date picker mode bug in iOs >= 13.4 solved

AnimatedField/Classes/AnimatedField+TextFieldDelegate.swift

@@ -17,8 +17,10 @@ extension AnimatedField: UITextFieldDelegate {
             return shouldChange
         }
 
+        let sstring = string.toEnglish()
+
         // Copy new character
-        var newInput = string
+        var newInput = sstring
 
         // Replace special characters in newInput
         newInput = newInput.replacingOccurrences(of: "`", with: "")
@@ -43,7 +45,7 @@ extension AnimatedField: UITextFieldDelegate {
         if !newInput.isValidWithRegEx(regex) && newInput != "" { return false }
 
         // Change textfield in manual mode in case of changing newInput. Check limits also
-        if newInput != string {
+        if newInput != sstring {
             textField.text = textField.text?.count ?? 0 + newInput.count <= limit ? "\(textField.text ?? "")\(newInput)" : textField.text
             return false
         }

AnimatedField/Classes/AnimatedField.swift

@@ -44,6 +44,7 @@ open class AnimatedField: UIView {
     private var datePicker: UIDatePicker?
     private var initialDate: Date?
     private var dateFormat: String?
+    private var isPersian: Bool = true
 
     /// Picker values
     private var numberPicker: UIPickerView?
@@ -109,10 +110,10 @@ open class AnimatedField: UIView {
     /// Field type (default values)
     public var type: AnimatedFieldType = .none {
         didSet {
-            if case let AnimatedFieldType.datepicker(mode, defaultDate, minDate, maxDate, chooseText, format) = type {
+            if case let AnimatedFieldType.datepicker(mode, defaultDate, minDate, maxDate, chooseText, format, bgColor, isPersian) = type {
                 initialDate = defaultDate
                 dateFormat = format
-                setupDatePicker(mode: mode, minDate: minDate, maxDate: maxDate, chooseText: chooseText)
+                setupDatePicker(mode: mode, minDate: minDate, maxDate: maxDate, chooseText: chooseText, bgColor: bgColor, isPersian: isPersian)
             }
             if case let AnimatedFieldType.numberpicker(defaultNumber, minNumber, maxNumber, chooseText) = type {
                 setupPicker(defaultNumber: defaultNumber, minNumber: minNumber, maxNumber: maxNumber, chooseText: chooseText)
@@ -316,12 +317,26 @@ open class AnimatedField: UIView {
         layoutIfNeeded()
     }
 
-    private func setupDatePicker(mode: UIDatePicker.Mode?, minDate: Date?, maxDate: Date?, chooseText: String?) {
+    private func setupDatePicker(mode: UIDatePicker.Mode?, minDate: Date?, maxDate: Date?, chooseText: String?, bgColor: UIColor?, isPersian: Bool = true) {
         datePicker = UIDatePicker()
         datePicker?.datePickerMode = mode ?? .date
+        if #available(iOS 13.4, *) {
+            datePicker?.preferredDatePickerStyle = .wheels
+        } else {
+            // Fallback on earlier versions
+        }
+        self.isPersian = isPersian
         datePicker?.maximumDate = maxDate
         datePicker?.minimumDate = minDate
         datePicker?.setValue(format.textColor, forKey: "textColor")
+        if isPersian {
+            datePicker?.datePickerMode = .date
+            datePicker?.calendar = Calendar(identifier: .persian)
+            datePicker?.locale = Locale(identifier: "fa_IR")
+        }
+        if let bgcolor = bgColor {
+            datePicker?.backgroundColor = bgcolor
+        }
 
         let toolBar = UIToolbar(target: self, selector: #selector(didChooseDatePicker))
 
@@ -366,9 +381,9 @@ open class AnimatedField: UIView {
         delegate?.animatedFieldDidChange(self)
     }
 
-    @objc func didChooseDatePicker() {
+    @objc func didChooseDatePicker(sender: Any) {
         let date = datePicker?.date ?? initialDate
-        textField.text = date?.format(dateFormat: dateFormat ?? "dd / MM / yyyy")
+        textField.text = date?.format(dateFormat: dateFormat ?? "dd / MM / yyyy", isPersian: isPersian)
         _ = resignFirstResponder()
     }
 

AnimatedField/Classes/AnimatedFieldType.swift

@@ -16,9 +16,11 @@ public enum AnimatedFieldType {
     case password(Int, Int) // min, max
     case price(Double, Int) // max price, max decimals
     case url
-    case datepicker(UIDatePicker.Mode?, Date?, Date?, Date?, String?, String?) // mode, default date, min date, max date, choose text, date format
+    case datepicker(UIDatePicker.Mode?, Date?, Date?, Date?, String?, String?, UIColor?, Bool) // mode, default date, min date, max date, choose text, date format
     case numberpicker(Int, Int, Int, String?) // default number, min number, max number, choose text
     case multiline
+    case numeric
+    case iranianCellphoneNumber
 
     var decimal: String {
         var separator = Locale.current.decimalSeparator ?? "\\."
@@ -31,6 +33,8 @@ public enum AnimatedFieldType {
         case .email: return "[A-Z0-9a-z@_\\.]"
         case .username: return "[A-Za-z0-9_.]"
         case .price: return "[0-9\(decimal)]"
+        case .numeric: return "[0-9]"
+        case .iranianCellphoneNumber: return "[0-9]"
         default: return ".*"
         }
     }
@@ -42,6 +46,8 @@ public enum AnimatedFieldType {
         case .password(let min, let max): return ".{\(min),\(max)}"
         case .price(_, let max): return "^(?=.*[1-9])([1-9]\\d*(?:\(decimal)\\d{1,\(max)})?|(?:0\(decimal)\\d{1,\(max)}))$"
         case .url: return "https?:\\/\\/(?:www\\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\\.[^\\s]{2,}|www\\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\\.[^\\s]{2,}|https?:\\/\\/(?:www\\.|(?!www))[a-zA-Z0-9]+\\.[^\\s]{2,}|www\\.[a-zA-Z0-9]+\\.[^\\s]{2,}"
+        case .numeric: return "[0-9]"
+        case .iranianCellphoneNumber: return "^(0)?9\\d{9}$"
         default: return ".*"
         }
     }
@@ -53,6 +59,8 @@ public enum AnimatedFieldType {
         case .password: return "Password is not valid!"
         case .price: return "Price is not valid!"
         case .url: return "Url is not valid!"
+        case .numeric: return "Number is not valid!"
+        case .iranianCellphoneNumber: return "Cellphone number is not valid!"
         default: return ""
         }
     }

AnimatedField/Classes/Extensions/Date+Format.swift

@@ -9,8 +9,12 @@ import Foundation
 
 extension Date {
 
-    func format(dateFormat: String) -> String {
+    func format(dateFormat: String, isPersian: Bool) -> String {
         let dateFormatter = DateFormatter()
+        if isPersian {
+            dateFormatter.calendar = Calendar(identifier: .persian)
+            dateFormatter.locale = Locale(identifier: "fa_IR")
+        }
         dateFormatter.dateFormat = dateFormat
         return dateFormatter.string(from: self)
     }

AnimatedField/Classes/Extensions/String+RegEx.swift

@@ -13,4 +13,25 @@ extension String {
         let pred = NSPredicate(format:"SELF MATCHES %@", regEx)
         return pred.evaluate(with: self)
     }
+
+    func toEnglish() -> String {
+        let dic = [
+            "۰" : "0",
+            "۱" : "1" ,
+            "۲" : "2",
+            "۳" : "3",
+            "۴" : "4",
+            "۵" : "5" ,
+            "۶" : "6",
+            "۷" : "7",
+            "۸" : "8",
+            "۹" : "9"
+            ] as Dictionary
+
+        var result : String = self
+        for (key, value) in dic {
+            result = result.replacingOccurrences(of: key, with: value)
+        }
+        return result
+    }
 }

Example/AnimatedField/ViewController.swift

@@ -67,7 +67,7 @@ class ViewController: UIViewController {
         let maxDate = Date().addingTimeInterval(-13 * 365 * 24 * 60 * 60)
         let chooseText = "Choose"
         let dateFormat = "dd / MM / yyyy"
-        birthdateAnimatedField.type = .datepicker(.dateAndTime, defaultDate, minDate, maxDate, chooseText, dateFormat)
+        birthdateAnimatedField.type = .datepicker(.dateAndTime, defaultDate, minDate, maxDate, chooseText, dateFormat, .black, true)
         birthdateAnimatedField.tag = 2
 
         numberAnimatedField.format = format