What is iOS AppDelegate?

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Tags

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