IOS代码笔记之左右滑动效果

时间:2021-05-20

本文实例为大家分享了ios实现左右滑动操作代码,供大家参考,具体内容如下

一、效果图

二、代码
RootViewController.m

- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view. self.title=@"可以向左(右)滑动"; //向右滑动 UISwipeGestureRecognizer *recognizerLeft; recognizerLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromLeft:)]; [recognizerLeft setDirection:(UISwipeGestureRecognizerDirectionLeft)]; [self.view addGestureRecognizer:recognizerLeft]; //向左滑动 UISwipeGestureRecognizer *recognizerRight; recognizerRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromRight:)]; [recognizerRight setDirection:(UISwipeGestureRecognizerDirectionRight)]; [self.view addGestureRecognizer:recognizerRight];}#pragma -mark -手势滑动//向左滑动-(void)handleSwipeFromLeft:(UISwipeGestureRecognizer *)recognizer { NSLog(@"-------进入向左手势滑动姿势-------------"); if (recognizer.direction==UISwipeGestureRecognizerDirectionLeft) { UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"进入向左手势滑动姿势" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil]; [alert show]; }}//向右滑动-(void)handleSwipeFromRight:(UISwipeGestureRecognizer *)recognizer { NSLog(@"-------进入向右手势滑动姿势-------------"); if (recognizer.direction==UISwipeGestureRecognizerDirectionRight) { UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"进入向右手势滑动姿势" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil]; [alert show]; }}

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