Get the application frame, accounting for current interface orientation

gistfile1.m

+ (CGRect) currentApplicationFrame {
    CGRect appFrame = [[UIScreen mainScreen] applicationFrame];
    
    if (UIInterfaceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation])) {
        return CGRectMake(0.0, 0.0, appFrame.size.height, appFrame.size.width);
    }
    
    return appFrame;
}