Explain formal protocols?

797

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What do you know about the ios kernel?

856

---

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

792

---

Explain ios multitasking?

824

---

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

783

---

What is suspended state in ios?

836

---

Explain layer objects?

851

---

Explain difference between sax parser and dom parser?

731

---

Can you please explain the difference between nsarray and nsmutablearray?

777

---

Explain ios 7 airdrop?

801

---

Do you know which json framework is supported by ios?

819

---

What is a protocol in objective-c programming language?

825

---

Explain app bundle?

890

---

Explain me does ios support multitasking?

837

---

Explain what is a class?

818

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