On the Usage of Programming Languages in the iOS Ecosystem

This paper studies how developers use different programming languages in the iOS ecosystem by examining 161,883 releases of 25,231 third-party libraries spanning 11 years available through CocoaPods, a popular iOS dependency manager. Our empirical study shows that since its release, Swift has been w...

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Bibliographic Details
Main Authors: Dominguez-Alvarez, Daniel, Gorla, Alessandra, Caballero, Juan
Format: Conference Proceeding
Language:English
Subjects:
CocoaPods
Codes
Computer languages
Ecosystems
iOS
Libraries
mobile apps
Objective-C
Source coding
Swift
third-party libraries
Online Access:Request full text
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Summary:This paper studies how developers use different programming languages in the iOS ecosystem by examining 161,883 releases of 25,231 third-party libraries spanning 11 years available through CocoaPods, a popular iOS dependency manager. Our empirical study shows that since its release, Swift has been widely adopted, but most libraries, even recent ones, still use Objective-C as their primary programming language. Looking at a small set of 38 open-source iOS apps, instead, we observe that apps are instead predominantly written in Swift by now. We also observe significant C usage across both libraries and apps. Our results suggest that analysis tools for iOS apps should not only support Swift, but also Objective-C and C code.
ISSN:2470-6892
DOI:10.1109/SCAM55253.2022.00026