我最近开始在我正在开发的应用程序中使用IQKeyboardManager,它确实工作得很好,除了一个小问题。出现键盘时,文本视图的高度会增加(这会使文本视图向上移动),我知道这一点是因为每次单击文本视图时,都会打印文本视图的高度。这是我的文本视图的代码:
// Setup text view
func setupTextView() {
// Placeholder text and color
startStoryTextView.textColor = .gray
startStoryTextView.text = "Type here"
startStoryTextView.backgroundColor = .red
// Add some padding to the text insde the text view
startStoryTextView.textContainerInset = UIEdgeInsets(top: 15, left: 10, bottom: 15, right: 10)
startStoryTextView.font = UIFont(name: "PatrickHand-Regular", size: 23)
startStoryTextView.layer.cornerRadius = 25
popUp.addSubview(startStoryTextView)
addTextViewConstraints()
}
// Add the constraints to the text view
func addTextViewConstraints() {
startStoryTextView.translatesAutoresizingMaskIntoConstraints = false
startStoryTextView.leadingAnchor.constraint(equalTo: popUp.leadingAnchor, constant: 3).isActive = true
startStoryTextView.trailingAnchor.constraint(equalTo: popUp.trailingAnchor, constant: -3).isActive = true
startStoryTextView.topAnchor.constraint(equalTo: popUp.topAnchor, constant: 3).isActive = true
//startStoryTextView.heightAnchor.constraint(equalToConstant: 589).isActive = true
startStoryTextView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor, constant: -70).isActive = true
}
// Add constraints to the pop up view
func addPopUpConstraints() {
popUp.translatesAutoresizingMaskIntoConstraints = false
popUp.widthAnchor.constraint(equalToConstant: view.frame.width).isActive = true
popUp.bottomAnchor.constraint(equalTo: view.bottomAnchor, constant: 10).isActive = true
popUp.topAnchor.constraint(equalTo: view.topAnchor, constant: 200).isActive = true
popUp.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
view.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
}
指定文本视图的高度可以解决此问题,但是当在具有不同分辨率的其他设备上使用该应用程序时,它将创建另一个问题。
// To print the height of the text view every time the user clicks on the text view
func textViewDidBeginEditing(_ textView: UITextView) {
print(startStoryTextView.frame.height)
}
最佳答案
不用担心,这是IQKeyboardManager
的功能,不是错误。
您使用IQKeyboardManager
,因为您希望当textViewDidBeginEditing
时textView上升。
源代码很清楚。
激活IQKeyboardManager
时,在IQKeyboardManager.swift中,调用override init() {
,override init() {
do registerAllNotifications
和registerAllNotifications
进行UITextField通知的注册。
NotificationCenter.default.addObserver(self, selector: #selector(self.keyboardWillShowDng(_:)), name: UIKeyboardWillShow, object: nil)
// ...
键盘已经显示。调整位置。
在方法
func optimizedAdjustPosition()()
中,高度改变您的代码很奇怪。
为什么
startStoryTextView.bottomAnchor
与view.safeAreaLayoutGuide.bottomAnchor
相关。startStoryTextView.bottomAnchor.constraint(equalTo:view.safeAreaLayoutGuide.bottomAnchor,常量:-70).isActive = true
由于
startStoryTextView.superView
是popUp
popUp.addSubview(startStoryTextView)
我认为这是代码错误。
IQKeyboardManager
无关。关于ios - 使用IQKeyboardManagers时UITextView的高度增加,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/56776991/