janishar

@PerActivity
@Component(dependencies = ApplicationComponent.class, modules = ActivityModule.class)
public interface ActivityComponent {

    void inject(MainActivity mainActivity);

}

janishar

@Singleton
@Component(modules = ApplicationModule.class)
public interface ApplicationComponent {

    void inject(DemoApplication demoApplication);

    @ApplicationContext
    Context getContext();

    Application getApplication();

janishar

@Module
public class ActivityModule {

    private Activity mActivity;

    public ActivityModule(Activity activity) {
        mActivity = activity;
    }

    @Provides

janishar

@Module
public class ApplicationModule {

    private final Application mApplication;

    public ApplicationModule(Application app) {
        mApplication = app;
    }

    @Provides

janishar

@Singleton
public class DataManager {

    private Context mContext;
    private DbHelper mDbHelper;
    private SharedPrefsHelper mSharedPrefsHelper;

    @Inject
    public DataManager(@ApplicationContext Context context,
                       DbHelper dbHelper,

janishar

public class User {

    private Long id;
    private String name;
    private String address;
    private String createdAt;
    private String updatedAt;

    public User() {
    }

janishar

@Singleton
public class SharedPrefsHelper {

    public static String PREF_KEY_ACCESS_TOKEN = "access-token";

    private SharedPreferences mSharedPreferences;

    @Inject
    public SharedPrefsHelper(SharedPreferences sharedPreferences) {
        mSharedPreferences = sharedPreferences;

janishar

@Singleton
public class DbHelper extends SQLiteOpenHelper {

    //USER TABLE
    public static final String USER_TABLE_NAME = "users";
    public static final String USER_COLUMN_USER_ID = "id";
    public static final String USER_COLUMN_USER_NAME = "usr_name";
    public static final String USER_COLUMN_USER_ADDRESS = "usr_add";
    public static final String USER_COLUMN_USER_CREATED_AT = "created_at";
    public static final String USER_COLUMN_USER_UPDATED_AT = "updated_at";

janishar

dependencies {
    ...
    compile "com.google.dagger:dagger:2.8"
    annotationProcessor "com.google.dagger:dagger-compiler:2.8"
    provided 'javax.annotation:jsr250-api:1.0'
    compile 'javax.inject:javax.inject:1'
}

janishar

public class MainActivity extends AppCompatActivity {

    private InfinitePlaceHolderView mLoadMoreView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mLoadMoreView = (InfinitePlaceHolderView)findViewById(R.id.loadMoreView);
        setupView();