https://github.com/github/gitignore是很棒的收藏

Android.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/workspace.xml
.idea/tasks.xml
.idea/gradle.xml
.idea/assetWizardSettings.xml
.idea/dictionaries
.idea/libraries
.idea/caches

# 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

# fastlane
fastlane/report.xml
fastlane/Preview.html
fastlane/screenshots
fastlane/test_output
fastlane/readme.md

这是使用http://gitignore.io/的引用创建的，在这里您可以为任何项目创建最新更新的gitignore文件。Android http://gitignore.io/api/androidstudio。希望这能有所帮助。目前我使用的是Android Studio 3.6.3

# Created by https://www.gitignore.io/api/androidstudio
# Edit at https://www.gitignore.io/?templates=androidstudio

### AndroidStudio ###
# Covers files to be ignored for android development using Android Studio.

# Built application files
*.apk
*.ap_

# Files for the ART/Dalvik VM
*.dex

# Java class files
*.class

# Generated files
bin/
gen/
out/

# Gradle files
.gradle
.gradle/
build/

# Signing files
.signing/

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

# Proguard folder generated by Eclipse
proguard/

# Log Files
*.log

# Android Studio
/*/build/
/*/local.properties
/*/out
/*/*/build
/*/*/production
captures/
.navigation/
*.ipr
*~
*.swp

# Android Patch
gen-external-apklibs

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

# NDK
obj/

# IntelliJ IDEA
*.iml
*.iws
/out/

# User-specific configurations
.idea/caches/
.idea/libraries/
.idea/shelf/
.idea/workspace.xml
.idea/tasks.xml
.idea/.name
.idea/compiler.xml
.idea/copyright/profiles_settings.xml
.idea/encodings.xml
.idea/misc.xml
.idea/modules.xml
.idea/scopes/scope_settings.xml
.idea/dictionaries
.idea/vcs.xml
.idea/jsLibraryMappings.xml
.idea/datasources.xml
.idea/dataSources.ids
.idea/sqlDataSources.xml
.idea/dynamic.xml
.idea/uiDesigner.xml
.idea/assetWizardSettings.xml

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

# Legacy Eclipse project files
.classpath
.project
.cproject
.settings/

# Mobile Tools for Java (J2ME)
.mtj.tmp/

# Package Files #
*.war
*.ear

# virtual machine crash logs (Reference: http://www.java.com/en/download/help/error_hotspot.xml)
hs_err_pid*

## Plugin-specific files:

# mpeltonen/sbt-idea plugin
.idea_modules/

# JIRA plugin
atlassian-ide-plugin.xml

# Mongo Explorer plugin
.idea/mongoSettings.xml

# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties

### AndroidStudio Patch ###

!/gradle/wrapper/gradle-wrapper.jar

# End of https://www.gitignore.io/api/androidstudio

在Android Studio中，唯一需要保存在版本控制中的文件是使用gradle从命令行构建应用程序所需的文件。所以你可以忽略:

* .iml .idea 构建

但是，如果您保存任何IDE设置，例如自定义代码样式设置，它们将保存在.idea文件夹中。如果您希望在版本控制中进行这些更改，那么您也可以保存IDEA文件(*。Iml和idea)。

这是通过这里生成。gitignore的最好方法

我用这个。gitignore。我在http://th4t.net/android-studio-gitignore.html找到了它

*.iml
*.iws
*.ipr
.idea/
.gradle/
local.properties

*/build/

*~
*.swp

我知道这是一个老话题，当然有很多选择，但我真的更喜欢西蒙惠特克的gibo。它使用起来超级简单，跨平台(mac， *nix和windows)，并使用github gitignore repo，所以它(基本上)总是最新的。

确保你的本地缓存是最新的:

    $ gibo --upgrade
    From https://github.com/github/gitignore
     * branch            master     -> FETCH_HEAD
    Current branch master is up to date.

搜索你需要的语言/技术:

    $ gibo --search android
    Android

显示.gitignore文件:

    $ gibo Android
    ### Android

    # Built application files
    *.apk
    *.ap_

    # Files for the Dalvik VM
    *.dex

    # Java class files
    *.class

    # Generated files
    bin/
    gen/

    # Gradle files
    .gradle/
    build/

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

    # Proguard folder generated by Eclipse
    proguard/

    # Log Files
    *.log

现在，将它附加到项目的.gitignore文件中:

    $ gibo Android >> .gitignore

(确保你使用>>附加到你的项目的。gitignore文件;一个>将覆盖它-因为我已经做了很多次意外!)

我知道这不是回答OP的确切问题，但使用gibo使它使你几乎不必再考虑“问题”!. .很高兴!；）