23899148: SFSafariViewController hangs app UI if user swipe-dismisses it in private browsing mode

[openradar-mirror]

Description

Summary: Using the "Done" button works as expected.

Whenever Safari is in Private Browsing Mode, swiping to dismiss an SFSafariViewController within other apps will cause that app's UI to become inoperable.

Steps to Reproduce:

• Ensure Safari is not in Private Browsing Mode
• Open an app that uses SFSafariViewController, open and swipe-dismiss it a few times to confirm it works
• Switch to Safari, and enable Private Browsing Mode
• Switch back to the test app, open a link, and swipe-dismiss the SFSafariViewController
• The SFSafariViewController dismisses as expected, but now the UI is no longer functional

Expected Results: SFSafariViewController should not break apps.

Actual Results: SFSafariViewController breaks apps' UI.

Demo video: http://drarok.com/iOS/SFSafariViewController%20Bug.mov

Demo Project: http://drarok.com/iOS/SFSafariViewController%20Bug.tar.gz

Duplicate of 23887854 (Open)

Product Version: 9.2 (13C75) Created: 2015-12-15T12:22:29.454170 Originated: 2015-12-15T00:00:00 Open Radar Link: http://www.openradar.me/23899148

[openradar-mirror]

Modified: 2015-12-16T12:04:34.717830

[openradar-mirror]

Modified: 2015-12-16T12:04:34.717830