linphone-android/res/layout/chatlist.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="match_parent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/colorH"
        android:orientation="vertical">

        <LinearLayout
            android:id="@+id/top_bar"
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:background="@color/colorH"
            android:orientation="horizontal">

            <ImageView
                android:id="@+id/back_in_call"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.2"
                android:background="@drawable/toolbar_button"
                android:contentDescription="@string/content_description_back_call"
                android:src="@drawable/call_back"
                android:visibility="invisible"/>

            <ImageView
                android:id="@+id/useless"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.2"
                android:visibility="invisible"/>

            <View
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.4"/>

            <ImageView
                android:id="@+id/edit"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.2"
                android:background="@drawable/toolbar_button"
                android:contentDescription="@string/content_description_edit_list"
                android:src="@drawable/delete"/>
        </LinearLayout>

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

        <View
            android:id="@+id/view"
            android:layout_width="match_parent"
            android:layout_height="1dp"
            android:background="@color/colorE"/>

        <ListView
            android:id="@+id/chatList"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:cacheColorHint="@color/transparent"
            android:divider="@color/colorE"
            android:dividerHeight="1dp"/>

    </LinearLayout>

    <TextView
        android:id="@+id/noChatHistory"
        android:text="@string/no_chat_history"
        style="@style/font6"
        android:visibility="gone"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"/>

    <include layout="@layout/wait_layout" android:id="@+id/waitScreen"/>

    <ImageView
        android:id="@+id/new_discussion"
        android:layout_width="55dp"
        android:layout_height="55dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentEnd="true"
        android:layout_marginBottom="10dp"
        android:layout_marginRight="10dp"
        android:contentDescription="@string/content_description_new_discussion"
        android:src="@drawable/chat_add"/>

</RelativeLayout>