What are the prerequisites to use GTalk service?

Q.6) What are the prerequisites to use GTalk service? Describe various interfaces for Android instant messaging functionality? [10]

Ans. Messaging functionality is the important functionality of internet communication. Android messenger is a java application that works with the help of centralized server. The application is installed on the android device.
The main components of the Android Messengers areas given below.

- Android Client
- Tuple Server
- Tuple Space
- Message
Message class contains following fields
- Receiver
- Sender
- operation
- message
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