<invalid-tag xmlns:android="http://schemas.android.com/apk/res/android"
             xmlns:app="http://schemas.android.com/apk/res-auto">
  <font android:fontStyle="normal" android:fontWeight="400" android:font="@font/samplefont"
        app:fontStyle="normal" app:fontWeight="400" app:font="@font/samplefont" />
</invalid-tag>