android studio spinner setonitemselectedlistener

Package import import 7.app.AppCompatActivity import android.os.Bundle import import import import import import import import import public class MainActivity extends AppCompatActivity implements AdapterView. Firstly in layout android:layoutwidth'matchparent' android:layoutheight'wrapcontent'> Now Secondly populate values in spinner There are mainly two ways to populate values in spinner.

And implement our custom Adapter, as shown in spinner2 in the example. The second approach implement our custom class to hold the display text and the return value.And return the coresponding item on position in onItemSelected(). Create another array to hold the values we want to return. The first one may be the simplest method, spinner1 in the example.

Spinner with different display text and return value

Sometimes, we want to display some meaningful text in Spinner (such as 'Sunday', 'Monday'.), but return some other value when any item selected (such as 0, 2.). Spinner spinner (Spinner) findViewById(R.id.spinner) // Create an ArrayAdapter using the string array and a default spinner layout ArrayAdapter adapter ArrayAdapter.createFromResource(this, R.anetsarray, android.R.layout.simplespinneritem) // Specify the layout to use when the list of choices appears tDropDownViewResource(android.R.layout. android studio spinner setonitemselectedlistener

It will be the same object of the display items, as show in the spinner0 of the example. In the most basic Spinner implementation, selected item can be retrieved by calling parent.getItemAtPosition(position) in onItemSelected() method in OnItemSelectedListener.

Android studio spinner setonitemselectedlistener