iOS 中各种手势的用法

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#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; }