Android Open Source - Go2-Rennes Metro Stations Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*******************************************************************************
 * Copyright (c) 2011 Michel DAVID mimah35-at-gmail.com
 * //from  w  w w  .ja v  a2s .  co m
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.gotorennes;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import fr.gotorennes.domain.MetroStation;
import fr.gotorennes.util.BackgroundTask;
import fr.gotorennes.view.FilterSortBar;
import fr.gotorennes.view.TitleBar;

public class MetroStationsActivity extends AbstractActivity {

  private List<MetroStation> stations = new ArrayList<MetroStation>();
  private ArrayAdapter<MetroStation> arrayAdapter;

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

  @Override
  protected String getTrackingName() {
    return "stationsMetro";
  }

  @Override
  protected void init(Intent intent) {
    
    TitleBar titleBar = (TitleBar) findViewById(TitleBar.ID);
    titleBar.setIcon(R.drawable.metro);
    titleBar.setTitle(R.string.metroStations);

    arrayAdapter = new MetroStationAdapter(this, stations);

    FilterSortBar filterSortBar = (FilterSortBar) findViewById(FilterSortBar.ID);
    filterSortBar.setArrayAdapter(arrayAdapter);

    ListView listView = (ListView) findViewById(R.id.stations);
    listView.setAdapter(arrayAdapter);
    listView.setOnItemClickListener(new OnItemClickListener() {

      @Override
      public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {

        MetroStation station = (MetroStation) adapter.getItemAtPosition(position);

        Intent intent = new Intent(getApplicationContext(), MetroStationActivity.class);
        intent.putExtra("metroStation", station);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startActivity(intent);
      }

    });

    populate(intent);
  }

  protected void populate(Intent intent) {

    BackgroundTask<List<MetroStation>> backgroundTask = new BackgroundTask<List<MetroStation>>() {

      @Override
      protected List<MetroStation> execute() {
        List<MetroStation> stations = goToRennes.getMetroStationService().getMetroStations();
        if (stations != null) {
          Collections.sort(stations);
        }
        return stations;
      }

      @Override
      protected void callback(List<MetroStation> result) {
        if (result != null) {
          stations.clear();
          stations.addAll(result);
          arrayAdapter.notifyDataSetChanged();
        }
      }
    };
    backgroundTask.start(this);
  }

  class MetroStationAdapter extends ArrayAdapter<MetroStation> {

    public MetroStationAdapter(Context context, List<MetroStation> stations) {
      super(context, 0, stations);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      View view = convertView;
      if (view == null) {
        LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        view = vi.inflate(R.layout.metrostation_listitem, null);
      }

      MetroStation station = getItem(position);

      TextView name = (TextView) view.findViewById(R.id.name);
      name.setText(station.name);

      TextView distance = (TextView) view.findViewById(R.id.distance);
      distance.setText(getMyLocationFormattedDistance(station.latitude, station.longitude));

      return view;
    }

  }
}
Java Source Code List
