navigation.xml

<?xml version="1.0" encoding="utf-8"?>
<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"
    app:startDestination="@id/firstFragment">
    <fragment
        android:id="@+id/firstFragment"
        android:name="com.mehul.navarchicomponentdemo.FirstFragment"
        android:label="FirstFragment">
        <action
            android:id="@+id/toSecondFragment"
            app:destination="@id/secondFragment" />
    </fragment>
    <fragment
        android:id="@+id/secondFragment"
        android:name="com.mehul.navarchicomponentdemo.SecondFragment"
        android:label="SecondFragment" >
        <action
            android:id="@+id/toThirdFragment"
            app:destination="@id/thirdFragment" />
    </fragment>
    <activity
        android:id="@+id/settingActivity"
        android:name="com.mehul.navarchicomponentdemo.SettingActivity"
        android:label="activity_setting"
        tools:layout="@layout/fragment_setting" />
    <fragment
        android:id="@+id/deepLinkFragment"
        android:name="com.mehul.navarchicomponentdemo.DeepLinkFragment"
        android:label="fragment_deep_link"
        tools:layout="@layout/fragment_deep_link" />
    <fragment
        android:id="@+id/thirdFragment"
        android:name="com.mehul.navarchicomponentdemo.ThirdFragment"
        android:label="fragment_third"
        tools:layout="@layout/fragment_third">
        <action
            android:id="@+id/toHomeFragment"
            app:popUpTo="@id/firstFragment" />
    </fragment>

</navigation>