fix:crashed when send reponse back on iOS

example/ios/Runner/AppDelegate.m

@@ -17,6 +17,17 @@
 }
 
 
+- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
+  return [WXApi handleOpenURL:url delegate:[FluwxResponseHandler responseHandler]];
+}
+// NOTE: 9.0以后使用新API接口
+- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<NSString*, id> *)options
+{
+  return [WXApi handleOpenURL:url delegate:[FluwxResponseHandler responseHandler]];
+}
+
+
+
 - (void)applicationWillResignActive:(UIApplication *)application {
 
 }

example/lib/pay_page.dart

@@ -54,7 +54,9 @@ class _PayPageState extends State<PayPage> {
                   timeStamp: result['timestamp'].toString(),
                   sign: result['sign'].toString(),
                 ),
-              );
+              ).then((data){
+                print("---》$data");
+              });
             },
             child: const Text("pay"),
           ),

example/lib/share_text_image.dart

@@ -15,6 +15,9 @@ class _ShareTextPageState extends State<ShareTextPage> {
   void initState() {
     super.initState();
     fluwx = new Fluwx();
+    fluwx.response.listen((data){
+      print(data.toString());
+    });
   }
 
   @override
@@ -84,7 +87,9 @@ class _ShareTextPageState extends State<ShareTextPage> {
     fluwx.share(WeChatShareTextModel(
         text: _text,
         transaction: "text${DateTime.now().millisecondsSinceEpoch}",
-        scene: scene));
+        scene: scene)).then((data){
+          print(data);
+    });
 
 //    fluwx.sendAuth(WeChatSendAuthModel(scope: "snsapi_userinfo",state: "wechat_sdk_demo_test"));
   }

ios/Classes/FluwxPlugin.m

@@ -12,6 +12,10 @@
 
 BOOL isWeChatRegistered = NO;
 
+- (void)dealloc
+{
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
 
 + (void)registerWithRegistrar:(NSObject <FlutterPluginRegistrar> *)registrar {
     FlutterMethodChannel *channel = [FlutterMethodChannel
@@ -31,12 +35,16 @@ BOOL isWeChatRegistered = NO;
         _fluwxShareHandler = [[FluwxShareHandler alloc] initWithRegistrar:registrar];
         _fluwxAuthHandler = [[FluwxAuthHandler alloc] initWithRegistrar:registrar];
         _fluwxWXApiHandler = [[FluwxWXApiHandler alloc] init];
-        _fluwxPaymentHandler = [[FluwxPaymentHandler alloc] init];
+        _fluwxPaymentHandler = [[FluwxPaymentHandler alloc] initWithRegistrar:registrar];
+
     }
 
     return self;
 }
 
+
+
+
 - (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result {
 
 

ios/Classes/handler/FluwxPaymentHandler.m

@@ -6,7 +6,7 @@
 
 
 @implementation FluwxPaymentHandler
-- (instancetype)initWithRegistrar {
+- (instancetype)initWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
     self = [super init];
 
     return self;
@@ -29,7 +29,7 @@
     NSString *nonceStr = call.arguments[@"nonceStr"];
     UInt32 timeStamp = (UInt32) call.arguments[@"timeStamp"];
     NSString *sign = call.arguments[@"sign"];
-    BOOL done = [WXApiRequestHandler sendPayment:@""
+    BOOL done = [WXApiRequestHandler sendPayment:call.arguments[@"appId"]
                                        PartnerId:partnerId
                                         PrepayId:prepayId
                                         NonceStr:nonceStr

ios/Classes/helper/StringUtil.h

@@ -7,4 +7,5 @@
 
 @interface StringUtil : NSObject
 + (BOOL) isBlank:(NSString *)string;
++ (NSString *) nilToEmpty:(NSString *) string;
 @end
\ No newline at end of file

ios/Classes/helper/StringUtil.m

@@ -25,4 +25,7 @@
 
 }
 
+- (NSString *)nilToEmpty:(NSString *)string {
+    return string == nil?@"":string;
+}
 @end
\ No newline at end of file

ios/Classes/wechat/FluwxResponseHandler.h

@@ -10,6 +10,7 @@
 #import <Flutter/Flutter.h>
 #import "FluwxKeys.h"
 #import "WXApi.h"
+#import "StringUtil.h"
 
 @protocol WXApiManagerDelegate <NSObject>
 

ios/Classes/wechat/FluwxResponseHandler.m

@@ -36,7 +36,6 @@ FlutterMethodChannel *methodChannel = nil;
 }
 
 #pragma mark - WXApiDelegate
-
 - (void)onResp:(BaseResp *)resp {
     if ([resp isKindOfClass:[SendMessageToWXResp class]]) {
         if (_delegate
@@ -46,14 +45,19 @@ FlutterMethodChannel *methodChannel = nil;
 //            @{fluwxKeyPlatform: fluwxKeyIOS, fluwxKeyResult: @(done)}
         }
 
+
         SendMessageToWXResp *messageResp = (SendMessageToWXResp *) resp;
+
+
+
+
         NSDictionary *result = @{
-                description: messageResp.description,
-                errStr: messageResp.errStr,
+                description: messageResp.description == nil ?@"":messageResp.description,
+                errStr: messageResp.errStr == nil ? @"":messageResp.errStr,
                 errCode: @(messageResp.errCode),
-                type: @(messageResp.type),
-                country: messageResp.country,
-                lang: messageResp.lang,
+                type: messageResp.type == nil ? @2 :@(messageResp.type),
+                country: messageResp.country== nil ? @"":messageResp.country,
+                lang: messageResp.lang  == nil ? @"":messageResp.lang,
                 fluwxKeyPlatform: fluwxKeyIOS
         };
         [methodChannel invokeMethod:@"onShareResponse" arguments:result];
@@ -70,15 +74,15 @@ FlutterMethodChannel *methodChannel = nil;
 
         SendAuthResp *authResp = (SendAuthResp *) resp;
         NSDictionary *result = @{
-                description: authResp.description,
-                errStr: authResp.errStr,
+                description: authResp.description == nil ?@"":authResp.description,
+                errStr: authResp.errStr == nil ?@"":authResp.errStr,
                 errCode: @(authResp.errCode),
-                type: @(authResp.type),
-                country: authResp.country,
-                lang: authResp.lang,
+                type: authResp.type == nil ?@1:@(authResp.type),
+                country: authResp.country == nil? @"":authResp.country,
+                lang: authResp.lang == nil?@"":authResp.lang,
                 fluwxKeyPlatform: fluwxKeyIOS,
-                @"code":authResp.code,
-                @"state":authResp.state
+                @"code":[StringUtil nilToEmpty:authResp.code],
+                @"state": [StringUtil nilToEmpty:authResp.state]
 
         };
         [methodChannel invokeMethod:@"onAuthResponse" arguments:result];
@@ -131,10 +135,10 @@ FlutterMethodChannel *methodChannel = nil;
         PayResp *payResp = (PayResp *) resp;
 
         NSDictionary *result = @{
-                description: payResp.description,
-                errStr: payResp.errStr,
+                description:[StringUtil nilToEmpty:payResp.description] ,
+                errStr: [StringUtil nilToEmpty:resp.errStr],
                 errCode: @(payResp.errCode),
-                type: @(payResp.type),
+                type: payResp.type == nil ?@5:@(payResp.type),
                 fluwxKeyPlatform: fluwxKeyIOS,
         };
         [methodChannel invokeMethod:@"onAuthResponse" arguments:result];

ios/Classes/wechat/WXApiRequestHandler.m

@@ -382,6 +382,7 @@
 + (BOOL)sendPayment:(NSString *)appId PartnerId:(NSString *)partnerId PrepayId:(NSString *)prepayId NonceStr:(NSString *)nonceStr Timestamp:(UInt32)timestamp Package:(NSString *)package Sign:(NSString *)sign {
 
     PayReq *req = [[PayReq alloc] init];
+    req.openID = (appId == (id) [NSNull null]) ? nil : appId;
     req.partnerId = partnerId;
     req.prepayId = prepayId;
     req.nonceStr = nonceStr;