Adaptive Android

 In this example, we’ll be implementing Material Spinners in our Android Application using Kotlin. Android Spinner is used to create a drop-down list on the screen. What is Android Spinner? Spinners provide a quick way to select one value from a list. In the default state, a spinner shows its currently selected value. Touching the spinner displays a dropdown menu with all other available values, from which the user can select a new one. You can add a spinner to your layout with the  Spinner  object. You should usually do so in your XML layout with a  <Spinner>  element. For example: <Spinner     android:id = "@+id/planets_spinner"     android:layout_width = "match_parent"     android:layout_height = "wrap_content" /> Spinner Callback Events  AdapterView.onItemSelectedListener interface is used to trigger the Spinner click event callbacks.  It consists of two methods:   1.onItemSelected   2....