nextcloud-talk-android/app/src/main/res/layout/controller_bottom_navigation.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/bottom_navigation_root"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.bluelinelabs.conductor.ChangeHandlerFrameLayout
        android:id="@+id/bottom_navigation_controller_container"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_gravity="top"
        android:layout_weight="1"
        app:layout_behavior="@string/appbar_scrolling_view_behavior"/>

    <android.support.design.widget.BottomNavigationView
        android:id="@+id/navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:animateLayoutChanges="true"
        android:background="?android:attr/windowBackground"/>
</LinearLayout>