如何在Android上使用导航控制器从详细信息导航回到主屏幕

implementation "androidx.navigation:navigation-fragment-ktx:2.4.0"
implementation "androidx.navigation:navigation-ui-ktx:2.4.0"

<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/nav_graph"
    app:startDestination="@id/mainFragment">

    <fragment
        android:id="@+id/mainFragment"
        android:name="com.example.MainFragment"
        android:label="Main Fragment">
        
        <!-- 定义从主屏幕到详细信息屏幕的导航路径 -->
        <action
            android:id="@+id/action_mainFragment_to_detailFragment"
            app:destination="@id/detailFragment" />
    </fragment>

    <fragment
        android:id="@+id/detailFragment"
        android:name="com.example.DetailFragment"
        android:label="Detail Fragment">
        
        <!-- 定义从详细信息屏幕返回主屏幕的导航路径 -->
        <action
            android:id="@+id/action_detailFragment_to_mainFragment"
            app:destination="@id/mainFragment"
            app:popUpTo="@id/mainFragment"
            app:popUpToInclusive="true" />
    </fragment>
</navigation>

val navController = Navigation.findNavController(view)
navController.navigate(R.id.action_mainFragment_to_detailFragment)

val navController = Navigation.findNavController(view)
navController.navigate(R.id.action_detailFragment_to_mainFragment)