15. Using Android Telephony APIs
Although the Android platform has been designed to run on almost any type of device, many of the Android devices currently available on the market are smartphones. Applications can take advantage of this fact by integrating phone or telephony features into their feature set. This chapter introduces you to the telephony-related APIs available in the Android SDK.
Working with Telephony Utilities
The Android SDK provides a number of useful utilities for applications to integrate phone features available on the device. Although devices run applications, phone operations generally take precedence on smartphones. Your application should not interrupt a phone conversation, for example. To avoid this kind of behavior, ...
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