Chapter 9Messaging
After you have your basic Android application up and running, the next interesting thing you can add to it is the capability to communicate with the outside world. You might want your application to send an SMS message to another phone when an event happens (such as when a particular geographical location is reached), or you might want to access a web service that provides certain services (such as currency exchange, weather, and so on).
This chapter demonstrates how to send and receive SMS messages programmatically from within your Android application. You also find out how to invoke the Mail application from within your Android application to send email messages to other users.
SMS MESSAGING
SMS messaging is one of the main functions on a mobile phone today—for some users, it's as necessary as the device itself. Today, any mobile phone you buy will have SMS messaging capabilities, and nearly all users of any age know how to send and receive such ...
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