HealthDiary/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/nav_graph.xml"
    app:startDestination="@id/splashFragment">

    <fragment
        android:id="@+id/splashFragment"
        android:name="com.mrozon.feature_splash.presentation.SplashFragment"
        android:label="SplashFragment"
        tools:layout="@layout/fragment_splash" >
        <action
            android:id="@+id/action_splashFragment_to_loginFragment"
            app:destination="@id/loginFragment" />
    </fragment>

    <fragment
        android:id="@+id/loginFragment"
        android:name="com.mrozon.feature_auth.presentation.LoginFragment"
        tools:layout="@layout/fragment_login"
        android:label="LoginFragment" >
        <action
            android:id="@+id/action_loginFragment_to_registrationFragment"
            app:destination="@id/registrationFragment" />
    </fragment>

    <fragment
        android:id="@+id/registrationFragment"
        tools:layout="@layout/fragment_registration"
        android:name="com.mrozon.feature_auth.presentation.RegistrationFragment"
        android:label="RegistrationFragment" >
        <action
            android:id="@+id/action_registrationFragment_to_loginFragment"
            app:destination="@id/loginFragment" />
    </fragment>

</navigation>