Nos mandan la primera parte de una serie de artículos sobre el desarrollo en Android, en este caso dan un ejemplo de lector de Twitter usando XML y JSON:

This article, explores techniques for handling two of the most common data formats used on the Internet — XML and JavaScript Object Notation (JSON)— on the Android platform. Learn the basics of XML and JSON and how to build an Android application that parses and displays a Twitter status-update in both formats.

Nos mandan un artículo de como utilizar XML, JavaScript Object Notation (JSON) y el Protocol Buffers Format de Google para integrar información de internet en Android:

Many of your Android apps will need to interact with Internet data, which comes in a variety of formats. In this article, build an Android app that works with popular data formats — XML and JavaScript Object Notation (JSON, as well as the more exotic protocol buffers format from Google. You’ll learn about the performance and coding trade-offs associated with each format.