Executing Two Asynctask In In Two Different Classes

I have 2 AsyncTasks in two different classes but the problem is when the first is do in backgroung state the second is not executed. The first asyncTask if preformed in loop becaus

Solution 1:

After Android API 11, AsyncTasks started to run on serial executor by default, that means that only one task is running at a time. To get the behavior of prior to API 11, which is running on ThreadPoolExecutor, you'll need to specify it in the code like this:

if (Build.VERSION.SDK_INT>=Build.VERSION_CODES.HONEYCOMB) {
  myTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
else {
  myTask.execute();
}

Please take a look here for more information: http://commonsware.com/blog/2012/04/20/asynctask-threading-regression-confirmed.html

Good luck!

P.S. It's not recommended to use AsyncTask for an infinite thread, AsyncTask purpose is to do a Task on the background, not to run forever, so if you want an infinite thread, I think you should create it as a Thread and not as an AsyncTask.

Solution 2:

You asynctasks are in two different activities. Only one activity is active at any time.

Solution 3:

Both classes extend Activity and only one of them is running at the same time. If you want a task to be execute longer than the lifetime of an activity, you have to wrap it into an Service