Why black screen display between navigationBar and view

Question

In my project have Two View Controller(First & Second) embed in a navigation controller and Translucent is set NO. but i have used prompt in First ViewController.

I used AutoLayout. if you know the solution with and without AutoLayout i will really happy

when i push to second viewcontroller. i got some black screen under navigation bar

I tried plenty of concept but any helped.

help me How to fix.

NOTE:

Don't say set Translucent is YES. I know if i set yes it works perfectly. but i need achieve with Translucent is NO

Updated 1: Images are updated.

Answer 1

i used this code. but i won't any hardcode solution. if you have know any other solution please share

[UIView animateWithDuration:0.3 animations:^{
        self.view.frame=CGRectMake(0, self.navigationController.navigationBar.frame.size.height+20, 320, 504);
}];