Dummy Data Generator Kotlin

BaseFragment.kt

abstract class BaseFragment : Fragment(){
  fun generateDummy(): List<Contact> {
        val list = mutableListOf<Contact>()

        for (i in 0 until 10){
            list.add(
                Contact(
                    getRandomString()+" "+getRandomString(),
                    getRandomString(),
                    "+62"+getRandomNumber(),
                    "",
                    "",
                    id = (1..20).random()
                )
            )
        }

        return list
    }

    fun getRandomString() : String {
        val length = (10..20).random()
        val allowedChars = ('a'..'z')
        return (5..length)
            .map { allowedChars.random() }
            .joinToString("")
            .replaceFirstChar{first -> first.uppercase()}
    }

    fun getRandomNumber() : String {
        val length = (8..12).random()
        val allowedChars = ('0'..'9')
        return (1..length)
            .map { allowedChars.random() }
            .joinToString("")
    }
}