本文实例为大家分享了ios手势的具体实现代码，供大家参考，具体内容如下
效果
细节
1.uitouch
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#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 = @"拖动方块";
[textlabel sizetofit];
textlabel.font = [uifont systemfontofsize:12];
[self.view addsubview:textlabel];
}
- (void)touchesbegan:(nsset<uitouch *> *)touches withevent:(nullable uievent *)event {
//1.拿到手势
uitouch *touch = [touches anyobject];
//2.拿到touch 所在view的坐标
cgpoint point = [touch locationinview:self.view];
//3.让label拿到坐标
self.label.center = point;
nslog(@"1.手指接触到了屏幕");
}
- (void)touchesmoved:(nsset<uitouch *> *)touches withevent:(nullable uievent *)event {
//1.拿到手势
uitouch *touch = [touches anyobject];
//2.拿到touch 所在view的坐标
cgpoint point = [touch locationinview:self.view];
//3.让label拿到坐标
self.label.center = point;
nslog(@"2.手指在屏幕上移动");
}
- (void)touchesended:(nsset<uitouch *> *)touches withevent:(nullable uievent *)event {
nslog(@"3.手指刚离开屏幕");
}
- (void)touchescancelled:(nsset<uitouch *> *)touches withevent:(nullable uievent *)event {
nslog(@"4.手势失效了");
}
@end
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2.uitapgesturerecognizer
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#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 = @"电脑上操作tap手势 alt +shift 需要连续点击次数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.创建tap手势
uitapgesturerecognizer *tap = [[uitapgesturerecognizer alloc] initwithtarget:self action:@selector(labeltap:)];
tap.numberoftapsrequired = 2; //需要轻轻点击的次数
tap.numberoftouchesrequired = 2;//需要的手指数量 ：2根手指alt +shift 需要匹配点击次数2次（其实直接用默认的就好）
[self.label addgesturerecognizer:tap];
}
- (void)labeltap:(uitapgesturerecognizer *)tap {
int num = [self.label.text intvalue];
num++;
self.label.text = [nsstring stringwithformat:@"%d",num ];
}
@end
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3.uilongpressgesturerecognizer
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#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长按手势";
[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(@"手势状态开始");
} else if(longpress.state == uigesturerecognizerstateended) {
nslog(@"手势状态结束");
} else if(longpress.state == uigesturerecognizerstatechanged) {
nslog(@"手势状态改变");
nsinteger num = [self.label.text integervalue];
num ++;
self.label.text = [nsstring stringwithformat:@"%ld",(long)num];
}
}
@end
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4.uiswipegesturerecognizer
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#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手势 向右滑动➕1,你也可以设置左划上划下划";
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;//默认就是向右划
[self.label addgesturerecognizer:swipegesture];
}
-(void)swipeaction:(uiswipegesturerecognizer *)swipe {
if (swipe.direction == uiswipegesturerecognizerdirectionleft) {
nslog(@"现在响应左划手势");
} else if (swipe.direction == uiswipegesturerecognizerdirectionright) {
nslog(@"现在响应右划手势");
nsinteger num = [self.label.text integervalue];
num ++;
self.label.text = [nsstring stringwithformat:@"%ld",(long)num];
} else if (swipe.direction == uiswipegesturerecognizerdirectionup) {
nslog(@"现在响应上划手势");
} else if (swipe.direction == uiswipegesturerecognizerdirectiondown) {
nslog(@"现在响应下划手势");
}
}
@end
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5.uipangesturerecognizer
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#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手势,拖动方块";
[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
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6.uirotationgesturerecognizer
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#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 = @"模拟器测试旋转手势时，按住 option键，再用触摸板或鼠标操作";
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];
//（模拟器测试捏合和旋转手势时，按住 option 键，再用触摸板或鼠标操作）
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; // 这个很重要!!!!!
// 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
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7.uipinchgesturerecognizer
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#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 = @"模拟器测试捏合手势时，按住 option键，再用触摸板或鼠标操作";
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];
// （模拟器测试捏合和旋转手势时，按住 option 键，再用触摸板或鼠标操作）
uipinchgesturerecognizer * pinch = [[uipinchgesturerecognizer alloc]initwithtarget:self action:@selector(pichgesture:)];
[self.view addgesturerecognizer:pinch];
}
- (void)pichgesture:(uipinchgesturerecognizer *)pinch {
static float originscale = 1;
//手势缩放返回的scale 是相对于上一次的
self.label.transform = cgaffinetransformmakescale(pinch.scale * originscale , pinch.scale*originscale);
if (pinch.state == uigesturerecognizerstateended) {
originscale = originscale * pinch.scale;
}
}
@end
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。