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Editorial Team
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Asked: 2026-05-21T10:05:43+00:00

I would like to know how it works. I have read the documentation a

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I would like to know how it works. I have read the documentation a couple of times but don’t get the idea.

I noticed that in some cases onPostExecute does nothing.

Can anyone please give me a little explanation?

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1 Answer

  1. Editorial Team

    AsyncTask is a class derived from Thread and provides you a simple and proper way of doing some things in the background with the ability of notifying the UI Thread.

    In order to use it you should create a class, which extends it and define the type parameters. They are Params, Progress and Result. Read about them more here.

    onPostExecute() is a method which is called when doInBackground() finished it’s execution, but onPostExecute() is run on the UI Thread. So, you can notify the UI about the work has been done.

    You can see an example of AsyncTask usage here.

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