What is block in ios objective c?
What is mapping model?
Which framework delivers event to custom object when app is in foreground?
Enlist frameworks for cocoa?
Which are the app’s state transitions when it is launched?
What is the use of controller object UIApplication?
How are non-atomic and atomic properties different?
How do you check if your code has memory leaks?
Please explain what is difference strong and weak reference?
what are the two different smart groups in Xcode?
Which compiler is used by ios? : IOS Architect
What are blocks in ios?
Is react native easy?