January 2012
Beginner
655 pages
16h 35m
English
Content preview from Beginning iOS 5 Application Development
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SUMMARY
This chapter explained how to publish a service on the network using the NSNetService class and how to discover services on the local network using the NSNetServiceBrowser class. Once peers are discovered on the network, you can connect to them and initiate peer-to-peer communication. A chat application is a good example of a Bonjour application.
EXERCISES
- What class can you use to publish a service on the network?
- What class can you use to discover services on the network?
- Name the method that is called when a service is discovered.
- Name the method that is called when a service is removed.
Answers to the exercises can be found in Appendix D.
WHAT YOU LEARNED IN THIS CHAPTER
| TOPIC | KEY CONCEPTS |
| Publishing a service | Use the NSNetService class. |
| Discovering services | Use the NSNetServiceBrowser class. |
| Resolving the IP address of a service | Use the resolveWithTimeout: method of an NSNetService object. |
| Getting the IP addresses of a service | Use the addresses method of an NSNetService object. |
| Method that is called when a service is discovered | netServiceBrowser:didFindService:moreComing: |
| Method that is called when a service is removed | netServiceBrowser:didRemoveService:moreComing: |