What are broadcast receivers? How is it implemented?

Answer

• Broadcast Receiver is a mechanism using which host application can listen for System level events.
• Broadcast receiver is used by the application whenever they need to perform the execution based on system events. Like listening for Incoming call, sms etc.
• Broadcast receivers helps in responding to broadcast messages from other application or from the system.
• It is used to handle communication between Android operating system and applications.