travisdachi

abstract class ItemViewHolder<T : Any, VH>(itemView: View) : RecyclerView.ViewHolder(itemView) {
    lateinit var item: T
    var onClick: ((view: View, position: Int, holder: VH, item: T) -> Unit)? = null

    init {
        itemView.setOnClickListener { callOnClick(it) }
    }

    fun callOnClick(view: View) {
        onClick?.let {

travisdachi

public class Apis {
    public static StarWarsApi getSwarWarsApi() {
        Gson gson = new GsonBuilder()
                .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
                .create();
        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("http://swapi.co/api/")
                .addConverterFactory(GsonConverterFactory.create(gson))
                .build();
        return retrofit.create(StarWarsApi.class);

travisdachi

public class MainActivity extends AppCompatActivity {

    RecyclerView recyclerView;
    SwipeRefreshLayout swipeRefreshLayout;
    FilmAdapter filmAdapter;
    StarWarsApi starWarsApi;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

travisdachi

public class MainActivity extends AppCompatActivity implements HomeContract.HomeView {

    RecyclerView recyclerView;
    SwipeRefreshLayout swipeRefreshLayout;
    FilmAdapter filmAdapter;
    HomeContract.HomePresenter presenter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

travisdachi

public class HomePresenter implements HomeContract.HomePresenter {
    private HomeContract.HomeView view;
    private StarWarsApi starWarsApi;

    public HomePresenter(HomeContract.HomeView view) {
        this.view = view;
        starWarsApi = Apis.getSwarWarsApi();
        view.showTitle("All Star Wars Films");
    }

travisdachi

public interface HomeContract {
    interface HomeView {
        void showLoading();

        void hideLoading();

        void showTitle(String title);

        void showMessage(String message);

travisdachi

public class PersonAdapter extends RecyclerView.Adapter<PersonAdapter.PersonHolder> {

    private List<Person> list;

    public PersonAdapter(@NonNull List<Person> list) {
        this.list = list;
    }

    @Override
    public PersonHolder onCreateViewHolder(ViewGroup parent, int viewType) {

travisdachi

public class Person {
    public String name;
    public int age;
    public boolean isChecked;

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }
}

travisdachi

public class MainActivity extends AppCompatActivity {

    RecyclerView recyclerView;
    List<Person> people;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        recyclerView = (RecyclerView) findViewById(R.id.recyclerView);

travisdachi

public class Person {
    public String name;
    public int age;

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }
}