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Android Android Fragments Introducing Fragments Handling Clicks

Now implement this interface in the MainActivity class, but leave it blank for now.

i am having this error anyone to help

NewsFragment.java
public class NewsFragment extends Fragment {
  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 {
   public class MainActivity implements NewsFragment.NewsListener {
    @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();
    }

}
}

2 Answers

Rares Conea
PLUS
Rares Conea
Courses Plus Student 15,000 Points

public class MainActivity extends AppCompatActivity implements NewsFragment.NewsListener{

@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();
}

public void onNewsItemSelected(int index) {}

}

Thanks alot it worked

Rares Conea
PLUS
Rares Conea
Courses Plus Student 15,000 Points

public class MainActivity extends AppCompatActivity implements NewsFragment.NewsListener In MainActivity implement onNewsItemSelected

can i have the answer on the note pad