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Android Android Fragments Introducing Fragments Handling Clicks

Posted by Malcolm Mutambanengwe
Malcolm Mutambanengwe
4,205 Points

NewsFragment NewsListener

MainActivity is not abstract and does not override abstract method onNewsItemSelected(int) in NewsListener public class MainActivity extends AppCompatActivity implements NewsFragment.NewsListener

ERROR MESSAGE

I am trying to implement the fragment in the Main Activity. Scott Junner

NewsFragment.java 
public class NewsFragment extends Fragment {
/*  /*When a user clicks on a news story, a new Fragment should be displayed.

Start by creating an interface in NewsFragment to serve as the listener. Name it 'NewsListener', and give it a method named 'onNewsItemSelected' which takes in an int and returns nothing.


  */

*/
    public interface NewsListener{
    void onNewsItemSelected(int index);
    }  

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_news, container, false);
        return view;
    }
}
MainActivity.java 
public class MainActivity extends AppCompatActivity implements NewsFragment.NewsListener {
  // to implement this interface in MainActivity class, I typed implements NewsFragment.NewsListerner after AppCompatActivity 


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        NewsFragment newsFragment = new NewsFragment();
        FragmentManager fragmentManager = getFragmentManager();
        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
        fragmentTransaction.add(R.id.placeholder, newsFragment);
        fragmentTransaction.commit();
    }
}