facebook unity sdk 7.0.2-重新打开应用程序时FB.IsLoggedIn返回false，但仍应登录 [英] facebook unity sdk 7.0.2 - FB.IsLoggedIn returns false when you reopen the app but should still be logged in

问题描述

在升级到Unity FB SDK的7.X版本之前，FB.IsLoggedIn将在FB.Init之后返回true.现在，它返回false，每次您都必须重新登录.

Prior to upgrading to the 7.X version of the Unity FB SDK, FB.IsLoggedIn would return true after FB.Init. Now, it is returning false and you have to do a new login every time.

这似乎是个错误.

我正在使用Unity 5.1.1p4，并正在为Android进行构建.我还没有尝试过iOS.

I'm on Unity 5.1.1p4 and building for Android. I haven't tried iOS yet.

复制步骤:

1. 启动应用，登录FB
2. 关闭应用
3. 再次启动应用程序，您将不会自动登录到FB(FB.IsLoggedIn为false)

预期行为:

如果您以前登录过，FB.IsLoggedIn应该为true.这是以前的工作方式.

FB.IsLoggedIn should be true if you were previously logged in. This is how it worked before.

推荐答案

在 FBUnityInterface.mm 中:

1. 添加到-(id)init :

[[FBSDKApplicationDelegate sharedInstance] application:[UIApplication sharedApplication] didFinishLaunchingWithOptions:NULL];

替换为-(void)configureAppId :

[FBUnityUtility sendMessageToUnity:FBUnityMessageName_OnInitComplete userData:@{} requestId:0];

具有:

if ([FBSDKAccessToken currentAccessToken]) {
    FBSDKAccessToken *token = [FBSDKAccessToken currentAccessToken];
    NSInteger expiration = token.expirationDate.timeIntervalSince1970;
    [FBUnityUtility sendMessageToUnity:FBUnityMessageName_OnInitComplete
                              userData:@{
                                         @"opened" : @"true",
                                         @"access_token" : [FBSDKAccessToken currentAccessToken].tokenString,
                                         @"expiration_timestamp" : [@(expiration) stringValue],
                                         @"user_id" : [FBSDKAccessToken currentAccessToken].userID,
                                         @"permissions" : [token.permissions allObjects],
                                         }
                             requestId:0];
    return;
} else {
    [FBUnityUtility sendErrorToUnity:FBUnityMessageName_OnInitComplete errorMessage:@"Unknown login error" requestId:0];
}

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