OldApp.kt

class App: Application() {
    companion object {
        lateinit private var context: Context

        @JvmStatic fun appComponent(): AppComponent = (context as App).appComponent
        // Provide the global application context.
        @JvmStatic fun getAppContext(): Context = context
    }

    // Before dagger 2.11
    private val appComponent: AppComponent by lazy { AppComponent.Initializer.init(App@ this) }

    override fun onCreate() {
        super.onCreate()

        context = this
    }
}