linphone-android/app/src/main/res/layout/chat_bubble.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="match_parent"
	android:layout_height="wrap_content">

    <View
        android:id="@+id/rightAnchor"
        android:layout_width="1dp"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"/>

    <CheckBox
        android:id="@+id/delete_message"
        android:visibility="gone"
        android:button="@drawable/checkbox"
        android:contentDescription="@string/content_description_delete"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:adjustViewBounds="true"
		android:clickable="false"
        android:layout_marginLeft="5dp"
        android:layout_alignRight="@id/rightAnchor"/>

	<LinearLayout
		android:id="@+id/event"
		android:visibility="gone"
		android:orientation="horizontal"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
        android:layout_toLeftOf="@id/rightAnchor"
		android:layout_marginTop="5dp"
		android:layout_marginBottom="5dp"
		android:gravity="center_vertical">

		<ImageView
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_weight="1"
			android:layout_marginRight="10dp"
			android:src="@drawable/event_decoration_gray"
			android:scaleType="fitXY"/>

		<TextView
			android:id="@+id/event_text"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"/>

		<ImageView
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_weight="1"
			android:layout_marginLeft="10dp"
			android:src="@drawable/event_decoration_gray"
			android:scaleType="fitXY"/>

	</LinearLayout>

	<LinearLayout
		android:id="@+id/security_event"
		android:visibility="gone"
		android:orientation="horizontal"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:layout_toLeftOf="@id/rightAnchor"
		android:layout_marginTop="5dp"
		android:layout_marginBottom="5dp"
		android:gravity="center_vertical">

		<ImageView
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_weight="1"
			android:layout_marginRight="10dp"
			android:src="@drawable/event_decoration_red"
			android:scaleType="fitXY"/>

		<TextView
			android:id="@+id/security_event_text"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:textColor="@color/colorI"/>

		<ImageView
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_weight="1"
			android:layout_marginLeft="10dp"
			android:src="@drawable/event_decoration_red"
			android:scaleType="fitXY"/>

	</LinearLayout>

	<RelativeLayout
		android:id="@+id/bubble"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
        android:layout_toLeftOf="@id/rightAnchor">

        <LinearLayout
            android:id="@+id/background"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="45dp"
            android:layout_marginTop="1dp"
            android:layout_marginBottom="1dp"
            android:background="@drawable/chat_bubble_outgoing_full"
            android:layout_below="@+id/time"
            android:layout_toLeftOf="@+id/imdn"
            android:paddingBottom="5dp"
            android:paddingTop="5dp"
            android:orientation="vertical">

            <com.google.android.flexbox.FlexboxLayout
                xmlns:app="http://schemas.android.com/apk/res-auto"
                android:id="@+id/pictures"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="5dp"
                android:layout_marginRight="5dp"
                app:flexWrap="wrap"/>

            <TextView
                android:id="@+id/message"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="@style/chat_bubble_message_font"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="10dp"
                android:layout_marginTop="5dp"
                android:layout_marginBottom="5dp"/>

        </LinearLayout>

        <RelativeLayout
            android:id="@+id/message_sender_avatar"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignTop="@id/background">

            <include layout="@layout/contact_avatar"/>

        </RelativeLayout>

        <TextView
            android:id="@id/time"
            android:textAppearance="@style/chat_bubble_time_font"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="right"
            android:layout_marginTop="7dp"
            android:layout_marginLeft="45dp"
            android:layout_toLeftOf="@id/imdn"/>

        <ImageView
            android:id="@id/imdn"
            android:layout_width="10dp"
            android:layout_height="10dp"
            android:src="@drawable/imdn_received"
            android:layout_marginLeft="5dp"
            android:layout_alignParentRight="true"
            android:layout_alignBottom="@id/background"/>

        <ProgressBar
            android:id="@+id/send_in_progress"
            android:layout_width="10dp"
            android:layout_height="10dp"
            android:indeterminateTint="@color/colorA"
            android:src="@drawable/imdn_received"
            android:layout_marginLeft="5dp"
            android:layout_alignParentRight="true"
            android:layout_alignBottom="@id/background"/>

	</RelativeLayout>

</RelativeLayout>