PopularMoviesActivity.kt

class PopularMoviesActivity : BaseActivity(), PopularMoviesContract.View {

    private val tvMainText: TextView by bindView(R.id.mainText)
    private val btnMainButton: Button by bindView(R.id.mainButton)

    lateinit var presenter: PopularMoviesPresenter

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        createPresenter()
        presenter.attach(this)
        setupListeners()
    }

    // Ugly boiler-plate code that will be removed using DI
    private fun createPresenter() {
        presenter = PopularMoviesPresenter(PopularMoviesModel())
    }

    override fun setupListeners() =
        btnMainButton.setOnClickListener {
            presenter.getPopularMovies(autoDisposable)
        }

    override fun updateText(content: String) {
        tvMainText.text = content
    }
}