session-android/res/layout/auto_initiate_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:layout_marginLeft="16dip"
    android:layout_marginRight="16dip">

    <TextView android:id="@+id/description_text"
              android:layout_width="fill_parent"
              android:layout_height="wrap_content"
              android:layout_marginTop="5dip"
              android:layout_marginBottom="5dip"
              android:textAppearance="?android:attr/textAppearanceMedium"                
              android:text="@string/you_have_received_a_message_from_someone_who_supports_textsecure_encrypted_sessions_would_you_like_to_initiate_a_secure_session"/>

    <LinearLayout android:layout_width="fill_parent"
                  android:layout_height="wrap_content"
                  android:layout_marginTop="10dip"
                  android:layout_marginBottom="10dip"
                  android:orientation="horizontal">

        <Button android:id="@+id/initiate_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/initiate_exchange"
                android:gravity="center"/>

        <Button android:id="@+id/cancel_button"
                android:text="@string/cancel"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"/>
    </LinearLayout>
</LinearLayout>