iOS UIGestureRecognizer(手势、单击、拖拽 、拖拽、旋转、轻扫 、长按、边缘滑动,功能介绍)

2017-07-27 19:55:15来源:CSDN作者:shihuboke人点击

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//联系人:石虎  QQ: 1224614774昵称:嗡嘛呢叭咪哄

#import "ViewController.h"

@interface ViewController ()

{

    UITapGestureRecognizer *_tap;     //单击

    UIPanGestureRecognizer *_pan;    //拖拽

    UIPinchGestureRecognizer *_pinch;//拖拽

    UIRotationGestureRecognizer *_rotation;    //旋转

    UISwipeGestureRecognizer *_swipe;         //轻扫

    UILongPressGestureRecognizer *_longpress;//长按

    UIScreenEdgePanGestureRecognizer *_edgePan;//边缘滑动手势

}

@property (nonatomic,weak) IBOutletUIView *testView;

@end


@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    [selfaddTapGesture];

    [selfaddPanGesture];

    [selfaddPinchGesture];

    [selfaddRotationGesture];

    [selfaddSwipeGesture];

    [selfaddLongpressGesture];

    [selfaddEdgePanGesture];

    //手势谦让

    [selfgestureHumility];

}

#pragma mark - 手势

//单击

- (void)addTapGesture{

    _tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];

    _tap.numberOfTapsRequired = 1;

    [_testView addGestureRecognizer:_tap];

}


//拖拽

- (void)addPanGesture{

    _pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panAction:)];

    _pan.minimumNumberOfTouches = 1;

    [_testView addGestureRecognizer:_pan];

}


//拖拽

- (void)addPinchGesture{

    _pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pinchAction:)];

    [_testView addGestureRecognizer:_pinch];

}


//旋转

- (void)addRotationGesture{

    _rotation = [[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(rotationAction:)];

    [_testView addGestureRecognizer:_rotation];

}


//轻扫

- (void)addSwipeGesture{

    _swipe = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(swipeAction:)];

    //指定扫动方向

    _swipe.direction = UISwipeGestureRecognizerDirectionDown;

    [_testView addGestureRecognizer:_swipe];

}


//长按

- (void)addLongpressGesture{

    _longpress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longpressAction:)];

    _longpress.minimumPressDuration = 1.0;

    [_testView addGestureRecognizer:_longpress];

}


//边缘滑动手势

- (void)addEdgePanGesture{

    _edgePan = [[UIScreenEdgePanGestureRecognizer alloc]initWithTarget:self action:@selector(edgePanAction:)];

    _edgePan.edges = UIRectEdgeLeft;

    [self.view addGestureRecognizer:_edgePan];

}


#pragma mark - 动作

//单击

- (void)tapAction:(UITapGestureRecognizer *)tap{

    NSLog(@"单击");

}


//拖拽

- (void)panAction:(UIPanGestureRecognizer *)pan{

    NSLog(@"拖拽");

    CGPoint point = [pantranslationInView:pan.view];

    //    pan.view.transform =CGAffineTransformMakeTranslation(point.x, point.y);

    pan.view.transform =CGAffineTransformTranslate(pan.view.transform, point.x, point.y);

    [pan setTranslation:CGPointZeroinView:pan.view];

}


//捏合

- (void)pinchAction:(UIPinchGestureRecognizer *)pinch{

    NSLog(@"捏合");

    pinch.view.transform =CGAffineTransformMakeScale(pinch.scale, pinch.scale);

    

}


//旋转

- (void)rotationAction:(UIRotationGestureRecognizer *)rotation{

    NSLog(@"旋转");

    rotation.view.transform =CGAffineTransformMakeRotation(rotation.rotation);

}


//轻扫

- (void)swipeAction:(UISwipeGestureRecognizer *)swipe{

    NSLog(@"向下轻扫");

}


//长按

- (void)longpressAction:(UILongPressGestureRecognizer *)longpress{

    NSLog(@"长按");

}


//边缘滑动手势

- (void)edgePanAction:(UIScreenEdgePanGestureRecognizer *)edgePan{

    NSLog(@"左边缘滑动");

    UIColor *random = [UIColorcolorWithRed:arc4random()%256/255.0green:arc4random()%256/255.0blue:arc4random()%256/255.0alpha:1.0];

    self.view.backgroundColor = random;

}


#pragma mark - privatemethods//手势谦让

- (void)gestureHumility{

    [_pan requireGestureRecognizerToFail:_swipe];

}

@end


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