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[webview_flutter] onPageStarted, onPageReceiveError callbacks. #1788

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just-kip commented Jul 2, 2019


Add onPageStarted, onPageReceivedError callbacks.
You can catch iOS or Android specific error сodes and http status codes.

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just-kip added 7 commits Jul 2, 2019
@googlebot googlebot added the cla: yes label Jul 2, 2019
just-kip added 2 commits Jul 2, 2019

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amirh commented Jul 11, 2019

Thanks for the contribution!

I started reviewing this and left a few comments. I'm following the initial PR review policy, this PR isn't trivial to review so I'm labeling it with "backlog" and we will prioritize according to the issue's priority.

Relevant issue: flutter/flutter#25100

@amirh amirh added the backlog label Jul 11, 2019
@@ -25,6 +25,10 @@ abstract class WebViewPlatformCallbacksHandler {

/// Invoked by [WebViewPlatformController] when a page has finished loading.
void onPageFinished(String url);

void onPageReceiveError({String url, int code, String description});

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amirh Jul 11, 2019


Needs Dartdoc

/// Signature for when a [WebView] receive a error.
/// Code may be NSURLErrorDomain code or const from Android WebViewClient or http status code.
/// Description is optional
typedef void PageReceiveErrorCallback(String url, int code, String description);

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amirh Jul 11, 2019


Do we have a guarantee that no WebResourceError code will ever be a valid HTTP response code?

I think we should give developers a single way to detect errors that are the same on all platforms (e.g too many redirects).

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