今天在做WKWebView下载文件的时候报了个错
'Completion handler passed to -[ArticleDetailViewController webView:decidePolicyForNavigationAction:decisionHandler:] was not called'
后来发现decidePolicyForNavigationAction这个代理在写if else的时候decisionHandler
今天在做WKWebView下载文件的时候报了个错
'Completion handler passed to -[ArticleDetailViewController webView:decidePolicyForNavigationAction:decisionHandler:] was not called'
后来发现decidePolicyForNavigationAction这个代理在写if else的时候decisionHandler
本文标题：'Completion handler passed to -[
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