testapps/TestSatelliteApp/res/layout/activity_Datagram.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2023 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License
  -->

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:gravity="center"
    android:paddingLeft="4dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0"
            android:textColor="@android:color/holo_blue_dark"
            android:textSize="20dp"
            android:text="Datagram APIs"/>
        <Button
            android:id="@+id/startSatelliteTransmissionUpdates"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/startSatelliteTransmissionUpdates"/>
        <Button
            android:id="@+id/stopSatelliteTransmissionUpdates"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/stopSatelliteTransmissionUpdates"/>
        <Button
            android:id="@+id/pollPendingSatelliteDatagrams"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/pollPendingSatelliteDatagrams"/>
        <Button
            android:id="@+id/sendSatelliteDatagram"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/sendSatelliteDatagram"/>
        <Button
            android:id="@+id/registerForSatelliteDatagram"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/registerForSatelliteDatagram"/>
        <Button
            android:id="@+id/unregisterForSatelliteDatagram"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/unregisterForSatelliteDatagram"/>
        <Button
            android:id="@+id/showDatagramSendStateTransition"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/showDatagramSendStateTransition"/>
        <Button
            android:id="@+id/showDatagramReceiveStateTransition"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/showDatagramReceiveStateTransition"/>
        <Button
            android:id="@+id/registerForSatelliteModemStateChanged"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/registerForSatelliteModemStateChanged"/>
        <Button
            android:id="@+id/unregisterForSatelliteModemStateChanged"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/unregisterForSatelliteModemStateChanged"/>
        <Button
            android:id="@+id/showSatelliteModemStateTransition"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/showSatelliteModemStateTransition"/>
        <Button
            android:id="@+id/Back"
            android:onClick="Back"
            android:textColor="@android:color/holo_blue_dark"
            android:layout_marginTop="100dp"
            android:layout_gravity="center"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:paddingRight="4dp"
            android:text="@string/Back"/>
        <TextView
            android:id="@+id/text_id"
            android:layout_width="400dp"
            android:layout_height="50dp"
            android:capitalize="characters"
            android:textColor="@android:color/holo_blue_light"
            android:textSize="15dp" />
        <TextView
            android:id="@+id/showErrorStatus"
            android:layout_width="400dp"
            android:layout_height="50dp"
            android:capitalize="characters"
            android:textColor="@android:color/holo_blue_light"
            android:textSize="15dp" />
    </LinearLayout>
</LinearLayout>