input.xml

<?xml version="1.0" encoding="utf-8"?>

<org.grammaticalframework.ui.android.TranslatorKeyboardView
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/keyboard"
        android:layout_alignParentBottom="true"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        />