Cannot Present View Controller From App Delegate

Question

I need to present view controller from App Delegate I did it by the following code:

MyViewController *controller = [[MyViewController alloc] init];
[self.window.rootViewController presentViewController:controller animated:YES completion:NULL];

Application Shows Black Screen. How can I do that?

Answer 1

You need to set RootViewController of window as :

MyViewController *controller = [[MyViewController alloc] init];

[self.window setRootViewController:controller];