Android Open Source - android-gps-test-tool Elapsed Timer

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License

The source code is released under:

Apache License ? 2.0 TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by...

Java Source Code

package com.agup.gps.utils;
/*ww w  . j av a2s. c om*/
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;
import java.util.concurrent.TimeUnit;

import android.os.Handler;
import android.os.SystemClock;
import android.widget.TextView;

public class ElapsedTimer {

  private Handler _handler;
  
  private long _startTime = 0;
  private long _millis;
  
  private long _delayMillis;
  
  private TextView _textView;
  
  private String _format = String.format("%%0%dd", 2); 

  public ElapsedTimer(){
    _handler = new Handler();
  }
  
  public void startTimer(long delayMillis,TextView id){
    _textView = (TextView) id;
    _delayMillis = delayMillis;
    _startTime = SystemClock.elapsedRealtime();
    _handler.removeCallbacks(updateTimerTask);

    updateTimerTask.run();
    //Thread taskThread = new Thread(updateTimerTask);
    //taskThread.start();
  }
  
  public void stopTimer(){
    _handler.removeCallbacks(updateTimerTask);
  }
  
  public void pauseTimer(){
    _handler.removeCallbacks(updateTimerTask);
  }
  
  public void unpauseTimer(){
    if(_startTime != 0){
      updateTimerTask.run();      
    }
  }
  
  private Runnable updateTimerTask = new Runnable() {
    
    @Override
    public void run() {
      final long start = _startTime;
      _millis = SystemClock.elapsedRealtime() - start;
      _textView.setText(getMinutes() + ":" + getSeconds() + ":" + getMillis());
      _handler.postDelayed(updateTimerTask, _delayMillis);
    }
  };
    
  public long getElapsedtime(){
    return _millis;
  }
  
  public String getMillis(){
    return String.format(_format, _millis % 1000);
  }
  
  public String getSeconds(){  
    return String.format(_format, _millis/1000 % 60);
  }
  
  public String getMinutes(){  
    return String.format(_format, (_millis/1000 % 3600) / 60);  
  }
  
  public String getHours(){
    return String.format(_format, TimeUnit.MILLISECONDS.toHours(_millis));
  }
  
  public String calculateTimeDifference(long begin, long end){
    long time = end - begin;
    String millis = String.format(_format, time % 1000);
    String secs = String.format(_format, time/1000 % 60);
    String mins = String.format(_format, (time/1000 % 3600) / 60);
    return mins + ":" + secs + ":" + millis;
  }
  
  public String convertMillisToHMSS(long millis){
    String seconds = String.format(_format, _millis/1000 % 60);
    String minutes = String.format(_format, (_millis/1000 % 3600) / 60);
    String hours = String.format(_format, TimeUnit.MILLISECONDS.toHours(millis));
    String ms = String.format(_format,  millis % 1000);
    return hours + ":" + minutes + ":" + seconds + ":" + ms;
  }
  
  /**
   * Returns formatted String that includes time zone offset.
   * @param millis
   * @return
   */
  public String convertMillisToMDYHMSS(long millis){
    DateFormat formatter = new SimpleDateFormat("MM/dd/yyyy hh:mm:ss.SSSZ",Locale.getDefault());
    formatter.setTimeZone(TimeZone.getDefault());
    Calendar calendar = Calendar.getInstance();    
      calendar.setTimeInMillis(millis);
      return formatter.format(calendar.getTime());
  }
  
}

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