Asynctask Refreshing Google Map Api V2

My android application retrieves some json data from remote API for each Marker (a Marker shows the position of a real device, there are less than 10 devices to watch) present on t

Solution 1:

Finally I have solved my problem. In mean time I have rewritten part of my program in order to use ScheduledThreadPoolExecutor with subclassed Runnable (instead of Asynctask). In addition I have added onResume() method where I restart ScheduledThreadPoolExecutor using: mScheduledThreadPoolExecutor.scheduleAtFixedRate(runnable, 0, interval, TimeUnit.MILLISECONDS);