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.. -*- Mode: rst; fill-column: 80; -*-
Getting Started with GeckoView
######################################
How to use GeckoView in your Android app.
*Building a browser? Check out* `Android Components <https://mozilla-mobile.github.io/firefox-android/>`_, *our collection of ready-to-use support libraries!*
The following article is a brief guide to embedding GeckoView in an app. For a more in depth tutorial on getting started with GeckoView please read the article we have published on `raywenderlich.com <https://www.raywenderlich.com/1381698-android-tutorial-for-geckoview-getting-started>`_.
.. contents:: :local:
Configure Gradle
=================
You need to add or edit four stanzas inside your module's ``build.gradle`` file.
**1. Set the GeckoView version**
*Like Firefox, GeckoView has three release channels: Stable, Beta, and Nightly. Browse the* `Maven Repository <https://maven.mozilla.org/?prefix=maven2/org/mozilla/geckoview/>`_ *to see currently available builds.*
.. code-block:: groovy
ext {
geckoviewChannel = <channel>
geckoviewVersion = <version>
}
**2. Add Mozilla's Maven repository**
.. code-block:: groovy
repositories {
maven {
url "https://maven.mozilla.org/maven2/"
}
}
**3. Java 17 required support**
As GeckoView uses some Java 17 APIs, it requires these compatibility flags:
.. code-block:: groovy
compileOptions {
sourceCompatibility JavaVersion.VERSION_17
targetCompatibility JavaVersion.VERSION_17
}
**4. Add GeckoView Implementations**
.. code-block:: groovy
dependencies {
// ...
implementation "org.mozilla.geckoview:geckoview-${geckoviewChannel}:${geckoviewVersion}"
}
Add GeckoView to a Layout
==========================
Inside a layout ``.xml`` file, add the following:
.. code-block:: xml
<org.mozilla.geckoview.GeckoView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/geckoview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
Initialize GeckoView in an Activity
====================================
**1. Import the GeckoView classes inside an Activity:**
.. code-block:: java
import org.mozilla.geckoview.GeckoRuntime;
import org.mozilla.geckoview.GeckoSession;
import org.mozilla.geckoview.GeckoView;
**2. Create a ``static`` member variable to store the ``GeckoRuntime`` instance.**
.. code-block:: java
private static GeckoRuntime sRuntime;
**3. In that activity's** ``onCreate`` **function, add the following:**
.. code-block:: java
GeckoView view = findViewById(R.id.geckoview);
GeckoSession session = new GeckoSession();
// Workaround for Bug 1758212
session.setContentDelegate(new GeckoSession.ContentDelegate() {});
if (sRuntime == null) {
// GeckoRuntime can only be initialized once per process
sRuntime = GeckoRuntime.create(this);
}
session.open(sRuntime);
view.setSession(session);
session.loadUri("about:buildconfig"); // Or any other URL...
You're done!
==============
Your application should now load and display a webpage inside of GeckoView.
To learn more about GeckoView's capabilities, review GeckoView's `JavaDoc <https://mozilla.github.io/geckoview/javadoc/mozilla-central/>`_ or the `reference application <https://searchfox.org/mozilla-central/source/mobile/android/geckoview_example>`_.
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