Barbuttons 正在离开位置

Question

在我出示 uialertcontroller 之前一切都很好。当我展示它时，barbutton 正在从他们的位置向下移动。

Before presenting,everything was fine with barbuttons

When i present an alert,you can see the UIBarButtonItems are off their position

用于创建 barbuttonitems::

的代码

let editBtn:UIBarButtonItem = UIBarButtonItem(image: UIImage(named: IMAGE_EDIT_ICON), style: .plain, target: self, action: #selector(handleEditAction))
self.navigationItem.rightBarButtonItem = editBtn

呈现UIAlertControlelr如下：

let alertController = UIAlertController(title: "Reset Password", message: "Please enter current password and create new password", preferredStyle: .alert)
   let okAction =  UIAlertAction(title: "Confirm", style: .default, handler: { [weak alertController] (_) in
   })


let cancelAction = UIAlertAction(title: "Cancel", style: .default) { (_) in }


alertController.addAction(cancelAction)
alertController.addAction(okAction)



okAction.isEnabled = false


alertController.addTextField { (textField) in
    textField.placeholder = "Current Password"
    }


}
alertController.addTextField { (textField) in
    textField.placeholder = "New Password"
    }


}
alertController.addTextField { (textField) in
    textField.placeholder = "Confirm Password"
    textField.isSecureTextEntry = true
    NotificationCenter.default.addObserver(forName: NSNotification.Name.UITextFieldTextDidChange, object:textField,
                                           queue: OperationQueue.main) {
                                            (notification) -> Void in
                                            self.validateResetPassword(alertController: alertController,okAction: okAction)
    }



}

self.present(alertController, animated: true, completion: nil)

谁能帮我解决这个问题。提前致谢

Answer 1

按如下所示替换您的栏按钮：

let barButton =    UIBarButtonItem(image: UIImage(named: "imageName"), style: .plain, target: self, action: #selector(self.YourSelectorTarget))

Answer 2

我建议您使用 Interface Builder(IB) 来设置 UIBarButtonItems。也可以通过IB设置图片，也可以通过代码设置。

在界面生成器上设置 UIBarButtonItem
使用代码：

-

let editBtn:UIBarButtonItem = UIBarButtonItem(image: UIImage(named: IMAGE_EDIT_ICON), style: .plain, target: self, action:#selector(handleEditAction)) self.navigationItem.rightBarButtonItem = editBtn

Barbuttons 正在离开位置

Barbuttons are moving off the position

uinavigationbar

uibarbuttonitem

ios

swift

uialertcontroller