1.
// 允许多个手势并发
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
return YES;
}
http://www.jianshu.com/p/23210a984c5c原文：http://www.cnblogs.com/javastart/p/6515518.html