N a n o d e g r e e p r o g r a m s y L l a b u s



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Syllabus-iosDeveloperNanodegree

LESSON EIGHT

GCD and Queues

• 

 Define and utilize queues for grouping related processes



• 

 Run code asynchronously using Grand Central Dispatch

• 

 Avoid common pitfalls by ensuring the use of the main 



    thread for situations involving UIKit and CoreData

LESSON NINE

Backgrounding 

Lengthy

Tasks

• 

Download large files from the network synchronously.



• 

Download large files from the network asynchronously.

• 

Use completion handlers to update the user interface after 



   a network request.

LESSON TEN

Suggested Electives

• 

 iOS Debugging.




iOS Developer  |  11

Need Help? Speak with an Advisor: 

www.udacity.com/advisor

Course 5: Data Persistence

Learn about simple persistence, the iOS File System, and the “sandbox.” Set up the classes we need to get Core 

Data up and running so that we can create, save, and delete model objects. Enable user interfaces to reactively 

update whenever the model changes, and safely migrate user data between versions.

LEARNING OUTCOMES

LESSON ONE


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