A class containing the actual dimensions of the iOS keyboard

Calculator.swift

class Calculator {
  /**
     @return height of the view containing the keyboard buttons
     */
    static func getKeyboardHeight()->CGFloat{
       
        if UIDevice.current.userInterfaceIdiom == .phone {
            //                          Portrait    Landscape
            return getWidth() < getHeight() ? 216 : 162
      
        } else{
            //                          Portrait    Landscape
            return getWidth() < getHeight() ? 265 : 353
           
        }
    }

     /**
     @return the height of the  toolbar
     */
    static func getToolbar() -> CGFloat{
        if UIDevice.current.userInterfaceIdiom == .phone {
            return getWidth() < getHeight() ? 45 : 38
               
        }
        //iPad
        return 55
    }

 static func getWidth() -> CGFloat{
        return UIScreen.main.bounds.width
    }
     static func getHeight() -> CGFloat{
        return UIScreen.main.bounds.height
    }
}