Android Open Source - Go2-Rennes Bike Station Widget Configuration 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
 * //  www.ja v a  2  s  .c  o 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.Collections;
import java.util.List;

import android.app.AlertDialog;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.net.Uri;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
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.EditText;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import fr.gotorennes.domain.BikeStation;
import fr.gotorennes.util.BackgroundTask;

public class BikeStationWidgetConfigurationActivity extends AbstractConfigurationActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.bikestation_configure);
    setResult(RESULT_CANCELED);
  }
  
  @Override
  protected String getTrackingName() {
    return "configWidgetVeloStar";
  }  

  @Override
  protected void init() {
    populate(getIntent());
    
    EditText recherche = (EditText) findViewById(R.id.recherche);
    recherche.addTextChangedListener(new TextWatcher() {
      
      @Override
      public void onTextChanged(CharSequence s, int start, int before, int count) {
        ListView listView = (ListView) findViewById(R.id.stations);
        ArrayAdapter<?> adapter = (ArrayAdapter<?>) listView.getAdapter();
        adapter.getFilter().filter(s);
      }
      
      @Override
      public void beforeTextChanged(CharSequence s, int start, int count, int after) {
      }
      
      @Override
      public void afterTextChanged(Editable s) {
      }
    });
    
  }

  protected void populate(Intent intent) {
        
    BackgroundTask<List<BikeStation>> backgroundTask = new BackgroundTask<List<BikeStation>>() {

      @Override
      protected List<BikeStation> execute() {
        List<BikeStation> stations = goToRennes.getBikeStationService().getBikeStations();
        if(stations != null) {
          Collections.sort(stations);
        }
        return stations;
      }

      @Override
      protected void callback(List<BikeStation> result) {
        if (result != null) {
          ListView listView = (ListView) findViewById(R.id.stations);
          listView.setAdapter(getBikeStationAdapter(result));
          listView.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
              final BikeStation station = (BikeStation) adapter.getItemAtPosition(position);
              
              AlertDialog.Builder build = new AlertDialog.Builder(BikeStationWidgetConfigurationActivity.this);
              build.setMessage(getString(R.string.veloChoix) + station.name);
              build.setPositiveButton(getString(R.string.ok), new android.content.DialogInterface.OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                  dialog.dismiss();
                  int widgetId = getWidgetId();

                  SharedPreferences prefs = getSharedPreferences("fr.gotorennes.BikeStationWidget", 0);
                  Editor editor = prefs.edit();
                  editor.putString("stationId" + widgetId, station.id);
                  editor.commit();

                  Intent widgetUpdate = new Intent();
                  widgetUpdate.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
                  widgetUpdate.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { widgetId });
                  widgetUpdate.setData(Uri.withAppendedPath(Uri.parse(BikeStationWidgetProvider.SCHEME + "://widget/id/"), String.valueOf(widgetId)));
                  sendBroadcast(widgetUpdate);

                  Intent resultValue = new Intent();
                  resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId);
                  setResult(RESULT_OK, resultValue);
                  finish();
                }

              });
              build.setNegativeButton(getString(R.string.annuler), new android.content.DialogInterface.OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                  dialog.dismiss();
                }
              });
              build.create().show();
            }

          });
        }
      }
    };
    backgroundTask.start(this);
  }

  protected ListAdapter getBikeStationAdapter(List<BikeStation> stations) {
    return new ArrayAdapter<BikeStation>(this, 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.simple_listitem, null);
        }

        BikeStation station = getItem(position);

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

        return view;
      }

    };
  }
}
Java Source Code List
