第3月30天 UIImage imageWithContentsOfFile卡顿

Posted 2020-08-25 lianhuaren

1.

UIImage imageWithContentsOfFile卡顿

 

[[UIImage alloc] initWithContentsOfFile 卡顿

 

2.uitableview scroll to top

 

    NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0];

    [_commentsTab scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionNone animated:NO];

 

修改为

[mainTableView setContentOffset:CGPointZero animated:YES];

http://stackoverflow.com/questions/724892/uitableview-scroll-to-the-top