嗨我有这个识别器，设置了2个触摸，但它只返回一个，而不是两个CGPoint-(void)gestureLoad{UIGestureRecognizer*recognizer;recognizer=[[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(numTap2:)];[(UITapGestureRecognizer*)recognizersetNumberOfTouchesRequired:2];[self.viewaddGestureRecognizer:recognizer];self.tapReco

我想弄清楚为什么在使用locationOfTouch:inView时出现错误。最终，我仅使用locationOfTouch调用创建了一个新View，并且每当我触摸该View时，我仍然会收到SIGABRT。除了import语句，以下是我认为的所有代码:@interfaceDummy:UIView{UIPanGestureRecognizer*repositionRecognizer;}@end这是实现:@implementationDummy-(id)initWithFrame:(CGRect)frame{self=[superinitWithFrame:frame];if(self){