UIKeyboard 1.0

UIKeyboard 1.0

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Maintained by Yurii Lysytsia.

UIKeyboard 1.0

  • By
  • YuriFox

UIKeyboard

platform language language license

Requirements

  • iOS 8.0+
  • Xcode 9.0+
  • Swift 4.0+

Installation

Cocoa pods

To integrate UIKeyboard into your Xcode project using CocoaPods, create Podfile. Run the following command in root folder of your project:

$ pod init

In the Podfile that appears, specify:

platform :ios, ‘8.0’

target '<Your Target Name>' do
    use_frameworks!
    pod 'UIKeyboard'
end

Then, run the following command:

$ pod install

Usage

  1. By default UIViewController have UIKeyboard property with keyboard name which notify about keyboard appearance changes
class UIKeyboardViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // Default UIViewController keyboard property
        self.keyboard
        
    }
    
}
  1. You can use UIKeyboard observers with closure or(and) delegate. Choose a method that is more convenient for you.
  • with UIKeyboardDelegate:
extension UIKeyboardViewController: UIKeyboardDelegate {

    func keyboardWillShow(with info: UIKeyboard.Info) {
        // Posted immediately prior to the display of the keyboard
    }

    func keyboardDidShow(with info: UIKeyboard.Info) {
        // Posted immediately after the display of the keyboard.
    }

    func keyboardWillHide(with info: UIKeyboard.Info) {
        // Posted immediately prior to the dismissal of the keyboard.
    }

    func keyboardDidHide(with info: UIKeyboard.Info) {
        // Posted immediately after the dismissal of the keyboard.
    }

}
  • with closures
class UIKeyboardViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        self.keyboard.willShow { (info) in
            // Posted immediately prior to the display of the keyboard
        }

        self.keyboard.didShow { (info) in
            // Posted immediately after the display of the keyboard.
        }

        self.keyboard.willHide { (info) in
            // Posted immediately prior to the dismissal of the keyboard.
        }

        self.keyboard.didHide { (info) in
            // Posted immediately after the dismissal of the keyboard.
        }

    }

}
  1. UIKeyboard.Info have next properties:
/// Rect that identifies the ending frame rectangle of the keyboard in screen coordinates. The frame rectangle reflects the current orientation of the device.
public let frame: CGRect

/// Time interval that identifies the duration of the animation in seconds.
public let animationDuration: TimeInterval

/// Animation curve constant that defines how the keyboard will be animated onto or off the screen.
public let animationCurve: UIView.AnimationCurve

/// Animation options constant that defines how the keyboard will be animated onto or off the screen.
public var animationOptions: UIView.AnimationOptions
  • Simple example of info usege for change scrollView content inset:
self.keyboard.willShow { (info) in
    UIView.animate(withDuration: info.animationDuration, delay: 0, options: info.animationOptions, animations: {
        self.scrollView.contentInset.bottom = info.frame.height
    }, completion: nil)
}

License

Released under the MIT license. See LICENSE for details.