Android Open Source - TaskButler Notification Helper

• Back to Development/project  ↑

From Project

Back to project page TaskButler.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * NotificationHelper.java/*from  w w  w  .  jav a2 s.  com*/
 * 
 * Copyright 2012 Jonathan Hasenzahl, James Celona, Dhimitraq Jorgji
 * 
 * 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, or
 * (at your option) any later version.
 *
 * 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 edu.worcester.cs499summer2012.service;

import java.util.Calendar;
import java.util.GregorianCalendar;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.preference.PreferenceManager;
import android.support.v4.app.NotificationCompat;
import android.text.format.DateFormat;
import edu.worcester.cs499summer2012.R;
import edu.worcester.cs499summer2012.activity.SettingsActivity;
import edu.worcester.cs499summer2012.activity.ViewTaskActivity;
import edu.worcester.cs499summer2012.task.Task;

/**
 * Creates Notifications using NotificationCompat to allow for
 * comparability though different API levels
 * 
 * @author Dhimitraq Jorgji
 *
 */
public class NotificationHelper{
  /**
   * Basic Text Notification for Task Butler, using NotificationCompat
   * @param context 
   * @param id id of task, call task.getID() and pass it to this parameter
   */
  public void sendBasicNotification(Context context, Task task) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    boolean vibrate = prefs.getBoolean(SettingsActivity.VIBRATE_ON_ALARM, true);
    int alarmInterval;
    int alarmUnits;
    
    if (task.hasFinalDateDue()) {
      alarmInterval = Integer.parseInt(prefs.getString(SettingsActivity.ALARM_TIME, SettingsActivity.DEFAULT_ALARM_TIME));
      alarmUnits = Calendar.MINUTE;
    } else {
      alarmInterval = Integer.parseInt(prefs.getString(SettingsActivity.REMINDER_TIME, SettingsActivity.DEFAULT_REMINDER_TIME));
      alarmUnits = Calendar.HOUR_OF_DAY;
    }
    
    Calendar next_reminder = GregorianCalendar.getInstance();
    next_reminder.add(alarmUnits, alarmInterval);
    
    NotificationCompat.Builder builder = new NotificationCompat.Builder(context)
      .setAutoCancel(true)
      .setContentIntent(getPendingIntent(context, task.getID()))
      .setContentInfo(Task.PRIORITY_LABELS[task.getPriority()])
      .setContentTitle(task.getName())
      .setContentText(DateFormat.format("'Next reminder at' h:mmaa", next_reminder))
      .setDefaults(vibrate ? Notification.DEFAULT_ALL : Notification.DEFAULT_SOUND|Notification.DEFAULT_LIGHTS)
      .setSmallIcon(Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ? 
          R.drawable.ic_notification : R.drawable.ic_notification_deprecated)
      .setTicker(task.getName())
      .setWhen(System.currentTimeMillis());
    @SuppressWarnings("deprecation")
    Notification notification = builder.getNotification();
    NotificationManager notificationManager = getNotificationManager(context);
    notificationManager.notify(task.getID(), notification);
  }
  /**
   * Basic Text Notification with Ongoing flag enabled for Task Butler, using NotificationCompat
   * @param context 
   * @param id id of task, call task.getID() and pass it to this parameter
   * @deprecated Use sendBasicNotification for all notifications
   */
  public void sendPersistentNotification(Context context, Task task) {
    NotificationCompat.Builder builder = new NotificationCompat.Builder(context)
      .setContentText(task.getNotes())
      .setContentTitle(task.getName())
      .setSmallIcon(Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ? 
          R.drawable.ic_notification : R.drawable.ic_notification_deprecated)
      .setAutoCancel(true)
      .setContentIntent(getPendingIntent(context,task.getID()))
      .setWhen(System.currentTimeMillis())
      .setOngoing(true)
      .setDefaults(Notification.DEFAULT_ALL);
    Notification notification = builder.getNotification();
    NotificationManager notificationManager = getNotificationManager(context);
    notificationManager.notify(task.getID(), notification);
  }
  //get a PendingIntent
  PendingIntent getPendingIntent(Context context, int id) {
    Intent intent =  new Intent(context, ViewTaskActivity.class)
      .putExtra(Task.EXTRA_TASK_ID, id);
    return PendingIntent.getActivity(context, id, intent, 0);
  }
  //get a NotificationManager
  NotificationManager getNotificationManager(Context context) {
    return (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
  }
  
  /**
   * Cancels an existing notification, if user modified the task. Make the
   * actual call from TaskAlarm.cancelNotification(Context, int)
   * @param context
   * @param taskID
   */
  public void cancelNotification(Context context, int taskID) {
    NotificationManager notificationManager = getNotificationManager(context);
    notificationManager.cancel(taskID);
  }

}

Java Source Code List

• Back to Development/project  ↑