Magisk/app/src/main/res/layout/activity_main_content.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <data>

        <variable
            name="viewModel"
            type="com.topjohnwu.magisk.ui.MainViewModel" />

    </data>

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <com.google.android.material.appbar.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/main_toolbar"
                onNavigationClick="@{() -> viewModel.navPressed()}"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="@color/primary"
                app:navigationIcon="@drawable/ic_menu"
                app:title="@string/magisk"
                app:titleTextColor="@android:color/white" />

        </com.google.android.material.appbar.AppBarLayout>

        <fragment
            android:id="@+id/main_nav_host"
            android:name="androidx.navigation.fragment.NavHostFragment"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="?android:windowBackground"
            app:defaultNavHost="true"
            app:layout_behavior="@string/appbar_scrolling_view_behavior"
            app:navGraph="@navigation/navigation_main" />

    </androidx.coordinatorlayout.widget.CoordinatorLayout>


</layout>