Operations Offered by the androidtelephony Package

The android.telephony package contains a set of classes that can be used by any application in the Android environment to monitor the state of Android's mobile network connection. It also contains classes for locating a device using the mobile network. Finally, it offers utility classes for parsing, formatting, and otherwise managing phone numbers, although there is no architectural benefit to locating those classes in this package.

The telephony package does not allow you to place, end, or otherwise meddle in phone calls; it focuses on retrieving information and giving users an interface to edit telephone numbers. We'll explain later why Android reserves the actual control over phone calls to PhoneApp.

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