update flutter_sms to the latest version

packages/flutter_sms/ios/Classes/SwiftFlutterSmsPlugin.swift

@@ -2,60 +2,50 @@ import Flutter
 import UIKit
 import MessageUI
 
-public class SwiftFlutterSmsPlugin: NSObject, FlutterPlugin, UINavigationControllerDelegate, MFMessageComposeViewControllerDelegate {
-    var result: FlutterResult?
+public class SwiftFlutterSmsPlugin: NSObject, FlutterPlugin, SmsHostApi, UINavigationControllerDelegate, MFMessageComposeViewControllerDelegate {
+    var result: ((Result<String, Error>) -> Void)?
     var _arguments = [String: Any]()
 
   public static func register(with registrar: FlutterPluginRegistrar) {
-    let channel = FlutterMethodChannel(name: "flutter_sms", binaryMessenger: registrar.messenger())
     let instance = SwiftFlutterSmsPlugin()
-    registrar.addMethodCallDelegate(instance, channel: channel)
+    SmsHostApiSetup.setUp(binaryMessenger: registrar.messenger(), api: instance)
   }
 
-  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-    switch call.method {
-    case "sendSMS":
-        _arguments = call.arguments as! [String : Any];
-      #if targetEnvironment(simulator)
-        result(FlutterError(
-            code: "message_not_sent",
-            message: "Cannot send message on this device!",
-            details: "Cannot send SMS and MMS on a Simulator. Test on a real device."
-          )
-        )
-      #else
-        if (MFMessageComposeViewController.canSendText()) {
-          self.result = result
-          let controller = MFMessageComposeViewController()
-          controller.body = _arguments["message"] as? String
-          controller.recipients = _arguments["recipients"] as? [String]
-          controller.messageComposeDelegate = self
-          UIApplication.shared.keyWindow?.rootViewController?.present(controller, animated: true, completion: nil)
-        } else {
-          result(FlutterError(
-              code: "device_not_capable",
-              message: "The current device is not capable of sending text messages.",
-              details: "A device may be unable to send messages if it does not support messaging or if it is not currently configured to send messages. This only applies to the ability to send text messages via iMessage, SMS, and MMS."
-            )
-          )
-        }
-      #endif
+  public func sendSms(message: String, recipients: [String], completion: @escaping (Result<String, Error>) -> Void) {
+    #if targetEnvironment(simulator)
+      completion(.failure(FlutterError(
+          code: "message_not_sent",
+          message: "Cannot send message on this device!",
+          details: "Cannot send SMS and MMS on a Simulator. Test on a real device."
+        )))
+    #else
+      if (MFMessageComposeViewController.canSendText()) {
+        self.result = completion
+        let controller = MFMessageComposeViewController()
+        controller.body = message
+        controller.recipients = recipients
+        controller.messageComposeDelegate = self
+        UIApplication.shared.keyWindow?.rootViewController?.present(controller, animated: true, completion: nil)
+      } else {
+        completion(.failure(FlutterError(
+            code: "device_not_capable",
+            message: "The current device is not capable of sending text messages.",
+            details: "A device may be unable to send messages if it does not support messaging or if it is not currently configured to send messages. This only applies to the ability to send text messages via iMessage, SMS, and MMS."
+          )))
+      }
+    #endif
+  }
 
-    case "canSendSMS":
-     #if targetEnvironment(simulator)
-        result(false)
-      #else
-        if (MFMessageComposeViewController.canSendText()) {
-          result(true)
-        } else {
-          result(false)
-        }
-      #endif
-
-    default:
-        result(FlutterMethodNotImplemented)
-      break
-    }
+  public func canSendSms() -> Bool {
+    #if targetEnvironment(simulator)
+      return false
+    #else
+      if (MFMessageComposeViewController.canSendText()) {
+        return true
+      } else {
+        return false
+      }
+    #endif
   }
 
   public func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWith result: MessageComposeResult) {
@@ -65,7 +55,7 @@ public class SwiftFlutterSmsPlugin: NSObject, FlutterPlugin, UINavigationControl
         MessageComposeResult.failed: "failed",
     ]
     if let callback = self.result {
-        callback(map[result])
+        callback(.success(map[result] ?? "unknown"))
     }
     UIApplication.shared.keyWindow?.rootViewController?.dismiss(animated: true, completion: nil)
   }