Next step, we populate a String array with values and convert it to an array list then we build an array adapter with this array list. To do that, at first we put a Spinner widget to our XML layout file. This android development tutorial will demonstrate to you how can we select an item from the Spinner widget programmatically on the Button click event. By default Spinner's first item is it selected item.Īndroid app developers can select an item from Spinner available items programmatically in their scripting java or kotlin file. The Spinner setAdapter method binds the array adapter with the Spinner widget and shows available items in the widget. And they can generate an array adapter from an array and array list. Android developers can easily add items to a Spinner widget by using an array adapter. Spinner items are populated inside the java or kotlin file. Android developers can add a Spinner widget in their XML layout file by using the Spinner tag and available attributes. Others values stay hidden but can explore on a drop-down menu.

The Spinner shows a selected value on the visible area. Spinner allows selecting one value at a time. Spinner is a popular widget in Android SDK.

Android studio spinner value