1.delegate没有设置
2.UICollectionView被其他view覆盖了
3.是手势导致了didSelectRowAtIndexPath事假屏蔽,因为手势时间的优先级大于didSelectRowAtIndexPath回调时间,去掉手势就可以了
3的解决办法:
UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hideKeyBoard)];
tapGesture.delegate = self;
tapGesture.numberOfTouchesRequired = 1;
[self.scrollView addGestureRecognizer:tapGesture];
#pragma mark- UIGestureRecognizerDelegate
-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch{
// 输出点击的view的类名
HXHLog(@"输出=%@", NSStringFromClass([touch.view.superview class]));
// 若为UITableViewCellContentView(即点击了tableViewCell),则不截获Touch事件
if ([NSStringFromClass([touch.view.superview class]) isEqualToString:@"HXHPictureConllectionViewCell"]) {
return NO;
}
return YES;
}