-(void)handelPan:(UIPanGestureRecognizer*)gestureRecognizer{//獲取平移手勢對象在self.view的位置點，并將這個點作為self.aView的center,這樣就實現了拖動的效果 CGPoint curPoint = [gestureRecognizer locationInView:self.view];[self.aView setCenter:curPoint]; } -(void)handelTap:(UITapGestureRecognizer *)gestureRecognizer{NSLog(@"%s",__FUNCTION__);[NSRunLoop cancelPreviousPerformRequestsWithTarget:self];//雙擊事件取消延時 } //單擊方法 -(void)handelSingleTap:(UITapGestureRecognizer*)gestureRecognizer{NSLog(@"%s",__FUNCTION__);[self performSelector:@selector(singleTap:) withObject:nil afterDelay:0.2]; } -(void)singleTap:(id)sender{NSLog(@"%s",__FUNCTION__); }- (void)viewDidLoad {[super viewDidLoad];//創建一個平移手勢對象，該對象可以調用handelPan：方法 UIPanGestureRecognizer *panGes = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handelPan:)];[self.aView addGestureRecognizer:panGes];[panGes release];//創建一個點擊手勢對象，該對象可以調用handelTap：方法 UITapGestureRecognizer *tapGes = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handelTap:)];[self.view addGestureRecognizer:tapGes];[tapGes release];[tapGes setNumberOfTouchesRequired:1];//觸摸點個數 [tapGes setNumberOfTapsRequired:2];//點擊次數//創建一個點擊手勢對象，該對象可以調用handelSingleTap：方法 UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handelSingleTap:)];[self.view addGestureRecognizer:singleTap];[singleTap release];[singleTap setNumberOfTouchesRequired:1];//觸摸點個數 [singleTap setNumberOfTapsRequired:1];//點擊次數 }

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