On the adoption, usage and evolution of Kotlin features in Android development

Mateus, Bruno Gois; Martínez, Matías

doi:10.1145/3382494.3410676

Cited by 14 publications

(6 citation statements)

References 23 publications

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“…Besides, there are several empirical studies conducted on its adoption by the developers. Mateus.B.G et al [10] explored the source code of 387 Android applications, describes the evolution of usage of Kotlin language features on these applications. Martinez.M et al [11] and Coppola.R et al [12] did research on the evolution of Java to Kotlin and believed that Kotlin can ensure the seamless migration of Android developers from Java to Kotlin.…”

Section: A Kotlinmentioning

confidence: 99%

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Mapping Modern JVM Language Code to Analysis-friendly Graphs: A Pilot Study with Kotlin

Li¹,

Liu²

2022

Proceedings of the 34th International Conference on Software Engineering and Knowledge Engineering

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Kotlin is a modern JVM language, gaining adoption rapidly and becoming Android official programming language. With its widely usage, the need for code analysis of Kotlin is increasing. Exposing code semantics explicitly with a properly structured format is the first step in code analysis and the construction of such representation is the foundation for downstream tasks. Recently, graph-based approaches become a promising way for encoding source code semantics. However, current works mainly focus on representation learning with limited interpretability and shallow domain knowledge. The known evolvements of code semantics in new-generation programming languages have been overlooked. How to establish an effective mapping between naturally concise Kotlin source code with graph-based representation needs to be studied by analyzing known language features. In this paper, we propose a first-sight, rule-based mapping method, using composite representation with AST, CFG, DFG, and language features. We evaluate mapping strategies with ablation experiments by simulating a code search solution as a downstream task. Our graph-based method with built-in language features outperforms the text-based way without introducing greater complexity. By addressing the practical barriers to extracting and exposing the hidden semantics from Kotlin source code, our study also helps enlighten source code representations for other modern languages.

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Section: A Kotlinmentioning

confidence: 99%

“…We collected 30 Kotlin language features as Table I summarized. These features are further summarized on the basis of Mateus B G's work [10]. They extracted 24 Kotlin features from a document that compares Kotlin and Java[13], Kotlin's releases notes, and Kotlin Reference [14].…”

Section: B Kotlin's Language Featuresmentioning

confidence: 99%

Mapping Modern JVM Language Code to Analysis-friendly Graphs: A Pilot Study with Kotlin

Li¹,

Liu²

2022

Proceedings of the 34th International Conference on Software Engineering and Knowledge Engineering

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“…Write a new file in an existing Java project or write a new file Use Kotlin applications from scratch. In addition, the official IDE is used for android development [17].…”

Section: Development Toolsmentioning

confidence: 99%

Mobile Application Aimed at Older Adults to Increase Cognitive Capacity

Leon-Ayala¹,

́omez-Cortez²,

Andrade–Arenas³

2021

IJACSA

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The research work focuses on people with dementia of the Alzheimer's type, since, among the types of dementia, this is the most common worldwide. In Peru, more than 200 thousand adults over 60 years of age suffer from this disease and many others who still do not know it or are in its initial stage. Therefore, it was decided to create a prototype of a mobile application with memory games, riddles, reminders and different types of physical activities to perform during the day. The scrum methodology was implemented to promote good practices for team and collaborative work, in terms of us phases from inception to launch of the product which is the mobile application. In addition, balsamiq was used as a prototype design tool. And so the objective of creating the prototype for its development was achieved. The goal of creating the prototype for the application was achieved. Positive results were obtained in terms of user and customer satisfaction. This will allow the benefit of adults for the improvement of cognitive ability, being able to perform their daily activities in the best way and socializing with family and friends.

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“…They found that, on average, Kotlin programs have fewer code smells than Java programs. Gois Mateus and Martinez [53] have studied the adoption of the features introduced by Kotlin. They found that some Kotlin features are more used than others.…”

Section: Related Workmentioning

confidence: 99%

An experience-based recommendation system to support migrations of Android applications from Java to Kotlin

Mateus,

Martinez,

Kolski

2021

Preprint

Self Cite

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In 2017, Google announced Kotlin as an official Android programming language, and more recently, as the preferred programming language to build applications. These facts motivated developers to migrate their applications, which is challenging because each migrated piece of code must be tested after the migration to ensure it preserves the expected behavior. Due to the interoperability between Java and Kotlin, most developers decided to migrate their applications gradually. Thus, developers have to decide which file(s) to migrate first on each migration step. However, there are no tools available to help developers make these choices. This paper presents an approach to support a gradual migration of Android applications that given a version of an application written in Java and eventually, in Kotlin, it suggests the most convenient files to migrate. To this end, we built a large-scale corpus of open-source projects that migrated Java files to Kotlin. Then, we trained a learning to rank model using the information extracted from these projects. To validate our model, we verify whether these recommendations made by them correspond to real migrations. The results showed our approach modestly outperforms random approaches. Since most Android applications are written in Java, we conclude that our approach may significantly impact Android applications' development. Therefore, we consider this result is the first step into long-term research towards a model capable of predicting precisely file-level migration, establishing the initial baseline on file migrations.

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On the adoption, usage and evolution of Kotlin features in Android development

Cited by 14 publications

References 23 publications

Mapping Modern JVM Language Code to Analysis-friendly Graphs: A Pilot Study with Kotlin

Mapping Modern JVM Language Code to Analysis-friendly Graphs: A Pilot Study with Kotlin

Mobile Application Aimed at Older Adults to Increase Cognitive Capacity

An experience-based recommendation system to support migrations of Android applications from Java to Kotlin

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