admin/AppRestrictionEnforcer/Application/src/main/res/layout/fragment_item_add.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical">

    <EditText
        android:id="@+id/key"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="16dp"
        android:hint="@string/key"/>

    <EditText
        android:id="@+id/value"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:layout_marginStart="16dp"
        android:hint="@string/value"/>

    <Button
        android:id="@+id/ok"
        style="?android:attr/buttonBarButtonStyle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@android:string/ok"/>

</LinearLayout>