What is application delegate in iOS?

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Tags

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