[WIP] iOS12 Security Code AutoFill

Pod/PinCodeTextField.swift

@@ -9,7 +9,93 @@
 import Foundation
 import UIKit
 
-@IBDesignable open class PinCodeTextField: UIView {
+@IBDesignable open class PinCodeTextField: UIView, UITextInput {
+    public func replace(_ range: UITextRange, withText text: String) {
+    }
+
+    public var selectedTextRange: UITextRange? = nil
+
+    public var markedTextRange: UITextRange? = nil
+
+    public var markedTextStyle: [AnyHashable : Any]? = nil
+
+    public func setMarkedText(_ markedText: String?, selectedRange: NSRange) {
+    }
+
+    public func unmarkText() {
+    }
+
+    public var beginningOfDocument: UITextPosition = UITextPosition()
+
+    public var endOfDocument: UITextPosition = UITextPosition()
+
+    public func textRange(from fromPosition: UITextPosition, to toPosition: UITextPosition) -> UITextRange? {
+        return nil
+    }
+
+    public func position(from position: UITextPosition, offset: Int) -> UITextPosition? {
+        return nil
+    }
+
+    public func position(from position: UITextPosition, in direction: UITextLayoutDirection, offset: Int) -> UITextPosition? {
+        return nil
+    }
+
+    public func compare(_ position: UITextPosition, to other: UITextPosition) -> ComparisonResult {
+        return ComparisonResult.orderedSame
+    }
+
+    public func offset(from: UITextPosition, to toPosition: UITextPosition) -> Int {
+        return 0
+    }
+
+    public var inputDelegate: UITextInputDelegate?
+
+    public var tokenizer: UITextInputTokenizer = UITextInputStringTokenizer()
+
+    public func position(within range: UITextRange, farthestIn direction: UITextLayoutDirection) -> UITextPosition? {
+        return nil
+    }
+
+    public func characterRange(byExtending position: UITextPosition, in direction: UITextLayoutDirection) -> UITextRange? {
+        return nil
+    }
+
+    public func baseWritingDirection(for position: UITextPosition, in direction: UITextStorageDirection) -> UITextWritingDirection {
+        return UITextWritingDirection.natural
+    }
+
+    public func setBaseWritingDirection(_ writingDirection: UITextWritingDirection, for range: UITextRange) {
+    }
+
+    public func firstRect(for range: UITextRange) -> CGRect {
+        return CGRect.zero
+    }
+
+    public func caretRect(for position: UITextPosition) -> CGRect {
+        return CGRect.zero
+    }
+
+    public func selectionRects(for range: UITextRange) -> [Any] {
+        return []
+    }
+
+    public func closestPosition(to point: CGPoint) -> UITextPosition? {
+        return nil
+    }
+
+    public func closestPosition(to point: CGPoint, within range: UITextRange) -> UITextPosition? {
+        return nil
+    }
+
+    public func characterRange(at point: CGPoint) -> UITextRange? {
+        return nil
+    }
+
+    public func text(in range: UITextRange) -> String? {
+        return nil
+    }
+
     public weak var delegate: PinCodeTextFieldDelegate?
 
     //MARK: Customizable from Interface Builder
@@ -52,7 +138,14 @@ import UIKit
     public var autocorrectionType: UITextAutocorrectionType = UITextAutocorrectionType.no
     public var font: UIFont = UIFont.systemFont(ofSize: 14)
     public var allowedCharacterSet: CharacterSet = CharacterSet.alphanumerics
-    public var textContentType: UITextContentType! = nil
+
+    public lazy var textContentType: UITextContentType! = {
+        guard #available(iOS 12.0, *) else {
+            return nil
+        }
+
+        return UITextContentType.oneTimeCode
+    }()
 
     private var _inputView: UIView?
     open override var inputView: UIView? {