Look4Sat-BA7OPF/app/src/main/res/navigation/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/mobile_navigation"
    app:startDestination="@id/nav_sky">

    <fragment
        android:id="@+id/nav_sky"
        android:name="com.rtbishop.look4sat.ui.SkyFragment"
        android:label="@string/menu_sky"
        tools:layout="@layout/fragment_sky">
        <action
            android:id="@+id/action_nav_sky_to_nav_radar"
            app:destination="@id/nav_radar"
            app:enterAnim="@anim/nav_default_enter_anim"
            app:exitAnim="@anim/nav_default_exit_anim"
            app:popEnterAnim="@anim/nav_default_enter_anim"
            app:popExitAnim="@anim/nav_default_exit_anim" />
    </fragment>

    <fragment
        android:id="@+id/nav_radar"
        android:name="com.rtbishop.look4sat.ui.RadarFragment"
        android:label="@string/menu_radar"
        tools:layout="@layout/fragment_radar" />

    <fragment
        android:id="@+id/nav_map"
        android:name="com.rtbishop.look4sat.ui.WorldMapFragment"
        android:label="@string/menu_map"
        tools:layout="@layout/fragment_worldmap" />

    <fragment
        android:id="@+id/nav_credits"
        android:name="com.rtbishop.look4sat.ui.CreditsFragment"
        android:label="@string/menu_credits"
        tools:layout="@layout/fragment_credits" />

    <fragment
        android:id="@+id/nav_about"
        android:name="com.rtbishop.look4sat.ui.CreditsFragment"
        android:label="@string/menu_credits"
        tools:layout="@layout/fragment_credits" />

    <fragment
        android:id="@+id/nav_settings"
        android:name="com.rtbishop.look4sat.ui.SettingsFragment"
        android:label="@string/menu_settings" />

</navigation>