Android studio工程哪些文件不应该 check in到版本控制中

# built application files

*.apk
*.ap_
# files for the dex VM
*.dex
# Java class files
*.class
# generated files
bin/
gen/
# Local configuration file (sdk path, etc)
local.properties
# Eclipse project files
.classpath
.project
# Proguard folder generated by Eclipse
proguard/
# Intellij project files
*.iws
.idea/workspace.xml

.idea/tasks.xml

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Levin总结：

.iml不能删，否则不能编译

.gradle 不能删，否则工程打不开

.idea 不能删，否则工程打不开