Explain formal protocols?

845

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What do you know about the ios kernel?

906

---

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

838

---

Explain ios multitasking?

875

---

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

830

---

What is suspended state in ios?

881

---

Explain layer objects?

891

---

Explain difference between sax parser and dom parser?

777

---

Can you please explain the difference between nsarray and nsmutablearray?

825

---

Explain ios 7 airdrop?

842

---

Do you know which json framework is supported by ios?

878

---

What is a protocol in objective-c programming language?

877

---

Explain app bundle?

937

---

Explain me does ios support multitasking?

893

---

Explain what is a class?

863

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