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Start your free trialMalcolm Mutambanengwe
4,205 PointsNewsFragment 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
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;
}
}
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();
}
}