UIToolbar background extension doesn't automatically adjust for safe area changes
Originator: | zach | ||
Number: | rdar://47966034 | Date Originated: | February 11 2019, 11:53 AM |
Status: | Open | Resolved: | false |
Product: | iOS + SDK | Product Version: | iOS 12.1.3 / Xcode Version 10.1 (10B61) |
Classification: | Other Bug | Reproducible: | Always |
Area: UIKit Summary: Steps to Reproduce: 1. Open attached sample project "Safely". 2. Build and run "Safely" scheme on any iOS simulator or device that has non-zero safe areas. 3. Tap to activate the text field at the top of the screen. 4. Hide the software keyboard, either using the simulator or by connecting a hardware keyboard to a device. 5. Rotate the device. 6. Observe. Expected Results: The toolbar extends its background into the safe area. Upon rotation, that extension updates for the new safe area. Actual Results: The toolbar extends its background into the safe area. Upon rotation, that extension disappears. See attached screenshot. Workaround: Respond to `UIInputViewController.viewSafeAreaInsetsDidChange()` to call `toolbar.setNeedsLayout()`. Side note: Even with this specific issue addressed, the toolbar does not behave like other system controls intended to abut the edge of the screen. That it "extends" its background outside of its bounds instead its contents avoiding safe area is perplexing. Version/Build: Xcode Version 10.1 (10B61) iOS 12.1.3 Configuration: N/A
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