shahbazahmed1269

@Module
public class AppModule {
    public static final String BASE_URL = "https://api.github.com/";

    @Provides
    @Singleton
    GithubApiService provideGithubApiService() {
        return new Retrofit.Builder()
                .addConverterFactory(GsonConverterFactory.create())
                .baseUrl(BASE_URL)

shahbazahmed1269

public class ListIssuesViewModel extends ViewModel {
  private IssueRepository mIssueRepository;
  // Other member declarations
  
  public ListIssuesViewModel(IssueRepository repository) {
        mIssueRepository = repository;
    	// Other code
    }
  
  // Other code

shahbazahmed1269

public class ListIssuesViewModel extends ViewModel {
  private IssueRepository mIssueRepository;
  // Other member declarations
  
  public ListIssuesViewModel() {
        mIssueRepository = new IssueRepositoryImpl();
    	// Other code
    }
  
  // Other code

shahbazahmed1269

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mViewModel = ViewModelProviders.of(this).get(ListIssuesViewModel.class);
        setupView();
        // Handle changes emitted by LiveData
        mViewModel.getRes().observe(this, apiResponse -> {

shahbazahmed1269

public class ListIssuesViewModel extends ViewModel {

    private MediatorLiveData<ApiResponse> mApiResponse;
    private IssueRepository mIssueRepository;

    // No argument constructor
    public ListIssuesViewModel() {
        mApiResponse = new MediatorLiveData<>();
        mIssueRepository = new IssueRepositoryImpl();
    }

shahbazahmed1269

public class IssueRepositoryImpl implements IssueRepository {

    public static final String BASE_URL = "https://api.github.com/";
    private GithubApiService mApiService;

    public IssueRepositoryImpl() {
        Retrofit retrofit = new Retrofit.Builder()
                .addConverterFactory(GsonConverterFactory.create())
                .baseUrl(BASE_URL)
                .build();

shahbazahmed1269

public interface IssueRepository {
    LiveData<ApiResponse> getIssues(String owner, String repo);
}

shahbazahmed1269

public interface GithubApiService {
    @GET("/repos/{owner}/{repo}/issues")
    Call<List<Issue>> getIssues(@Path("owner") String owner, @Path("repo") String repo);
}

shahbazahmed1269

compile 'com.squareup.retrofit2:retrofit:2.1.0'
compile 'com.squareup.retrofit2:converter-gson:2.1.0'

compile 'android.arch.lifecycle:runtime:1.0.0'
compile 'android.arch.lifecycle:extensions:1.0.0-alpha9-1'
annotationProcessor 'android.arch.lifecycle:compiler:1.0.0-alpha9-1'

shahbazahmed1269

allprojects {
    repositories {
        jcenter()
        maven { url 'https://maven.google.com' }
    }
}