微信开放标签打开App时获取信息（冷启动获）

android/src/main/AndroidManifest.xml

@@ -10,6 +10,7 @@
         <activity
             android:name=".wxapi.FluwxWXEntryActivity"
             android:launchMode="singleTask"
+            android:taskAffinity="${applicationId}"
             android:theme="@style/DisablePreviewTheme" />
 
         <activity-alias
@@ -17,6 +18,7 @@
             android:exported="true"
             android:launchMode="singleTop"
             android:targetActivity="com.jarvan.fluwx.wxapi.FluwxWXEntryActivity"
+            android:taskAffinity="${applicationId}"
             android:theme="@style/DisablePreviewTheme">
 
             <intent-filter>

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

@@ -24,6 +24,7 @@ public class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
             val channel = MethodChannel(registrar.messenger(), "com.jarvanmo/fluwx")
             val authHandler = FluwxAuthHandler(channel)
             FluwxResponseHandler.setMethodChannel(channel)
+            FluwxRequestHandler.setMethodChannel(channel)
             WXAPiHandler.setContext(registrar.activity().applicationContext)
             channel.setMethodCallHandler(FluwxPlugin().apply {
                 this.authHandler = authHandler
@@ -42,6 +43,7 @@ public class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
         val channel = MethodChannel(flutterPluginBinding.binaryMessenger, "com.jarvanmo/fluwx")
         channel.setMethodCallHandler(this)
         FluwxResponseHandler.setMethodChannel(channel)
+        FluwxRequestHandler.setMethodChannel(channel)
         authHandler = FluwxAuthHandler(channel)
         shareHandler = FluwxShareHandlerEmbedding(flutterPluginBinding.flutterAssets, flutterPluginBinding.applicationContext)
     }

android/src/main/kotlin/com/jarvan/fluwx/handlers/FluwxRequestHandler.kt

+/*
+ * Copyright (C) 2020 The OpenFlutter Organization
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.jarvan.fluwx.handlers
+import com.tencent.mm.opensdk.modelmsg.ShowMessageFromWX
+import io.flutter.plugin.common.MethodChannel
+import com.tencent.mm.opensdk.modelbase.BaseReq
+
+object FluwxRequestHandler {
+    private var channel: MethodChannel? = null
+
+    fun setMethodChannel(channel: MethodChannel) {
+        FluwxRequestHandler.channel = channel
+    }
+
+    fun handleRequest(req: BaseReq) {
+        when (req) {
+            is ShowMessageFromWX.Req -> hanleWXShowMessageFromWX(req)
+        }
+    }
+
+    private  fun hanleWXShowMessageFromWX(req: ShowMessageFromWX.Req) {
+        val result = mapOf(
+                "extMsg" to req.message.messageExt, )
+        channel?.invokeMethod("onWXShowMessageFromWX", result)
+    }
+}
\ No newline at end of file

android/src/main/kotlin/com/jarvan/fluwx/wxapi/FluwxWXEntryActivity.kt

@@ -19,9 +19,11 @@ import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
 import com.jarvan.fluwx.handlers.FluwxResponseHandler
+import com.jarvan.fluwx.handlers.FluwxRequestHandler
 import com.jarvan.fluwx.handlers.WXAPiHandler
 import com.tencent.mm.opensdk.modelbase.BaseReq
 import com.tencent.mm.opensdk.modelbase.BaseResp
+import com.tencent.mm.opensdk.modelmsg.ShowMessageFromWX
 import com.tencent.mm.opensdk.openapi.IWXAPIEventHandler
 
 
@@ -61,6 +63,7 @@ open class FluwxWXEntryActivity : Activity(), IWXAPIEventHandler {
         // 稳定复现场景：微信版本为7.0.5，小程序SDK为2.7.7
         if (baseReq.type == 4) {
             // com.tencent.mm.opensdk.constants.ConstantsAPI.COMMAND_SHOWMESSAGE_FROM_WX = 4
+            FluwxRequestHandler.handleRequest(baseReq)
             startSpecifiedActivity()
         }
     }

example/pubspec.lock

@@ -73,7 +73,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.4.0"
+    version: "2.4.2"
   matcher:
     dependency: transitive
     description:

lib/src/response/wechat_response.dart

@@ -40,6 +40,8 @@ Map<String, _WeChatResponseInvoker> _nameAndResponseMapper = {
       WeChatAuthGotQRCodeResponse.fromMap(argument),
   "onQRCodeScanned": (Map argument) =>
       WeChatQRCodeScannedResponse.fromMap(argument),
+  "onWXShowMessageFromWX": (Map argument) =>
+      WeChatShowMessageFromWXRequest.fromMap(argument),
 };
 
 class BaseWeChatResponse {
@@ -173,6 +175,15 @@ class WeChatQRCodeScannedResponse extends BaseWeChatResponse {
       : super._(map[_errCode], map[_errStr]);
 }
 
+// 获取微信打开App时携带的参数
+class WeChatShowMessageFromWXRequest extends BaseWeChatResponse {
+  final String extMsg;
+
+  WeChatShowMessageFromWXRequest.fromMap(Map map)
+      : extMsg = map["extMsg"],
+        super._(0, '');
+}
+
 ///WechatAuth_Err_OK(0),
 ///WechatAuth_Err_NormalErr(-1),
 ///WechatAuth_Err_NetworkErr(-2),