Broadcast receivers in android

Broadcast Receiver

 Class Overview

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Base class for code that will receive intents sent by sendBroadcast(). 

If you don't need to send broadcasts across applications, consider using this class with LocalBroadcastManager instead of the more general facilities described below. This will give you a much more efficient implementation (no cross-process communication needed) and allow you to avoid thinking about any security issues related to other applications being able to receive or send your broadcasts.