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ButtonOnKeyboard
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ButtonOnKeyboard
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# ButtonOnKeyboard [](https://travis-ci.org/magicmon/ButtonOnKeyboard) [](https://cocoapods.org/pods/ButtonOnKeyboard) [](http://mit-license.org) [](https://developer.apple.com/resources/) [](https://developer.apple.com/swift) "ButtonOnKeyboard" is used when the button position must change depending on the keyboard. Available in both basic and notch designs. It is also available for UIButton, as well as UIView. ## Getting Started In viewDidLoad(), stores the default size of the button. ```swift button.bk_defaultButtonHeight = 50 // example size. ``` Whenever the keyboard state changes, it calls button.bk_onKeyboard(). If UITextField is not visible by UIButton, add the scrollView parameter to "bk_onKeyboard()". ```swift button.bk_onKeyboard(keyboardHeight: height) or button.bk_onKeyboard(scrollView: scrollView, keyboardHeight: height) ``` ### Demo   ### Example ```swift override func viewDidLoad() { super.viewDidLoad() NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(_:)), name: UIResponder.keyboardWillShowNotification, object: nil) NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(_:)), name: UIResponder.keyboardWillHideNotification, object: nil) button.bk_defaultButtonHeight = buttonHeightConstraint.constant // Stores the default size of the button. } @objc func keyboardWillShow(_ notification: Notification) { var visibleHeight: CGFloat = 0 if let userInfo = notification.userInfo { if let windowFrame = UIApplication.shared.keyWindow?.frame, let keyboardRect = (userInfo[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue { visibleHeight = windowFrame.intersection(keyboardRect).height } } updateButtonLayout(height: visibleHeight) } @objc func keyboardWillHide(_ notification: Notification) { updateButtonLayout(height: 0) } func updateButtonLayout(height: CGFloat) { button.bk_onKeyboard(scrollView: scrollView, keyboardHeight: height) } ``` ## Requirements * Swift 5.0 * iOS 11.0+ ## Example To run the example project, clone the repo, and run `pod install` from the Example directory first. ## Requirements ## Installation ButtonOnKeyboard is available through [CocoaPods](https://cocoapods.org). To install it, simply add the following line to your Podfile: ```ruby pod 'ButtonOnKeyboard' ``` ## Author magicmon, sagun25si@gmail.com ## License ButtonOnKeyboard is available under the MIT license. See the LICENSE file for more info.
