template of gitignore file for Android Studio project

.gitignore

# Built application files
*.apk
*.ap_

# Files for the ART/Dalvik VM
*.dex

# Java class files
*.class

# Generated files
bin/
gen/
out/

# Gradle files
.gradle/
build/

# Local configuration file (sdk path, etc)
local.properties

# Proguard folder generated by Eclipse
proguard/

# Log Files
*.log

# Android Studio Navigation editor temp files
.navigation/

# Android Studio captures folder
captures/

# IntelliJ
*.iml
/.idea
.idea/workspace.xml
.idea/tasks.xml
.idea/gradle.xml
.idea/dictionaries
.idea/libraries

# User-specific stuff:
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/dictionaries

# Gradle:
.idea/**/gradle.xml
.idea/**/libraries

# Keystore files
# Uncomment the following line if you do not want to check your keystore files in.
#*.jks

# External native build folder generated in Android Studio 2.2 and later
.externalNativeBuild

# Google Services (e.g. APIs or Firebase)
google-services.json

# Freeline
freeline.py
freeline/
freeline_project_description.json

# OS-specific files
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db