Cordova/Ionic Android app can't receive response when default cordova onReceivedSslError is called

问题

I have a issue when using release build android app calling an api to an invalid ssl certificate server.

From what i know. in release build, if the api server's ssl certificate is invalid, Cordova will call below method.

org.apache.cordova.engine.SystemWebViewClient.onReceivedSslError()

/**
 * Notify the host application that an SSL error occurred while loading a resource.
 * The host application must call either handler.cancel() or handler.proceed().
 * Note that the decision may be retained for use in response to future SSL errors.
 * The default behavior is to cancel the load.
 *
 * @param view          The WebView that is initiating the callback.
 * @param handler       An SslErrorHandler object that will handle the user's response.
 * @param error         The SSL error object.
 */
@Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {

    final String packageName = parentEngine.cordova.getActivity().getPackageName();
    final PackageManager pm = parentEngine.cordova.getActivity().getPackageManager();

    ApplicationInfo appInfo;
    try {
        appInfo = pm.getApplicationInfo(packageName, PackageManager.GET_META_DATA);
        if ((appInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) {
            // debug = true
            handler.proceed();
            return;
        } else {
            // debug = false
            super.onReceivedSslError(view, handler, error);
        }
    } catch (NameNotFoundException e) {
        // When it doubt, lock it out!
        super.onReceivedSslError(view, handler, error);
    }
}

and then below method will be called. super.onReceivedSslError(view, handler, error);

which isandroid.webkit.SslErrorHandler.cancel()

    /**
 * Cancel this request and all pending requests for the WebView that had
 * the error.
 */
public void cancel() {
    sendMessage(obtainMessage(HANDLE_RESPONSE, 0, 0));
}

My problem is my app is waiting for the response forever and never get any response. Only if i setup a timeout in my frontend, or it will be waiting response forever...

What will be the response when above SslErrorHandler.cancel() is called? Do i need to override this default behavior in my app to create a plugin or something? Or is there something wrong with my app?

Does anyone have a familiar issue. Thanks in advance.

Updated on 2019/12/11

After several research and investigation. I figured this out.

Since the request is cancelled, there will be no response, so front end app (angular) will not get any response until timeout.

So i created a custom plugin to handle the ssl error.

来源：https://stackoverflow.com/questions/59208176/cordova-ionic-android-app-cant-receive-response-when-default-cordova-onreceived

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android

cordova

ionic4