ServiceHelper.java :  » App » droidcon-app » org » droidcon » droidconapp » news » Android Open Source

package org.droidcon.droidconapp.news;
/*
*  This file is part of OI Newsreader.
*  Copyright (C) 2007-2009 OpenIntents.org
*  OI Newsreader 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, or
*  (at your option) any later version.
*
*  OI Newsreader 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 OI Newsreader.  If not, see <http://www.gnu.org/licenses/>.
*/


import java.util.Date;

import org.droidcon.droidconapp.R;
import org.droidcon.droidconapp.news.News.Channel;

import android.app.AlarmManager;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;

public class ServiceHelper{

  private Context mContext;

  public ServiceHelper(Context c){
    mContext=c;
  }

  private static final String _TAG="ServiceHelper";

  public  void notifyNewEntries(int count, String id) {

    Uri uri = Uri.withAppendedPath(Channel.CONTENT_URI, id);
    Log.v(_TAG, uri.toString());
    Cursor cursor = mContext.getContentResolver().query(uri,
        News.Channel.PROJECTION_MAP, null, null, null);
    if (cursor.moveToFirst()) {
      String feedType = cursor.getString(cursor
          .getColumnIndexOrThrow(News.Channel.CHANNEL_TYPE));
      String feedname = cursor.getString(cursor
          .getColumnIndexOrThrow(News.Channel.CHANNEL_NAME));
      String feedLink = cursor.getString(cursor
          .getColumnIndexOrThrow(News.Channel.CHANNEL_LINK));

      // Set the icon, scrolling text and that it should be shown
      // immediately
      Notification notification = new Notification(
          R.drawable.newsreader_icon, 
          mContext.getString(  R.string.newnews, feedname, String.valueOf(count)),
          System.currentTimeMillis());

      // The PendingIntent to launch our activity if the user selects this
      // notification

      Bundle b = new Bundle();
      b.putString(News.Channel.CHANNEL_TYPE, feedType);
      b.putString(News.Channel._ID, id);
      b.putString(News.Channel.CHANNEL_NAME, feedname);
      b.putString(News.Channel.CHANNEL_LINK, feedLink);

      Intent i = new Intent(mContext, NewsActivity.class);
      i.setData(uri);
      i.putExtras(b);

      PendingIntent contentIntent = PendingIntent.getActivity(mContext, 0, i,
          0);
      notification.setLatestEventInfo(mContext,
          mContext.getString(R.string.app_name), 
          mContext.getString(R.string.newnews, feedname, String.valueOf(count)),
          contentIntent);

      // Send the notification.
      // We use a layout id because it is a unique number. We use it later
      // to
      // cancel.
      ((NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE))
          .notify(NewsreaderService.NEW_NEWS_NOTIFICATION, notification);
      Log.v(_TAG, "notification sent:" + notification);
    } else {
      Log.v(_TAG, "notification not sent.");
    }
  }


  public void scheduleRun(){
    AlarmManager am=(AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE);
    long time=System.currentTimeMillis();
    time=time+(10*60*1000);
    Intent intent = new Intent(mContext,NewsreaderService.class);
    PendingIntent operation=PendingIntent.getService(mContext,0,intent,PendingIntent.FLAG_ONE_SHOT);
    Log.i(_TAG,"scheduling run of newsreader service for >"+java.text.DateFormat.getInstance().format(new Date(time)));
    am.set(AlarmManager.RTC_WAKEUP,time,operation);

  
  }

}