如何在Swift 4中将navigationItem.title更改为白色?
let uid = Auth.auth().currentUser?.uid
Database.database().reference().child("users").child(uid!).observeSingleEvent(of: .value, with: {(snapshot) in          
    if let dictionary = snapshot.value as? [String: AnyObject] {
        self.navigationItem.title = dictionary["name"] as? String
        self.navigationController?.navigationBar.prefersLargeTitles = true
    }
},withCancel: nil)发布于 2018-05-28 00:14:35
您可以使用以下命令更改标题颜色:
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor: UIColor.white]发布于 2018-05-29 16:18:10
self.navigationController?.navigationBar.tintColor = .whitehttps://stackoverflow.com/questions/50554081
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