Assertion failure in -[UIApplication _runWithMainScene:transitionContext:completion:],
12,577
Solution 1
here i got the solution by checking if navigationController is nil or not:-
if (self.navigationController== nil)
{
self.navigationController = [[BufferedNavigationController alloc] initWithRootViewController:self.firstViewController];
}
else
{
[self.navigationController setViewControllers:@[self.firstViewController] animated:NO];
}
Solution 2
I had to remove this line from application didFinishLaunchingWithOptions:
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
And that fixed it for me.
Solution 3
Using this row solved my issue (iOS 10):
[self.window setRootViewController:self.navigationController];
Was (worked for older iOS and Xcode):
[self.window addSubview:navigationController.view];
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Author by
Akash Raghani
Updated on October 14, 2022Comments
-
Akash Raghani over 1 year
I am getting the following error in iOS9 only.
Here is my code:-
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; if ([[NSUserDefaults standardUserDefaults] objectForKey:@"login_dict"]) { if ([[NSUserDefaults standardUserDefaults] objectForKey:@"isLogout"] == nil || [[[NSUserDefaults standardUserDefaults] objectForKey:@"isLogout"] integerValue]== 0) { self.loginDict = [[BaseViewController sharedInstance] removeNullFromDictionary:[[NSUserDefaults standardUserDefaults] objectForKey:@"login_dict"]]; self.firstViewController = [[HomeViewController alloc] initWithNibName:@"HomeViewController" bundle:nil]; } if ([[[NSUserDefaults standardUserDefaults] objectForKey:@"isLogout"] integerValue]== 1) { self.firstViewController = [[WelcomeViewController alloc] initWithNibName:@"WelcomeViewController" bundle:nil]; } NSLog(@"Userinfo = %@",self.loginDict); } else { self.firstViewController = [[WelcomeViewController alloc] initWithNibName:@"WelcomeViewController" bundle:nil]; } self.window.backgroundColor = [UIColor whiteColor]; [self.window makeKeyAndVisible]; self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds]; self.navigationController = [[BufferedNavigationController alloc] initWithRootViewController:self.firstViewController]; //[window makeKeyAndVisible]; [self.window setRootViewController:self.navigationController]; }
Note : This code is working fine in Xcode 6.4 and iOS8.
Assertion failure in -[UIApplication _runWithMainScene:transitionContext:completion:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3505.16/UIApplication.m:3294