iOS 9 Orientation Auto-Rotation Animation Not Working, But Always on Main Thread

Question

iOS 9.0 (13A340) Xcode 7.0 (7A220) OS X 10.10.5 (14F27)

I have a situation where if I rotate the simulator or device (using iPhone 6s sim and iPhone 6+ device), the

Answer 1

I'm facing a similar bug. http://imgur.com/gallery/Q3OXCIH

The rotation animation occurs for the status bar (which has the clock and the battery icon), but the view itself just changes size, it doesn't do the page flip animation.

This is somewhat repeatable- at first, the rotation occurs correctly, but after I programmatically change the tab view controller index, it can trigger. After it triggers, the rotation animation does not occur for the view until after I reset the app.

Code where I change the tab view controller and then change it back:

[appDelegate.tabBarController setSelectedIndex:0];
...code to operate on the code at index 0...
[appDelegate.tabBarController setSelectedIndex:2];