timertask – Tarik Billa

How to execute Async task repeatedly after fixed time intervals

March 31, 2023 by Tarik

public void callAsynchronousTask() { final Handler handler = new Handler(); Timer timer = new Timer(); TimerTask doAsynchronousTask = new TimerTask() { @Override public void run() { handler.post(new Runnable() { public void run() { try { PerformBackgroundTask performBackgroundTask = new PerformBackgroundTask(); // PerformBackgroundTask this class is the class that extends AsynchTask performBackgroundTask.execute(); } catch (Exception e) … Read more

TimerTask vs Thread.sleep vs Handler postDelayed – most accurate to call function every N milliseconds?

March 6, 2023 by Tarik

There are some disadvantages of using Timer It creates only single thread to execute the tasks and if a task takes too long to run, other tasks suffer. It does not handle exceptions thrown by tasks and thread just terminates, which affects other scheduled tasks and they are never run ScheduledThreadPoolExecutor deals properly with all … Read more

How to run certain task every day at a particular time using ScheduledExecutorService?

January 5, 2023 by Tarik

As with the present java SE 8 release with it’s excellent date time API with java.time these kind of calculation can be done more easily instead of using java.util.Calendar and java.util.Date. Use date time class’s i.e. LocalDateTime of this new API Use ZonedDateTime class to handle Time Zone specific calculation including Daylight Saving issues. You … Read more

Timertask or Handler

December 27, 2022 by Tarik

Handler is better than TimerTask. The Java TimerTask and the Android Handler both allow you to schedule delayed and repeated tasks on background threads. However, the literature overwhelmingly recommends using Handler over TimerTask in Android (see here, here, here, here, here, and here). Some of reported problems with TimerTask include: Can’t update the UI thread … Read more