An Android Wear watch face made with Xamarin.

NOTE: This project requires a Xamarin.Android build supporting 4.4.87 and/or L Preview

Your app must have the permission: com.google.android.permission.PROVIDE_BACKGROUND

Your watch activity needs to have its manifest entry created in a specific way. It should specify android:allowEmbedded="true", an empty task affinity (android:taskAffinity=""), and needs to have a special metadata tag inside the activity tag like below, which points to a 320x320 pixel drawable image which will be displayed in the watch face selection screen to the user. Finally, it most ONLY have the Intent Filter action and category as displayed below:

<activity
    android:theme="@android:style/Theme.DeviceDefault.NoActionBar"
    android:taskAffinity=""
    android:allowEmbedded="true" >
 
    <meta-data android:name="com.google.android.clockwork.home.preview" android:resource="@drawable/preview" />
 
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="com.google.android.clockwork.home.category.HOME_BACKGROUND" />
    </intent-filter>
</activity>