feat: create ios addressheet implementation

packages/stripe/lib/src/widgets/adresssheet.dart

@@ -89,7 +89,9 @@ class _AddressSheetState extends State<_AddressSheet> {
       child: defaultTargetPlatform == TargetPlatform.iOS
           ? UiKitView(
               viewType: _viewType,
-              creationParams: const StandardMessageCodec(),
+              creationParamsCodec: const StandardMessageCodec(),
+              creationParams: widget.addressSheetParams.toJson(),
+              onPlatformViewCreated: onPlatformViewCreated,
             )
           : PlatformViewLink(
               surfaceFactory: (context, controller) {

packages/stripe_ios/ios/Classes/AddressSheetFactory.swift

@@ -0,0 +1,130 @@
+//
+//  AddressSheetFactory.swift
+//  stripe_ios
+//
+//  Created by Remon on 16/12/2024.
+//
+
+import Foundation
+
+public class AddressSheetViewFactory: NSObject, FlutterPlatformViewFactory{
+
+    private var messenger: FlutterBinaryMessenger
+    private var delegate: ViewManagerDelegate
+
+    init(messenger: FlutterBinaryMessenger, delegate: ViewManagerDelegate) {
+        self.messenger = messenger
+        self.delegate = delegate
+        super.init()
+    }
+
+    public func create(
+        withFrame frame: CGRect,
+        viewIdentifier viewId: Int64,
+        arguments args: Any?
+    ) -> FlutterPlatformView {
+        let view = AddressSheetPlatformView(
+            frame: frame,
+            viewIdentifier: viewId,
+            arguments: args,
+            binaryMessenger: messenger)
+        return view
+    }
+
+    public func createArgsCodec() -> any FlutterMessageCodec & NSObjectProtocol {
+        return FlutterStandardMessageCodec.sharedInstance()
+    }
+}
+
+class AddressSheetPlatformView: NSObject, FlutterPlatformView {
+    let formView: AddressSheetView
+
+    private let channel: FlutterMethodChannel
+    func view() -> UIView {
+       return formView
+    }
+
+    init( frame: CGRect,
+          viewIdentifier viewId: Int64,
+          arguments args: Any?,
+          binaryMessenger messenger: FlutterBinaryMessenger){
+
+        channel = FlutterMethodChannel(name: "flutter.stripe/address_sheet/\(viewId)",
+                                           binaryMessenger: messenger)
+
+        formView = AddressSheetView()
+        super.init()
+        channel.setMethodCallHandler(handle)
+
+        formView.onSubmitAction = onCompleteAction
+        formView.onErrorAction = onCancelAction
+
+        updateProps(args)
+
+    }
+
+    public func onCompleteAction(addressData: Dictionary<AnyHashable, Any>?) {
+        channel.invokeMethod("onSubmitAction", arguments: addressData)
+    }
+
+    public func onCancelAction(errorData: Dictionary<AnyHashable, Any>?) {
+        channel.invokeMethod("onErrorAction", arguments: errorData)
+    }
+
+    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+        switch call.method {
+        default:
+            result(FlutterMethodNotImplemented)
+        }
+    }
+
+    func updateProps (_ args : Any? ) {
+        guard let arguments = args  as?  [String: Any] else {
+            return
+        }
+
+        if let presentationStyle = arguments["presentationStyle"] as? String{
+            formView.presentationStyle = presentationStyle
+        }
+
+        if let animationStyle = arguments["animationStyle"] as? String{
+            formView.animationStyle = animationStyle
+        }
+
+        if let visible = arguments["visible"] as? Bool {
+            formView.visible = visible
+        }
+
+        if let appearance = arguments["appearance"] as? NSDictionary {
+            formView.appearance = appearance
+        }
+
+        if let defaultValues = arguments["defaultValues"] as? NSDictionary {
+            formView.defaultValues = defaultValues
+        }
+
+        if let additionalFields = arguments["additionalFields"] as? NSDictionary {
+            formView.additionalFields = additionalFields
+        }
+
+        if let allowedCountries = arguments["allowedCountries"] as? [String] {
+            formView.allowedCountries = allowedCountries
+        }
+
+        if let autocompleteCountries = arguments["autocompleteCountries"] as? [String] {
+            formView.autocompleteCountries = autocompleteCountries
+        }
+
+        if let primaryButtonTitle = arguments["primaryButtonTitle"] as? String {
+            formView.primaryButtonTitle = primaryButtonTitle
+        }
+
+        if let sheetTitle = arguments["sheetTitle"] as? String {
+            formView.sheetTitle = sheetTitle
+        }
+
+        formView.didSetProps(nil)
+
+
+    }
+}

packages/stripe_ios/ios/Classes/StripePlugin.swift

@@ -42,6 +42,11 @@ class StripePlugin: StripeSdk, FlutterPlugin, ViewManagerDelegate {
         // Apple Pay Button
         let applePayFactory = ApplePayButtonViewFactory(messenger: registrar.messenger(),stripeSdk: instance)
         registrar.register(applePayFactory, withId: "flutter.stripe/apple_pay")
+
+        // Addressheet
+        let addressSheetFactory = AddressSheetViewFactory(messenger: registrar.messenger(), delegate: instance)
+        registrar.register(addressSheetFactory, withId: "flutter.stripe/address_sheet")
+
     }
 
     init(channel : FlutterMethodChannel) {