1<?xml version="1.0" encoding="utf-8"?>
 2<androidx.appcompat.widget.Toolbar android:id="@+id/toolbar"
 3    android:layout_width="match_parent"
 4    android:layout_height="wrap_content"
 5    android:background="?attr/colorPrimary"
 6    android:minHeight="?attr/actionBarSize"
 7    android:elevation="@dimen/toolbar_elevation"
 8    android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
 9    app:popupTheme="?popupOverlayStyle"
10    xmlns:android="http://schemas.android.com/apk/res/android"
11    xmlns:app="http://schemas.android.com/apk/res-auto" />