Java

package com.novoda.runbuddy.activity;<br />
<br />
public class StopWatch {<br />
<br />
    private long startTime = 0;<br />
    private long stopTime = 0;<br />
    private long elapsed = 0;<br />
    private boolean running = false;<br />
<br />
<br />
    public void start() {<br />
        this.startTime = System.nanoTime();<br />
        this.running = true;<br />
    }<br />
<br />
<br />
    public void stop() {<br />
        this.stopTime = System.nanoTime();<br />
        this.running = false;<br />
    }<br />
<br />
    public void reset() {<br />
        this.startTime = 0;<br />
        this.stopTime = 0;<br />
        this.running = false;<br />
    }<br />
<br />
    //elaspsed time in microseconds<br />
    public long getElapsedTimeMicro() {<br />
        if (running) {<br />
            elapsed = ((System.nanoTime() - startTime) / 1000);<br />
        }<br />
        else {<br />
            elapsed = ((stopTime - startTime) / 1000);<br />
        }<br />
        return elapsed;<br />
    }<br />
<br />
    //elaspsed time in milliseconds<br />
    public long getElapsedTimeMilli() {<br />
        if (running) {<br />
            elapsed = ((System.nanoTime() - startTime) / 1000000);<br />
        }<br />
        else {<br />
            elapsed = ((stopTime - startTime) / 1000000);<br />
        }<br />
        return elapsed;<br />
    }<br />
}<br />