PFFacebookUtils -

Question

我正在遵循this教程来集成facebook登录和messenger。当我编译代码的第一部分时，我收到错误：

Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'You must initialize PFFacebookUtils with a call to +initializeFacebookWithApplicationLaunchOptions'

我遇到了多个线程，包括this one，但是这在我已经使用的新版本中已经修复了，因此不能应用于修复我的问题。

我连接了一个运行教程代码的按钮：

- (IBAction)loginWithFacebook:(id)sender
{
    // Set permissions required from the facebook user account
    NSArray *permissionsArray = @[ @"user_about_me", @"user_relationships", @"user_birthday", @"user_location"];

    // Login PFUser using Facebook
    [PFFacebookUtils logInInBackgroundWithReadPermissions:permissionsArray block:^(PFUser *user, NSError *error)
    {
        if (!user)
        {
            NSLog(@"Uh oh. The user cancelled the Facebook login.");
        }
        else if (user.isNew)
        {
            NSLog(@"User signed up and logged in through Facebook!");
        }
        else
        {
            NSLog(@"User logged in through Facebook!");
        }
    }];
}

另外，我的AppDelegate.m有：

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.

    [[FBSDKApplicationDelegate sharedInstance] application:application didFinishLaunchingWithOptions:launchOptions];


    return YES;
}

Answer 1

该指南没有提到使其工作所需的所有代码。Parse在他们的iOS Guide中确实有更多的信息。要具体解决此问题，请在didFinishLaunchingWithOptions方法中将FBSDKApplicationDelegate调用替换为以下内容：

[PFFacebookUtils initializeFacebookWithApplicationLaunchOptions:launchOptions];

Answer 2

我做了更多的研究，偶然发现了this问题。我把它和乔伊的答案结合起来，我让它起作用了。

首先，我替换了

[[FBSDKApplicationDelegate sharedInstance] application:application didFinishLaunchingWithOptions:launchOptions];

使用

[[FBSDKApplicationDelegate sharedInstance] application:application didFinishLaunchingWithOptions:launchOptions];

然后，我转到我的信息plist，将LSApplicationQueriesSchemes类型从字符串更改为字符串数组，并添加了项fbauth2