Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?

Question

I ran the following code in both iOS 7 and iOS 8:

UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
BOOL landscape = (orientation == UIInterfaceOrientationLandscapeLeft || orientation == UIInterfaceOrientationLandscapeRight);
NSLog(@"Currently landscape: %@, width: %.2f, height: %.2f", 
      (landscape ? @"Yes" : @"No"), 
      [[UIScreen mainScreen] bounds].size.width, 
      [[UIScreen mainScreen] bounds].size.height);

The following is the result from iOS 8:

Currently landscape: No, width: 320.00, height: 568.00
Currently landscape: Yes, width: 568.00, height: 320.00

Comparing to the result in iOS 7:

Currently landscape: No, width: 320.00, height: 568.00
Currently landscape: Yes, width: 320.00, height: 568.00

Is there any documentation specifying this change? Or is it a temporary bug in iOS 8 APIs?

Answer 1

Yes, it's orientation-dependent in iOS8, not a bug. You could review session 214 from WWDC 2014 for more info: "View Controller Advancements in iOS 8"

Quote from the presentation:

UIScreen is now interface oriented:

• [UIScreen bounds] now interface-oriented
• [UIScreen applicationFrame] now interface-oriented
• Status bar frame notifications are interface-oriented
• Keyboard frame notifications are interface-oriented