Yes, that is a bit more complex. First, don't confuse SAX handler
callbacks with GUI handler callbacks. Two approaches:

1) Make AsyncTask implement org.sax.ContentHandler. That way the
SAX callbacks have direct access to AsyncTask.publishProgress().
2) Create a delegate so that the parser has a handle back to AsyncTask for
posting progress updates.

If you switch to XPP, you can just put the whole parser into AsyncTask, or
use a delegate to callback AsyncTask.

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