let picker = ADCountryPicker(style: .grouped)
navigationController?.pushViewController(picker, animated: true)

let picker = ADCountryPicker()
let pickerNavigationController = UINavigationController(rootViewController: picker)
self.present(pickerNavigationController, animated: true, completion: nil)

/// delegate
picker.delegate = self

/// Optionally, set this to display the country calling codes after the names
picker.showCallingCodes = true

/// Flag to indicate whether country flags should be shown on the picker. Defaults to true
picker.showFlags = true
    
/// The nav bar title to show on picker view
picker.pickerTitle = "Select a Country"
    
/// The default current location, if region cannot be determined. Defaults to US
picker.defaultCountryCode = "US"

/// Flag to indicate whether the defaultCountryCode should be used even if region can be deteremined. Defaults to false
picker.forceDefaultCountryCode = false

/// The text color of the alphabet scrollbar. Defaults to black
picker.alphabetScrollBarTintColor = UIColor.black
    
/// The background color of the alphabet scrollar. Default to clear color
picker.alphabetScrollBarBackgroundColor = UIColor.clear
    
/// The tint color of the close icon in presented pickers. Defaults to black
picker.closeButtonTintColor = UIColor.black
    
/// The font of the country name list
picker.font = UIFont(name: "Helvetica Neue", size: 15)
    
/// The height of the flags shown. Default to 40px
picker.flagHeight = 40
    
/// Flag to indicate if the navigation bar should be hidden when search becomes active. Defaults to true
picker.hidesNavigationBarWhenPresentingSearch = true
    
/// The background color of the searchbar. Defaults to lightGray
picker.searchBarBackgroundColor = UIColor.lightGray

func countryPicker(picker: ADCountryPicker, didSelectCountryWithName name: String, code: String) {
        print(code)
}

func countryPicker(picker: ADCountryPicker, didSelectCountryWithName name: String, code: String, dialCode: String) {
        print(dialCode)
}

// or closure
picker.didSelectCountryClosure = { name, code in
        print(code)
}

picker.didSelectCountryWithCallingCodeClosure = { name, code, dialCode in
        print(dialCode)
}

/// Returns the country flag for the given country code
///
/// - Parameter countryCode: ISO code of country to get flag for
/// - Returns: the UIImage for given country code if it exists
let flagImage =  picker.getFlag(countryCode: code)


/// Returns the country name for the given country code
///
/// - Parameter countryCode: ISO code of country to get dialing code for
/// - Returns: the country name for given country code if it exists
let countryName =  picker.getCountryName(countryCode: code)


/// Returns the country dial code for the given country code
///
/// - Parameter countryCode: ISO code of country to get dialing code for
/// - Returns: the dial code for given country code if it exists
let dialingCode =  picker.getDialCode(countryCode: code)