buildExt.gradle

gradle.ext.getVisionLibPath = {
    final def properties = new Properties()
    final def localProperties = file('local.properties')
    properties.load(localProperties.newDataInputStream())

    final def libPath = properties.getProperty("vision.lib.dir", "")
    if(libPath.isEmpty())
        return ""

    final def libDir = file(libPath)
    if (!libDir.exists())
        throw GradleException("'vision.lib.dir' has path '${libDir.getAbsolutePath()}', but it does not exist")

    return "${libDir.getAbsolutePath()}"
}

gradle.ext.getSygicLicense = {
    final def properties = new Properties()
    final def localProperties = file('local.properties')
    properties.load(localProperties.newDataInputStream())

    final def sygicLicense = properties.getProperty("sygic.license", "")
    if(sygicLicense.isEmpty())
        logger.warn("'sygic.license' is empty. You need a license to make app working!")

    return sygicLicense
}

    gradle.ext.getTestFairyKey = {
    final def properties = new Properties()
    final def localProperties = file('local.properties')
    properties.load(localProperties.newDataInputStream())
    return properties.getProperty("test.fairy.key", "")
}