似乎无法解决此问题。我进入并删除了所有parse和fb SDK，然后下载了最新的解析和fb SDK并投入到项目中。
日志中仍然出现此错误。甚至不到fb屏幕。 如果你能提供帮助，下面是我的代码。我已经研究了这个问题的所有实例，但还没有解决。我错过了什么。
AppDelegate.swift：
导入UIKit 导入Parse 导入ParseFacebookUtilsV4 进口螺栓
//如果要使用任何UI组件，请取消注释此行 //导入ParseUI
//如果您要使用崩溃报告，请取消注释此行 //导入ParseCrashReporting
@UIApplicationMain class AppDelegate：UIResponder，UIApplicationDelegate {
var window: UIWindow?
//--------------------------------------
// MARK: - UIApplicationDelegate
//--------------------------------------
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
// Enable storing and querying data from Local Datastore.
// Remove this line if you don't want to use Local Datastore features or want to use cachePolicy.
Parse.enableLocalDatastore()
let parseConfiguration = ParseClientConfiguration(block: { (ParseMutableClientConfiguration) -> Void in
ParseMutableClientConfiguration.applicationId = "xxx"
ParseMutableClientConfiguration.clientKey = "xxx"
ParseMutableClientConfiguration.server = "https://yourapp.herokuapp.com/parse"
})
Parse.initializeWithConfiguration(parseConfiguration)
PFFacebookUtils.initializeFacebookWithApplicationLaunchOptions(launchOptions)
PFUser.enableAutomaticUser()
let defaultACL = PFACL();
// If you would like all objects to be private by default, remove this line.
defaultACL.publicReadAccess = true
PFACL.setDefaultACL(defaultACL, withAccessForCurrentUser:true)
if application.applicationState != UIApplicationState.Background {
// Track an app open here if we launch with a push, unless
// "content_available" was used to trigger a background push (introduced in iOS 7).
// In that case, we skip tracking here to avoid double counting the app-open.
let preBackgroundPush = !application.respondsToSelector("backgroundRefreshStatus")
let oldPushHandlerOnly = !self.respondsToSelector("application:didReceiveRemoteNotification:fetchCompletionHandler:")
var noPushPayload = false;
if let options = launchOptions {
noPushPayload = options[UIApplicationLaunchOptionsRemoteNotificationKey] != nil;
}
if (preBackgroundPush || oldPushHandlerOnly || noPushPayload) {
PFAnalytics.trackAppOpenedWithLaunchOptions(launchOptions)
}
}
if application.respondsToSelector("registerUserNotificationSettings:") {
let settings = UIUserNotificationSettings(forTypes: [.Alert, .Badge, .Sound], categories: nil)
application.registerUserNotificationSettings(settings)
application.registerForRemoteNotifications()
} else {
let types: UIRemoteNotificationType = [UIRemoteNotificationType.Badge, UIRemoteNotificationType.Alert, UIRemoteNotificationType.Sound]
application.registerForRemoteNotificationTypes(types)
}
return FBSDKApplicationDelegate.sharedInstance().application(application, didFinishLaunchingWithOptions: launchOptions)
}
//--------------------------------------
// MARK: Push Notifications
//--------------------------------------
func application(application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: NSData) {
let installation = PFInstallation.currentInstallation()
installation.setDeviceTokenFromData(deviceToken)
installation.saveInBackground()
PFPush.subscribeToChannelInBackground("") { (succeeded, error) in
if succeeded {
print("ParseStarterProject successfully subscribed to push notifications on the broadcast channel.");
} else {
print("ParseStarterProject failed to subscribe to push notifications on the broadcast channel with error = %@.", error)
}
}
}
func application(application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: NSError) {
if error.code == 3010 {
print("Push notifications are not supported in the iOS Simulator.")
} else {
print("application:didFailToRegisterForRemoteNotificationsWithError: %@", error)
}
}
func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject]) {
PFPush.handlePush(userInfo)
if application.applicationState == UIApplicationState.Inactive {
PFAnalytics.trackAppOpenedWithRemoteNotificationPayload(userInfo)
}
}
func application(application: UIApplication,
openURL url: NSURL,
sourceApplication: String?,
annotation: AnyObject) -> Bool {
return FBSDKApplicationDelegate.sharedInstance().application(application, openURL: url, sourceApplication: sourceApplication, annotation: annotation)
}
func applicationDidBecomeActive(application: UIApplication) {
FBSDKAppEvents.activateApp()
}
}
ViewController.swift：
导入UIKit 导入Parse 导入FBSDKCoreKit 导入FBSDKLoginKit 导入ParseFacebookUtilsV4
类ViewController：UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
// array of what we want to get from the fb user account
let permissions = ["public_profile"]
PFFacebookUtils.logInInBackgroundWithReadPermissions(permissions) {
(user: PFUser?, error: NSError?) -> Void in
if let error = error { // if error exists
print(error)
} else {
if let user = user { // if user exists
print(user)
}
}
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}