added wechat pay hk by WXOpenBusinessWebview

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

@@ -53,6 +53,7 @@ public class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
             call.method == "authByQRCode" -> authHandler?.authByQRCode(call, result)
             call.method == "stopAuthByQRCode" -> authHandler?.stopAuthByQRCode(result)
             call.method == "payWithFluwx" -> pay(call, result)
+            call.method == "payWithHongKongWallet" -> payWithHongKongWallet(call, result)
             call.method == "launchMiniProgram" -> launchMiniProgram(call, result)
             call.method == "subscribeMsg" -> subScribeMsg(call, result)
             call.method == "autoDeduct" -> signAutoDeduct(call, result)
@@ -108,6 +109,16 @@ public class FluwxPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
         }
     }
 
+    private fun payWithHongKongWallet(call: MethodCall, result: MethodChannel.Result) {
+        val prepayId = call.argument<String>("prepayId") ?: ""
+        val request = WXOpenBusinessWebview.Req()
+        request.businessType = 1
+        request.queryInfo = hashMapOf(
+                "token" to prepayId
+        )
+        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/FluwxResponseHandler.kt

@@ -121,6 +121,6 @@ object FluwxResponseHandler {
                 openId to response.openId,
                 type to response.type)
 
-        channel?.invokeMethod("onAutoDeductResponse", result)
+        channel?.invokeMethod("onWXOpenBusinessWebviewResponse", result)
     }
 }
\ No newline at end of file

ios/Classes/FluwxPlugin.m

@@ -46,6 +46,8 @@ BOOL handleOpenURLByFluwx = YES;
         result(@([WXApi openWXApp]));
     } else if ([@"payWithFluwx" isEqualToString:call.method]) {
         [self handlePayment:call result:result];
+    } else if ([@"payWithHongKongWallet" isEqualToString:call.method]) {
+        [self handleHongKongWalletPayment:call result:result];
     } else if ([@"launchMiniProgram" isEqualToString:call.method]) {
         [self handleLaunchMiniProgram:call result:result];
     } else if ([@"subscribeMsg" isEqualToString:call.method]) {
@@ -109,6 +111,19 @@ BOOL handleOpenURLByFluwx = YES;
             }];
 }
 
+- (void)handleHongKongWalletPayment:(FlutterMethodCall *)call result:(FlutterResult)result {
+    NSString *partnerId = call.arguments[@"prepayId"];
+    
+    WXOpenBusinessWebViewReq *req = [[WXOpenBusinessWebViewReq alloc] init];
+    req.businessType = 1;
+    NSMutableDictionary *queryInfoDic = [NSMutableDictionary dictionary];
+    [queryInfoDic setObject:partnerId forKey:@"token"];
+    req.queryInfoDic = queryInfoDic;
+    [WXApi sendReq:req completion:^(BOOL done) {
+        result(@(done));
+    }];
+}
+
 - (void)handleLaunchMiniProgram:(FlutterMethodCall *)call result:(FlutterResult)result {
     NSString *userName = call.arguments[@"userName"];
     NSString *path = call.arguments[@"path"];
@@ -161,7 +176,6 @@ BOOL handleOpenURLByFluwx = YES;
     }];
 }
 
-
 - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
     return [WXApi handleOpenURL:url delegate:[FluwxResponseHandler defaultManager]];
 }

ios/Classes/FluwxResponseHandler.m

@@ -188,7 +188,7 @@ FlutterMethodChannel *fluwxMethodChannel = nil;
                 @"businessType": @(businessResp.businessType),
         };
 
-        [fluwxMethodChannel invokeMethod:@"onAutoDeductResponse" arguments:result];
+        [fluwxMethodChannel invokeMethod:@"onWXOpenBusinessWebviewResponse" arguments:result];
     }
 }
 

lib/src/fluwx_iml.dart

@@ -145,6 +145,14 @@ Future<bool> payWithWeChat(
   });
 }
 
+/// request Hong Kong Wallet payment with WeChat.
+/// Read the official document for more detail.
+Future<bool> payWithWeChatHongKongWallet({@required String prepayId}) async {
+  return await _channel.invokeMethod("payWithHongKongWallet", {
+    "prepayId": prepayId,
+  });
+}
+
 /// subscribe WeChat message
 Future<bool> subscribeWeChatMsg({
   @required String appId,

lib/src/response/wechat_response.dart

@@ -32,8 +32,8 @@ Map<String, _WeChatResponseInvoker> _nameAndResponseMapper = {
   "onPayResponse": (Map argument) => WeChatPaymentResponse.fromMap(argument),
   "onSubscribeMsgResp": (Map argument) =>
       WeChatSubscribeMsgResponse.fromMap(argument),
-  "onAutoDeductResponse": (Map argument) =>
-      WeChatAutoDeductResponse.fromMap(argument),
+  "onWXOpenBusinessWebviewResponse": (Map argument) =>
+      WeChatOpenBusinessWebviewResponse.fromMap(argument),
   "onAuthByQRCodeFinished": (Map argument) =>
       WeChatAuthByQRCodeFinishedResponse.fromMap(argument),
   "onAuthGotQRCode": (Map argument) =>
@@ -134,13 +134,27 @@ class WeChatSubscribeMsgResponse extends BaseWeChatResponse {
         super._(map[_errCode], map[_errStr]);
 }
 
-class WeChatAutoDeductResponse extends BaseWeChatResponse {
+class WeChatPayWithHongKongWalletResponse extends BaseWeChatResponse {
   final int type;
   final int errCode;
   final int businessType;
   final String resultInfo;
 
-  WeChatAutoDeductResponse.fromMap(Map map)
+  WeChatPayWithHongKongWalletResponse.fromMap(Map map)
+      : type = map["type"],
+        errCode = map[_errCode],
+        businessType = map["businessType"],
+        resultInfo = map["resultInfo"],
+        super._(map[_errCode], map[_errStr]);
+}
+
+class WeChatOpenBusinessWebviewResponse extends BaseWeChatResponse {
+  final int type;
+  final int errCode;
+  final int businessType;
+  final String resultInfo;
+
+  WeChatOpenBusinessWebviewResponse.fromMap(Map map)
       : type = map["type"],
         errCode = map[_errCode],
         businessType = map["businessType"],

test/response/wechat_response_test.dart

@@ -105,8 +105,8 @@ void main() {
         "businessType": 2,
         "resultInfo": "resultInfo"
       });
-      expect(response is WeChatAutoDeductResponse, true);
-      var casted = response as WeChatAutoDeductResponse;
+      expect(response is WeChatOpenBusinessWebviewResponse, true);
+      var casted = response as WeChatOpenBusinessWebviewResponse;
       assert(casted.isSuccessful);
       expect(casted.type, 1);
       expect(casted.errCode, 0);