iOS 9: tintColor for UIAlertController overriden by application window's tintColor

Number:rdar://22209332 Date Originated:10-Aug-2015
Status:Closed Resolved:29-Jan-2016
Product:iOS Product Version:iOS 9.0 (13A4325c)
Classification: Reproducible:Always
When an application window's tintColor is set to white, any UIAlertController launched bears the same tintColor even when the instance of the UIAlertContoller is set to something else, e.g. alertController.view.tintColor = [UIColor blackColor];

Steps to Reproduce:
1. Create a test app.
2. On - application:didFinishLaunchingWithOptions: set self.window.tintColor = [UIColor whiteColor];
3. Create a viewContoller that launches a UIAlertController. Set its tintColor to something, e.g. alertController.view.tintColor = [UIColor blackColor];

Expected Results:
Alert controller's tintColor is set to the assigned tintColor, e.g. black.

Actual Results:
Alert controller's tintColor is set to the application window's tintColor.

iOS 9.0 (13A4325c)

Run the test app attached

iPhone 6


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