07.05.2011 19:53, Droid пишет:
Seems I can use an async task OR roll my own thread to do a background
task.
Is one better than the other?
Not "better", mostly just plug into the rest of your code somewhat
differently.
AsyncTask provides helpers methods, like onPreExecute, onProgressUpdate,
which are conveniently called on the UI thread - Thread does not have those.
AsyncTask is not reusable, once it's executed, you will need to create a
new one to execute a new work item. A thread can be written such that it
gets work items from a queue, staying running.
AsyncTasks are executed in parallel prior to 3.0, and in 3.0 the default
execution model is one task at a time (which can be changed). A thread
is independent of other threads.
AsyncTask is faster and easier to get going, a Thread is a bit more work.
Neither AsyncTask nor Thread affect your process's lifetime.
--
Kostya Vasilyev -- http://kmansoft.wordpress.com
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