Android geckoview 集成，JS交互，官方demo

官方集成说明

https://firefox-source-docs.mozilla.org/mobile/android/geckoview/consumer/geckoview-quick-start.html

官方JS交互说明

https://firefox-source-docs.mozilla.org/mobile/android/geckoview/consumer/web-extensions.html

官方集成/JS交互实例代码

/* This Source Code Form is subject to the terms of the Mozilla Public* License, v. 2.0. If a copy of the MPL was not distributed with this* file, You can obtain one at http://mozilla.org/MPL/2.0/. */package org.mozilla.geckoview.example.messaging;import android.os.Bundle;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import org.json.JSONException;
import org.json.JSONObject;
import org.mozilla.gecko.util.ThreadUtils;
import org.mozilla.geckoview.GeckoResult;
import org.mozilla.geckoview.GeckoRuntime;
import org.mozilla.geckoview.GeckoRuntimeSettings;
import org.mozilla.geckoview.GeckoSession;
import org.mozilla.geckoview.GeckoView;
import org.mozilla.geckoview.WebExtension;// The apk file for this example can be build using the following mach command:
//
//     mach gradle messaging_example:build
//
// Formatting error reported by Spotless as part of the build can be autofixed
// can be fixed using the mach command:
//
//     mach gradle messaging_example:spotlessApply
//
// After the gradle task messaging_example:build runs successfully, an apk
// file will be stored in the OBJDIR/gradle/build/mobile/android/examples/messaging_example.
// subdirectoriespublic class MainActivity extends AppCompatActivity {private static GeckoRuntime sRuntime;private static final String EXTENSION_LOCATION = "resource://android/assets/messaging/";private static final String EXTENSION_ID = "[e-mail]";// If you make changes to the extension you need to update thisprivate static final String EXTENSION_VERSION = "1.0";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);GeckoView view = findViewById(R.id.geckoview);GeckoSession session = new GeckoSession();if (sRuntime == null) {GeckoRuntimeSettings settings =new GeckoRuntimeSettings.Builder().remoteDebuggingEnabled(true).build();sRuntime = GeckoRuntime.create(this, settings);}WebExtension.MessageDelegate messageDelegate =new WebExtension.MessageDelegate() {@Nullable@Overridepublic GeckoResult<Object> onMessage(final @NonNull String nativeApp,final @NonNull Object message,final @NonNull WebExtension.MessageSender sender) {if (message instanceof JSONObject) {JSONObject json = (JSONObject) message;try {if (json.has("type") && "WPAManifest".equals(json.getString("type"))) {JSONObject manifest = json.getJSONObject("manifest");Log.d("MessageDelegate", "Found WPA manifest: " + manifest);}} catch (JSONException ex) {Log.e("MessageDelegate", "Invalid manifest", ex);}}return null;}};// Let's make sure the extension is installedsRuntime.getWebExtensionController().ensureBuiltIn(EXTENSION_LOCATION, "[e-mail]").accept(// Set delegate that will receive messages coming from this extension.extension ->ThreadUtils.runOnUiThread(new Runnable() {@Overridepublic void run() {session.getWebExtensionController().setMessageDelegate(extension, messageDelegate, "browser");}}),// Something bad happened, let's log an errore -> Log.e("MessageDelegate", "Error registering extension", e));session.open(sRuntime);view.setSession(session);session.loadUri("https://mobile.twitter.com");}
}