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();
    }
}