Android Open Source - eclipse-ui-tips Scheduler

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License

The source code is released under:

Eclipse Public License -v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUT...

Java Source Code

/*******************************************************************************
 * Copyright (c) 2012 Kaloyan Raev./*from w ww  . j  ava 2  s. c  om*/
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Kaloyan Raev - initial implementation
 *******************************************************************************/
package name.raev.kaloyan.android.eclipseuitips;

import static java.util.Calendar.DATE;
import static java.util.Calendar.HOUR_OF_DAY;
import static java.util.Calendar.MILLISECOND;
import static java.util.Calendar.MINUTE;
import static java.util.Calendar.SECOND;

import java.util.Calendar;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;

public class Scheduler {
  
  private final static int REQUEST_CODE = 919728657;
  
  private Context context;
  private Intent intent;
  
  public Scheduler(Context context) {
    this.context = context;
        intent = new Intent(context, AlarmReceiver.class);
  }
  
  public void updateAlarm() {
      if (Preferences.tipEnabled(context)) {
        scheduleAlarm();
      } else {
        cancelAlarm();
      }
    }
    
    private boolean isAlarmSet() {
    return PendingIntent.getBroadcast(context, REQUEST_CODE, intent, PendingIntent.FLAG_NO_CREATE) != null;
    }
    
    private void cancelAlarm() {
      if (isAlarmSet()) { // cancel only if set previously
        PendingIntent sender = getSender();
        getAlarmManager().cancel(sender);
        sender.cancel();
      }
    }

  private void scheduleAlarm() {
    // make sure the alarm is canceled
    cancelAlarm();
    
    // schedule the alarm 
    getAlarmManager().setRepeating(
        AlarmManager.RTC, // no wake up
        getAlarmTime(), 
        AlarmManager.INTERVAL_DAY, 
        getSender());
  }
  
  private AlarmManager getAlarmManager() {
    return (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
  }
  
  private PendingIntent getSender() {
    return PendingIntent.getBroadcast(context, REQUEST_CODE, intent, PendingIntent.FLAG_UPDATE_CURRENT);
  }
  
  private long getAlarmTime() {
    Calendar c = Calendar.getInstance();
    
    // store the current time in a separate variable
    long now = c.getTimeInMillis();
    
    // read the configured time
    Time time = Preferences.getTime(context);
    
    // reset the calendar with the configured time
    c.set(HOUR_OF_DAY, time.getHour());
    c.set(MINUTE, time.getMinute());
    c.set(SECOND, 0);
    c.set(MILLISECOND, 0);
    
    // if the current time is after the configured time then schedule for tomorrow
    if (now > c.getTimeInMillis()) { 
      c.add(DATE, 1); // add one day
    }
    
    return c.getTimeInMillis();    
  }

}

Java Source Code List

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