hpos/app/src/main/res/xml/authenticator.xml

<account-authenticator xmlns:android="http://schemas.android.com/apk/res/android"
    android:accountType="com.example.account"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:smallIcon="@mipmap/ic_launcher" />