Spinner setOnItemSelectedListener

Hello,

This article is for Beginner and people who want to learn Android .This article is about Spinner setOnItemSelectedListener Example.

In previous Article we learnt how to display text in spinner.If you haven't watched this article then follow the below link-

https://learnandroid150.blogspot.com/2020/05/how-to-display-text-in-spinner.html

1. XML File .

activity_main -

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <Spinner
        android:id="@+id/spinner"
        android:layout_marginTop="20dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"></Spinner>

</LinearLayout>

2.Java File.

MainActivity-

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    //declare variable
    Spinner spinner;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
      
        spinner=findViewById(R.id.spinner);
        //String array
        String [] countries={"India","Us","UK","Ireland"};
        ArrayAdapter<String>adapter=new ArrayAdapter<String>(this,android.R.layout.simple_spinner_dropdown_item,countries);
        spinner.setAdapter(adapter);
        //setOnItemSelectedListener
        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                String getvalue=spinner.getSelectedItem().toString();
                Toast.makeText(MainActivity.this, ""+getvalue, Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {

            }
        });


}
}