在ViewController.h中定義一個縮放手勢：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}

    //定義一個捏合縮放手勢
    //用來對視圖進行縮放
    UIPinchGestureRecognizer* _pinchGes;

在ViewController.m中創建：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #4f8187}span.s5 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s6 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s7 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s8 {font-variant-ligatures: no-common-ligatures; color: #000000}

    //創建一個捏合縮放手勢
    _pinchGes=[[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchAct:)];
    [_imageView addGestureRecognizer:_pinchGes];

之后實現這個響應事件pinchAct:

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s4 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s5 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s6 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s7 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s8 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s9 {font-variant-ligatures: no-common-ligatures; color: #272ad8}

//捏合手勢響應事件函數的實現
-(void) pinchAct:(UIPinchGestureRecognizer*) pinch
{
    //獲取監控圖像視圖
    UIImageView* iView=(UIImageView *)pinch.view;
    //對圖像視圖對象進行矩陣變換計算并賦值
    //transform：表示圖形學中的變換矩陣
    //CGAffineTransformScale：通過縮放的方式產生一個新矩陣
    //參數一；原矩陣
    //參數2，3：xy方向的縮放比例
    //返回值是新的縮放后的矩陣
    iView.transform=CGAffineTransformScale(iView.transform, pinch.scale, pinch.scale);
    
    //將縮放值歸位為1
    pinch.scale=1;
}

注意：ios中虛擬機調試想模擬兩個手指操作時，按住Alt鍵+鼠標左鍵即可。

3. 旋轉手勢操作

首先在ViewController.h中定義一個旋轉手勢：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}

    //定義一個旋轉手勢
    UIRotationGestureRecognizer* _rotGes;

在ViewController.m中創建：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #4f8187}span.s5 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s6 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}

    //創建旋轉手勢
    _rotGes=[[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotAct:)];
    [_imageView addGestureRecognizer:_rotGes];

之后實現這個響應事件rotAct:

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s4 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s5 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s6 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s7 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s8 {font-variant-ligatures: no-common-ligatures; color: #272ad8}

//旋轉手勢響應事件函數的實現
-(void)rotAct:(UIRotationGestureRecognizer*)rot
{
    UIImageView* iView=(UIImageView*) rot.view;
    iView.transform=CGAffineTransformRotate(iView.transform, rot.rotation);
    //角度清零
    rot.rotation=0;
}

同時進行縮放和旋轉操作

需要用到一個協議 :<UIGestureRecognizerDelegate>
在ViewController.h中：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}span.s1 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s2 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s3 {font-variant-ligatures: no-common-ligatures}

@interface ViewController : UIViewController <UIGestureRecognizerDelegate>

然后在ViewController.m中設置代理：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #4f8187}span.s1 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font-variant-ligatures: no-common-ligatures; color: #4f8187}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s5 {font-variant-ligatures: no-common-ligatures; color: #703daa}

    _rotGes.delegate=self;
    _pinchGes.delegate=self;

最后實現代理函數：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #bb2ca2}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s4 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s5 {font-variant-ligatures: no-common-ligatures; color: #000000}

//代理的協議函數
//是否同時響應兩個手勢
-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{
    return YES;
}

4. 平移手勢操作

直接在.m中創建：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s5 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s6 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s7 {font-variant-ligatures: no-common-ligatures; color: #4f8187}

    //創建平移手勢對象
    //注意：持續調用
    UIPanGestureRecognizer* pan=[[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panAct:)];
    [_imageView addGestureRecognizer:pan];

注意：這個事件函數是持續被調用的

實現事件函數：
這個事件函數可以獲取相對坐標和移動的相對速度

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #d12f1b}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s4 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s5 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s6 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s7 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s8 {font-variant-ligatures: no-common-ligatures; color: #4f8187}span.s9 {font-variant-ligatures: no-common-ligatures; color: #272ad8}

//平移手勢響應事件
-(void)panAct:(UIPanGestureRecognizer*) pan
{
    //獲取移動的坐標。相對于視圖
    CGPoint pt=[pan translationInView:self.view];
    NSLog(@"x=%.2f, y=%.2f",pt.x,pt.y);
    //獲取移動時的相對速度
    CGPoint pV=[pan velocityInView:self.view];
    NSLog(@"Vx=%.2f,Vy=%.2f",pV.x,pV.y);
    
    _imageView.frame=CGRectMake(_imageView.frame.origin.x+pV.x*0.01, _imageView.frame.origin.y+pV.y*0.01, 200, 300);
}

5. 滑動手勢操作

直接在.m中創建：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}span.s1 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s5 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s6 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s7 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s8 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s9 {font-variant-ligatures: no-common-ligatures; color: #4f8187}

    //創建滑動手勢
    UISwipeGestureRecognizer* swipe=[[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipeAct:)];
    //設定滑動手勢接受事件類型
    //上下左右四種
    swipe.direction=UISwipeGestureRecognizerDirectionLeft | UISwipeGestureRecognizerDirectionRight;

    [_imageView removeGestureRecognizer:pan];
    [_imageView addGestureRecognizer:swipe];

實現：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s4 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s5 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s6 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s7 {font-variant-ligatures: no-common-ligatures; color: #d12f1b}

//滑動手勢響應事件
-(void)swipeAct:(UISwipeGestureRecognizer*) swipe
{
    if (swipe.direction & UISwipeGestureRecognizerDirectionLeft) {
        NSLog(@"left");
    }
    else if (swipe.direction & UISwipeGestureRecognizerDirectionRight)
    {
        NSLog(@"right");
    }
}

有個問題，不管向右向左滑動，識別出來都是向左滑動。。

6. 長按手勢操作

直接創建長按手勢：
同時設置最短時間，即多久就被認為是長按操作

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}span.s1 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures}span.s4 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s5 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s6 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #000000}span.s7 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s8 {font-variant-ligatures: no-common-ligatures; color: #272ad8}span.s9 {font-variant-ligatures: no-common-ligatures; color: #4f8187}

    //創建長按手勢
    UILongPressGestureRecognizer* longPress=[[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(pressLong:)];
    //設置長按手勢時間
    longPress.minimumPressDuration=0.5;
    [_imageView addGestureRecognizer:longPress];

實現事件函數，同時觀察生命周期：

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Heiti SC Light'; color: #008400}p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #703daa}p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo}p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #3d1d81}p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #d12f1b}p.p6 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; min-height: 13.0px}span.s1 {font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures}span.s2 {font-variant-ligatures: no-common-ligatures}span.s3 {font-variant-ligatures: no-common-ligatures; color: #000000}span.s4 {font-variant-ligatures: no-common-ligatures; color: #bb2ca2}span.s5 {font-variant-ligatures: no-common-ligatures; color: #703daa}span.s6 {font-variant-ligatures: no-common-ligatures; color: #3d1d81}span.s7 {font-variant-ligatures: no-common-ligatures; color: #d12f1b}span.s8 {font: 11.0px 'Heiti SC Light'; font-variant-ligatures: no-common-ligatures; color: #d12f1b}

//長按手勢響應函數
-(void)pressLong:(UILongPressGestureRecognizer*)press
{
    if (press.state==UIGestureRecognizerStateBegan) {
        NSLog(@"start press");
    }
    else if (press.state==UIGestureRecognizerStateEnded)
    {
        NSLog(@"press ended");
    }
    NSLog(@"長按手勢");
    
}

屏幕快照 2016-11-19 下午4.41.24.png

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美国产综合欧美视频

UIGesture

UIGesture

1. 單雙擊操作

2. 縮放手勢操作

3. 旋轉手勢操作

同時進行縮放和旋轉操作

4. 平移手勢操作

5. 滑動手勢操作

6. 長按手勢操作

推薦閱讀更多精彩內容

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美 国产 综合 欧美 视频

UIGesture

1. 單雙擊操作

2. 縮放手勢操作

3. 旋轉手勢操作

同時進行縮放和旋轉操作

4. 平移手勢操作

5. 滑動手勢操作

6. 長按手勢操作

推薦閱讀更多精彩內容

三个男躁一个女,国精产品一区一手机的秘密,麦子交换系列最经典十句话,欧美国产综合欧美视频