iOS Interview questions


Total available count: 30
Subject - Mobile Technologies
Subsubject - iOS

How many types of execution states are available in iOS and name them?

There are five execution states available, they are,

  1. Non-running: The app is not running
  2. Inactive: The app is running in the foreground, but not receiving events. An iOS app can be placed into an inactive state, for example, when a call or SMS message is received
  3. Active: The app is running in the foreground, and receiving events
  4. Background: The app is running in the background, and executing code
  5. Suspended: The app is in the background, but no code is being executed



Next 5 interview question(s)

1
Differentiate Inactive and Active execution states?
2
Differentiate Background and Suspended execution states?
3
What do you know about NSURLConnection?
4
Name the different type of NSURLConnection Protocols?
5
In how many ways we can use NSURLConnection class and name them?

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