How to set the Android Live Wallpaper icon (aka "thumbnail")

In order to see an icon in the live wallpaper menu, you need to set the android:thumbnail attribute for the applications <Wallpaper> tag. This will normally be found in the XML file corresponding to the class that extends WallpaperService.

Looking at the CubeLiveWallpaper sample application provided with the SDK, we see this tag to be located in cube1.xml and cube2.xml. A modified version below displays the icon thumb.png located in res/drawable and provides a description defined in strings.xml

<wallpaper     xmlns:android="http://schemas.android.com/apk/res/android"    android:thumbnail="@drawable/thumb"    android:description="@string/description"    android:settingsActivity="com.example.android.livecubes.cube2.CubeWallpaper2Settings"/>

NOTE: this works regardless of file extension, assuming that the format is a supported type - jpg. png etc

You can also change @drawable/icon to @drawable/<youricon>

I've set <application android:icon="@drawable/icon"/> in my AndroidManifest.xml and it's working fine for each icon.png I'm using in the

/res/drawable- :== hdpi | ldpi | mdpi

folders.