Answer / Km Gargi

In iOS, a notification is a way for objects to communicate asynchronously without having a direct reference to each other. It is used to send messages between objects in response to specific events.

What language is ios written?

1 Answers  

---

If any app can run in the background, what about battery life?

1 Answers  

---

What is categories in iOS?

1 Answers   UGC Corporation,

---

What is the meaning of 'synthesize' keyword?

1 Answers  

---

What is nsuserdefaults?

1 Answers  

---

What is meaning of 'atomic' keyword?

1 Answers  

---

What size is 1x and 2x?

1 Answers  

---

Assume that an app is not in foreground but is still executing code. In which state will it be in?

1 Answers  

---

What is the short cut to open the “Code Snippet Library” in Xcode?

1 Answers  

---

What is cocoa touch in ios?

1 Answers  

---

What happens when IApplication does not handle an event?

1 Answers  

---

What is strong weak in ios?

1 Answers  

---