AsyncTask's onPostExecute method can call another AsyncTask it?

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AsyncTask's onPostExecute method can call another AsyncTask it?
In one activity, you need to first AsyncTask finished layout after filling, start another AsyncTask download pictures.
AsyncTask onPostExecute start directly on the error, I used the wrong is it?
Which way an expert answer, thank it.

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Reply:
What's wrong newspaper???
Reply:

The reply was deleted administrator at 2013-09-27 15:46:52

Reply:
The second task handler into operation in Can?
Reply:
My code was wrong, huh