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lgvv98

[iOS14] Swift5 alertDialog ํ•จ์ˆ˜๋กœ ๋งŒ๋“ค์–ด ์‚ฌ์šฉํ•˜๊ธฐ ๋ณธ๋ฌธ

โš ๏ธ deprecated โš ๏ธ/๐Ÿ˜ท ์ฝ”๋กœ๋‚˜19์•Œ๋ฆผ์•ฑ

[iOS14] Swift5 alertDialog ํ•จ์ˆ˜๋กœ ๋งŒ๋“ค์–ด ์‚ฌ์šฉํ•˜๊ธฐ

๐Ÿฅ• ์บ๋Ÿฟ๋งจ 2021. 8. 4. 14:22

โœ…์ด๋ฒˆ ์‹œ๊ฐ„์—๋Š” AlertDialog๋ฅผ ํ•จ์ˆ˜๋กœ ๋งŒ๋“ค์–ด์„œ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์„ ๋ณผ ์˜ˆ์ •์ด๋‹ค.

Alert์˜ ๊ฒฝ์šฐ ๋‹ค์–‘ํ•œ ๊ณณ์—์„œ ์‚ฌ์šฉํ•˜๋Š”๋ฐ, ์‚ฌ์šฉํ•  ๋•Œ ๋งˆ๋‹ค ๋งŒ๋“œ๋‹ˆ๊นŒ ์ƒ๊ฐ๋ณด๋‹ค ๋„ˆ๋ฌด ๊ท€์ฐฎ์•„์กŒ๋‹ค.

๊ทธ๋ž˜์„œ ํ•จ์ˆ˜๋กœ ๋งŒ๋“ค์–ด์„œ ์‚ฌ์šฉํ•ด๋ณด๊ธฐ๋กœ ํ–ˆ๋Š”๋ฐ ์–ด๋–ป๊ฒŒ ํ–ˆ๋Š”์ง€ ํ™•์ธํ•ด๋ณด์ž.

   func alert(_ message : String, completion : (()->Void)? = nil) {
        
        // ๋ฉ”์ธ ์Šค๋ ˆ๋“œ์—์„œ ์‹คํ–‰ํ•˜๋„๋ก ๋ณ€๊ฒฝ
        DispatchQueue.main.async {
            let alert = UIAlertController(title: nil, message: message, preferredStyle: .alert)
            
            let okAction = UIAlertAction(title: "ํ™•์ธ", style: .cancel) { (_) in
                completion?() // completion ๋งค๊ฐœ๋ณ€์ˆ˜์˜ ๊ฐ’์ด nil์ด ์•„๋‹ ๋•Œ์—๋งŒ ์‹คํ–‰๋˜๋„๋ก
            }
            
            alert.addAction(okAction)
            self.present(alert, animated: false, completion: nil)
        }
    }

์œ„์˜ ์ฝ”๋“œ๋ฅผ ์‚ดํŽด๋ณด๋„๋ก ํ•˜์ž.

์œ„์˜ ์ฝ”๋“œ๋Š” alert๋ฅผ ํ•จ์ˆ˜๋กœ ๋งŒ๋“ค ๊ฒƒ์ธ๋ฐ, ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ๋Š” ๋‚ด๊ฐ€ ํ•„์š”ํ•œ ๋ฉ”์‹œ์ง€๋ฅผ ๋ฐ›๋Š”๋‹ค. 

๐ŸŸ ์—ฌ๊ธฐ์„œ ๋ˆˆ์—ฌ๊ฒจ ๋ณผ ์ฝ”๋“œ๋Š” ํ•จ์ˆ˜์˜ ํŒŒ๋ผ๋ฏธํ„ฐ ๋ถ€๋ถ„์— completion ๋ถ€๋ถ„์ธ๋ฐ, ์ด๋ฅผ ํ•ด์„ํ•˜์ž๋ฉด Void ํ˜•์‹์„ ๋ฐ˜ํ™˜ํ•˜๋ฉฐ ๋งŒ์•ฝ ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋„˜๊ฒจ์ค„ ๋•Œ, ๊ฐ’์„ ์ง€์ •ํ•˜์ง€ ์•Š์•˜๋‹ค๋ฉด nil๋กœ ์ฒ˜๋ฆฌํ•œ๋‹ค.

nil๋กœ ์ฃผ๋Š” ๋ถ€๋ถ„์ด ์ธ์ƒ์ ์ด๋‹ค. ์ฆ‰, completion ๋ถ€๋ถ„์„ ์ด๋ ‡๊ฒŒ ๋งŒ๋“ค์–ด์ค„ ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์ด๋‹ค.

alert์˜ ๊ฒฝ์šฐ์—๋Š” UI์™€ ๊ด€๋ จ๋˜์–ด์„œ ๋ฉ”์ธ ์Šค๋ ˆ๋“œ์—์„œ ์ž‘๋™ํ•ด์•ผํ•˜๋‹ˆ ์ง€์ •ํ•ด์ฃผ๊ณ , okAction์„ ์„ ํƒํ•  ์‹œ, complection์„ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋„๋ก ์•„๋ž˜์— ์ฝ”๋“œ๋ฅผ ๋„ฃ์–ด์ค€๋‹ค!

 

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