stringByExpandingTildeinPath不可用

Question

轉換項目后，我在Swift 2中收到以下錯誤：

stringByExpandingTildeinPath is unavailable: use stringByExpandingTildeinPath on NSString instead

這是我用來與Swift 1.2中的whatsapp共享的代碼，第3行的錯誤：

                let filename = "myimage.wai"
                let documentsPath = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, false)[0] as NSString
                let destinationPath = documentsPath.stringByAppendingString("/" + filename).stringByExpandingTildeInPath

Answer 1

為什么要要求它不擴展~然后自己擴展呢？ 讓API自己處理它要簡單得多：

let filename = "myimage.wai"
let documentsPath = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0]
let destinationPath = documentsPath + "/" + filename