MainActivity.java

package com.rava.voting.ui;

import java.util.List;

import retrofit.Callback;
import retrofit.RetrofitError;
import retrofit.client.Response;
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.rava.voting.R;
import com.rava.voting.RavaApplication;
import com.rava.voting.api.LoginService;
import com.rava.voting.model.User;
import com.rava.voting.utils.SettingsManager;
import com.rava.voting.utils.Utils;
import com.sromku.simple.fb.Permission;
import com.sromku.simple.fb.SimpleFacebook;
import com.sromku.simple.fb.entities.Group;
import com.sromku.simple.fb.entities.Profile;
import com.sromku.simple.fb.listeners.OnGroupsListener;
import com.sromku.simple.fb.listeners.OnLoginListener;
import com.sromku.simple.fb.listeners.OnLogoutListener;
import com.sromku.simple.fb.listeners.OnProfileListener;

public class MainActivity extends Activity implements
		NavigationDrawerFragment.NavigationDrawerCallbacks {

	public static final String TAG = "MainActivity";

	/**
	 * Fragment managing the behaviors, interactions and presentation of the
	 * navigation drawer.
	 */
	private NavigationDrawerFragment mNavigationDrawerFragment;

	/**
	 * Used to store the last screen title. For use in
	 * {@link #restoreActionBar()}.
	 */
	private CharSequence mTitle;

	private SimpleFacebook mSimpleFacebook;
	private MenuItem mItemFb;

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

		mNavigationDrawerFragment = (NavigationDrawerFragment) getFragmentManager()
				.findFragmentById(R.id.navigation_drawer);
		mTitle = getTitle();

		// Set up the drawer.
		mNavigationDrawerFragment.setUp(R.id.navigation_drawer,
				(DrawerLayout) findViewById(R.id.drawer_layout));

		Utils.printHashKey(this);
	}

	@Override
	public void onResume() {
		super.onResume();
		mSimpleFacebook = SimpleFacebook.getInstance(this);
		if (mSimpleFacebook.isLogin() && SettingsManager.getUser() == null) {
			login(mSimpleFacebook.getSession().getAccessToken());
		}
	}

	@Override
	public void onNavigationDrawerItemSelected(int position) {
		onSectionAttached(position);
		FragmentManager fragmentManager = getFragmentManager();

		switch (position) {

		case 0:
			Fragment fragment = fragmentManager
					.findFragmentById(R.id.container);
			if (fragment != null && fragment instanceof ScannerFragment) {
				return;
			} else {
				fragmentManager
						.beginTransaction()
						.replace(R.id.container, ScannerFragment.newInstance(),
								ScannerFragment.TAG).commit();
			}
			break;

		case 1:
			fragmentManager
					.beginTransaction()
					.replace(R.id.container,
							UserElectionsFragment.newInstance()).commit();
			break;

		case 2:
			fragmentManager
					.beginTransaction()
					.replace(R.id.container,
							UserVotedElectionsFragment.newInstance()).commit();
			break;

		case 3:
			fragmentManager
					.beginTransaction()
					.replace(R.id.container,
							UserOpenElectionsFragment.newInstance()).commit();
			break;

		default:
			break;
		}

	}

	public void onSectionAttached(int number) {
		switch (number) {
		case 0:
			mTitle = getString(R.string.section_scan_receipt);
			break;
		case 1:
			mTitle = getString(R.string.section_user_elections);
			break;
		case 2:
			mTitle = getString(R.string.section_user_voted_elections);
			break;
		case 3:
			mTitle = getString(R.string.section_user_open_elections);
			break;
		}
	}

	public void restoreActionBar() {
		ActionBar actionBar = getActionBar();
		actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
		actionBar.setDisplayShowTitleEnabled(true);
		actionBar.setTitle(mTitle);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		if (!mNavigationDrawerFragment.isDrawerOpen()) {
			// Only show items in the action bar relevant to this screen
			// if the drawer is not showing. Otherwise, let the drawer
			// decide what to show in the action bar.
			getMenuInflater().inflate(R.menu.main, menu);
			mItemFb = menu.findItem(R.id.action_fb);
			restoreActionBar();
			return true;
		}
		return super.onCreateOptionsMenu(menu);
	}

	@Override
	public boolean onPrepareOptionsMenu(Menu menu) {
		if (mItemFb != null) {
			if (mSimpleFacebook.isLogin()) {
				mItemFb.setIcon(R.drawable.ic_action_exit);
				mItemFb.setTitle(R.string.logout);
			} else {
				mItemFb.setIcon(R.drawable.ic_action_facebook);
				mItemFb.setTitle(R.string.login);
			}
			return true;
		}
		return super.onPrepareOptionsMenu(menu);
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		int id = item.getItemId();
		if (id == R.id.action_fb) {
			if (mSimpleFacebook.isLogin()) {
				mSimpleFacebook.logout(mOnLogoutListener);
			} else {
				mSimpleFacebook.login(mOnLoginListener);
			}
			return true;
		}
		if (id == R.id.action_settings) {
			Intent intent = new Intent(this, PreferencesActivity.class);
			startActivity(intent);
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		mSimpleFacebook.onActivityResult(this, requestCode, resultCode, data);
	}

	public SimpleFacebook getSimpleFacebook() {
		return mSimpleFacebook;
	}

	// Login listener
	private OnLoginListener mOnLoginListener = new OnLoginListener() {

		@Override
		public void onFail(String reason) {
			Log.w(TAG, "Failed to login");
		}

		@Override
		public void onException(Throwable throwable) {
			Log.e(TAG, "Bad thing happened", throwable);
		}

		@Override
		public void onThinking() {
			// show progress bar or something to the user while login is
			// happening
			Log.i(TAG, "Thinking...");
		}

		@Override
		public void onLogin() {
			Log.i(TAG, "Logged in");

			invalidateOptionsMenu();

			Log.i(TAG, mSimpleFacebook.getSession().getAccessToken());
			login(mSimpleFacebook.getSession().getAccessToken());

			// Profile.Properties properties = new Profile.Properties.Builder()
			// .add(Properties.ID).add(Properties.NAME).build();
			// mSimpleFacebook.getProfile(properties, mOnProfileListener);
			//
			// mSimpleFacebook.getGroups(mOnGroupsListener);

			// final Session session = ((MainActivity)
			// getActivity()).getSimpleFacebook().getSession();
			// if (session != null && session.isOpened()) {
			// // If the session is open, make an API call to get user data
			// // and define a new callback to handle the response
			// Request request = Request.newMeRequest(session, new
			// Request.GraphUserCallback() {
			// @Override
			// public void onCompleted(GraphUser user, Response response) {
			// // If the response is successful
			// if (session == Session.getActiveSession()) {
			// if (user != null) {
			// String user_ID = user.getId();//user id
			// String profileName = user.getName();//user's profile name
			// mTextViewContent.setText(user_ID + " / " + profileName);
			// }
			// }
			// }
			// });
			// Request.executeBatchAsync(request);
			// }
		}

		@Override
		public void onNotAcceptingPermissions(Permission.Type type) {
			toast(String
					.format("You didn't accept %s permissions", type.name()));
		}
	};

	private void login(String token) {
		RavaApplication app = (RavaApplication) getApplication();
		LoginService loginService = app.getLoginService();
		loginService.login(token, new Callback<User>() {

			@Override
			public void success(User user, Response arg1) {
				Toast.makeText(MainActivity.this, "success " + user.getId(),
						Toast.LENGTH_SHORT).show();
				SettingsManager.saveUser(user);
			}

			@Override
			public void failure(RetrofitError error) {
				Utils.parseError(error, MainActivity.this);
			}
		});
	}

	// Logout listener
	private OnLogoutListener mOnLogoutListener = new OnLogoutListener() {

		@Override
		public void onFail(String reason) {
			Log.w(TAG, "Failed to login");
		}

		@Override
		public void onException(Throwable throwable) {
			Log.e(TAG, "Bad thing happened", throwable);
		}

		@Override
		public void onThinking() {
			Log.i(TAG, "Thinking...");
		}

		@Override
		public void onLogout() {
			invalidateOptionsMenu();
			SettingsManager.clearUser();
			toast("You are logged out");
		}

	};

	// listener for profile request
	final OnProfileListener mOnProfileListener = new OnProfileListener() {

		@Override
		public void onFail(String reason) {
			// insure that you are logged in before getting the profile
			Log.w(TAG, reason);
		}

		@Override
		public void onException(Throwable throwable) {
			Log.e(TAG, "Bad thing happened", throwable);
		}

		@Override
		public void onThinking() {
			// show progress bar or something to the user while fetching
			// profile
			Log.i(TAG, "Thinking...");
		}

		@Override
		public void onComplete(Profile profile) {
			Log.i(TAG, "My profile id = " + profile.getId());
			String name = profile.getName();
			toast("name = " + name + "," + "id = " + profile.getId());
		}
	};

	// listener for groups
	final OnGroupsListener mOnGroupsListener = new OnGroupsListener() {

		@Override
		public void onFail(String reason) {
			Log.w(TAG, reason);
		}

		@Override
		public void onException(Throwable throwable) {
			Log.e(TAG, "Bad thing happened", throwable);
		}

		@Override
		public void onThinking() {
			Log.i(TAG, "Thinking...");
		}

		@Override
		public void onComplete(List<Group> response) {
			Log.i(TAG, "Number of groups = " + response.size());
			toast("Number of groups = " + response.size());
		}
	};

	/**
	 * Show toast
	 * 
	 * @param message
	 */
	private void toast(String message) {
		Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
	}

	/**
	 * A placeholder fragment containing a simple view.
	 */
	public static class PlaceholderFragment extends Fragment {
		/**
		 * The fragment argument representing the section number for this
		 * fragment.
		 */
		private static final String ARG_SECTION_NUMBER = "section_number";

		/**
		 * Returns a new instance of this fragment for the given section number.
		 */
		public static PlaceholderFragment newInstance(int sectionNumber) {
			PlaceholderFragment fragment = new PlaceholderFragment();
			Bundle args = new Bundle();
			args.putInt(ARG_SECTION_NUMBER, sectionNumber);
			fragment.setArguments(args);
			return fragment;
		}

		public PlaceholderFragment() {
		}

		@Override
		public View onCreateView(LayoutInflater inflater, ViewGroup container,
				Bundle savedInstanceState) {
			View rootView = inflater.inflate(R.layout.fragment, container,
					false);
			TextView textView = (TextView) rootView
					.findViewById(R.id.section_label);
			textView.setText(Integer.toString(getArguments().getInt(
					ARG_SECTION_NUMBER)));
			return rootView;
		}

		@Override
		public void onAttach(Activity activity) {
			super.onAttach(activity);
			((MainActivity) activity).onSectionAttached(getArguments().getInt(
					ARG_SECTION_NUMBER));
		}
	}

}