InboxFragment.java

package what.whatandroid.inbox;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import api.soup.MySoup;
import what.whatandroid.R;
import what.whatandroid.callbacks.OnLoggedInCallback;

/**
 * The inbox fragment displays the paged list of conversations in
 * the user's inbox so they can pick one to view or manage them
 */
public class InboxFragment extends Fragment implements OnLoggedInCallback {

	private static final String PAGES = "what.whatandroid.inboxfragment.PAGES";

	/**
	 * The adapter to alert when we've logged in to the site
	 */
	private InboxPagerAdapter adapter;
	private int pages = 1;

	/**
	 * Create a fragment displaying the user's inbox
	 */
	public InboxFragment(){
		//Required empty ctor
	}

	@Override
	public void onCreate(Bundle savedInstanceState){
		super.onCreate(savedInstanceState);
		if (savedInstanceState != null){
			pages = savedInstanceState.getInt(PAGES);
		}
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
		View view = inflater.inflate(R.layout.fragment_view_pager_strip, container, false);
		ViewPager viewPager = (ViewPager)view.findViewById(R.id.pager);
		adapter = new InboxPagerAdapter(getChildFragmentManager(), pages);
		viewPager.setAdapter(adapter);
		if (MySoup.isLoggedIn()){
			onLoggedIn();
		}
		return view;
	}

	@Override
	public void onSaveInstanceState(Bundle outState){
		super.onSaveInstanceState(outState);
		if (adapter != null){
			outState.putInt(PAGES, adapter.getCount());
		}
	}

	@Override
	public void onLoggedIn(){
		adapter.onLoggedIn();
	}
}