DeWu Technology
May 29, 2023 · Mobile Development
iOS WebView Crash Analysis and Solution
The article investigates a rapid increase in WebView crashes on iOS 4.9.x caused by a UIScrollView animation accessing a released object after an H5 page is dismissed, discovers the offending WKChildScrollView delegate (WKScrollingNodeScrollViewDelegate), and resolves the issue by nullifying that delegate in the view’s deallocation, supplementing earlier gesture‑disable workarounds.
Technical SolutionWebViewcrash analysis
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