AndroidAPS/app/src/main/res/layout/smscommunicator_fragment.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="info.nightscout.androidaps.plugins.SmsCommunicator.SmsCommunicatorFragment">

    <ScrollView
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">

        <TextView
            android:id="@+id/smscommunicator_log"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:text=""/>
    </ScrollView>

</FrameLayout>