session-android/res/layout/conversation_item_update.xml

<?xml version="1.0" encoding="utf-8"?>
<org.thoughtcrime.securesms.conversation.ConversationUpdateItem
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/conversation_update_item"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@drawable/conversation_item_background"
    android:focusable="true"
    android:gravity="center"
    android:orientation="vertical"
    android:paddingBottom="6dp"
    android:paddingStart="28dp"
    android:paddingEnd="28dp"
    android:paddingTop="8dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="7dp"
        android:layout_marginTop="12dp"
        android:gravity="center">

        <ImageView
            android:id="@+id/conversation_update_icon"
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:layout_gravity="center_vertical"
            android:layout_marginEnd="6dp"
            android:src="@drawable/ic_timer" />

        <TextView
            android:id="@+id/conversation_update_title"
            style="@style/Signal.Text.Caption"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAllCaps="true"
            android:textColor="?conversation_item_update_text_color"
            tools:text="1 hour" />

    </LinearLayout>


    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="7dp"
        android:gravity="center"
        android:orientation="vertical">

        <TextView
            android:id="@+id/conversation_update_body"
            style="@style/Signal.Text.Preview"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:autoLink="none"
            android:gravity="center"
            android:linksClickable="true"
            android:textColor="?attr/conversation_item_update_text_color"
            tools:text="Gwen Stacy set the disappearing message timer to 1 hour" />

        <TextView
            android:id="@+id/conversation_update_date"
            style="@style/Signal.Text.Caption"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_marginTop="6dp"
            android:autoLink="none"
            android:gravity="center"
            android:linksClickable="false"
            android:minWidth="15sp"
            android:textAllCaps="true"
            android:textColor="?conversation_item_update_text_color"
            tools:text="30 min ago" />

        <Button
            android:id="@+id/conversation_update_button"
            style="@style/Button.Borderless"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:text="Button"
            android:visibility="gone" />

    </LinearLayout>

</org.thoughtcrime.securesms.conversation.ConversationUpdateItem>