Explain about design patterns in iOS1 785
Explain about MVC Design patters1 693
what is singleton class? Why the whole application creates a single instance?1 659
Explain @property ,@synthesize1 644
what is the difference between nonatomic & atomic1 867
What is bundle1 740
Explain collections in iOS1 671
Explain UIView life cycles1 1057
Screen resolution of iPhone & iPad1 735
Explain about NSURL Connection Delegates1 892
The last callback in the lifecycle of an activity is onDestroy(). The system calls this method on your activity as the final signal that your activity instance is being completely removed from the system memory. Usually, the system will call onPause() and onStop() before calling onDestroy(). Describe a scenario, though, where onPause() and onStop() would not be invoked.
If the Activity is showing an animation that indicates some kind of progress, what issue might you encounter and how could you address it?
Explain which all events will perform an ios application in background
Why is Ubuntu the most popular operating system for cloud?
What’s Canonical’s role in OpenStack?
What is a ContentProvider and what is it typically used for?
How you can use built-in Messaging within your application?
When dealing with property declarations, what is the difference between atomic and non-atomic?
what is preferences
What happens when you invoke a method on a nil pointer?
In mapKit frame work, how to get current user location
How do I train as an Ubuntu system administrator?
What is the correct way to check if a Compass sensor is present on the system? Explain your answer.
How to fix tableviewcell dequeue issue ?
Difference b/w collectionView & uitableview?