支持App打开微信支付分

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

@@ -3,9 +3,7 @@ package com.jarvan.fluwx
 import android.content.Intent
 import androidx.annotation.NonNull
 import com.jarvan.fluwx.handlers.*
-import com.tencent.mm.opensdk.modelbiz.SubscribeMessage
-import com.tencent.mm.opensdk.modelbiz.WXLaunchMiniProgram
-import com.tencent.mm.opensdk.modelbiz.WXOpenBusinessWebview
+import com.tencent.mm.opensdk.modelbiz.*
 import com.tencent.mm.opensdk.modelpay.PayReq
 import io.flutter.embedding.engine.plugins.FlutterPlugin
 import io.flutter.embedding.engine.plugins.activity.ActivityAware
@@ -15,10 +13,9 @@ 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.PluginRegistry
-import com.tencent.mm.opensdk.modelbiz.WXOpenCustomerServiceChat
 
 /** FluwxPlugin */
-class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware,PluginRegistry.NewIntentListener {
+class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware, PluginRegistry.NewIntentListener {
     companion object {
         var callingChannel:MethodChannel? = null
         // 主动获取的启动参数
@@ -67,6 +64,8 @@ class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware,PluginRegist
             call.method == "isWeChatInstalled" -> WXAPiHandler.checkWeChatInstallation(result)
             call.method == "getExtMsg" -> getExtMsg(result)
             call.method == "openWeChatCustomerServiceChat" -> openWeChatCustomerServiceChat(call, result)
+            call.method == "checkSupportOpenBusinessView" -> WXAPiHandler.checkSupportOpenBusinessView(result)
+            call.method == "openBusinessView" -> openBusinessView(call, result)
             else -> result.notImplemented()
         }
     }
@@ -142,6 +141,14 @@ class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware,PluginRegist
         result.success(WXAPiHandler.wxApi?.sendReq(request))
     }
 
+    private fun openBusinessView(call: MethodCall, result: Result) {
+        val request = WXOpenBusinessView.Req()
+        request.businessType = call.argument<String>("businessType") ?: ""
+        request.query = call.argument<String>("query") ?: ""
+        request.extInfo = "{\"miniProgramType\": 0}"
+        result.success(WXAPiHandler.wxApi?.sendReq(request))
+    }
+
     private fun signAutoDeduct(call: MethodCall, result: Result) {
         val appId: String = call.argument<String>("appid") ?: ""
         val mchId = call.argument<String>("mch_id") ?: ""

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

@@ -64,7 +64,7 @@ object FluwxRequestHandler {
         // 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
-            if (!WXAPiHandler.isCoolBoot) {
+            if (!WXAPiHandler.coolBoot) {
                 handleRequest(baseReq)
                 startSpecifiedActivity(defaultFlutterActivityAction(activity), activity = activity)
             } else {
@@ -74,7 +74,7 @@ object FluwxRequestHandler {
                             val intent = Intent(Intent.ACTION_VIEW, Uri.parse("wechatextmsg://${activity.packageName}/?extmsg=${baseReq.message.messageExt}"))
                             activity.startActivity(intent)
                             activity.finish()
-                            WXAPiHandler.setCoolBool(false)
+                            WXAPiHandler.coolBoot = false
                         }catch (e:Exception) {
                             Log.i("fluwx","call scheme error:${e.toString()}")
                         }

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

@@ -17,10 +17,7 @@ package com.jarvan.fluwx.handlers
 
 import com.jarvan.fluwx.FluwxPlugin
 import com.tencent.mm.opensdk.modelbase.BaseResp
-import com.tencent.mm.opensdk.modelbiz.SubscribeMessage
-import com.tencent.mm.opensdk.modelbiz.WXLaunchMiniProgram
-import com.tencent.mm.opensdk.modelbiz.WXOpenBusinessWebview
-import com.tencent.mm.opensdk.modelbiz.WXOpenCustomerServiceChat
+import com.tencent.mm.opensdk.modelbiz.*
 import com.tencent.mm.opensdk.modelmsg.SendAuth
 import com.tencent.mm.opensdk.modelmsg.SendMessageToWX
 import com.tencent.mm.opensdk.modelpay.PayResp
@@ -42,9 +39,22 @@ object FluwxResponseHandler {
             is SubscribeMessage.Resp -> handleSubscribeMessage(response)
             is WXOpenBusinessWebview.Resp -> handlerWXOpenBusinessWebviewResponse(response)
             is WXOpenCustomerServiceChat.Resp -> handlerWXOpenCustomerServiceChatResponse(response)
+            is WXOpenBusinessView.Resp -> handleWXOpenBusinessView(response)
         }
     }
 
+    private fun handleWXOpenBusinessView(response: WXOpenBusinessView.Resp) {
+        val result = mapOf(
+            "openid" to response.openId,
+            "extMsg" to response.extMsg,
+            "businessType" to response.businessType,
+            errStr to response.errStr,
+            type to response.type,
+            errCode to response.errCode)
+
+        FluwxPlugin.callingChannel?.invokeMethod("onOpenBusinessViewResponse", result)
+    }
+
     private fun handleSubscribeMessage(response: SubscribeMessage.Resp) {
         val result = mapOf(
                 "openid" to response.openId,

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

@@ -23,6 +23,7 @@ import com.tencent.mm.opensdk.openapi.IWXAPI
 import com.tencent.mm.opensdk.openapi.WXAPIFactory
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
+import com.tencent.mm.opensdk.constants.Build
 
 object WXAPiHandler {
 
@@ -35,12 +36,7 @@ object WXAPiHandler {
     val wxApiRegistered get() = registered
 
     //是否为冷启动
-    private var coolBoot: Boolean = false
-    val isCoolBoot get() = coolBoot
-
-    fun setCoolBool(isCoolBoot : Boolean) {
-        coolBoot = isCoolBoot
-    }
+    var coolBoot: Boolean = false
 
     fun setupWxApi(appId: String, context: Context, force: Boolean = true): Boolean {
         if (force || !registered) {
@@ -86,6 +82,23 @@ object WXAPiHandler {
         }
     }
 
+    fun checkSupportOpenBusinessView(result: MethodChannel.Result) {
+        when {
+            wxApi == null -> {
+                result.error("Unassigned WxApi", "please config  wxapi first", null)
+            }
+            wxApi?.isWXAppInstalled != true -> {
+                result.error("WeChat Not Installed", "Please install the WeChat first", null)
+            }
+            wxApi?.wxAppSupportAPI ?: 0 < Build.OPEN_BUSINESS_VIEW_SDK_INT -> {
+                result.error("WeChat Not Supported", "Please upgrade the WeChat version", null)
+            }
+            else -> {
+                result.success(null)
+            }
+        }
+    }
+
     private fun registerWxAPIInternal(appId: String, context: Context) {
         val api = WXAPIFactory.createWXAPI(context.applicationContext, appId)
         registered = api.registerApp(appId)

lib/src/fluwx_iml.dart

@@ -262,4 +262,14 @@ Future<bool> authWeChatByPhoneLogin(
 Future<bool> openWeChatCustomerServiceChat({required String url, required String corpId}) async {
   return await _channel
       .invokeMethod("openWeChatCustomerServiceChat", {"corpId": corpId, "url": url});
+}
+
+// see https://pay.weixin.qq.com/wiki/doc/apiv3_partner/Offline/apis/chapter6_2_1.shtml
+Future<bool> openWeChatBusinessView({required String businessType, required String query}) async {
+  return await _channel
+      .invokeMethod("openBusinessView", {"businessType": businessType, "query": query});
+}
+
+Future<bool> checkSupportOpenBusinessView() async {
+  return await _channel.invokeMethod("checkSupportOpenBusinessView");
 }
\ No newline at end of file

lib/src/response/wechat_response.dart

@@ -44,6 +44,8 @@ Map<String, _WeChatResponseInvoker> _nameAndResponseMapper = {
       WeChatShowMessageFromWXRequest.fromMap(argument),
   "onWXOpenCustomerServiceChatResponse": (Map argument) =>
       WeChatOpenCustomerServiceChatResponse.fromMap(argument),
+  "onOpenBusinessViewResponse": (Map argument) =>
+      WeChatOpenBusinessViewResponse.fromMap(argument),
 };
 
 class BaseWeChatResponse {
@@ -135,6 +137,20 @@ class WeChatOpenCustomerServiceChatResponse extends BaseWeChatResponse {
         super._(map[_errCode], map[_errStr]);
 }
 
+class WeChatOpenBusinessViewResponse extends BaseWeChatResponse {
+  final String? extMsg;
+  final String? openid;
+  final String? businessType;
+  final int? type;
+
+  WeChatOpenBusinessViewResponse.fromMap(Map map)
+      : extMsg = map["extMsg"],
+        openid = map["openid"],
+        businessType = map["businessType"],
+        type = map["type"],
+        super._(map[_errCode], map[_errStr]);
+}
+
 class WeChatSubscribeMsgResponse extends BaseWeChatResponse {
   final String? openid;
   final String? templateId;