Enlist the methods to achieve concurrency in ios?

828

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Explain me app bundle?

884

---

What is view object in ios?

895

---

Explain keywords alloc and new?

861

---

Explain formal protocols?

842

---

What do you know about the ios kernel?

902

---

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

836

---

Explain ios multitasking?

870

---

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

825

---

What is suspended state in ios?

875

---

Explain layer objects?

886

---

Explain difference between sax parser and dom parser?

769

---

Can you please explain the difference between nsarray and nsmutablearray?

822

---

Explain ios 7 airdrop?

838

---

Do you know which json framework is supported by ios?

870

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