<?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">
  
  <TextView android:id="@+id/tv"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content" />
</LinearLayout>