kotlinでspinner動的生成
fun createSpinner(){
var list = ArrayList<String>()
list.add("1")
list.add("2")
list.add("3")
val adapter = ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item, list)
val spinner = findViewById<Spinner>(R.id.spinner)
spinner.adapter = adapter
}
createSpinner()