iOS四个方向的手势代码,ObjC代码库,德仔网

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【ObjC】 iOS四个方向的手势

作者:宝清 / 发布于2014/11/17/ 435


	- (void)handleSwipe:(UISwipeGestureRecognizer *)gesture {
	 UISwipeGestureRecognizerDirection direction = gesture.direction;
	 switch (direction) {
	 case UISwipeGestureRecognizerDirectionLeft:
	
	 break;
	 case UISwipeGestureRecognizerDirectionDown:
	 break;
	 case UISwipeGestureRecognizerDirectionRight:
	 break;
	 case UISwipeGestureRecognizerDirectionUp:
	 break;
	 default:
	 break;
	 }
	}
	
	- (void)viewDidLoad
	{
	 //建立滑动手势
	 //设置滑动方向，下面以此类推
	 UISwipeGestureRecognizer *recognizer;
	
	 //向右滑动
	 recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFrom:)];
	 [recognizer setDirection:(UISwipeGestureRecognizerDirectionRight)];
	 [[self view] addGestureRecognizer:recognizer];
	 [recognizer release];
	
	 //向左滑动
	 recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFrom:)];
	 [recognizer setDirection:(UISwipeGestureRecognizerDirectionLeft)];
	 [[self view] addGestureRecognizer:recognizer];
	 [recognizer release];
	
	 //向上滑动
	 recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipeFrom:)];
	 [recognizer setDirection:(UISwipeGestureRecognizerDirectionUp)];
	 [[self view] addGestureRecognizer:recognizer];
	 [recognizer release];
	
	 //向下滑动
	 recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipe:)];
	 [recognizer setDirection:(UISwipeGestureRecognizerDirectionDown)];
	 [[self view] addGestureRecognizer:recognizer];
	 [recognizer release];
	}

试试其它关键字

　四个方向　　手势　

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