src/third_party/skia/platform_tools/android/apps/arcore/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawerLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <!-- The main content view -->

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <View
            android:layout_gravity="center"
            android:id="@+id/menuView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"/>
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">
            <android.support.v7.widget.Toolbar
                android:id="@+id/my_toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="?attr/colorPrimary"
                android:elevation="4dp"
                android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>
            <EditText
                android:id="@+id/text_box"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:focusable="false"
                android:clickable="false"
                android:visibility="gone"/>
            <android.opengl.GLSurfaceView
                android:id="@+id/surfaceview"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_gravity="bottom" />

        </LinearLayout>



    </FrameLayout>

</android.support.v4.widget.DrawerLayout>