objective-c 由于模拟器错误，退回到从 NSUserDefaults 加载访问令牌
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Falling back to loading access token from NSUserDefaults because of simulator bug
提问by Ramkumar
Xcode log show the above error while running in Xcode 8.1, ios 10.1. Is there any problem or should I ignore and continue?
在 Xcode 8.1、ios 10.1 中运行时，Xcode 日志显示上述错误。有什么问题还是我应该忽略并继续？
回答by ibtokin
I have this problem, too. It seems to be caused by an the Facebook SDK's Login Access Token. It caches just fine on a real device, but not on the simulators. Try running the app from a physical device.
我也有这个问题。这似乎是由 Facebook SDK 的登录访问令牌引起的。它在真实设备上缓存得很好，但不能在模拟器上缓存。尝试从物理设备运行该应用程序。
回答by Jorn van Dijk
You can ignore this warning, it's hard coded in the FacebookSDK when using the iOS Simulator. The SDK does contain a bug though which prevents the simulator from caching the access token.
您可以忽略此警告，它在使用 iOS 模拟器时在 FacebookSDK 中进行了硬编码。SDK 确实包含一个错误，该错误会阻止模拟器缓存访问令牌。
You can fix this by adding the following line:
您可以通过添加以下行来解决此问题：
key = [NSString stringWithFormat:@"%@_fix", key];
key = [NSString stringWithFormat:@"%@_fix", key];
in FBSDKKeychainStore.m:94and FBSDKKeychainStore.m:135just before:
在FBSDKKeychainStore.m:94和FBSDKKeychainStore.m:135之前：
[[NSUserDefaults standardUserDefaults] setObject:value forKey:key];
[[NSUserDefaults standardUserDefaults] setObject:value forKey:key];
回答by Nghi Nguyen
I had the same problem.
I tried to run in real device and this show error with OAuth Login
Then I just turn OAuth Login on and everything works well
我有同样的问题。我尝试在真实设备中运行，并且 OAuth 登录显示错误然后我打开 OAuth 登录，一切正常
