Explain @synchronized ,@dynamic

1714

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

1414

---

Explain Apple push notification

1465

---

In mapKit frame work, how to get current user location

1393

---

Explain which all events will perform an ios application in background

1492

---

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

2251

---

What is the methods for unzip file in AFNetworking

1790

---

How to convert MVC design pattern to MVVM design patterns

1488

---

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

922

---

What is App Bundle in iOS operating system?

952

---

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

815

---

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

881

---

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

847

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

959

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

847

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