iOS 7 have a trouble about layout

Question

My app use uitabbar and uinavigationbar .but I encounter a problem in iOS7.1. if I switch page between one with navigationbar and one without navigationbar . the page have scrollview or uitableview ,every time swith,self.view.frame or self.view.bounds is Correct，but scrollview or uitableview 's frame is Correct but bounds.y every time swith will change 20px.one up,one down. i try to change scrollview or uitableview's bounds.y in view will viewWillAppear . CGRect bounds = contentScrollView .bounds; bounds.origin = CGPointMake(0, 0);

contentScrollView.bounds = bounds;

but if i do it,ok,every time swith page is show right,but when i drag the scrollview or uitableview,the layout incorrect.

the demo has upload on github: https://github.com/KingCentLee/HSText I hope someone can help me.the demo in iOS 7 later is normal. just iOS 7 swith page encounter the problem.and can tell the reason.Thank you.

Answer 1

I have seen your code. Try delete the code in viewWillAppear . I'am sorry, I don't have ios7 device. In my memory, it may cause by the system status bar which height is just 20px. This is only a suggestion. ps:I can't add a comment.