1.gradle 2/local.properties 3/gradle.properties 4/.idea/workspace.xml 5/.idea/libraries 6.DS_Store 7/build 8.idea/ 9 10*.iml 11*.apk 12*.ap_ 13*.dex 14*.class 15bin/ 16gen/ 17.gradle/ 18/*/build/ 19local.properties 20proguard/ 21*.log 22