gistfile1.java

import java.util.Timer;
import java.util.TimerTask;
import android.app.Service;
import android.os.Handler;

public class MyService extends Service {

    private Handler handler = new Handler();
    private Timer timer;

    public void onCreate() {
        super.onCreate();
        timer = new Timer();
        timer.schedule(new UpdateTask(), 0, 300);
    }

    private class UpdateTask extends TimerTask {
        public void run() {
            handler.post(new Runnable() {
                public void run() {
                    // 実際の処理...
                }
            });
        }
    }
    
}