Chapter     4

Communications and Networking

The key to many successful mobile applications is their ability to connect and interact with remote data sources. Web services and APIs are abundant in today’s world, allowing an application to interact with just about any service, from weather forecasts to personal financial information. Bringing this data into the palm of a user’s hand and making it accessible from anywhere is one of the greatest powers of the mobile platform. Android builds on the web foundations that Google is known for and provides a rich toolset for communicating with the outside world.

4-1. Displaying Web Information


HTML or image data from the Web needs to be presented in the application without any modification or ...

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