The old way of handling orientation and different devices

gistfile1.m

    UIDevice *device = [UIDevice currentDevice];
    UIDeviceOrientation currentOrientation = device.orientation;
    BOOL isPhone = (device.userInterfaceIdiom == UIUserInterfaceIdiomPhone);
    BOOL isTallPhone = ([[UIScreen mainScreen] bounds].size.height == 568.0);
    if (UIDeviceOrientationIsPortrait(currentOrientation) == YES)
    {
        // Do Portrait Things
        if (isPhone == YES)
        {
            // Do Portrait Phone Things
            // Don't deny you've done this at least once.
            if (isTallPhone)
            {
                // iPhone 5+
            }
            else
            {
                // Old phones
            }
        }
        else
        {
            // Do Portrait iPad things.
        }
    }
    else
    {
        // Do Landscape Things.
        if (isPhone == YES)
        {
            // Do Landscape Phone Things
        }
        else
        {
            // Do Landscape iPad things.
        }
    }