[Layout]LinearLayout

<LinearLayout 
   xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:orientation="vertical" >

   <component1
      android:att1="match_parent"
      android:att2="wrap_content"
   />

   <component2
      android:att1="match_parent"
      android:att2="wrap_content"
   />

</LinearLayout>

Ref:
http://developer.android.com/resources/tutorials/views/hello-linearlayout.html