Android Open Source - TheGamesDB-Android-app Game List Activity

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Back to project page TheGamesDB-Android-app.

License

The source code is released under:

GNU General Public License

Java Source Code

package dragni.tgb.thegamesdb.views;
//from   w  w w  .j a  v  a  2  s.c  o m
import java.io.IOException;
import java.net.URL;

import org.xmlpull.v1.XmlPullParserException;

import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.Toast;

import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.example.thegamesdb.R;

import dragni.tgb.thegamesdb.entity.GameList;
import dragni.tgb.thegamesdb.logic.GameSearcher;
import dragni.tgb.thegamesdb.util.GameListSorter;
import dragni.tgb.thegamesdb.util.GameListSorter.SortType;
import dragni.tgb.thegamesdb.util.SearchType;
import dragni.tgb.thegamesdb.util.UrlMaker;

public class GameListActivity extends SherlockActivity {
  private GameSearcher gameSearcher;
  private ListView gameListView;
  private GameList games;
  private GameListSorter gameListSorter;
  private ListAdapter gameListAdapter;
  private UrlMaker urlMaker;
  private boolean menuChanged = false;

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

    getActionBar().setDisplayHomeAsUpEnabled(true);

    // get the search query.
    Intent intent = getIntent();
    String searchQuery = intent.getStringExtra("searchQuery");

    // setup the required manager and util objects.
    gameSearcher = new GameSearcher();
    urlMaker = new UrlMaker();
    gameListSorter = new GameListSorter();

    sendSearchRequest(searchQuery);
  }

  private void sendSearchRequest(String searchQuery) {
    URL searchUrl = urlMaker.getGameByNameUrl(searchQuery);
    DownloadGamesList asyncDownload = new DownloadGamesList();
    asyncDownload.execute(searchUrl);
  }

  private void showGamesList(GameList games) {
    this.games = games;
    gameListView = (ListView) findViewById(R.id.gameListLayout);
    gameListAdapter = new ListAdapter(this, games);
    gameListView.setAdapter(gameListAdapter);

    // Click event for single list row
    gameListView.setOnItemClickListener(new OnItemClickListener() {

      @Override
      public void onItemClick(AdapterView<?> adapterView, View view,
          int position, long id) {
        String idTxt = view.findViewById(R.id.title).getTag()
            .toString();
        int gameId = Integer.parseInt(idTxt);
        gameInformationClick(gameId);
      }
    });
  }

  private void gameInformationClick(int gameId) {
    Intent intent = new Intent(this, GameOverviewActivity.class);
    intent.putExtra("id", gameId);
    startActivity(intent);
  }

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

  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {
    menu.clear();
    getSupportMenuInflater().inflate(R.menu.game_list, menu);

    if (menuChanged) {
      setSortMenuIcons(menu);
      sortGameList();
      menuChanged = false;
    }

    return super.onPrepareOptionsMenu(menu);
  }

  private void setSortMenuIcons(Menu menu) {
    SortType sortType = gameListSorter.getSortType();
    MenuItem item;

    resetSortMenuIcons(menu);

    switch (sortType) {
    case nameAsc:
      item = menu.findItem(R.id.sortByName);
      item.setIcon(R.drawable.up);
      break;
    case nameDesc:
      item = menu.findItem(R.id.sortByName);
      item.setIcon(R.drawable.down);
      break;
    case platformAsc:
      item = menu.findItem(R.id.sortByPlatform);
      item.setIcon(R.drawable.up);
      break;
    case platformDesc:
      item = menu.findItem(R.id.sortByPlatform);
      item.setIcon(R.drawable.down);
      break;
    case releaseAsc:
      item = menu.findItem(R.id.sortByRelease);
      item.setIcon(R.drawable.up);
      break;
    case releaseDesc:
      item = menu.findItem(R.id.sortByRelease);
      item.setIcon(R.drawable.down);
      break;
    }
  }

  private void resetSortMenuIcons(Menu menu) {
    MenuItem nameItem = menu.findItem(R.id.sortByName);
    nameItem.setIcon(R.drawable.none);
    MenuItem platformItem = menu.findItem(R.id.sortByName);
    platformItem.setIcon(R.drawable.none);
    MenuItem releaseItem = menu.findItem(R.id.sortByName);
    releaseItem.setIcon(R.drawable.none);
  }

  private void sortGameList() {
    games = gameListSorter.sortGamesList(games);
    showGamesList(games);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem menuItem) {
    switch (menuItem.getItemId()) {
    case android.R.id.home:
      NavUtils.navigateUpFromSameTask(this);
      return true;
    case R.id.sortByName:
      menuChanged = true;
      gameListSorter.setSortType(GameListSorter.NAME);
      invalidateOptionsMenu();
      break;
    case R.id.sortByPlatform:
      menuChanged = true;
      gameListSorter.setSortType(GameListSorter.PLATFORM);
      invalidateOptionsMenu();
      break;
    case R.id.sortByRelease:
      menuChanged = true;
      gameListSorter.setSortType(GameListSorter.RELEASE);
      invalidateOptionsMenu();
      break;
    }
    return super.onOptionsItemSelected(menuItem);
  }

  private class DownloadGamesList extends AsyncTask<URL, Integer, GameList> {
    protected GameList doInBackground(URL... url) {

      try {
        gameSearcher.parseXml(url[0], SearchType.MULTIPLE_SEARCH);
        GameList searchResults = gameSearcher.getSearchResults();
        return searchResults;
      } catch (XmlPullParserException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      }
      return null;
    }

    protected void onProgressUpdate(Integer... progress) {
      // show progress or something.
    }

    protected void onPostExecute(GameList gamesList) {
      if (gamesList != null) {
        if (gamesList.size() > 0) {
          setContentView(R.layout.activity_game_list);
          gamesList = gameListSorter.sortByNameAsc(gamesList);
          showGamesList(gamesList);
        } else {

          Context context = getApplicationContext();
          CharSequence text = "No games found";
          int duration = Toast.LENGTH_LONG;
          Toast toast = Toast.makeText(context, text, duration);
          toast.show();

          Intent i = new Intent(context, SearchActivity.class);
          startActivity(i);

        }
      }
      else
      {
        Context context = getApplicationContext();
        Intent i = new Intent(context, SearchActivity.class);
        startActivity(i);
      }
    }
  }
}

Java Source Code List

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