let curSystemVersion:String = UIDevice.currentDevice().systemVersion

        let strRange = Range<String.Index>(start:curSystemVersion.startIndex,end:curSystemVersion.endIndex)

        let dotIndex = curSystemVersion.rangeOfString(".", options: NSStringCompareOptions.DiacriticInsensitiveSearch, range: strRange)!

        let iosVersion:Int = curSystemVersion.substringToIndex(dotIndex.startIndex).toInt()!

        if(iosVersion >= 8){

            return true

        }else{

            return false

        }