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I'm implementing a Geckoview instance inside an android App. Everything looks to work properly and the Geckoview is able to load a URL. My problem is that if a site has a dropdown (select tag, Combobox) when I click in the arrow the options don't appear.

I've tried using different versions and channels of the repositories (nightly, release, beta), and I'm still having the same problem.

I've tried in different devices and versions of android.

When I use browser that use Geckoview (Reference Browser, Firefox Preview) the "dropdowns" work perfectly, so i asume that is a configuration problem in the my implementation of the Geckoview.

GeckoView geckoview;
GeckoSession session;
GeckoRuntime runtime;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    geckoview = findViewById(R.id.geckoviewer);
    session = new GeckoSession();

    session.getSettings().setAllowJavascript(true);
    session.getSettings().setDisplayMode(GeckoSessionSettings.DISPLAY_MODE_FULLSCREEN);
    session.getSettings().setUserAgentMode(GeckoSessionSettings.USER_AGENT_MODE_MOBILE);

    GeckoRuntimeSettings.Builder builder = new GeckoRuntimeSettings.Builder()
            .javaScriptEnabled(true)

            .consoleOutput(true);

    runtime = GeckoRuntime.create(this, builder.build());

    session.open(runtime);
Jesteban116
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1 Answers1

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The reason for that is that GeckoView does not provide a default implementation for that. You need to implement PromptDelegate (and in this case onChoicePrompt()).

See API docs: https://mozilla.github.io/geckoview/javadoc/mozilla-central/org/mozilla/geckoview/GeckoSession.PromptDelegate.html

Reference Browser and Firefox Preview are using the implementation from Mozilla's "Android Components' project. The feature-prompts component implements all those prompts: https://github.com/mozilla-mobile/android-components/tree/master/components/feature/prompts

Another implementation is used by the "GeckoView Example app" and you can find that code here: https://searchfox.org/mozilla-central/source/mobile/android/geckoview_example/src/main/java/org/mozilla/geckoview_example/BasicGeckoViewPrompt.java

pocmo
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  • Thank you. I have implemented and even simplier PromptDelegate based on the Gecko View Example App that you shared. It's working. – Jesteban116 Nov 05 '19 at 13:08
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    Some actual solution for this example would be nice - it's not to be found anywhere on the web. – trainoasis Feb 25 '20 at 11:13