BeatService extends Service and Thread : Service « Network « Android

1. Android
2. Network
3. Service

BeatService extends Service and Thread

  
//package nu.kabo.android.beat;

import java.util.Calendar;
import java.util.TimeZone;

import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;

class BeatService extends Service {

  protected static final String TAG = "BeatService";
  protected Thread notifyingThread;
  
  private Handler handler = new Handler() {
    public void handleMessage(Message msg) {
      UpdateTime();
    }
  };
  
  private Runnable mTask = new Runnable() {
        public void run() {
          try {
            handler.sendEmptyMessage(0);
            double cur_time = GetTime();
            double cur_time_dec = cur_time-(int)cur_time;
            //Thread.sleep(5000);
        Thread.sleep((int)Math.ceil(90000*(1-cur_time_dec))); // some extra time here
      } catch (InterruptedException e) {
        return;
      } catch (Exception e) {
        Log.e(TAG, "Error: " + e.getMessage(), e);
      }
          while(true) {
            try {
                handler.sendEmptyMessage(0);
                //Thread.sleep(5000);
                Thread.sleep(86400); // sleep one beat
        } catch (InterruptedException e) {
          Log.d(TAG, "Caught interrupt, exiting thread");
          return;
        } catch (Exception e) {
          Log.e(TAG, "Error: " + e.getMessage(), e);
        }
          }
        }
    };
  
  @Override
  public IBinder onBind(Intent intent) {
    // TODO Auto-generated method stub
    Log.d(TAG, "Bind received");
    return null;
  }
  
  public int onStartCommand(Intent intent, int flags, int startId) {
    super.onStartCommand(intent, flags, startId);
    Log.d(TAG, "starting thread");
    notifyingThread = new Thread(mTask, "NotifyingService");
    notifyingThread.start();
    return START_STICKY;
  }
  
  public void onDestroy() {
    super.onDestroy();
    Log.d(TAG, "stoping thread");
    notifyingThread.interrupt();
  }
  
  private void UpdateTime() {
    //Log.d(TAG, "Updating time");
    Intent intent = new Intent();
    intent.setAction("nu.kabo.android.beat.UPDATE");
    intent.putExtra("time", GetTimeString());
    intent.setClassName("nu.kabo.android.beat", "nu.kabo.android.beat.Beat");
    sendBroadcast(intent);
  }
  
  public double GetTime() {
    Calendar t = Calendar.getInstance(TimeZone.getTimeZone("GMT+0100"));
    return (double)(( ( ( t.get(Calendar.HOUR_OF_DAY) + (t.get(Calendar.MINUTE)/60.0) + (t.get(Calendar.SECOND)/3600.0) ) ) / 24.0 ) * 1000.0);
  }
  public String GetTimeString() {
    String ITime = "00" + (int)GetTime();
    return "@"+(ITime.substring(ITime.length()-3));
  }

}

   
    
  

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