添加与UITextViews一起使用的键盘的第二个UIToolBar
我目前有一个工作UIToolbar
当我使用UITextField
时在键盘上方放置额外的按钮,但我想要制作第二个UIToolbar
类型的UITextView
以上。当我试图复制我的代码并将其修改为我想要的样子时,它完全不显示。我不确定自己是否做错了什么,或者是否与我使用的NotificationCenter
和addObserver
有关。仅供参考,如果需要,整个班级被称为AddRecipeDirectionVC: UIViewController, UITextViewDelegate
。添加与UITextViews一起使用的键盘的第二个UIToolBar
因此,这里是观察者码我添加到我的viewDidLoad
override func viewDidLoad() {
super.viewDidLoad()
//...Other Code...
NotificationCenter.default.addObserver(self, selector: #selector(AddRecipeDirectionVC.keyboardWillShow(notification:)), name: NSNotification.Name.UIKeyboardWillShow, object: nil)
}
本来,我以为我不得不添加每个UIViewController
这名观察员,但我开始觉得这个代码我使用可能只是放在最初的VC,它会执行该项目的其余部分(目前,我使用的代码在任何VC,我要添加工具栏)
接下来,我有textViewDidBeginEditing
功能,我认为键盘工具栏正在被添加。
func textViewDidBeginEditing(_ textView: UITextView) {
if (textView.textColor == UIColor.lightGray) {
textView.text = nil
textView.textColor = UIColor.black
}
self.keyboardToolbar(textView: textView) //Adding Keyboard
}
然后终于,我有keyboardWillShow
和keyboardToolbar
功能
func keyboardWillShow(notification: Notification) {
let keyFrame = ((notification as NSNotification).userInfo![UIKeyboardFrameBeginUserInfoKey] as! NSValue).cgRectValue
let keyHeight = keyFrame.size.height
self.bottomSpace.constant = keyHeight + 12
}
func keyboardToolbar(textView: UITextView) {
let toolbar: UIToolbar = UIToolbar(frame: CGRect(x: 0, y: 0, width: 1, height: 1))
toolbar.barStyle = UIBarStyle.default
toolbar.bounds.size.height = 28
let flexSpace = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
let done: UIBarButtonItem = UIBarButtonItem(image: #imageLiteral(resourceName: "Done Check"), style: UIBarButtonItemStyle.done, target: self, action: #selector(AddRecipeIngredientVC.doneButtonAction))
done.tintColor = UIColor.aqua(alpha: 1.0)
let clear: UIBarButtonItem = UIBarButtonItem(title: "Clear", style: UIBarButtonItemStyle.plain, target: self, action: #selector(AddRecipeDirectionVC.clearButtonAction))
clear.tintColor = UIColor.darkAqua(alpha: 1)
var items = [UIBarButtonItem]()
items.append(clear)
items.append(flexSpace)
items.append(done)
toolbar.items = items
toolbar.sizeToFit()
textView.inputAccessoryView = toolbar }
func doneButtonAction() {
self.directionText.resignFirstResponder()
self.bottomSpace.constant = 12
}
func clearButtonAction() {
directionText.text = ""
}
至于我可以告诉大家,我做的一切一样,在其他VC的,所以它看起来像它应该正在工作,但没有任何表现。让我知道是否需要添加任何其他代码。
谢谢你在先进的任何帮助,任何人都可以给我:)
多的谷歌搜索后,我发现了keyboardToolbar
代码必须放在textViewShouldBeginEditing
不textViewDidBeginEditing
。据我所知,UITextView
布局已经设置,一旦它达到textViewDidBeginEditing
,因此我没有看到它的原因。这是我最终使用的代码完成了这项工作。除了下面显示的内容外,其他所有内容都相同。
func textViewShouldBeginEditing(_ textView: UITextView) -> Bool {
self.keyboardToolbar(textView: textView)
return true
}
func textViewDidBeginEditing(_ textView: UITextView) {
if (textView.textColor == UIColor.lightGray) {
textView.text = nil
textView.textColor = UIColor.black
}
}
试试这个代码
func keyboardToolbar(textView: UITextView) {
let toolbar: UIToolbar = UIToolbar(frame: CGRect(x: 0, y: 0, width: 1, height: 1))
toolbar.barStyle = UIBarStyle.default
toolbar.bounds.size.height = 28
let flexSpace = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil)
let done: UIBarButtonItem = UIBarButtonItem(title: "done", style: UIBarButtonItemStyle.done, target: self, action: #selector(self.doneButtonActionn))
done.tintColor = UIColor.red
let clear: UIBarButtonItem = UIBarButtonItem(title: "Clear", style: UIBarButtonItemStyle.plain, target: self, action: #selector(self.doneButtonAction))
clear.tintColor = UIColor.black
var items = [UIBarButtonItem]()
items.append(clear)
items.append(flexSpace)
items.append(done)
toolbar.items = items
toolbar.sizeToFit()
textView.inputAccessoryView = toolbar
}
func doneButtonAction() {
self.bodyTextView.resignFirstResponder()
//self.bottomSpace.constant = 12
}
func doneButtonActionn() {
self.bodyTextView.resignFirstResponder()
//self.bottomSpace.constant = 12
}
func textViewShouldBeginEditing(_ textView: UITextView) -> Bool {
self.keyboardToolbar(textView: textView)
return true
}