Added: pararameter & exceptions

Added: methodChannelName parameter


Updated: method channel name from env config


Added: Exceptions 


Update: renamed MethodChannelService to PlatformChannelService


Added: MethodChannel parameter

Author: we-mohd-i001

assets/env/develop.json

@@ -17,5 +17,6 @@
   "one_signal_config": null,
   "pusher_config": null,
   "show_debug_panel": true,
+  "method_channel_name": "",
   "debug_panel_color": 3422552064
-}
+}

assets/env/production.json

@@ -17,5 +17,6 @@
   "one_signal_config": null,
   "pusher_config": null,
   "show_debug_panel": false,
+  "method_channel_name": "",
   "debug_panel_color": 3422552064
-}
+}

assets/env/staging.json

@@ -17,5 +17,6 @@
   "one_signal_config": null,
   "pusher_config": null,
   "show_debug_panel": true,
+  "method_channel_name": "",
   "debug_panel_color": 3422552064
-}
+}

lib/vaahextendflutter/env/env.dart

@@ -58,6 +58,7 @@ class EnvironmentConfig {
     this.oneSignalConfig,
     this.pusherConfig,
     required this.showDebugPanel,
+    required this.methodChannelName,
     required this.debugPanelColor,
   });
 
@@ -78,6 +79,7 @@ class EnvironmentConfig {
   final OneSignalConfig? oneSignalConfig;
   final PusherConfig? pusherConfig;
   final bool showDebugPanel;
+  final String methodChannelName;
   @JsonKey(fromJson: _colorFromJson, toJson: _colorToJson)
   final Color debugPanelColor;
 
@@ -119,6 +121,7 @@ class EnvironmentConfig {
       pushNotificationsServiceType: PushNotificationsServiceType.none,
       internalNotificationsServiceType: InternalNotificationsServiceType.none,
       showDebugPanel: true,
+      methodChannelName: '',
       debugPanelColor: Colors.black.withOpacity(0.8),
     );
   }

lib/vaahextendflutter/env/env.g.dart

@@ -1,8 +1,8 @@
 import 'services/base_service.dart';
-import 'services/method_channel_service.dart';
+import 'services/platform_channel_service.dart';
 
 BasePlatformService get service {
-  return MethodChannelService();
+  return PlatformChannelService();
 }
 
 abstract class PlatformService {
@@ -12,7 +12,7 @@ abstract class PlatformService {
     return _service.invokeMethod<T>(method, arguments);
   }
 
-  static Stream<dynamic> getEventStream(String eventChannelName) {
-    return _service.getEventStream(eventChannelName);
+  static Stream<dynamic> getEventStream(String eventChannelName, [dynamic arguments]) {
+    return _service.getEventStream(eventChannelName, arguments);
   }
 }

lib/vaahextendflutter/services/platform_service/platform_service.dart

@@ -1,4 +1,4 @@
 abstract class BasePlatformService {
   Future<T?> invokeMethod<T>(String method, [dynamic arguments]);
-  Stream<dynamic> getEventStream(String eventChannelName);
+  Stream<dynamic> getEventStream(String eventChannelName, [dynamic arguments]);
 }

lib/vaahextendflutter/services/platform_service/services/base_service.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/services.dart';
+
+import '../../../env/env.dart';
+import 'base_service.dart';
+
+class PlatformChannelService implements BasePlatformService {
+  final String _methodChannelName = EnvironmentConfig.getConfig.methodChannelName;
+  static final Map<String, EventChannel> _eventChannels = {};
+
+  @override
+  Future<T?> invokeMethod<T>(String method, [dynamic arguments]) async {
+    final MethodChannel channel = MethodChannel(_methodChannelName);
+    try {
+      final result = await channel.invokeMethod<T>(method, arguments);
+      return result;
+    } on MissingPluginException catch (e) {
+      if (channel.name.isEmpty) {
+        throw 'Please provide correct method_channel_name in env config: ${e.message}';
+      }
+      throw 'No plugin handler for the method call was found: ${e.message}(${channel.name})';
+    } on PlatformException catch (e) {
+      throw 'Failed to invoke method: ${e.message}';
+    }
+  }
+
+  @override
+  Stream<dynamic> getEventStream(String eventChannelName, [dynamic arguments]) {
+    if (!_eventChannels.containsKey(eventChannelName)) {
+      _eventChannels[eventChannelName] = EventChannel(eventChannelName);
+    }
+    return _eventChannels[eventChannelName]!.receiveBroadcastStream(arguments);
+  }
+}