Network activity indicator shows net usage measured state change after 5 seconds and 30 second (ACTIVE, STALLED, INACTIVE states) to registered listeners in HttpGetter. External net activity can influence this timed state machine by calling periodically when the net is active and to notify the end of activity
Added Task.DEDICATED_THEAD_PRIORITY to spawn on own thread; bug fixes to callbackdelegate (was using JSE methods)
Task.DEDICATED_THREAD_PRIORITY bug fix to bounds check; Object[] bug fix to net status listener notification
Minor PicasaViewer demo app update to reflect execeptoins