iOS 中各种手势的用法

#import "ViewController.h"

@interface ViewController ()
{
    UIView *view1;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor brownColor];
    view1 = [[UIView alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
    view1.backgroundColor = [UIColor greenColor];
    [self.view addSubview:view1];
//添加轻点手势
    [self addGesture];
//    平移手势
    [self addPanGesAddSwipeGes];
//    长按手势
    [self longAction];
//    旋转手势
    [self rote];
//    捏合手势
    [self pinchGess];
    
}
#define mark手势轻点
- (void)addGesture{
    //初始化手势识别器
    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]init];
    //设置点击次数
    tap.numberOfTapsRequired = 1;
    //设置触摸点数
    tap.numberOfTouchesRequired = 1;
    //视图添加手势
    [self.view addGestureRecognizer:tap];
    //添加target
    [tap addTarget:self action:@selector(tapAct:)];
    
    //手势的代理设置
    tap.delegate = self;
    
}

- (void)tapAct:(UIGestureRecognizer*)ges{
    NSLog(@"点击了");
}

//添加旋转手势
- (void)rote{
    UIRotationGestureRecognizer *rate = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(RoteAct:)];
    [self.view addGestureRecognizer:rate];
}
#define mark旋转手势 点击手势的方法改变
- (void)RoteAct:(UIRotationGestureRecognizer*)ratation{
    if (ratation.state == UIGestureRecognizerStateChanged) {
    
        view1.transform = CGAffineTransformMakeRotation(ratation.rotation);
   
    }else if(ratation.state == UIGestureRecognizerStateEnded){
        [UIView animateWithDuration:.35 animations:^{
            //取消形变，恢复原状
            view1.transform = CGAffineTransformIdentity;
        }];
       
    }

    
}
#define mark添加平移和清扫手势
- (void)addPanGesAddSwipeGes{
   //创建平移手势
    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc]init];
    pan.delegate = self;
    [self.view addGestureRecognizer:pan];
    // 设置最大识别数
    pan.maximumNumberOfTouches = 1;
//    pan.minimumNumberOfTouches = 1; //最小识别数
    //添加平移手势调用的方法
    [pan addTarget:self action:@selector(panAct:)];
    
    
    //添加清扫手势
    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc]init];
    swipe.delegate = self;
    [self.view addGestureRecognizer:swipe];
    [swipe addTarget:self action:@selector(swipAct:)];
    swipe.direction = UISwipeGestureRecognizerDirectionLeft | UISwipeGestureRecognizerDirectionRight;
#warning 优先级
#define mark  识别器优先级冲突解决方案，优先级低的调用requireGestureRecognizerToFail方法
    [pan requireGestureRecognizerToFail:swipe];
    
}
//平移手势调用的方法
- (void)panAct:(UIPanGestureRecognizer*)ges{
#define mark获取当前位置的偏移量
    CGPoint p = [ges translationInView:self.view];
    NSLog(@"%@",NSStringFromCGPoint(p));
}
//清扫手势调用的方法
- (void)swipAct:(UISwipeGestureRecognizer*)ges{
    NSLog(@"-------%lu",ges.direction);
}

#define mark长按手势
- (void)longAction{
    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]init];
    //设置长按时间
    longPress.minimumPressDuration = 2;
    //添加手势
    [self.view addGestureRecognizer:longPress];
    [longPress addTarget:self action:@selector(action:)];
}
//长按手势调用的方法
- (void)action:(UILongPressGestureRecognizer*)ges{
    if (ges.state == UIGestureRecognizerStateBegan) {
        
    
    UIActionSheet *actionSheet = [[UIActionSheet alloc]initWithTitle:@"是否删除" delegate:nil cancelButtonTitle:@"取消" destructiveButtonTitle:@"确认" otherButtonTitles:@"其它", nil];
    [actionSheet showInView:self.view];
    }

}
#pragma mark-捏合手势
- (void)pinchGess{
    UIPinchGestureRecognizer *pin = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchAction:)];
    [self.view addGestureRecognizer:pin];
}
- (void)pinchAction:(UIPinchGestureRecognizer *)pin{
    if (pin.state == UIGestureRecognizerStateChanged) {
    
        view1.transform = CGAffineTransformMakeScale(pin.scale, pin.scale);
    
    }else if(pin.state == UIGestureRecognizerStateEnded){
        [UIView animateWithDuration:.35 animations:^{
            //取消一切形变
            view1.transform = CGAffineTransformIdentity;
        }];
    }
    
}

#define mark代理方法 识别器将要开始工作
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer{
    
    switch (gestureRecognizer.state) {
            case UIGestureRecognizerStatePossible:
            NSLog(@"等待");
            break;
        case UIGestureRecognizerStateBegan:
            NSLog(@"开始");
            break;
            case UIGestureRecognizerStateChanged:
            NSLog(@"改变");
            break;
            case UIGestureRecognizerStateEnded:
            NSLog(@"结束");
            break;
            case UIGestureRecognizerStateFailed:
            NSLog(@"失败");
        default:
            break;
    }
    return YES;
}
//代理方法,识别器将要识别
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer{
    NSLog(@"////");
    return YES;
}