OsmAnd/OsmAnd-telegram/res/layout/activity_main.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"
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	android:orientation="vertical"
	tools:context=".MainActivity">

	<FrameLayout
		android:layout_width="match_parent"
		android:layout_height="0dp"
		android:layout_weight="1">

		<android.support.v7.widget.RecyclerView
			android:id="@+id/groups_view"
			android:layout_width="match_parent"
			android:layout_height="match_parent"
			android:scrollbars="vertical" />

		<net.osmand.telegram.views.LockableViewPager
			android:id="@+id/pager"
			android:layout_width="match_parent"
			android:layout_height="match_parent"
			android:visibility="gone" />

		<android.support.v7.widget.AppCompatImageView
			android:layout_width="match_parent"
			android:layout_height="wrap_content"
			android:layout_gravity="bottom"
			android:scaleType="fitXY"
			android:src="?attr/bottom_nav_shadow" />

	</FrameLayout>

	<android.support.design.widget.BottomNavigationView
		android:id="@+id/bottom_navigation"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:visibility="visible"
		app:itemBackground="?attr/bg_color"
		app:menu="@menu/bottom_navigation_menu"
		tools:itemIconTint="@color/ctrl_active_color_light"
		tools:itemTextColor="@color/ctrl_active_color_light"
		tools:visibility="visible" />

</LinearLayout>