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flipper/docs/getting-started/android-native.mdx
John Knox 5f1a0548f5 Migrate website to Docusaurus 2
Summary:
Docusaurus 2 is quite a lot more powerful than docu 1 it turns out.
This should convert the website fully.

* [done] Go through migration guide https://v2.docusaurus.io/docs/migrating-from-v1-to-v2
* [done] Convert landing page html
* [done] Convert all images to img tags
* [done] Convert all .md files to .mdx
* [done] Make sure ui-doc generation and including still works
* [done] Scan every page visually for sanity check
* [done] Make sure footer still works
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* [done] Change all links/ to links/index
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* [done] Add some custom css to make the navbar look like the old one and darken the footer.

Reviewed By: passy

Differential Revision: D21158717

fbshipit-source-id: 5f45b711b1b6fd5ece4c5c15c55635c7ebbfb568
2020-04-27 04:05:01 -07:00

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---
id: android-native
title: Set up your Android app
sidebar_label: Android
---
To set up Flipper for Android, you need to add the neccessary dependencies to your
app, initialize the Flipper client and enable the plugins you want to use. Optionally,
you can hook up the diagnostics Activity to help you troubleshoot connection issues.
## Dependencies
Flipper is distributed via JCenter. Add the dependencies to your `build.gradle` file.
You should also explicitly depend on [`soloader`](https://github.com/facebook/soloader)
instead of relying on transitive dependency resolution which is getting deprecated
with Gradle 5.
We provide a "no-op" implementation of some oft-used Flipper interfaces you can
use to make it easier to strip Flipper from your release builds.
```groovy
repositories {
jcenter()
}
dependencies {
debugImplementation 'com.facebook.flipper:flipper:0.39.0'
debugImplementation 'com.facebook.soloader:soloader:0.9.0'
releaseImplementation 'com.facebook.flipper:flipper-noop:0.39.0'
}
```
<div class="warning">
Please note that our `flipper-noop` package provides a limited subset of the
APIs provided by the `flipper` package and does not provide any plugin stubs.
It is recommended that you keep all Flipper instantiation code in a separate
build variant to ensure it doesn't accidentally make it into your production
builds. Check out [the sample
app](https://github.com/facebook/flipper/tree/master/android/sample/src) to
see how to organise your Flipper initialization into debug and release
variants.
Alternatively, have a look at the third-party
[flipper-android-no-op](https://github.com/theGlenn/flipper-android-no-op)
repository, which provides empty implementations for several Flipper plugins.
</div>
## Application Setup
Now you can initialize Flipper in your Application's `onCreate` method, which involves
initializing SoLoader (for loading the C++ part of Flipper) and starting a `FlipperClient`.
```java
import com.facebook.flipper.android.AndroidFlipperClient;
import com.facebook.flipper.android.utils.FlipperUtils;
import com.facebook.flipper.core.FlipperClient;
import com.facebook.flipper.plugins.inspector.DescriptorMapping;
import com.facebook.flipper.plugins.inspector.InspectorFlipperPlugin;
public class MyApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
SoLoader.init(this, false);
if (BuildConfig.DEBUG && FlipperUtils.shouldEnableFlipper(this)) {
final FlipperClient client = AndroidFlipperClient.getInstance(this);
client.addPlugin(new InspectorFlipperPlugin(this, DescriptorMapping.withDefaults()));
client.start();
}
}
}
```
## Diagnostics
It's recommended that you add the following activity to the manifest, which can help diagnose integration issues and other problems:
```xml
<activity android:name="com.facebook.flipper.android.diagnostics.FlipperDiagnosticActivity"
android:exported="true"/>
```
## Android Snapshots
Feeling adventurous? We publish Android snapshot releases directly off of `master`.
You can get the latest version by adding the Maven Snapshot repository to your sources
and pointing to the most recent `-SNAPSHOT` version.
```groovy
repositories {
maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
}
dependencies {
debugImplementation 'com.facebook.flipper:flipper:0.39.1-SNAPSHOT'
debugImplementation 'com.facebook.soloader:soloader:0.9.0'
releaseImplementation 'com.facebook.flipper:flipper-noop:0.39.1-SNAPSHOT'
}
```
## Enabling plugins
Finally, you need to add plugins to your Flipper client. Above, we have only added the Layout Inspector plugin to get you started. See [Network Plugin](setup/network-plugin) and [Layout Inspector Plugin](setup/layout-plugin) for information on how to add them, and also enable Litho or ComponentKit support. You can check the sample apps in the [GitHub repo](https://github.com/facebook/flipper) for examples of integrating other plugins.
## Having trouble?
See the [troubleshooting page](troubleshooting.html) for help with known problems.