<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <Button
        android:text="Connect / Close"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/button1"
        />
    <Button
        android:text="btn 2"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/button2" />
    <RadioButton
        android:text="RadioButton"
        android:layout_width="match_parent"
        android:layout_height="48.0dp"
        android:id="@+id/radioButton1"/>
    <RadioButton
        android:text="RadioButton"
        android:layout_width="match_parent"
        android:layout_height="48.0dp"
        android:id="@+id/radioButton1" />
    <RadioButton
        android:text="RadioButton"
        android:layout_width="match_parent"
        android:layout_height="48.0dp"
        android:id="@+id/radioButton1" />
</LinearLayout>