Explain formal protocols?

753

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What do you know about the ios kernel?

801

---

How is it possible to improve battery life during execution of an application?

742

---

Explain ios multitasking?

756

---

Can we adjust the size of photos uploaded from the app?

740

---

What is suspended state in ios?

795

---

Explain layer objects?

791

---

Explain difference between sax parser and dom parser?

689

---

Can you please explain the difference between nsarray and nsmutablearray?

730

---

Explain ios 7 airdrop?

756

---

Do you know which json framework is supported by ios?

769

---

What is a protocol in objective-c programming language?

767

---

Explain app bundle?

835

---

Explain me does ios support multitasking?

791

---

Explain what is a class?

765

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