1.better api 2.add some params support in android

android/src/main/kotlin/com/jarvan/fluwx/FluwxPlugin.kt

 package com.jarvan.fluwx
 
-import android.util.Log
 import com.jarvan.fluwx.constant.CallResult
 import com.jarvan.fluwx.constant.WeChatPluginMethods
 import com.jarvan.fluwx.handler.WeChatPluginHandler
 import com.tencent.mm.opensdk.openapi.WXAPIFactory
+import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler
 import io.flutter.plugin.common.MethodChannel.Result
-import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.PluginRegistry.Registrar
 
 class FluwxPlugin(private var registrar: Registrar) : MethodCallHandler {

android/src/main/kotlin/com/jarvan/fluwx/constant/WechatPluginKeys.java

@@ -22,4 +22,8 @@ public class WechatPluginKeys {
     public static final String DESCRIPTION = "description";
 
     public static final String PACKAGE = "?package=";
+
+    public static final String MESSAGE_EXT ="messageExt";
+    public static final String MEDIA_TAG_NAME = "mediaTagName ";
+    public static final String MESSAGE_ACTION = "messageAction";
 }

android/src/main/kotlin/com/jarvan/fluwx/handler/WeChatPluginHandler.kt

@@ -72,7 +72,13 @@ object WeChatPluginHandler {
         msg.description = call.argument(WechatPluginKeys.TEXT)
         val req = SendMessageToWX.Req()
         req.message = msg
-        setCommonArguments(call, req)
+        msg.description
+
+        msg.messageAction =  call.argument<String>(WechatPluginKeys.MESSAGE_ACTION)
+        msg.messageExt =  call.argument<String>(WechatPluginKeys.MESSAGE_EXT)
+        msg.mediaTagName =  call.argument<String>(WechatPluginKeys.MEDIA_TAG_NAME)
+
+        setCommonArguments(call, req,msg)
         wxApi?.sendReq(req)
         result.success(true)
 
@@ -99,7 +105,7 @@ object WeChatPluginHandler {
 
 
         val req = SendMessageToWX.Req()
-        setCommonArguments(call, req)
+        setCommonArguments(call, req,msg)
         req.message = msg
         wxApi?.sendReq(req)
         result.success(true)
@@ -123,10 +129,14 @@ object WeChatPluginHandler {
         val msg = WXMediaMessage()
         msg.mediaObject = imgObj
         msg.thumbData = WeChatThumbnailUtil.thumbnailForCommon(call.argument(WechatPluginKeys.THUMBNAIL), registrar)
+
+        msg.title =  call.argument<String>(WechatPluginKeys.TITLE)
+        msg.description =  call.argument<String>(WechatPluginKeys.DESCRIPTION)
+
 //
         val req = SendMessageToWX.Req()
-        setCommonArguments(call, req)
-//        req.message = msg
+        setCommonArguments(call, req,msg)
+        req.message = msg
         wxApi?.sendReq(req)
 
         result.success(true)
@@ -151,7 +161,7 @@ object WeChatPluginHandler {
         }
 
         val req = SendMessageToWX.Req()
-        setCommonArguments(call, req)
+        setCommonArguments(call, req,msg)
         req.message = msg
         wxApi?.sendReq(req)
         result.success(true)
@@ -175,8 +185,9 @@ object WeChatPluginHandler {
             msg.thumbData = WeChatThumbnailUtil.thumbnailForCommon(thumbnail, registrar)
         }
 
+
         val req = SendMessageToWX.Req()
-        setCommonArguments(call, req)
+        setCommonArguments(call, req,msg)
         req.message = msg
         wxApi?.sendReq(req)
         result.success(true)
@@ -197,7 +208,7 @@ object WeChatPluginHandler {
         }
 
         val req = SendMessageToWX.Req()
-        setCommonArguments(call, req)
+        setCommonArguments(call, req,msg)
         req.message = msg
         wxApi?.sendReq(req)
         result.success(true)
@@ -242,7 +253,11 @@ object WeChatPluginHandler {
         else -> SendMessageToWX.Req.WXSceneTimeline
     }
 
-    private fun setCommonArguments(call: MethodCall, req: SendMessageToWX.Req) {
+    private fun setCommonArguments(call: MethodCall, req: SendMessageToWX.Req,msg:WXMediaMessage) {
+        msg.messageAction =  call.argument<String>(WechatPluginKeys.MESSAGE_ACTION)
+        msg.messageExt =  call.argument<String>(WechatPluginKeys.MESSAGE_EXT)
+        msg.mediaTagName =  call.argument<String>(WechatPluginKeys.MEDIA_TAG_NAME)
+
         req.transaction = call.argument(WechatPluginKeys.TRANSACTION)
         req.scene = getScene(call.argument(WechatPluginKeys.SCENE))
     }

example/lib/main.dart

@@ -18,12 +18,11 @@ class _MyAppState extends State<MyApp> {
   void initState() {
     super.initState();
 //    initPlatformState();
-    Fluwx.init("wxd930ea5d5a258f4f").then((_){
+    Fluwx.init("wxd930ea5d5a258f4f").then((_) {
       print("succes");
-    },onError: (value){
+    }, onError: (value) {
       print("--->$value");
     });
-
   }
 
   // Platform messages are asynchronous, so we initialize in an async method.
@@ -54,15 +53,15 @@ class _MyAppState extends State<MyApp> {
           title: const Text('Plugin example app'),
         ),
         body: new Center(
-          child:
-              new FlatButton(onPressed: () {
+          child: new FlatButton(
+              onPressed: () {
                 var fluwx = Fluwx();
-                fluwx.shareText(WeChatShareTextModel(text: "share text from flutter",transaction: "hehe"));
-              }, child: new Text("share text to wechat")),
+                fluwx.share(WeChatShareTextModel(
+                    text: "share text from flutter", transaction: "hehe"));
+              },
+              child: new Text("share text to wechat")),
         ),
       ),
     );
   }
-
-
 }

lib/fluwx.dart

-library fluwe;
+library fluwx;
 export 'src/wechat_plugin.dart';
 export 'src/wechat_share_models.dart';
 export 'src/wechat_scene.dart';

lib/src/wechat_plugin.dart

@@ -4,53 +4,45 @@ import 'package:flutter/services.dart';
 import 'package:fluwx/src/wechat_share_models.dart';
 
 class Fluwx {
-
+  static const Map<Type, String> _shareModelMethodMapper = {
+    WeChatShareTextModel: "shareText",
+    WeChatShareImageModel: "shareImage",
+    WeChatShareMusicModel: "shareMusic",
+    WeChatShareVideoModel: "shareVideo",
+    WeChatShareWebPageModel: "shareWebPage",
+    WeChatShareMiniProgramModel: "shareMiniProgram"
+  };
 
   static const MethodChannel _channel = const MethodChannel('fluwx');
 
-   StreamController<Map> _responseStreamController = new StreamController.broadcast();
-   Stream<Map> get weChatResponseUpdate=>_responseStreamController.stream;
+  StreamController<Map> _responseStreamController =
+      new StreamController.broadcast();
+
+  Stream<Map> get weChatResponseUpdate => _responseStreamController.stream;
 
-   static Future  init(String appId) async{
-    return await _channel.invokeMethod("initWeChat",appId);
+  static Future init(String appId) async {
+    return await _channel.invokeMethod("initWeChat", appId);
   }
 
-   void listen(){
+  void listen() {
     _channel.setMethodCallHandler(_handler);
   }
 
-   void dispose(){
+  void dispose() {
     _responseStreamController.close();
   }
 
-
-
-   Future shareText(WeChatShareTextModel model) async{
-     await _channel.invokeMethod("shareText",model.toMap());
-  }
-
-   Future shareMiniProgram(WeChatShareMiniProgramModel model)async{
-    return await _channel.invokeMethod("shareMiniProgram",model.toMap());
+  Future share(WeChatShareModel model) async {
+    if (_shareModelMethodMapper.containsKey(model.runtimeType)) {
+      return await _channel.invokeMethod(
+          _shareModelMethodMapper[model.runtimeType], model.toMap());
+    } else {
+      return Future.error("no method mapper found[${model.runtimeType}]");
     }
-
-
-   Future shareMusic(WeChatShareMusicModel model)async{
-    return await _channel.invokeMethod("shareMusic",model.toMap());
   }
 
-  Future shareVideo(WeChatShareVideoModel model)async{
-    return await _channel.invokeMethod("shareVideo",model.toMap());
-  }
-
-  Future shareWebPage(WeChatShareWebPageModel model)async{
-    return await _channel.invokeMethod("shareWebPage",model.toMap());
-  }
-
-
-
-   Future<dynamic> _handler(MethodCall methodCall){
-
-    if("onWeChatResponse" == methodCall.method){
+  Future<dynamic> _handler(MethodCall methodCall) {
+    if ("onWeChatResponse" == methodCall.method) {
       _responseStreamController.add(methodCall.arguments);
     }
 

lib/src/wechat_share_models.dart

@@ -4,31 +4,63 @@ const String _scene = "scene";
 const String _transaction = "transaction";
 const String _thumbnail = "thumbnail";
 const String _title = "title";
-const String _description ="description";
+const String _description = "description";
+const String _messageExt = "messageExt";
+const String _mediaTagName = "mediaTagName ";
+const String _messageAction = "messageAction";
 
+abstract class WeChatShareModel {
+  final String messageExt;
+  final String messageAction;
+  final String mediaTagName;
+  final WeChatScene scene;
+
+  WeChatShareModel(
+      {this.messageExt,
+      this.messageAction,
+      this.mediaTagName,
+      this.scene: WeChatScene.SESSION});
+
+  Map toMap();
+}
 
-class WeChatShareTextModel {
+class WeChatShareTextModel extends WeChatShareModel {
   final String text;
   final String transaction;
-  final WeChatScene scene;
 
-  WeChatShareTextModel({String text, String transaction, WeChatScene scene})
+  WeChatShareTextModel(
+      {String text,
+      String transaction,
+      WeChatScene scene,
+      String messageExt,
+      String messageAction,
+      String mediaTagName})
       : this.text = text ?? "",
         this.transaction = transaction ?? "text",
-        this.scene = scene ?? WeChatScene.TIMELINE;
+        super(
+            mediaTagName: mediaTagName,
+            messageAction: messageAction,
+            messageExt: messageExt,
+            scene: scene);
 
+  @override
   Map toMap() {
-    return {"text": text, _transaction: transaction, _scene: scene.toString()};
+    return {
+      "text": text,
+      _transaction: transaction,
+      _scene: scene.toString(),
+      _messageExt: messageExt,
+      _messageAction: messageAction,
+      _mediaTagName: mediaTagName
+    };
   }
 }
 
-class WeChatShareMiniProgramModel {
+class WeChatShareMiniProgramModel extends WeChatShareModel {
   static const int MINI_PROGRAM_TYPE_RELEASE = 0;
   static const int MINI_PROGRAM_TYPE_TEST = 1;
   static const int MINI_PROGRAM_TYPE_PREVIEW = 2;
 
-  final WeChatScene scene = WeChatScene.SESSION;
-
   final String webPageUrl;
   final int miniProgramType;
   final String userName;
@@ -50,13 +82,23 @@ class WeChatShareMiniProgramModel {
       this.title,
       this.description,
       this.thumbnail,
-      String transaction})
+      String transaction,
+      WeChatScene scene,
+      String messageExt,
+      String messageAction,
+      String mediaTagName})
       : this.transaction = transaction ?? "miniProgram",
         this.miniProgramType = miniProgramType ?? MINI_PROGRAM_TYPE_RELEASE,
         assert(webPageUrl != null && webPageUrl.isNotEmpty),
         assert(userName != null && userName.isNotEmpty),
-        assert(path != null && path.isNotEmpty);
+        assert(path != null && path.isNotEmpty),
+        super(
+            mediaTagName: mediaTagName,
+            messageAction: messageAction,
+            messageExt: messageExt,
+            scene: scene);
 
+  @override
   Map toMap() {
     return {
       'webPageUrl': webPageUrl,
@@ -72,31 +114,51 @@ class WeChatShareMiniProgramModel {
   }
 }
 
-class WeChatShareImageModel {
+class WeChatShareImageModel extends WeChatShareModel {
   final String transaction;
   final WeChatScene scene;
   final String image;
   final String thumbnail;
+  final String title;
+  final String description;
 
   WeChatShareImageModel(
-      {String transaction, WeChatScene scene, this.image, String thumbnail})
+      {String transaction,
+      this.image,
+      this.description,
+      String thumbnail,
+      WeChatScene scene,
+      String messageExt,
+      String messageAction,
+      String mediaTagName,
+      this.title})
       : this.transaction = transaction ?? "text",
         this.scene = scene ?? WeChatScene.TIMELINE,
         this.thumbnail = thumbnail ?? "",
-        assert(image != null);
+        assert(image != null),
+        super(
+            mediaTagName: mediaTagName,
+            messageAction: messageAction,
+            messageExt: messageExt,
+            scene: scene);
 
+  @override
   Map toMap() {
     return {
       _transaction: transaction,
       _scene: scene.toString(),
       "image": image,
-      _thumbnail: thumbnail
+      _thumbnail: thumbnail,
+      _mediaTagName: mediaTagName,
+      _messageAction: messageAction,
+      _messageExt: messageExt,
+      _title: title,
+      _description: description
     };
   }
 }
 
-
-class WeChatShareMusicModel {
+class WeChatShareMusicModel extends WeChatShareModel {
   final String transaction;
   final WeChatScene scene;
   final String musicUrl;
@@ -105,35 +167,46 @@ class WeChatShareMusicModel {
   final String title;
   final String description;
 
-  WeChatShareMusicModel(
-      {String transaction,
-        WeChatScene scene,
+  WeChatShareMusicModel({
+    String transaction,
     this.musicUrl,
-        this.musicLowBandUrl ,
-        this.title:"",
-        this.description:"",
-        String thumbnail})
-      : this.transaction = transaction ?? "text",
+    this.musicLowBandUrl,
+    this.title: "",
+    this.description: "",
+    String thumbnail,
+    WeChatScene scene,
+    String messageExt,
+    String messageAction,
+    String mediaTagName,
+  })  : this.transaction = transaction ?? "text",
         this.scene = scene ?? WeChatScene.TIMELINE,
         this.thumbnail = thumbnail ?? "",
-        assert(musicUrl != null || musicLowBandUrl != null ),
-        assert(thumbnail != null);
+        assert(musicUrl != null || musicLowBandUrl != null),
+        assert(thumbnail != null),
+        super(
+            mediaTagName: mediaTagName,
+            messageAction: messageAction,
+            messageExt: messageExt,
+            scene: scene);
 
+  @override
   Map toMap() {
     return {
       _transaction: transaction,
       _scene: scene.toString(),
       "musicUrl": musicUrl,
-      "musicLowBandUrl":musicLowBandUrl,
+      "musicLowBandUrl": musicLowBandUrl,
       _thumbnail: thumbnail,
-      _title:title,
-      _description:description,
+      _title: title,
+      _description: description,
+      _mediaTagName: mediaTagName,
+      _messageAction: messageAction,
+      _messageExt: messageExt,
     };
   }
 }
 
-
-class WeChatShareVideoModel {
+class WeChatShareVideoModel extends WeChatShareModel {
   final String transaction;
   final WeChatScene scene;
   final String videoUrl;
@@ -142,34 +215,50 @@ class WeChatShareVideoModel {
   final String title;
   final String description;
 
-  WeChatShareVideoModel(
-      {String transaction,
+  final String messageExt;
+  final String messageAction;
+  final String mediaTagName;
+
+  WeChatShareVideoModel({
+    String transaction,
     WeChatScene scene,
     this.videoUrl,
-        this.videoLowBandUrl ,
-        this.title:"",
-        this.description:"",
-        String thumbnail})
-      : this.transaction = transaction ?? "text",
+    this.videoLowBandUrl,
+    this.title: "",
+    this.description: "",
+    String thumbnail,
+    this.messageExt,
+    this.messageAction,
+    this.mediaTagName,
+  })  : this.transaction = transaction ?? "text",
         this.scene = scene ?? WeChatScene.TIMELINE,
         this.thumbnail = thumbnail ?? "",
-        assert(videoUrl != null || videoLowBandUrl != null ),
-        assert(thumbnail != null);
+        assert(videoUrl != null || videoLowBandUrl != null),
+        assert(thumbnail != null),
+        super(
+            mediaTagName: mediaTagName,
+            messageAction: messageAction,
+            messageExt: messageExt,
+            scene: scene);
 
+  @override
   Map toMap() {
     return {
       _transaction: transaction,
       _scene: scene.toString(),
       "videoUrl": videoUrl,
-      "videoLowBandUrl":videoLowBandUrl,
+      "videoLowBandUrl": videoLowBandUrl,
       _thumbnail: thumbnail,
-      _title:title,
-      _description:description
+      _title: title,
+      _description: description,
+      _mediaTagName: mediaTagName,
+      _messageAction: messageAction,
+      _messageExt: messageExt,
     };
   }
 }
 
-class WeChatShareWebPageModel {
+class WeChatShareWebPageModel extends WeChatShareModel {
   final String transaction;
   final WeChatScene scene;
   final String webPage;
@@ -177,27 +266,39 @@ class WeChatShareWebPageModel {
   final String title;
   final String description;
 
-  WeChatShareWebPageModel(
-      {String transaction,
-        WeChatScene scene,
+  WeChatShareWebPageModel({
+    String transaction,
     this.webPage,
-        this.title:"",
-        this.description:"",
-        String thumbnail})
-      : this.transaction = transaction ?? "text",
+    this.title: "",
+    this.description: "",
+    String thumbnail,
+    WeChatScene scene,
+    String messageExt,
+    String messageAction,
+    String mediaTagName,
+  })  : this.transaction = transaction ?? "text",
         this.scene = scene ?? WeChatScene.TIMELINE,
         this.thumbnail = thumbnail ?? "",
-        assert(webPage != null ),
-        assert(thumbnail != null);
+        assert(webPage != null),
+        assert(thumbnail != null),
+        super(
+            mediaTagName: mediaTagName,
+            messageAction: messageAction,
+            messageExt: messageExt,
+            scene: scene);
 
+  @override
   Map toMap() {
     return {
       _transaction: transaction,
       _scene: scene.toString(),
       "webPage": webPage,
       _thumbnail: thumbnail,
-      _title:title,
-      _description:description
+      _title: title,
+      _description: description,
+      _mediaTagName: mediaTagName,
+      _messageAction: messageAction,
+      _messageExt: messageExt,
     };
   }
 }