UIWebView safe area inset constants lead to a mess after rotating

Originator:413080524
Number:rdar://35555156 Date Originated:15-Nov-2017 17:58
Status:open Resolved:
Product:OS + SDK Product Version:iOS 11 GM
Classification:UI/Usability Reproducible:Always
 
Summary:
When rotating the device, it appears that the CSS safe-area-inset constants are not getting updated in UIWebView. 

Steps to Reproduce:
1. Load a page with `viewport-fit=cover` and `constant(safe-area-inset-top)` into a fullscreen UIWebView on iPhone X in portrait view (example HTML: http://kg.qq.com/test/landscapev2_1608.html )

2. Rotate the device to landscape view.

3. Rotate the device back to portrait view.

Expected Results:
After rotating  back to portrait view, the safe-area-inset-top should be 44px

Actual Results:
After rotating back to portrait view, the safe-area-inset-top is 0

Version:
UIwebview iOS 11 GM

Notes:
This is fixed in WKWebView, possibly by this:,bug not fixed in UIWebView。

Comments


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