在尝试了这里发布的大多数解决方案后,我仍然无法移动文本字段以在滚动视图中显示在键盘上方.
这些是我从Stackoverflow解决方案中获得的链接 : 链接1 链接2 链接3
我正在进行一个注册屏幕,当它出现时,键盘后面有一个字段.
这是我的代码:
class SignUpViewController: UIViewController, UITextFieldDelegate, UIScrollViewDelegate, UIPopoverPresentationControllerDelegate {
@IBOutlet var firstNameTextField: UITextField!
@IBOutlet var lastNameTextField: UITextField!
@IBOutlet var phoneNumberTextField: UITextField!
@IBOutlet var emailTextField: UITextField!
@IBOutlet var submitButton: UIButton!
@IBOutlet var professionButton: UIButton!
var scrollView: UIScrollView?
var activeTextField:UITextField? = UITextField()
override func viewDidLoad() {
super.viewDidLoad()
let notificationCenter = NSNotificationCenter.defaultCenter()
notificationCenter.addObserver(self, selector: #selector(SignUpViewController.keyboardWasShown(_:)), name: UIKeyboardWillShowNotification, object: nil)
notificationCenter.addObserver(self, selector: #selector(SignUpViewController.keyboardWillBeHidden(_:)), name: UIKeyboardWillHideNotification, object: nil)
scrollView = UIScrollView(frame: CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: …我正在使用Spring和Hibernate开发webapp.
表1:BaseTable
+------------+--------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+------------+--------------+------+-----+---------+----------------+
| Id | bigint(20) | NO | PRI | | auto_increment |
| Serial1 | varchar(255) | YES | | NULL | |
| Serial2 | varchar(255) | YES | | NULL | |
| ModelNum | varchar(255) | YES | | NULL | |
| ... | .... | .. | 0 | | |
+------------+--------------+------+-----+---------+----------------+
表2:DetailTable
+------------+--------------+------+-----+---------+----------------+
| Field | Type …