graph.kt

object Graph {
    private lateinit var appContext: Application

    // lazily initialized singleton scope
    val fancyManager by lazy { FancyManager(appContext) }
    
    fun init(appContext: Application) {
        this.appContext = appContext
    }
}

// Initialization of the Graph in the Application class:
class FancyApp : Application() {
    override fun onCreate() {
        super.onCreate()
        Graph.init(this)
    }