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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| // | ||
| // KeyboardObserving.swift | ||
| // Passenger | ||
| // | ||
| // Created by Neil Bakhle on 2020-08-31. | ||
| // Copyright © 2020 Neil. All rights reserved. | ||
| // | ||
|
|
||
| import SwiftUI | ||
|
|
||
| #if os(iOS) | ||
| struct KeyboardObserving: ViewModifier { | ||
|
|
||
| @State var keyboardHeight: CGFloat = 0 | ||
|
|
||
| @ViewBuilder | ||
| func body(content: Content) -> some View { | ||
| if #available(iOS 14.0, *) { | ||
| content | ||
| } else { | ||
| content | ||
| .padding([.bottom], keyboardHeight) | ||
| .edgesIgnoringSafeArea((keyboardHeight > 0) ? [.bottom] : []) | ||
| .onReceive( | ||
| NotificationCenter.default.publisher(for: UIResponder.keyboardWillChangeFrameNotification) | ||
| .receive(on: RunLoop.main), | ||
| perform: updateKeyboardHeight | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| func updateKeyboardHeight(_ notification: Notification) { | ||
| guard let info = notification.userInfo else { return } | ||
| // Get the duration of the keyboard animation | ||
| let keyboardAnimationDuration = (info[UIResponder.keyboardAnimationDurationUserInfoKey] as? Double) ?? 0.25 | ||
|
|
||
| guard let keyboardFrame = info[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else { return } | ||
| // If the top of the frame is at the bottom of the screen, set the height to 0. | ||
| withAnimation(.easeOut(duration: keyboardAnimationDuration)) { | ||
| if keyboardFrame.origin.y == UIScreen.main.bounds.height { | ||
| keyboardHeight = 0 | ||
| } else { | ||
| // IMPORTANT: This height will _include_ the SafeAreaInset height. | ||
| keyboardHeight = keyboardFrame.height | ||
| } | ||
| } | ||
| } | ||
| } | ||
| #endif | ||
|
|
||
| extension View { | ||
| func keyboardObserving() -> some View { | ||
| #if os(iOS) | ||
| return self.modifier(KeyboardObserving()) | ||
| #else | ||
| return self | ||
| #endif | ||
| } | ||
| } |
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