ios 手势 事件

#import "ViewController.h"#import "TouchView.h"#import "TouchPinch.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad{    [super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.    //单击    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tap:)];    [self.view addGestureRecognizer:tap];    [tap release];    //双击, 只能识别双击    UITapGestureRecognizer *doubleTap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(doubleTap:)];    doubleTap.numberOfTapsRequired = 2;    [self.view addGestureRecognizer:doubleTap];    [doubleTap release];        //取消单击，只有双击,如果存在双击，则点击失效    [tap requireGestureRecognizerToFail:doubleTap];        //轻扫手势 每个手势只能监听一个方向    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swip:)];    swipe.direction = UISwipeGestureRecognizerDirectionLeft;    [self.view addGestureRecognizer:swipe];    [swipe release];        //平移手势（滑动）    UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(pan:)];    [self.view addGestureRecognizer:panGesture];    [panGesture release];        //长按手势，长按时间    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];    longPress.minimumPressDuration = 2;    [self.view addGestureRecognizer:longPress];    [longPress release];        //旋转手势    UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotation:)];    [self.view addGestureRecognizer:rotation];    [rotation release];}- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}#pragma mark action- (void)tap:(UITapGestureRecognizer *)tapGesture{    NSLog(@"单击");}- (void)doubleTap:(UITapGestureRecognizer *)tapGesture{    NSLog(@"双击");}- (void)swip:(UISwipeGestureRecognizer *)swipGesture{    NSLog(@"轻扫手势");}- (void)pan:(UIPanGestureRecognizer *)panGesture{    //平移的坐标，移动    CGPoint p = [panGesture locationInView:self.view];     NSLog(@"平移手势%@", NSStringFromCGPoint(p));}- (void)longPress:(UILongPressGestureRecognizer *)longGesture{    //长按结束才打印。    if (longGesture.state == UIGestureRecognizerStateEnded){        return;    }    NSLog(@"长按");}- (void)rotation:(UIRotationGestureRecognizer *)rotationGesture{    NSLog(@"旋转弧度 %f， 角度,%f", rotationGesture.rotation, rotationGesture.rotation * 180 / M_PI);}@end