Android Jetpack导航-如何从抽屉菜单项导航到嵌套导航图

<fragment
    android:id="@+id/nav_host_fragment"
    android:name="androidx.navigation.fragment.NavHostFragment"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:defaultNavHost="true"
    app:navGraph="@navigation/nav_graph" />

<androidx.drawerlayout.widget.DrawerLayout
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <!-- 主要内容 -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <!-- ... 主要内容视图 ... -->

    </LinearLayout>

    <!-- 抽屉菜单 -->
    <com.google.android.material.navigation.NavigationView
        android:id="@+id/navigation_view"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_gravity="start">

        <!-- 导航菜单项 -->
        <menu xmlns:android="http://schemas.android.com/apk/res/android">
            <item
                android:id="@+id/menu_item1"
                android:title="目标1" />
            <item
                android:id="@+id/menu_item2"
                android:title="目标2" />
            <!-- ... 其他菜单项 ... -->
        </menu>

    </com.google.android.material.navigation.NavigationView>
</androidx.drawerlayout.widget.DrawerLayout>

NavigationView navigationView = findViewById(R.id.navigation_view);
navigationView.setNavigationItemSelectedListener(item -> {
    switch (item.getItemId()) {
        case R.id.menu_item1:
            // 导航到目标1
            NavHostFragment.findNavController(navHostFragment).navigate(R.id.destination1);
            break;
        case R.id.menu_item2:
            // 导航到目标2
            NavHostFragment.findNavController(navHostFragment).navigate(R.id.destination2);
            break;
        // ... 处理其他菜单项 ...
    }
    
    // 关闭抽屉菜单
    DrawerLayout drawerLayout = findViewById(R.id.drawer_layout);
    drawerLayout.closeDrawer(GravityCompat.START);
    
    return true;
});