Question

我有两个注册选项，有一个选项，我有完美的主页，但如果我登录Facebook而不是下一个视图控制器完美但在那之后，如果我点击主页菜单的任何按钮，它给出例外。

'NSGenericException'，原因：'推送segues只能在源控制器由UINavigationController实例管理时使用。'“ 如果我从我注册的用户登录，我从我这边登记，那么它运作良好。

- (void)  loginButton:(FBSDKLoginButton *)loginButton
didCompleteWithResult:(FBSDKLoginManagerLoginResult *)result
                error:(NSError *)error
{
    FBSDKGraphRequest *request = [[FBSDKGraphRequest alloc]
                                  initWithGraphPath:@"/me"
                                  parameters:@{ @"fields": @"id,name,picture,email,gender"}
                                  HTTPMethod:@"GET"];
    [request startWithCompletionHandler:^(FBSDKGraphRequestConnection *connection, id result, NSError *error) {
        // Insert your code here
        NSLog(@"%@",result);
        if ([result isKindOfClass:[NSDictionary class]]) {
            NSDictionary* json = result;

            NSLog(@"email id is %@",[json valueForKey:@"email"]);
            NSLog(@"json is %@",json);

            [[NSUserDefaults standardUserDefaults] setValue:[json valueForKey:@"email"] forKey:@"fbemail"];

            name =[json objectForKey:@"name"];
            email =[json objectForKey:@"email"];
            gender=[json objectForKey:@"gender"];
            NSLog(@"name is %@",name);

            NSLog(@"emailp is %@",email);
            NSLog(@"gender is %@",gender);
            NSDictionary *pictureData  = [result valueForKey:@"picture"];
            NSDictionary *redata = [pictureData valueForKey:@"data"];
            _urlpicture = [redata valueForKey:@"url"];

            HomeViewController *pushWithSlot=[self.storyboard instantiateViewControllerWithIdentifier:@"HomeViewController"];

            pushWithSlot.geturl=_urlpicture;
            pushWithSlot.getname=name;
            pushWithSlot.getemail=email;
            pushWithSlot.getgender=gender;



            [self presentViewController:pushWithSlot  animated:YES
                             completion:nil];
        }
    }];

}

Answer 1

选择您的LoginViewController并转到XCode菜单 - ＆gt;的编辑 - ＆GT; 嵌入 - ＆gt; 导航控制器。

以上功能不起作用

将您的HomeViewController添加到现有导航控制器的堆栈中，而不是以模态方式呈现它

您需要将HomeViewController嵌入到另一个导航控制器中，然后从loginViewController以模态方式创建和呈现该导航控制器

另一种方式，HomeViewController需要嵌入导航控制器才能使用Push Segues

Facebook登录后提供异常，但在登录时使用注册表单，它在iOS

1 个答案: