Muzei offers two API surfaces:

1. An API that allows you to build your own wallpaper source via the classes in the com.google.android.apps.muzei.api.provider package.
2. A content provider contract that allows you to read current artwork data. This is the focus of the com.google.android.apps.muzei.api package.

Building your own wallpaper source (API 3.2+)

Muzei itself is responsible for displaying wallpaper images, or Artwork, but even its built in wallpaper sources are all built with the same com.google.android.apps.muzei.api.provider.MuzeiArtProvider API, which makes it possible for any app to provide wallpapers to Muzei via just a few steps:

1. Add the following Maven coordinates as a dependency: com.google.android.apps.muzei:muzei-api:3.2.0 or higher.
2. Create a new provider that extends com.google.android.apps.muzei.api.provider.MuzeiArtProvider.
3. Add the corresponding <provider> tag to your AndroidManifest.xml file and add the required <intent-filter> and <meta-data> elements.

Once you have both Muzei and your custom source installed, you should be able to choose your source from the 'Sources' screen in Muzei.

A deeper discussion of the API, along with code snippets, is available in the com.google.android.apps.muzei.api.provider.MuzeiArtProvider class reference.

Sample code

A complete example is available in the example-unsplash directory.

Accessing current wallpaper information (API 2.0+)

You can access the current wallpaper on Android phones and tablets, or on Wear OS, while Muzei is the active wallpaper.

1. Add the following Maven coordinates as a dependency: com.google.android.apps.muzei:muzei-api:2.+.
2. Use either com.google.android.apps.muzei.api.MuzeiContract.Artwork.getCurrentArtworkBitmap to get the current artwork as a bitmap, or access more information about the artwork by querying com.google.android.apps.muzei.api.MuzeiContract.Artwork.CONTENT_URI with a ContentResolver.

A deeper discussion of the API, along with code snippets, is available in the com.google.android.apps.muzei.api package reference docs.

Sample code

Complete examples are available in the example-watchface directory.

Packages

Index