Getting JSON from Blogger blog

I'm guessing this is a fairly dumb question but I'm new to Android and Java. I'd like to adapt the BlogReader I've developed by working through Ben's course to read my own blog, which has an xml feed at http://friendly-encounters.blogspot.co.uk/feeds/posts/default?alt=rss Google's code playground at http://code.google.com/apis/ajax/playground/#list_posts shows me how to this it with Javascript and it works. But how do I get it to work in Ben's Java BlogReader?

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