1#Android specific
 2bin
 3gen
 4obj
 5lint.xml
 6local.properties
 7release.properties
 8ant.properties
 9*.class
10*.apk
11
12#Gradle
13.gradle
14build
15gradle.properties
16
17#Maven
18target
19pom.xml.*
20
21#Eclipse
22.project
23.classpath
24.settings
25.metadata
26
27#IntelliJ IDEA
28.idea
29*.iml