Tips: Размеры некоторых элементов экрана iPhone/iPad

CGRect rect;

// Get screen dimensions

rect = [[UIScreen mainScreen] bounds];

NSLog(@"Bounds: %@", NSStringFromCGRect(rect));

// Get application frame dimensions (basically screen - status bar)

rect = [[UIScreen mainScreen] applicationFrame];

NSLog(@"App Frame: %@", NSStringFromCGRect(rect));

// Get status bar frame dimensions

rect = [[UIApplication sharedApplication] statusBarFrame];

NSLog(@"Statusbar frame: %@", NSStringFromCGRect(rect));