🍎 Apple

func convertToCurrencyFormat(price: Int) -> String { let numberFormatter = NumberFormatter() numberFormatter.numberStyle = .decimal numberFormatter.maximumFractionDigits = 0 let result = numberFormatter.string(from: NSNumber(value: price)) ?? "" return result }

textView에서는 multi-line을 입력하기 때문에, 다음의 메서드를 추가하여 엔터 입력을 감지할 수 있다. func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool { guard text == "\n" else { return true } dismiss(animated: true) return true } 반환 값(Return Value) true >> if the old text should be replaced by the new text 이전 텍스트를 새 텍스트로 대체해야 할 경우 false >> if the replacement operation s..

import UIKit final class SourceTextViewController: UIViewController { private let placeholderText = "텍스트를 입력해주세요" private lazy var textView: UITextView = { let textView = UITextView() textView.text = placeholderText textView.textColor = .secondaryLabel textView.font = .systemFont(ofSize: 16, weight: .semibold) textView.returnKeyType = .done textView.delegate = self return textView }() override f..