Conversations/res/layout/dialog_clear_history.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="8dp" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingBottom="8dp"
        android:text="@string/clear_histor_msg"
        android:textSize="?attr/TextSizeBody" />

    <CheckBox
        android:id="@+id/end_conversation_checkbox"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/also_end_conversation" />

</LinearLayout>