手勢，手勢圖片

手勢，手勢圖片

效果

 

細節

1.UITouch

#import "ViewController_0.h"@interface ViewController_0 ()@property (nonatomic, strong)UILabel *label;@end@implementation ViewController_0- (void)viewDidLoad {        [super viewDidLoad];        self.label                   = [[UILabel alloc] initWithFrame:CGRectMake(100, 100, 100, 100)];    self.label.backgroundColor   = [UIColor yellowColor];    self.label.layer.borderWidth = 1;    [self.view addSubview:self.label];        UILabel *textlabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 80, 200, 45)];    textlabel.text     = @"拖動方塊";    [textlabel sizeToFit];    textlabel.font     = [UIFont systemFontOfSize:12];    [self.view addSubview:textlabel];}- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event {    //1.拿到手勢    UITouch *touch = [touches anyObject];        //2.拿到touch 所在view的座標    CGPoint point = [touch locationInView:self.view];        //3.讓label拿到座標    self.label.center = point;        NSLog(@"1.手指接觸到了螢幕");}- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event {    //1.拿到手勢    UITouch *touch = [touches anyObject];        //2.拿到touch 所在view的座標    CGPoint point = [touch locationInView:self.view];        //3.讓label拿到座標    self.label.center = point;        NSLog(@"2.手指在螢幕上移動");}- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event {     NSLog(@"3.手指剛離開螢幕");}- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event {    NSLog(@"4.手勢失效了");}@end

 

2.UITapGestureRecognizer

#import "ViewController_1.h"@interface ViewController_1 ()@property (nonatomic, strong) UILabel *label;@end@implementation ViewController_1- (void)viewDidLoad {        [super viewDidLoad];    UILabel *textlabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 80, 200, 45)];    textlabel.text     = @"電腦上操作tap手勢 alt +shift 需要連續點擊次數2次";    [textlabel sizeToFit];    textlabel.font     = [UIFont systemFontOfSize:12];    [self.view addSubview:textlabel];        self.label                        = [[UILabel alloc] initWithFrame:CGRectMake(100, 150, 100, 100)];    self.label.backgroundColor        = [UIColor orangeColor];    self.label.userInteractionEnabled = YES;    self.label.text                   = @"0";    self.label.textAlignment          = NSTextAlignmentCenter;    [self.view addSubview:self.label];        // 1.建立tap手勢    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(labelTap:)];    tap.numberOfTapsRequired    = 2; //需要輕輕點擊的次數    tap.numberOfTouchesRequired = 2;//需要的手指數量 ：2根手指alt +shift 需要匹配點擊次數2次（其實直接用預設的就好）    [self.label addGestureRecognizer:tap];}- (void)labelTap:(UITapGestureRecognizer *)tap {    int num = [self.label.text intValue];    num++;    self.label.text = [NSString stringWithFormat:@"%d",num ];}@end

 

3.UILongPressGestureRecognizer

#import "ViewController_2.h"@interface ViewController_2 () <UIGestureRecognizerDelegate>@property (nonatomic, strong) UILabel *label;@end@implementation ViewController_2- (void)viewDidLoad {        [super viewDidLoad];        UILabel *textlabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 80, 200, 45)];    textlabel.text     = @"long長按手勢";    [textlabel sizeToFit];    textlabel.font     = [UIFont systemFontOfSize:12];    [self.view addSubview:textlabel];        self.label                        = [[UILabel alloc] initWithFrame:CGRectMake(40, 150, 200, 150)];    self.label.backgroundColor        = [UIColor grayColor];    self.label.userInteractionEnabled = YES;    self.label.text                   = @"0";    self.label.textAlignment          = NSTextAlignmentCenter;    [self.view addSubview:self.label];        UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPressAction:)];    longPress.numberOfTapsRequired          = 1;    longPress.numberOfTouchesRequired       = 1;    longPress.minimumPressDuration          = 1.0;    longPress.delegate   = self;    [self.label addGestureRecognizer:longPress];}- (void)longPressAction:(UILongPressGestureRecognizer *)longPress {    if(longPress.state == UIGestureRecognizerStateBegan) {                NSLog(@"手勢狀態開始");            } else if(longPress.state == UIGestureRecognizerStateEnded) {                NSLog(@"手勢狀態結束");        } else if(longPress.state == UIGestureRecognizerStateChanged) {                NSLog(@"手勢狀態改變");                NSInteger num = [self.label.text integerValue];        num ++;        self.label.text = [NSString stringWithFormat:@"%ld",(long)num];    }}@end 

 

4.UISwipeGestureRecognizer

#import "ViewController_3.h"@interface ViewController_3 ()@property (nonatomic, strong) UILabel *label;@end@implementation ViewController_3- (void)viewDidLoad {        [super viewDidLoad];     UILabel *textlabel      = [[UILabel alloc] initWithFrame:CGRectMake(10, 80, 200, 45)];    textlabel.text          = @"swipe手勢 向右滑動1,你也可以設定左划上划下劃";    textlabel.numberOfLines = 0;    textlabel.font          = [UIFont systemFontOfSize:12];    [self.view addSubview:textlabel];        self.label                        = [[UILabel alloc] initWithFrame:CGRectMake(100, 150, 100, 100)];    self.label.backgroundColor        = [UIColor grayColor];    self.label.userInteractionEnabled = YES;    self.label.text                   = @"0";    self.label.textAlignment          = NSTextAlignmentCenter;    [self.view addSubview:self.label];    UISwipeGestureRecognizer *swipeGesture = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeAction:)];    swipeGesture.direction                 = UISwipeGestureRecognizerDirectionRight;//預設就是向右劃    [self.label addGestureRecognizer:swipeGesture];}-(void)swipeAction:(UISwipeGestureRecognizer *)swipe {    if (swipe.direction == UISwipeGestureRecognizerDirectionLeft) {                NSLog(@"現在響應左劃手勢");            } else if (swipe.direction == UISwipeGestureRecognizerDirectionRight) {                NSLog(@"現在響應右劃手勢");                NSInteger num   = [self.label.text integerValue];        num ++;        self.label.text = [NSString stringWithFormat:@"%ld",(long)num];            } else if (swipe.direction == UISwipeGestureRecognizerDirectionUp) {                NSLog(@"現在響應上劃手勢");            } else if (swipe.direction == UISwipeGestureRecognizerDirectionDown) {                NSLog(@"現在響應下劃手勢");    }}@end

 

 5.UIPanGestureRecognizer

#import "ViewController_4.h"@interface ViewController_4 ()@property (nonatomic, strong) UILabel *label;@end@implementation ViewController_4- (void)viewDidLoad {        [super viewDidLoad];        UILabel *textlabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 80, 200, 45)];    textlabel.text     = @"pan手勢,拖動方塊";    [textlabel sizeToFit];    textlabel.font     = [UIFont systemFontOfSize:12];    [self.view addSubview:textlabel];    self.label                        = [[UILabel alloc] initWithFrame:CGRectMake(100, 100, 100, 100)];    self.label.backgroundColor        = [UIColor grayColor];    self.label.userInteractionEnabled = YES;    self.label.text                   = @"0";    self.label.textAlignment          = NSTextAlignmentCenter;    [self.view addSubview:self.label];    UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panAction:)];    [self.label addGestureRecognizer:pan];}- (void)panAction:(UIPanGestureRecognizer *)pan {        CGPoint offset    = [pan  locationInView:self.view];    self.label.center = offset;}@end

 

6.UIRotationGestureRecognizer

#import "ViewController_5.h"@interface ViewController_5 ()@property (nonatomic, strong) UILabel *label;@end@implementation ViewController_5- (void)viewDidLoad {        [super viewDidLoad];        UILabel *textlabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 80, 200, 45)];    textlabel.text     = @"模擬器測試旋轉手勢時，按住 option鍵，再用觸摸板或滑鼠操作";    textlabel.font     = [UIFont systemFontOfSize:12];    textlabel.numberOfLines = 0;    [self.view addSubview:textlabel];    self.label                        = [[UILabel alloc] initWithFrame:CGRectMake(40, 200, 200, 50)];    self.label.backgroundColor        = [UIColor grayColor];    self.label.userInteractionEnabled = YES;    self.label.text                   = @"we are friends";    self.label.textAlignment          = NSTextAlignmentCenter;    [self.view addSubview:self.label];        //（模擬器測試捏合和旋轉手勢時，按住 option 鍵，再用觸摸板或滑鼠操作）    UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotationAction:)];    [self.view addGestureRecognizer:rotation];}- (void)rotationAction:(UIRotationGestureRecognizer *)rotation {        self.label.transform = CGAffineTransformRotate(self.label.transform, rotation.rotation);    rotation.rotation = 0; // 這個很重要!!!!!//    static float  orginState;//    //    self.label.transform = CGAffineTransformMakeRotation(rotation.rotation + orginState);//    //    if (rotation.state == UIGestureRecognizerStateEnded) {//        //        orginState = orginState + rotation.state;//        self.label.transform = CGAffineTransformMakeRotation(rotation.rotation);//    }}@end

 

7.UIPinchGestureRecognizer

#import "ViewController_6.h"@interface ViewController_6 ()@property (nonatomic, strong) UILabel *label;@end@implementation ViewController_6- (void)viewDidLoad {        [super viewDidLoad];      UILabel *textlabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 80, 200, 45)];    textlabel.text     = @"模擬器測試捏合手勢時，按住 option鍵，再用觸摸板或滑鼠操作";    textlabel.font     = [UIFont systemFontOfSize:12];    textlabel.numberOfLines = 0;    [self.view addSubview:textlabel];        self.label                        = [[UILabel alloc] initWithFrame:CGRectMake(100, 250, 80, 80)];    self.label.backgroundColor        = [UIColor grayColor];    self.label.userInteractionEnabled = YES;    self.label.text                   = @"0";    self.label.textAlignment          = NSTextAlignmentCenter;    [self.view addSubview:self.label];    //    （模擬器測試捏合和旋轉手勢時，按住 option 鍵，再用觸摸板或滑鼠操作）    UIPinchGestureRecognizer * pinch = [[UIPinchGestureRecognizer alloc]initWithTarget:self action:@selector(pichGesture:)];    [self.view addGestureRecognizer:pinch];}- (void)pichGesture:(UIPinchGestureRecognizer *)pinch {        static float originScale = 1;        //手勢縮放返回的scale  是相對於上一次的    self.label.transform = CGAffineTransformMakeScale(pinch.scale * originScale , pinch.scale*originScale);        if (pinch.state == UIGestureRecognizerStateEnded) {                originScale = originScale * pinch.scale;    }}@end