IOS 中的手势

//  Copyright (c) 2015年 zhangxueke. All rights reserved.//#import "RootViewController.h"#import "UIColor+Creat.h"@interface RootViewController ()@end@implementation RootViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    UIView *redView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 568)];    redView.backgroundColor = [UIColor redColor];    [self.view addSubview:redView];    [redView release];    //手势识别器的基类:UIGestureRecognizer        //轻拍手势        {    //1. 创建轻拍对象    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleTapGesture:)];    //设置轻拍的次数    //tapGesture.numberOfTapsRequired = 1;    //设置手指的个数    //tapGesture.numberOfTouchesRequired = 1;   //2. 将手式添加到视图上    [redView addGestureRecognizer:tapGesture];    //3. 释放手式    [tapGesture release];    }            //长按手势        {    //1.创建长按手势对象        UILongPressGestureRecognizer *longGesture = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(handleLongPress:)];        //设置长按手势的识别时间        longGesture.minimumPressDuration = 1;      //2. 添加到视图        [redView addGestureRecognizer:longGesture];        //3. 释放        [longGesture release];            }        //轻扫手势        {    //1.创建对象    UISwipeGestureRecognizer *leftSwipeGesture = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeGesture:)];    //2. 添加到视图    [redView addGestureRecognizer:leftSwipeGesture];    //3. 释放    [leftSwipeGesture release];    //1.创建对象    UISwipeGestureRecognizer *rightSwipeGesture = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeGesture:)];        //设置轻扫方向        rightSwipeGesture.direction = UISwipeGestureRecognizerDirectionLeft;    //2. 添加到视图    [redView addGestureRecognizer:rightSwipeGesture];    //3. 释放    [rightSwipeGesture release];     }         //平移手势         {    //1. 创建平移手势    UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(handlePanGesture:)];    //2. 添加手势到视图    [redView addGestureRecognizer:panGesture];    //3. 释放    [panGesture release];    }            //捏和手式       {        //1.创建捏合手指    UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(handlePinchGesture:)];    //添加到视图    [redView addGestureRecognizer:pinchGesture];    //释放手势    [pinchGesture release];    }            //旋转手势    {    //1.创建旋转手势        UIRotationGestureRecognizer *rotationGesture = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(handleRotationGesture:)];        //2.将旋转手势添加到视图        [redView addGestureRecognizer:rotationGesture];        //3. 释放手势        [rotationGesture release];    }            //屏幕边缘平移手势    {        //1.创建对象        UIScreenEdgePanGestureRecognizer *screenEdgePanGesture = [[UIScreenEdgePanGestureRecognizer alloc]initWithTarget:self action:@selector(handleScreenEdgePanGesture:)];        //设置平移的屏幕边界        //screenEdgePanGesture.edges = UIRectEdgeLeft;//从左边界开始平移        screenEdgePanGesture.edges = UIRectEdgeRight;                //2. 添加到视图        [redView addGestureRecognizer:screenEdgePanGesture];        //3. 释放        [screenEdgePanGesture release];    }    }#pragma mark--handle gesture action//处理屏幕边缘手势- (void)handleScreenEdgePanGesture:(UIScreenEdgePanGestureRecognizer *)screenEdgePanGesture {    //1. 获取平移增量    CGPoint point = [screenEdgePanGesture translationInView:screenEdgePanGesture.view];        //2. 平移视图    screenEdgePanGesture.view.transform =CGAffineTransformTranslate(screenEdgePanGesture.view.transform, point.x, 0);    //3. 将之前增量清零    [screenEdgePanGesture setTranslation:CGPointZero inView:screenEdgePanGesture.view];   }//处理旋转手势- (void)handleRotationGesture:(UIRotationGestureRecognizer *)rotationGesture {    rotationGesture.view.transform = CGAffineTransformRotate(rotationGesture.view.transform, rotationGesture.rotation);    rotationGesture.rotation = 0.0;    }//处理捏合手势- (void)handlePinchGesture:(UIPinchGestureRecognizer *)pinchGesture {    pinchGesture.view.transform = CGAffineTransformMakeScale(pinchGesture.scale, pinchGesture.scale);    pinchGesture.view.transform = CGAffineTransformScale(pinchGesture.view.transform, pinchGesture.scale, pinchGesture.scale);    //将之前的缩放比例置1    pinchGesture.scale = 1;}//处理平移手势- (void)handlePanGesture:(UIPanGestureRecognizer *)panGesture {    //1. 获取平移增量    CGPoint point = [panGesture translationInView:panGesture.view];    //2. 改变视图的位置    panGesture.view.center = CGPointMake(panGesture.view.center.x + point.x, panGesture.view.center.y + point.y);    //3. 将之前的增量清零    [panGesture setTranslation:CGPointZero inView:panGesture.view];      //    //仿射变换//    //1.获取平移增量//    CGPoint point = [panGesture translationInView:panGesture.view];//    //2. 修改视图的transform//    //移的很快//    panGesture.view.transform = CGAffineTransformMakeScale(point.x, point.y);//    //正常移动//    panGesture.view.transform = CGAffineTransformTranslate(panGesture.view.transform, point.x, point.y);//    //不用将增量清零,每次移动都会回到最初为止//    panGesture.view.transform = CGAffineTransformMakeTranslation(point.x, point.y);//    //3. 将之前的增量清零//    [panGesture setTranslation:CGPointZero inView:panGesture.view]; }//处理轻扫手势- (void)handleSwipeGesture:(UISwipeGestureRecognizer *)swipeGesture {    if (swipeGesture.direction == UISwipeGestureRecognizerDirectionRight) {        //当识别为向右扫时,改变自己颜色        swipeGesture.view.backgroundColor = [UIColor randomColor];    }    if (swipeGesture.direction == UISwipeGestureRecognizerDirectionLeft) {        swipeGesture.view.superview.backgroundColor = [UIColor randomColor];    }}//处理长按手势- (void)handleLongPress:(UILongPressGestureRecognizer *)longGesture {    //当手势识别器识别为长按时,触发长按改变颜色    if (longGesture.state == UIGestureRecognizerStateBegan) {        longGesture.view.backgroundColor = [UIColor randomColor];    }    }//处理轻拍手势- (void)handleTapGesture:(UITapGestureRecognizer *)tapGesture {    tapGesture.view.backgroundColor = [UIColor randomColor];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}