pushViewController stuck or viewdidappear fail

Question

I am just pushing new VC like this.

[nav pushViewController:vc animated:YES];

However, it doesn't push. The new view reach the state - viewwillappear but viewDidAppear fail to reach sometime. I can swipe back to go back. I have checked new view frame and it is also normal.

View frame is {{0, 64}, {320, 455}}. May I know where bug can occur?

I create normally like CommentsDetailVC *vc = [[CommentsDetailVC alloc] initWithNibName:@"DetailVC" bundle:nil]; — Khant Thu Linn, Mar 17 '15 at 08:38
Issue happens only for that controller or for any other controller too? — Azat, Mar 17 '15 at 08:44
sometime it happen for other controller too. I wonder what happen. — Khant Thu Linn, Mar 17 '15 at 08:50
Could be the same issue as described here: https://stackoverflow.com/questions/36503224/ios-app-freezes-on-pushviewcontroller — lenooh, Oct 24 '18 at 19:49

score 0 · Answer 1 · answered Mar 17 '15 at 08:51

0

Please check if your UIViewController is pushed or presented. If it is pushed then you can push a new UIViewController then you can push new view controller if it is presented then you can not push.

answered Mar 17 '15 at 08:51

Ravi Gautam

960
2
9
20

u mean my first VC? It is not created by pushing or presented. It is root VC. My second VC is pushed from my first VC. – Khant Thu Linn Mar 17 '15 at 08:54
No your current VC where you are pushing a new view controller. – Ravi Gautam Mar 17 '15 at 08:56
it is not by presented though. – Khant Thu Linn Mar 17 '15 at 09:06
I faced the same issue and I was doing this mistake i.e. I was pushing a viewController(B) on A and then presenting a another viewController(C) on B and again I was pushing a new viewController(D) on C. In this case my viewController(D) was not pushing on B. – Ravi Gautam Mar 17 '15 at 09:15

pushViewController stuck or viewdidappear fail

1 Answers1

Linked