OpenTimePicker

func showTimepicker(){
//Formate Date
timePicker.datePickerMode = .time

//ToolBar
let toolbar = UIToolbar();
toolbar.sizeToFit()

//done button & cancel button
let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItem.Style.bordered, target: self, action: Selector(("donetimePicker")))
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonItem.SystemItem.flexibleSpace, target: nil, action: nil)
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItem.Style.bordered, target: self, action: Selector(("canceltimePicker")))
toolbar.setItems([doneButton,spaceButton,cancelButton], animated: false)

// tripDetails is lable. Here error occur. Unable to set toolbar
tripDetails.inputAccessoryView = toolbar
tripDetails.inputView = timePicker


}

@objc func donetimePicker(){

let formatter = DateFormatter()
formatter.dateFormat = "hh:mm a"
lbltime.text = formatter.string(from: timePicker.date)
self.view.endEditing(true)
}

@objc func canceltimePicker(){
self.view.endEditing(true)
}