Explain @synchronized ,@dynamic

1603

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what is the difference between nonatomic & atomic ? which is thread safe and why

1311

---

Explain Apple push notification

1365

---

In mapKit frame work, how to get current user location

1300

---

Explain which all events will perform an ios application in background

1401

---

Explain about AFNetworking. What is the base class used in AFNetworking library

2138

---

What is the methods for unzip file in AFNetworking

1719

---

How to convert MVC design pattern to MVVM design patterns

1385

---

Who calls the main function of you app during the app launch cycle in iOS operating system?

822

---

What is App Bundle in iOS operating system?

836

---

What are all the difference between categories and subclasses in iOS operating system?

719

---

What is an NSOperationQueue and how/would you use it in iOS operating system?

775

---

What is plist file and explain about it is usage in iOS operating system?

749

---

Multitasking support is available from which version in iOS operating system?

864

---

Which app specific objects store the app's content in iOS operating system?

753

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