How is it possible to improve battery life during execution of an application?
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Does iOs supports multitasking?
Is uikit thread safe?
What is @synthesize in objective-c ?
Explain @property ,@synthesize
What does 2x resolution mean?
Differentiate between release and pool drain?
Is appdelegate a singleton?
What is the difference between weak and strong?
What is block in ios?
Which are the app’s state transitions when it is launched?
Enlist frameworks for cocoa touch?
Who calls the dealloc strategy?