Skip to content

[ios]add keyboard frame change observe #13

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
zhengbomo wants to merge 1 commit into
base: main
Choose a base branch
from
Open

[ios]add keyboard frame change observe #13

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 9 additions & 0 deletions ios/Classes/KeyboardHeightPlugin.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,11 +26,13 @@ public class KeyboardHeightPlugin: NSObject, FlutterPlugin, FlutterStreamHandler
private func registerKeyboardObservers() {
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(notification:)), name: UIResponder.keyboardWillShowNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(notification:)), name: UIResponder.keyboardWillHideNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillChangeFrame(notification:)), name: UIResponder.keyboardWillChangeFrameNotification, object: nil)
}

private func unregisterKeyboardObservers() {
NotificationCenter.default.removeObserver(self, name: UIResponder.keyboardWillShowNotification, object: nil)
NotificationCenter.default.removeObserver(self, name: UIResponder.keyboardWillHideNotification, object: nil)
NotificationCenter.default.removeObserver(self, name: UIResponder.keyboardWillChangeFrameNotification, object: nil)
}

@objc private func keyboardWillShow(notification: NSNotification) {
Expand All @@ -43,5 +45,12 @@ public class KeyboardHeightPlugin: NSObject, FlutterPlugin, FlutterStreamHandler
@objc private func keyboardWillHide(notification: NSNotification) {
eventSink?(NSNumber(value: 0.0))
}

@objc private func keyboardWillChangeFrame(notification: NSNotification) {
if let userInfo = notification.userInfo,
let keyboardFrame = userInfo[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect {
eventSink?(NSNumber(value: keyboardFrame.height))
}
}
}