Explain ios 7 airdrop?

810

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Do you know which json framework is supported by ios?

831

---

What is a protocol in objective-c programming language?

834

---

Explain app bundle?

894

---

Explain me does ios support multitasking?

844

---

Explain what is a class?

826

---

Explain ios switching applications?

856

---

If any app can run in the background, what about battery life?

825

---

What do you know about home screen of ios?

830

---

Does ios supports multi-tasking functionality?

919

---

What is the mean of not running state in ios?

829

---

What are selectors in objective-c?

836

---

Explain what is storyboard?

780

---

Explain the significance of autorelease?

856

---

Explain mutable and immutable types in objective c programming language?

845

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