user3267017 user3267017 - 13 days ago 5
iOS Question

How to add navigation controller programmatically?

I use code bellow, but it is not loaded:

UIStoryboard * storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
self.mapViewController = [storyboard instantiateViewControllerWithIdentifier:@"MapViewController"];
self.navigationController = [[UINavigationController alloc]initWithRootViewController:self];

self.navigationBar = [[UINavigationBar alloc]init];
[self.view addSubview:self.navigationBar];

[self.navigationController.navigationController pushViewController:self.mapViewController animated:YES];

Answer

try as below

UIViewController *bbp=[[UIViewController alloc]initWithNibName:@"UIViewController" bundle:nil];
UINavigationController *passcodeNavigationController = [[UINavigationController alloc] initWithRootViewController:bbp];
// [self.navigationController presentModalViewController:passcodeNavigationController animated:YES];
  [self.navigationController pushViewController:passcodeNavigationController animated:YES];
  [passcodeNavigationController release];
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