Explain formal protocols?

802

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What do you know about the ios kernel?

861

---

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

795

---

Explain ios multitasking?

837

---

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

785

---

What is suspended state in ios?

838

---

Explain layer objects?

855

---

Explain difference between sax parser and dom parser?

736

---

Can you please explain the difference between nsarray and nsmutablearray?

781

---

Explain ios 7 airdrop?

804

---

Do you know which json framework is supported by ios?

828

---

What is a protocol in objective-c programming language?

830

---

Explain app bundle?

891

---

Explain me does ios support multitasking?

840

---

Explain what is a class?

824

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