因此，当您按下并拖动时，我的应用程序运行良好。我还在InterfaceBuilder中将UIButtons设置为TouchDown。同样，当您拖动时，您需要从UIButton的外部拖动。您不能单击UIButton并拖动到另一个。触摸移动:代码:-(void)touchesMoved:(NSSet*)toucheswithEvent:(UIEvent*)event{UITouch*touch=[[eventtouchesForView:self.view]anyObject];CGPointlocation=[touchlocationInView:touch.view];if(CGRe

我正在尝试在ios中进行拖动。如果拖动移动的距离很短，我将通过比较起始x、y(从touchesBegan开始)与touchesEnd中的x、y来将拖动计为单击事件。似乎touchesEnd永远不会被调用。我设置了一个断点来验证它，断点从未消失。code:-(void)touchesBegan:(NSSet*)toucheswithEvent:(UIEvent*)event{NSUIntegertouchCount=[touchescount];NSUIntegertapCount=[[touchesanyObject]tapCount];[selfUpdateDrag];}-(void