What is app delegate in iOS?

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Tags

1. #something
2. #phone
3. #rings
4. #behalf
5. #special
6. #class
7. #applicationwillresignactive
8. #states
9. #appdelegate
10. #bunch
11. #functions
12. #handle
13. #called
14. #place
15. #instance
16. #function
17. #another
18. #uiapplication
19. #delegate