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 |
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 |
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 |
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 |
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 |
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 |
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 |
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。
