Build a simple RSS reader in easy to follow steps, using AsyncTask to fetch feeds, and XmlPullParser to parse the returned XML. Complete source included.

Windows only: If you're delving into XML programming for the first time, or want to tweak a few software files, Microsoft's XML Notepad 2007 may be the no-nonsense editor you're looking for.

Learn to code a simple Android widget that can be updated automatically (after a time period), or in response to user action. Full source code included.