Basic Hello World with Dagger 2

HelloDagger2.kt

class Info(val text: String)

// Module
@Module
class Bag {
    @Provides
    fun sayHelloDagger2(): Info {
        return Info("Hello Dagger 2")
    }
}

// Component
@Component(modules = [Bag::class])
interface MagicBox {
    fun poke(app: MainActivity)
}

// MainActivity
class MainActivity : AppCompatActivity() {

    // Retrieve Dependencies
    @Inject 
    lateinit var info: Info

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        DaggerMagicBox.create().poke(this)
        text_view.text = info.text
    }
}