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Beginning Android™ 4 Application Development by Wei-Meng Lee

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Chapter 8

Messaging

WHAT YOU WILL LEARN IN THIS CHAPTER

  • How to send SMS messages programmatically from within your application
  • How to send SMS messages using the built-in Messaging application
  • How to receive incoming SMS messages
  • How to send e-mail messages from your application

Once your basic Android application is up and running, the next interesting thing you can add to it is the capability to communicate with the outside world. You may 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 may wish to access a web service that provides certain services (such as currency exchange, weather, etc.).

In this chapter, you learn how to send and receive SMS messages programmatically from within your Android application. You will also learn how to invoke the Mail application from within your Android application to send e-mail messages to other users.

SMS MESSAGING

SMS messaging is one of the main killer applications on a mobile phone today — for some users as necessary as the phone itself. Any mobile phone you buy today should have at least SMS messaging capabilities, and nearly all users of any age know how to send and receive such messages. Android comes with a built-in SMS application that enables you to send and receive SMS messages. However, in some cases you might want to integrate SMS capabilities into your own Android application. For example, you might want to write an application ...

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