android，结合Timer和TimerTask实现定时任务

package zhexian.app.myapplication;

import android.util.Log;

import java.util.Timer;
import java.util.TimerTask;

/**
* Created by kimmy on 2015/9/30.
*/
public class TimerTaskDemo {
/**
* 任务延时执行
*/
private static final int DELAY_DURATION = 0;

/**
* 任务执行间隔
*/
private static final int LOOP_DURATION = 100;

private Timer timer;
private TimerTask mTimerTask;

public void start() {
if (timer != null)
timer.cancel();

timer = new Timer();

if (mTimerTask != null)
mTimerTask.cancel();

mTimerTask = new TimerTask() {
@Override
public void run() {
Log.d("定时触发器", "mTimerTask");
}
};
timer.schedule(mTimerTask, DELAY_DURATION, LOOP_DURATION);
}

public void stop() {
if (timer != null)
timer.cancel();

if (mTimerTask != null)
mTimerTask.cancel();
}
}