activity_send.xml

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

    <TextView android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:id="@+id/text_connection_status"
    />

    <TextView android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:id="@+id/text_value"
    />

</LinearLayout>