Android Open Source - VoxPopuli-Android Home Activity

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Back to project page VoxPopuli-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package fr.kyriog.android.voxpopuli;
//ww w  . j av a2  s  . c o m
import fr.kyriog.android.voxpopuli.adapter.HomeAdapter;
import fr.kyriog.android.voxpopuli.entity.Game;
import fr.kyriog.android.voxpopuli.handler.HomeHandler;
import fr.kyriog.android.voxpopuli.socketio.BaseCallback;
import fr.kyriog.android.voxpopuli.socketio.HomeCallback;
import io.socket.SocketIO;

import java.net.MalformedURLException;
import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.BaseAdapter;
import android.widget.ListView;

public class HomeActivity extends Activity {
  public final static String VP_DATA_USERNAME = "username";
  public final static String VP_DATA_GAME = "game";
  public final static String VP_DATA_USER_ID = "userId";
  public final static String VP_DATA_USER_SESSION = "userSession";

  private final static int LOGIN_REQUEST_CODE = 1;
  private final static String SIS_GAMES = "games";

  private static SocketIO socket;
  private static BaseCallback callback;
  private BaseAdapter adapter;

  private SharedPreferences prefs;
  private ArrayList<Game> games = new ArrayList<Game>();

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if(savedInstanceState != null)
      games = savedInstanceState.getParcelableArrayList(SIS_GAMES);
  }

  @Override
  protected void onStart() {
    super.onStart();
    adapter = new HomeAdapter(this, games);
    if(callback != null)
      callback.setHandler(new HomeHandler(games, adapter));
    prefs = getPreferences(MODE_PRIVATE);
    if(prefs.contains(VP_DATA_USER_ID) && prefs.contains(VP_DATA_USER_SESSION))
      loadGames();
    else
      launchLogin();
  }

  @Override
  protected void onDestroy() {
    if(isFinishing())
      clearSocket();
    super.onDestroy();
  }

  @Override
  protected void onUserLeaveHint() {
    clearSocket();
    super.onUserLeaveHint();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.home, menu);
    return true;
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    outState.putParcelableArrayList(SIS_GAMES, games);
    super.onSaveInstanceState(outState);
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
    if(resultCode == Activity.RESULT_OK) {
      games.clear();
      Bundle userData = data.getExtras();

      SharedPreferences.Editor editor = prefs.edit();
      editor.putString(VP_DATA_USER_ID, userData.getString(VP_DATA_USER_ID));
      editor.putString(VP_DATA_USER_SESSION, userData.getString(VP_DATA_USER_SESSION));
      editor.commit();
      loadGames();
    } else
      finish();
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId()) {
    case R.id.home_menu_logout:
      SharedPreferences.Editor editor = prefs.edit();
      editor.remove(VP_DATA_USER_ID);
      editor.remove(VP_DATA_USER_SESSION);
      editor.commit();
      launchLogin();
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  private void loadGames() {
    if(callback == null)
      callback = new HomeCallback(new HomeHandler(games, adapter));
    if(socket == null || !socket.isConnected()) {
      StringBuilder header = new StringBuilder();
      header.append("user_id=" + prefs.getString(HomeActivity.VP_DATA_USER_ID, ""));
      header.append("&user_session=" + prefs.getString(HomeActivity.VP_DATA_USER_SESSION, ""));
      header.append("&page=index");
      try {
        socket = new SocketIO("http://vox-populi.richie.fr/lldpgn", header.toString());
        socket.connect(callback);
      } catch (MalformedURLException e) {
        e.printStackTrace();
      }
    }

    setContentView(R.layout.activity_home);

    ListView gamesView = (ListView) findViewById(R.id.home_games);
    gamesView.setAdapter(adapter);
  }

  public void launchGame(Game game) {
    Intent intent = new Intent(this, GameActivity.class);
    intent.putExtra(VP_DATA_USER_ID, prefs.getString(VP_DATA_USER_ID, ""));
    intent.putExtra(VP_DATA_USER_SESSION, prefs.getString(VP_DATA_USER_SESSION, ""));
    intent.putExtra(VP_DATA_GAME, game.getId());
    startActivity(intent);
    clearSocket();
  }

  private void launchLogin() {
    Intent intent = new Intent(this, LoginActivity.class);
    startActivityForResult(intent, LOGIN_REQUEST_CODE);
  }

  private void clearSocket() {
    if(socket != null)
      socket.disconnect();
    socket = null;
    callback = null;
  }
}

Java Source Code List

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