Explain the application lifecycle in ios?
What is protocol in ios swift?
What is main thread checker?
What is meaning of 'readonly' keyword?
How to download images in ios?
What is meaning of 'nonatomic' keyword?
Define 'atomic' keyword?
When would you say that an app is not in a running state?
In which language is ios written?
Explain collections in iOS
What is nspersistentstore?
What is messaging? How does the runtime handle message passing? What is message forwarding?
Is there any garbage collector concept available in iOS?