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Android Android Fragments Introducing Fragments Saving State

Jarvis Chandler
Jarvis Chandler
7,619 Points
Posted by Jarvis Chandler
Jarvis Chandler
7,619 Points

Dont get what the 2 parts is saying

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);
    NewsFragment savedFragment = (NewsFragment) fragmentManager.findFragmentById(R.id.placeholder);
    fragmentTransaction.commit();
}


@Override

public void onNewsItemSelected(int index) {

} }

MainActivity.java 
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();
    }

    @Override
  public void onNewsItemSelected(int index) {

  }
}