Pigeon: Integrated showCastDialog API in Android and iOS

android/src/main/kotlin/com/gianlucaparadise/flutter_cast_framework/FlutterCastFrameworkPlugin.kt

@@ -153,22 +153,8 @@ class FlutterCastFrameworkPlugin : FlutterPlugin, MethodCallHandler, ActivityAwa
     //endregion
 
     override fun onMethodCall(call: MethodCall, result: Result) {
-        val method = call.method
-        val arguments = call.arguments
-
-        when (method) {
-            MethodNames.showCastDialog -> {
-                val context = applicationContext
-                val activity = this.activity
-                if (context == null || activity == null) {
-                    Log.d(TAG, "onMethodCall - missing context")
-                    return
-                }
-
-                CastDialogOpener.showCastDialog(context, activity)
-            }
-            else -> result.notImplemented()
-        }
+        Log.d(TAG, "onMethodCall - ${call.method} not implemented")
+        result.notImplemented()
     }
 
     private inner class MyApi : HostApis.CastApi {
@@ -176,6 +162,16 @@ class FlutterCastFrameworkPlugin : FlutterPlugin, MethodCallHandler, ActivityAwa
             mMessageCastingChannel?.sendMessage(mCastSession, message)
         }
 
+        override fun showCastDialog() {
+            val context = applicationContext
+            val activity = activity
+            if (context == null || activity == null) {
+                Log.d(TAG, "showCastDialog - missing context")
+                return
+            }
+
+            CastDialogOpener.showCastDialog(context, activity)
+        }
     }
 
     private inner class NamespaceResult(val oldSession: CastSession?, val newSession: CastSession?) : Result {

android/src/main/kotlin/com/gianlucaparadise/flutter_cast_framework/MethodNames.kt

@@ -2,7 +2,6 @@ package com.gianlucaparadise.flutter_cast_framework
 
 object MethodNames {
     const val onCastStateChanged = "CastContext.onCastStateChanged"
-    const val showCastDialog = "showCastDialog"
 
     // region SessionManager
     const val onSessionStarting = "SessionManager.onSessionStarting"

ios/Classes/MethodNames.swift

@@ -9,7 +9,6 @@ import Foundation
 
 enum MethodNames : String {
     case onCastStateChanged = "CastContext.onCastStateChanged"
-    case showCastDialog = "showCastDialog"
     
     // region SessionManager
     case onSessionStarting = "SessionManager.onSessionStarting"

ios/Classes/SwiftFlutterCastFrameworkPlugin.swift

@@ -111,13 +111,8 @@ public class SwiftFlutterCastFrameworkPlugin: NSObject, FlutterPlugin, GCKSessio
     }
     
     public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-        switch call.method {
-        case MethodNames.showCastDialog.rawValue:
-            castContext.presentCastDialog()
-        default:
         print("Method [\(call.method)] is not implemented.")
     }
-    }
     
     deinit {
         castStateObserver?.invalidate()
@@ -129,6 +124,10 @@ public class SwiftFlutterCastFrameworkPlugin: NSObject, FlutterPlugin, GCKSessio
         MessageCastingChannel.sendMessage(allCastingChannels: self.castingChannels, castMessage: message)
     }
     
+    public func showCastDialogWithError(_ error: AutoreleasingUnsafeMutablePointer<FlutterError?>) {
+        castContext.presentCastDialog()
+    }
+    
     // MARK: - GCKSessionManagerListener
     
     // onSessionSuspended