Evolution of Kotlin Apps in terms of Energy Consumption: An Exploratory Study

Context. Java and Kotlin are the two main programming languages used to create Android applications. Kotlin almost completely replicates the capabilities offered by Java and offers extra features, making it a popular choice among developers. From a sustainability perspective, it is crucial to assess...

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Veröffentlicht in:2023 International Conference on ICT for Sustainability (ICT4S) S. 46 - 56
Hauptverfasser: Ahmed, Hesham, Boshchenko, Alina, Khan, Niaz Ali, Knyajev, Dmitriy, Garifollina, Dinara, Scoccia, Gian Luca, Martinez, Matias, Malavolta, Ivano
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 05.06.2023
Schlagworte:
energy
Energy consumption
Feature extraction
Fluctuations
Java
Kotlin
Libraries
Migration
software evolution
Software Migration
Source coding
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Abstract Context. Java and Kotlin are the two main programming languages used to create Android applications. Kotlin almost completely replicates the capabilities offered by Java and offers extra features, making it a popular choice among developers. From a sustainability perspective, it is crucial to assess the energy usage of Kotlin-based Android applications. Goal. The goal of this study is to explore how the energy consumption of Kotlin applications evolves over time. The study also aims at identifying the key factors that influence energy consumption, to inform developers on how the changes they make affect the energy consumed by their applications. Method. To investigate how Kotlin apps' energy consumption changes through releases, we study three open-source apps Kotlin apps that are also present in the Google Play store. We conduct a measurement-based experiment during which we assess the energy consumed by several releases of each studied application, for a total of 171 executions. Afterwards, we statistically analyse the collected data to identify relevant energy fluctuations (i.e.,, spikes, drops). Finally, we manually inspect the source code changes in the apps to identify possible causes of the identified energy fluctuations. Results. All three studied applications exhibit a growing trend for energy consumption over the course of their releases. Moreover, abnormal energy spikes are found for all applications. There are different causes behind these variations, including OS upgrades, new features, poorly chosen design patterns and libraries, UI issues, and unstable app versions. Conclusions. Our study provides evidence that a number of not fully understood factors can affect the energy consumption of a mobile application. Further work is needed to study their impact.
AbstractList Context. Java and Kotlin are the two main programming languages used to create Android applications. Kotlin almost completely replicates the capabilities offered by Java and offers extra features, making it a popular choice among developers. From a sustainability perspective, it is crucial to assess the energy usage of Kotlin-based Android applications. Goal. The goal of this study is to explore how the energy consumption of Kotlin applications evolves over time. The study also aims at identifying the key factors that influence energy consumption, to inform developers on how the changes they make affect the energy consumed by their applications. Method. To investigate how Kotlin apps' energy consumption changes through releases, we study three open-source apps Kotlin apps that are also present in the Google Play store. We conduct a measurement-based experiment during which we assess the energy consumed by several releases of each studied application, for a total of 171 executions. Afterwards, we statistically analyse the collected data to identify relevant energy fluctuations (i.e.,, spikes, drops). Finally, we manually inspect the source code changes in the apps to identify possible causes of the identified energy fluctuations. Results. All three studied applications exhibit a growing trend for energy consumption over the course of their releases. Moreover, abnormal energy spikes are found for all applications. There are different causes behind these variations, including OS upgrades, new features, poorly chosen design patterns and libraries, UI issues, and unstable app versions. Conclusions. Our study provides evidence that a number of not fully understood factors can affect the energy consumption of a mobile application. Further work is needed to study their impact.
Author Garifollina, Dinara
Martinez, Matias
Malavolta, Ivano
Ahmed, Hesham
Knyajev, Dmitriy
Scoccia, Gian Luca
Boshchenko, Alina
Khan, Niaz Ali
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  givenname: Hesham
  surname: Ahmed
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  givenname: Alina
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  givenname: Niaz Ali
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  givenname: Matias
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  fullname: Martinez, Matias
  email: matias.martinez@upc.edu
  organization: Universitat Politècnica de Catalunya,Barcelona,Spain
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  givenname: Ivano
  surname: Malavolta
  fullname: Malavolta, Ivano
  email: i.malavolta@vu.nl
  organization: Vrije University,Amsterdam,Netherlands
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Snippet Context. Java and Kotlin are the two main programming languages used to create Android applications. Kotlin almost completely replicates the capabilities...
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StartPage 46
SubjectTerms energy
Energy consumption
Feature extraction
Fluctuations
Java
Kotlin
Libraries
Migration
software evolution
Software Migration
Source coding
Title Evolution of Kotlin Apps in terms of Energy Consumption: An Exploratory Study
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