shouldOverrideUrlLoading - Android

[wmcshane]

I can't seem to get shouldOverrideUrlLoading working on android. I have tested the Example app as well, just to be sure it wasn't my projects setup, however, i see the same issue.

It works fine on IOS, just not Android.

I see the following in the console whenever the InAppWebView is present:
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/art (13736): Attempt to remove non-JNI local reference, dumping thread
W/cr_BindingManager(13736): Cannot call determinedVisibility() - never saw a connection for the pid: 13736

Anyone else experiencing this?

[AlexV525]

This might cause by calling JavaScript binding before onPageFinished too soon on some lower version on Android, e.g. 6 or 7. A possible solution will be make a post delay when loading the custom scripts on lower version of Android.

flutter_inappwebview/android/src/main/java/com/pichillilorenzo/flutter_inappwebview/in_app_webview/InAppWebViewClient.java

Line 214 in f06bcdf

loadCustomJavaScriptOnPageFinished(webView);

[AlexV525]

cc @pichillilorenzo

[mehmetsukrumumbucoglu]

I'm getting the same problem on my Samsung Galaxy Note 5. Android version is 7.0 and API level 24. Can anyone solve this problem. I ask for your help.

[mehmetsukrumumbucoglu]

cc @pichillilorenzo

[manuel-plavsic]

Unfortunately, the same still happens on Android 13.
I tested it with version 6.0.0-beta.12.

[manuel-plavsic]

cc @pichillilorenzo

[manuel-plavsic]

I managed to get it to work. I hadn't thoroughly read the documentation. After setting useShouldOverrideUrlLoading: true inside InAppWebViewSettings, the callback gets called. However, I think you can leave out this setting: if shouldOverrideUrlLoading is set, then useShouldOverrideUrlLoading should be inferred automatically to true in the parts of the plugin where this boolean is needed. Otherwise, shouldOverrideUrlLoading is null (and therefore useShouldOverrideUrlLoading is false). I think that the same applies for onCreateWindow and supportMultipleWindows, and other callback-setting pairs.

[pichillilorenzo]

@manuel-plavsic thanks for the idea! I will add this logic in the 6.x.x version.

[pichillilorenzo]

@manuel-plavsic Released new version 6.0.0-beta.15 with this "feature":

• Automatically infer useShouldOverrideUrlLoading, useOnLoadResource, useOnDownloadStart, useShouldInterceptAjaxRequest, useShouldInterceptFetchRequest, useShouldInterceptRequest, useOnRenderProcessGone, useOnNavigationResponse settings if their value is null and the corresponding event is implemented by the WebView (InAppWebView and HeadlessInAppWebView, not InAppBrowser) before it's native initialization

The supportMultipleWindows, differently from the "use..." settings like above, is mapping the native WebView setting on Android (https://developer.android.com/reference/android/webkit/WebSettings#setSupportMultipleWindows(boolean)), so I will leave it as it is.

[manuel-plavsic]

I tried it, and it works! Thank you for the simpler logic!

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