List Of Supported Languages for Gradle (Android)

lang.gradle

task buildTranslationArray << {
    def foundLocales = new StringBuilder()
    foundLocales.append("new String[]{")

    fileTree(dir: 'src', includes: [ '**/*.xml'], exclude: '**/*test*/**').visit { FileVisitDetails details ->
        def path = details.file.path;
        if (path.endsWith("strings.xml")) {
            def languageCode = path.substring(path.indexOf("values"), path.length()).replaceAll('values-','').replace("\\strings.xml", "")
            //  def languageCode = details.file.parent.tokenize('/').last().replaceAll('values-','').replaceAll('-r','-')
            languageCode = (languageCode == "values") ? "tr" : languageCode;
            foundLocales.append("\"").append(languageCode).append("\"").append(",")
        }
    }

    foundLocales.append("}")
    //Don't forget to remove the trailing comma
    def foundLocalesString = foundLocales.toString().replaceAll(',}', '}')
    android.defaultConfig.buildConfigField "String[]", "TRANSLATION_ARRAY", foundLocalesString

}
preBuild.dependsOn buildTranslationArray