UIScrollView's origin changes after popping back to the UIViewController

Question

I have a UIViewController subclass as a scene in the storyboard that contains a UIScrollView containing various subviews. One of the subviews is a

Answer 1

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];

    if ([[[UIDevice currentDevice] systemVersion] floatValue] < 7) {
        _isRecoredforios6 = YES;
        _recordedOffsetforios6 = _scrollView.contentOffset;
        _recordedSizeforios6 = _scrollView.contentSize;
        _scrollView.contentOffset = CGPointZero;
    }

}

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];

    if (_isRecoredforios6) {
        _isRecoredforios6 = NO;
        _scrollView.contentSize = _recordedSizeforios6;
        _scrollView.contentOffset = _recordedOffsetforios6;
    }
}

I have fixed this ios6 bug , can be solved using these codes. I solved bug occurred in Scrollview. Thank above all my friends!