Question

I have checked other solutions to this problem and none have worked for me.

If I try to authenticate a GKLocalPlayer on my physical iPhone (not the simulator; this works in the simulator), I get the following error:

Terminating app due to uncaught exception 
'UIApplicationInvalidInterfaceOrientation', reason: 'Supported orientations has
no common orientation with the application, and shouldAutorotate is returning YES'

*** First throw call stack:
(0x373463e7 0x33d7e963 0x37346307 0x3815b857 0x382fff21 0x381dfcdd
0x381def6b 0x37349ad4 0x372a128f 0x382fd0f3 0x32acce01 0x30a19793
0x30a195db 0x30a1ce45 0x3731a1b1 0x3728d23d 0x3728d0c9 0x315d733b
0x38147291 0x101a73 0x1019d0)

I have tried to add the following code to the view controller, but nothing changes:

- (NSUInteger)supportedInterfaceOrientations {
    return UIInterfaceOrientationMaskLandscape;
}

This application is only supposed to run in landscape and I can confirm that it only happens when I try to authenticate a player through Game Center. If I take that line out, there are no problems.

EDIT

To clarify, this happens when the following code runs:

- (void)GKLogin
{
    GKLocalPlayer *localPlayer = [GKLocalPlayer localPlayer];
    [localPlayer authenticateWithCompletionHandler:^(NSError *error) {
        if (localPlayer.isAuthenticated)
        {
            NSLog(@"Authenticated");
        }
        else
        {
            NSLog(@"Not Authenticated");
        }
    }];
}

Answer 1

try this in application delegate

- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window {

return (NSUInteger)[application supportedInterfaceOrientationsForWindow:window] | (1<<UIInterfaceOrientationPortrait);

}