There is a really shitty post on stackoverflow about this, filled with nonsense.
I’m working with old OpenGL code. Specifically, code based off GLES2Sample.
There was a slight change around iOS 5.0 or so, requiring you to have a root view controller. If your code is based off older sample code, such as GLES2Sample, then no root view controller was created in those code samples.
To fix GLES2Sample, I know the following fix works. Right in `applicationDidFinishLaunching`, I create a root view controller and attach my glView to it.
- (void) applicationDidFinishLaunching:(UIApplication *)application { // To make the 'Application windows are expected // to have a root view controller // at the end of application launch' warning go away, // you should have a rootviewcontroller, // but this app doesn't have one at all. window.rootViewController = [[UIViewController alloc] init]; // MAKE ONE window.rootViewController.view = glView; // MUST SET THIS UP OTHERWISE // THE ROOTVIEWCONTROLLER SEEMS TO INTERCEPT TOUCH EVENTS }
That makes the warning go away, and doesn’t really affect your app otherwise.
2 Comments
You are great. I wasted hours on this until I found your post. Thanks!
Thanks Bro…you saved me…building something for client and stuck in this silly error.