iOS Interview Questions ๐
In this article, I will try to add as many Q&Aโs related to iOS . I will keep on updating this article. Hope it helps you guys ๐๐.
3 min readMar 5, 2020
Q. Which function can you use on XCTest to clean up after every unit test?
A. tearDown:
function
Q. Which framework has a C-based API to play short, simple sound effects in iOS?
A. Sound System Services within the AudioToolbox framework
Q. Which technique can be used to fire a completion handler when several asynchronous tasks finish at different times finish using GCD?
A. Dispatch Groups
Q. Which Instrument would be most suited to debug whether a view is drawn from cache or redrawn?
A. Core Animation