【代碼筆記】可以向左(右)滑動,代碼筆記滑動
一,。
二,代碼。
RootViewController.m
- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view. self.title=@"可以向左(右)滑動"; //向右滑動 UISwipeGestureRecognizer *recognizerLeft; recognizerLeft = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromLeft:)]; [recognizerLeft setDirection:(UISwipeGestureRecognizerDirectionLeft)]; [self.view addGestureRecognizer:recognizerLeft]; //向左滑動 UISwipeGestureRecognizer *recognizerRight; recognizerRight = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFromRight:)]; [recognizerRight setDirection:(UISwipeGestureRecognizerDirectionRight)]; [self.view addGestureRecognizer:recognizerRight];}#pragma -mark -手勢滑動//向左滑動-(void)handleSwipeFromLeft:(UISwipeGestureRecognizer *)recognizer { NSLog(@"-------進入向左手勢滑動姿勢-------------"); if (recognizer.direction==UISwipeGestureRecognizerDirectionLeft) { UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"進入向左手勢滑動姿勢" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil]; [alert show]; }}//向右滑動-(void)handleSwipeFromRight:(UISwipeGestureRecognizer *)recognizer { NSLog(@"-------進入向右手勢滑動姿勢-------------"); if (recognizer.direction==UISwipeGestureRecognizerDirectionRight) { UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"提醒" message:@"進入向右手勢滑動姿勢" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil]; [alert show]; }}