Do I need to commit .gitignore?

Yes — .gitignore should be committed to the repository so all collaborators benefit from the same ignore rules.

How do I add custom patterns?

Open your .gitignore file and add the pattern on a new line. Use # for comments, * for wildcards, / to match directories, and ! to un-ignore a previously ignored path.

How do I ignore a file that is already tracked?

Adding a file to .gitignore does not remove it from tracking if it was previously committed. Run: git rm --cached to stop tracking it without deleting the file locally.

.gitignore for Android + Kotlin

.gitignore for Android apps written in Kotlin, covering Android Studio and Gradle artifacts.

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Android StudioKotlin

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18 patterns · 438 B

# Generated by DevZone Tools — https://devzone.tools/tools/gitignore-generator
# Templates: Android Studio, Kotlin
# 2026-04-20

# ---- Android Studio ----
# Android Studio
*.iml
.gradle/
/local.properties
/.idea/
.DS_Store
/build/
/captures/
.externalNativeBuild/
.cxx/
*.keystore
!debug.keystore

# ---- Kotlin ----
# Kotlin
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
*.class
*.log
.idea/

Why use Android + Kotlin together?

Android Kotlin projects need to ignore Android Studio metadata (.idea/, *.iml), Gradle build caches, compiled APK/AAB output in build/, and critically the local.properties file which contains the machine-specific Android SDK path.

Release keystores (*.keystore, *.jks) should never be committed — use CI secrets or a secure vault instead. The debug.keystore is safe to commit since it has no production value.

Related combinations

androidstudio-kotlin-gradle androidstudio-kotlin

Frequently asked questions

Do I need to commit .gitignore?: Yes — .gitignore should be committed to the repository so all collaborators benefit from the same ignore rules.
How do I add custom patterns?: Open your .gitignore file and add the pattern on a new line. Use # for comments, * for wildcards, / to match directories, and ! to un-ignore a previously ignored path.
How do I ignore a file that is already tracked?: Adding a file to .gitignore does not remove it from tracking if it was previously committed. Run: git rm --cached <file> to stop tracking it without deleting the file locally.
Why combine Android Studio and Kotlin?: Android Kotlin projects need to ignore Android Studio metadata (.idea/, *.iml), Gradle build caches, compiled APK/AAB output in build/, and critically the local.properties file which contains the machine-specific Android SDK path.

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