Android Open Source - PactrackDroid Service Starter

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (C) 2014 Joakim Andersson//  w w w .  j av a  2  s  .c  om
 * Copyright (C) 2014 blunden
 * 
 * This file is part of PactrackDroid, an Android application to keep
 * track of parcels sent with the Swedish mail service (Posten).
 * 
 * PactrackDroid 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 2 of the License, or
 * (at your option) any later version.
 * 
 * PactrackDroid 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 nu.firetech.android.pactrack.backend;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.util.Log;

public class ServiceStarter extends BroadcastReceiver {
  private static final String TAG = "<PactrackDroid> ServiceStarter";
  
  private static long sCurrentInterval = -1;

  @Override
  public void onReceive(Context ctx, Intent intent) {
    // The only received intents here are BOOT_COMPLETED or BACKGROUND_DATA_SETTING_CHANGED
    ParcelDbAdapter dbAdapter = new ParcelDbAdapter(ctx);
    dbAdapter.open();
    startService(ctx, dbAdapter);
    dbAdapter.close();
  }
  
  public static void startService(Context ctx, ParcelDbAdapter dbAdapter) {
    Preferences pref = Preferences.getPreferences(ctx);
    long interval = pref.getCheckInterval();
    
    startService(ctx, dbAdapter, interval);
  }

  public static void startService(Context ctx, ParcelDbAdapter dbAdapter, long interval) {
    PendingIntent pi = PendingIntent.getService(ctx, 0, new Intent(ctx, ParcelService.class), 0);
    AlarmManager am = (AlarmManager) ctx.getSystemService(Context.ALARM_SERVICE);
    
    if (dbAdapter != null && dbAdapter.getNumAutoParcels() < 1) {
      interval = 0;
    } else {
      ConnectivityManager cm = (ConnectivityManager)ctx.getSystemService(Context.CONNECTIVITY_SERVICE);
      
      //We still have to do this for pre-ICS Android, and the "new" way has always been handled in ParcelUpdater.
      @SuppressWarnings("deprecation")
      boolean backgroundDataAllowed = cm.getBackgroundDataSetting();
      
      if (!backgroundDataAllowed) {
        interval = 0;
      }
    }
    
    if (interval > 0) {
      Log.d(TAG, "Scheduling service to be run every " + interval + " milliseconds (inexact)");
      am.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + (interval / 2), interval, pi);
    } else {
      Log.d(TAG, "Removing any existing service alarms");
      am.cancel(pi);
    }
    
    sCurrentInterval = interval;
  }
  
  public static long getCurrentInterval() {
    return sCurrentInterval;
  }
}

Java Source Code List

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