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Editorial Team
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Asked: 2026-05-24T19:05:15+00:00

I am seeing this behavior not documented in Apple’s UIWebViewDelegate: If I return NO

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I am seeing this behavior not documented in Apple’s UIWebViewDelegate:

If I return NO to the delegate function

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {

This function is immediately called with the error 101 (This URL cannot be loaded.).

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {

Since I explicitly cancelled the request, is it even normal for didFailLoadWithError to be invoked?

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1 Answer

  1. Editorial Team

    Update: UIWebView will NOT call didFailLoadWithError if you manually cancel the connection.

    I’ve verified this with testing. The reason why didFailLoadWithError is for something else completely unrelated to UIWebView.

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