public class MainActivity extends AppCompatActivity {

    private TextView textView;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

//        textView = (TextView) findViewById(R.id.text);

        testScheduledExecutorWay();

    }

        private static void testScheduledExecutorWay(){

            ScheduledExecutorService service = Executors.newScheduledThreadPool(10);//创建线程池的方式有几种，可以根据业务具体选择

            long initialDelay1 = 1;

            long period1 = 1;

            // 从现在开始1秒钟之后，每隔1秒钟执行一次job1

            service.scheduleAtFixedRate(

                    new ScheduledExecutorTest("job1"), initialDelay1,

                    period1, TimeUnit.SECONDS);

            long initialDelay2 = 1;

            long delay2 = 1;

            // 从现在开始1秒钟之后，每隔1秒钟执行一次job2

            service.scheduleWithFixedDelay(

                    new ScheduledExecutorTest("job2"), initialDelay2,

                    delay2, TimeUnit.SECONDS);

        }

        static class ScheduledExecutorTest implements Runnable{

            private String jobName = "";

            public ScheduledExecutorTest(String jobName) {

                super();

                this.jobName = jobName;

            }

            @Override

            public void run() {

                System.out.println(getNowTime()+"执行作业：" + jobName);

            }

        }

        public static String getNowTime(){

            Date now = new Date();

            SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");// 可以方便地修改日期格式

            return dateFormat.format(now);

        }

}