<LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" xmlns:android="http://schemas.android.com/apk/res/android"><FrameLayout android:id="@+id/bottomtab.navarea" android:layout_width="match_parent" android:layout_height="0dp" android:layout_gravity="fill" android:layout_weight="1" /><com.google.android.material.bottomnavigation.BottomNavigationView android:id="@+id/bottomtab.tabbar" android:theme="@style/Widget.Design.BottomNavigationView" android:layout_width="match_parent" android:layout_height="wrap_content" /></LinearLayout>