3 Component Dynamic Multi UIPickerView Swift

Question

I\'m new to Swift programming (doing it for fun :)) and am stuck with trying to create a 3 component UIpickerview where each component changes its value based on the previous co

Answer 1

Create Country & City objects like below. Assign array of City to cities.

class Country {

    var name: String
    var cities: [City]

    init(name:String, cities:[City]) {
        self.name = name
        self.cities = cities
    }
}

class City {

    var name: String
    var posts: [String]

    init(name:String, posts:[String]) {
        self.name = name
        self.posts = posts
    }
}