# 2020-04-20 | Kotlin | Form elements ###### tags: `kotlin` `android` `gobelins` ## Spinner ### Variables ```kotlin private lateinit var adapter: ArrayAdapter<String> private lateinit var spinner: Spinner private val planetes = listOf("Mer","VĂ©","Terre","Ma","Ju","Sat","Ur","Nept","Plu") ``` ### In onViewCreated function ```kotlin spinner = view.findViewById(R.id.spinner) adapter = ArrayAdapter( view.context, android.R.layout.simple_spinner_item, planetes ) spinner.adapter = adapter ``` ### In xml layout ```kotlin <Spinner android:id="@+id/spinner" android:layout_width="0dp" android:layout_height="wrap_content" app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintEnd_toEndOf="parent"/> ```