active_main_example

<?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"
  android:paddingLeft="8dp"
  android:paddingRight="8dp">

  <Button
    android:id="@+id/buttonStart"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Start" />

   <Button
    android:id="@+id/buttonAllarm"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Allarm" />

   <ListView
    android:id="@android:id/list"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#00FF00"
    android:layout_weight="1"
    android:drawSelectorOnTop="false"/>
   <!-- per ora hai messo un testo ma sarebbe meglio un immagine -->
  <TextView
    android:id="@android:id/empty"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FF0000"
    android:text="No data" />
</LinearLayout>