1. Write a hierarchy of UIButton and UITableView
What keyword does the 2.Cocoa foundation object convert to the core foundation object? What's the difference between these keyword?
What is 3.KVO? How is the interior implemented?
4. Can the time-consuming operation be handled in Nsnotificationcenter? What should be done?
5. When using Nsoperation and nsoperationqueue to handle multi-threading. There are 3 nsoperation for a,b,c, which requires A/b to run, before running C. How to do?
6. In non-arc, which objects can be added to the Autoreleasekeyword. What is the role of it? When is the object modified by Autorelease released?
7 Specify the app startup process. Start with the main file. What functions are there in main, and what are some of the parameters?
What does 8CAAnimation do? Write about its hierarchy (mainly by writing down its seed classes)?
before 9.ios7. There are several forms of running content in the background, what is it?
10. An ordered sequence m, inferring whether there are two elements, a and k? How to infer a of three elements. What about the B,c and the k?
iOS Advanced questions
