BarInsta/app/src/main/res/navigation/profile_nav_graph.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"
    android:id="@+id/profile_nav_graph"
    app:startDestination="@id/profileFragment">

    <include app:graph="@navigation/hashtag_nav_graph" />

    <action
        android:id="@+id/action_global_hashTagFragment"
        app:destination="@id/hashtag_nav_graph">
        <argument
            android:name="hashtag"
            app:argType="string"
            app:nullable="false" />
    </action>

    <action
        android:id="@+id/action_global_profileFragment"
        app:destination="@id/profileFragment">
        <argument
            android:name="username"
            app:argType="string"
            app:nullable="false" />
    </action>

    <fragment
        android:id="@+id/profileFragment"
        android:name="awais.instagrabber.fragments.main.ProfileFragment"
        android:label="@string/profile"
        tools:layout="@layout/fragment_profile" >
        <argument
            android:name="username"
            app:argType="string"
            app:nullable="false" />
        <!--<action-->
        <!--    android:id="@+id/action_profileFragment_self"-->
        <!--    app:destination="@id/profileFragment" />-->
    </fragment>
</navigation>