What are design patterns in ios?
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What are different ways that you can specify the layout of elements in a uiview?
What is difference strong and weak reference ? Explain.
What is the difference strong and weak reference?
Explain ~/documents, ~/library, ~/tmp. What directory is ~ on ios?
applications that can be used with iphone
What is background state in ios?
How do you stop apps running in the background on ios?
Describe @objc inference?
When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?
What is uiviewcontroller in ios?
Where can you test Apple iPhone apps if you don’t have the device?
Do you know what are layer objects and what do they represent?