AndroidStudio .gitinore编写

# Built application files

*.apk

*.ap_

# files for the dex VM

*.dex

# Java class files

*.class

*/R.java

# generated files

bin/

gen/

# Local configuration file (sdk path, etc)

local.properties

lint.xml

*~

build.xml

# Eclipse project files

.settings/

.classpath

.metadata/

*.log

# mac

.DS_Store

._*

#lazarus

i386-linux/

# compressed files

*.tar.gz

# Generated files

bin/

gen/

# Gradle files

.gradle/

build/

# Proguard folder generated by Eclipse

proguard/

# idea

.idea/

#*.gitignore

如果只是修改java文件但是git提交的时候会有另外一些的文件也有提示修改，例如

.idea/

../.gradle/

../.idea/libraries/

../build/

../proguard-rules.pro

那就说明过滤文件还没生效，需要执行以下方法才能生效：

git rm -r --cached .

git add .

git commit -m "fixed untracked files"