iOS-响应上下左右滑动手势
2016-08-18 00:00
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摘要: http://blog.csdn.net/shijiucdy/article/details/7364143
-(void)viewDidLoad{ UISwipeGestureRecognizer *recognizer; recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)]; [recognizer setDirection:(UISwipeGestureRecognizerDirectionRight)]; [[self view] addGestureRecognizer:recognizer]; [recognizer release]; recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)]; [recognizer setDirection:(UISwipeGestureRecognizerDirectionLeft)]; [[self view] addGestureRecognizer:recognizer]; [recognizer release]; recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)]; [recognizer setDirection:(UISwipeGestureRecognizerDirectionUp)]; [[self view] addGestureRecognizer:recognizer]; [recognizer release]; UISwipeGestureRecognizer *recognizer; recognizer = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(handleSwipeFrom:)]; [recognizer setDirection:(UISwipeGestureRecognizerDirectionDown)]; [[self view] addGestureRecognizer:recognizer]; [recognizer release]; } -(void)handleSwipeFrom:(UISwipeGestureRecognizer *)recognizer{ if(recognizer.direction==UISwipeGestureRecognizerDirectionDown) { NSLog(@"swipe down"); //执行程序 } if(recognizer.direction==UISwipeGestureRecognizerDirectionUp) { NSLog(@"swipe up"); //执行程序 } if(recognizer.direction==UISwipeGestureRecognizerDirectionLeft) { NSLog(@"swipe left"); //执行程序 } if(recognizer.direction==UISwipeGestureRecognizerDirectionRight) { NSLog(@"swipe right"); //执行程序 } }
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