Следующий код получает высоту клавиатуры при отображении клавиатуры и перемещает кнопку на высоте клавиатуры. экраны? < /p>
import SwiftUI
struct ContentView: View {
@ObservedObject private var keyboard = KeyboardResponder()
var body: some View {
NavigationView {
VStack {
Text("ContentView")
Spacer()
NavigationLink(destination: SecondContentView()) {
Text("Next")
}
.offset(x: 0, y: -keyboard.currentHeight)
}
}
}
}
import SwiftUI
struct SecondContentView: View {
@ObservedObject private var keyboard = KeyboardResponder()
var body: some View {
VStack {
Text("SubContentView")
Spacer()
NavigationLink(destination: ThirdContentView()) {
Text("Next")
}
.offset(x: 0, y: -keyboard.currentHeight)
}
}
}
class KeyboardResponder: ObservableObject {
private var _center: NotificationCenter
@Published var currentHeight: CGFloat = 0
init(center: NotificationCenter = .default) {
_center = center
_center.addObserver(self, selector: #selector(keyBoardWillShow(notification:)), name: UIResponder.keyboardWillShowNotification, object: nil)
_center.addObserver(self, selector: #selector(keyBoardWillHide(notification:)), name: UIResponder.keyboardWillHideNotification, object: nil)
}
deinit {
_center.removeObserver(self)
}
@objc func keyBoardWillShow(notification: Notification) {
if let keyboardSize = (notification.userInfo?[UIResponder.keyboardFrameBeginUserInfoKey] as? NSValue)?.cgRectValue {
currentHeight = keyboardSize.height
}
}
@objc func keyBoardWillHide(notification: Notification) {
currentHeight = 0
}
}
Подробнее здесь: https://stackoverflow.com/questions/577 ... ve-the-but