MainActivity.java

public class MainActivity extends AppCompatActivity {

    @Inject
    MyAppNetworkService myAppNetworkService;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    
   List<Object> getUserFromNetwork() {
        return myAppNetworkService.getUsers();
   }
    
}

MyAppNetworkService.java

public class MyAppNetworkService {

    public List<Object> getUsers() {

        List<Object> objects = new ArrayList<>();

        //code that fetch users from the network
        //......................................

        return objects;
    }


}