Android Open Source - ZeoSleepMonitor Wake Logic

• Back to Graphics/graph  ↑

From Project

Back to project page ZeoSleepMonitor.

License

The source code is released under:

MIT License

Java Source Code

package com.stephenklancher.zeosleepmonitor;
/*from  w w  w  .  java  2 s  .co m*/
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import android.content.SharedPreferences;
import android.preference.PreferenceManager;

import com.stephenklancher.zeosleepmonitor.ZeoData.SleepPhase;

/**
 * Uses Zeo data to decide if now is a good time to wake up.
 * @author Stephen Klancher
 *
 */
public class WakeLogic {
    @SuppressWarnings("unused")
  private static final String TAG = SleepMonitorService.class.getSimpleName();
  
  /**
   * Number of minutes before alarm to look for a good wake time
   * TODO: Configurability.  For now hardcoded.
   * @return int minutes
   */
  private static int wakeWindowMinutes(){
    return 30;
  }
  
  /**
   * Alarm time (end of alarm window)
   * TODO: Configurability: Either user chosen time or after certain amount of sleep.  For now hardcoded.
   * @return Date with hour and minute set
   */
  private static Date wakeTime(){
    
    //doesn't work?
    SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(ZeoData.getContext());
    int hours =Integer.getInteger(sharedPref.getString(SleepMonitorPreferences.PREF_WAKE_AFTER_HOURS,"0"), 0);
    

    Calendar cal=Calendar.getInstance();
    Calendar today=Calendar.getInstance();
    
    if (hours==0){
      long alarmMillis =sharedPref.getLong(SleepMonitorPreferences.PREF_ALARM_TIME,0);
      
      //set the time (and date) from the preference
      cal.setTimeInMillis(alarmMillis);
      
      //override the date with today
      //inelegant, but the before midnight the alarm will just look like it is long past
      //  then in the morning it will be "today" and work.
      cal.set(Calendar.YEAR, today.get(Calendar.YEAR));
      cal.set(Calendar.MONTH, today.get(Calendar.MONTH));
      cal.set(Calendar.DAY_OF_MONTH, today.get(Calendar.DAY_OF_MONTH));
      
      //cal.set(2012, 7, 2, 7, 30);
      //cal.set(Calendar.HOUR_OF_DAY, 7);
      //cal.set(Calendar.MINUTE, 30);
  
    }else{
    
      //wake x hours after beginning of night (not actually same as beginning of sleep)
      int sleepEventID=ZeoData.mostRecentSleepEventID(0);
      //after sleeping for an hour
      if(ZeoData.epochCountBase()>120){
        long start=ZeoData.startOfNight(sleepEventID);
        
        cal.setTimeInMillis(start);
        //add x hours to start of night
        cal.add(Calendar.HOUR, hours);
      }else{
        //before an hour's sleep, return impossible date
        cal.set(9999, 6, 27, 7, 30);
      }
    }
    
    return cal.getTime();
    
    //SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(ZeoData.getContext());
    //return new Date(sharedPref.getLong(SleepMonitorPreferences.PREF_ALARM_TIME,0));
    
  }
  
  public static String alarmStatus(){
    SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(ZeoData.getContext());
    int hours =Integer.getInteger(sharedPref.getString(SleepMonitorPreferences.PREF_WAKE_AFTER_HOURS,"0"), 0);

    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    
    if (hours==0){
      return "Alarm is set for " + sdf.format(wakeTime());
    }else{
      return "Alarm is set for " + Integer.toString(hours) + " hours after start of night (" + sdf.format(wakeTime()) + ")";
    }
  }
  
  
  /**
   * Decide if it is a good time to wake
   * @return boolean wake time
   */
  public static boolean isTimeToWake(){ 
    Date endWake=wakeTime();
    
    boolean pastAlarmLimit=System.currentTimeMillis()>endWake.getTime();
    long alarmWindowMillis=10 * 60 * 1000;
    boolean tooFarPastAlarmTime=System.currentTimeMillis()>(endWake.getTime()+alarmWindowMillis);
    
    //if it past the end of the wake window then wake
    if(pastAlarmLimit && !tooFarPastAlarmTime){
          ZeoData.Log("End of wake window hit.");
      return true;
    }
    
    Calendar startWake=Calendar.getInstance();
    startWake.setTime(endWake);
    startWake.add(Calendar.MINUTE, wakeWindowMinutes() * -1);
    
    boolean afterAlarmWindowStart=System.currentTimeMillis()>startWake.getTimeInMillis();
    
    //if it is past the start of the wake window, then check criteria
    if(afterAlarmWindowStart && !pastAlarmLimit){
      SleepPhase currentPhase=ZeoData.currentNight().displayPhase(-1);
      SleepPhase previousPhase=ZeoData.currentNight().displayPhase(-2);
      
      //TODO:  probably better to ALWAYS check for interesting conditions then fire events for them
      //    then alarms can hook into events
      boolean enteringRem=(previousPhase==SleepPhase.LIGHT &&
          currentPhase==SleepPhase.REM);
      
      boolean leavingRem=(previousPhase==SleepPhase.REM &&
          currentPhase==SleepPhase.LIGHT);
      
      if(enteringRem){
        ZeoData.Log("Waking as entering REM.");
        return true;
      }
      
      if(leavingRem){
        ZeoData.Log("Waking as leaving REM.");
        return true;
      }
      
      
      ZeoData.Log("Within wake window.  Current Phase: " + currentPhase);
    }else{
      //SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

      //ZeoData.Log("Outside of wake window.  Window start: " + sdf.format(startWake.getTime()) + ". Window end: " + sdf.format(endWake));
    }
    
    return false;
  }
  
  
  /**
   * Log anything interesting I can think of
   * 
   */
  public static void logInteresting(){
    SleepPhase currentPhase=ZeoData.currentNight().displayPhase(-1);
    SleepPhase previousPhase=ZeoData.currentNight().displayPhase(-2);
    
    //Log what phase we wake from
    if (currentPhase==SleepPhase.WAKE){
      if (previousPhase!=SleepPhase.WAKE && previousPhase!=SleepPhase.UNDEFINED){
        ZeoData.Log("Waking from " + previousPhase);
      }
    }
    
    //Log the more rare light-deep phase
    //if (currentPhase.containsLightDeep()){
    //  ZeoData.Log("Phase detail contaings light-deep: " + currentPhase);
    //}
    
    
    
  }
  
}

Java Source Code List

• Back to Graphics/graph  ↑