The Spinner setSelection() method allows us to select an item from Spinner programmatically. On the Button click event, we will select another item from the Spinner widget. We also add a Button element to our XML layout file. By default, the Spinner first item is now selected initially.
In that way, we populate the Spinner with items. After creating the array adapter we data-bind Spinner with the array adapter by using the Spinner setAdapter method inside the java or kotlin file. 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. Import Ĭlass MainActivity : AppCompatActivity(), AdapterView.Spinner is a popular widget in Android SDK. Step 4 − Add the following code to MainActivity.kt import android.os.Bundle
Step 3 − Open res/strings.xml and add the following code − Step 2 − Add the following code to res/layout/activity_main.xml. Step 1 − Create a new project in Android Studio, go to File ⇉ New Project and fill all required details to create a new project. This example demonstrates how to get Spinner value in Kotlin.
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