add sendAuthRequestScope

ios/Classes/handler/FluwxAuthHandler.m

@@ -19,9 +19,8 @@
 - (void)handleAuth:(FlutterMethodCall *)call result:(FlutterResult)result {
     NSString *openId = call.arguments[@"openId"];
 
-      [WXApiRequestHandler sendAuthRequestScope:call.arguments[@"scope"]
-                                          State:call.arguments[@"state"]
-                                         OpenID:(openId == (id) [NSNull null]) ?nil:openId
-                                              InViewController:nil];
+    [WXApiRequestHandler sendAuthRequestScope:call.arguments[@"scope"]
+                                        State:call.arguments[@"state"]
+                                       OpenID:(openId == (id) [NSNull null]) ? nil : openId];
 }
 @end
\ No newline at end of file

ios/Classes/wechat/WXApiRequestHandler.h

@@ -102,6 +102,11 @@
                       OpenID:(NSString *)openID
             InViewController:(UIViewController *)viewController;
 
++ (BOOL)sendAuthRequestScope:(NSString *)scope
+                       State:(NSString *)state
+                      OpenID:(NSString *)openID;
+
+
 + (BOOL)openProfileWithAppID:(NSString *)appID
                  Description:(NSString *)description
                     UserName:(NSString *)userName

ios/Classes/wechat/WXApiRequestHandler.m

@@ -321,6 +321,18 @@
                      delegate:[FluwxResponseHandler responseHandler]];
 }
 
++ (BOOL)sendAuthRequestScope:(NSString *)scope
+                       State:(NSString *)state
+                      OpenID:(NSString *)openID
+             {
+    SendAuthReq *req = [[SendAuthReq alloc] init];
+    req.scope = scope; // @"post_timeline,sns"
+    req.state = state;
+    req.openID = openID;
+
+    return [WXApi sendReq:req];
+}
+
 + (BOOL)openProfileWithAppID:(NSString *)appID
                  Description:(NSString *)description
                     UserName:(NSString *)userName