Explain ios switching applications?
What is the responder chain?
Explain concept of notification center, local and remote notifications.
Differentiate 'app id' from 'bundle id'.
What is spritekit and what is scenekit?
what is the difference between bounds and frame?
How do you fix app errors on iphone?
. Apart from incorporating views and controls, what else an app can incorporate?
What is a singleton?
Will the new design mean I have to completely relearn how to use my phone?
When dealing with property declarations, what is the difference between atomic and non-atomic?
Are document objects required for an application? What does they offer?
What is difference between 'assign' and 'retain' keyword?