Android Spinner Example

Android Spinner and Toast displays the selected item in a Spinner.

Main Layout Xml

spinner_page.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <Spinner
        android:id="@+id/spversions"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp" />

</RelativeLayout>



MainActivity File

SpinnerPage.java

package com.example.spinner;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;

public class SpinnerPage extends Activity implements OnItemSelectedListener {
    private Spinner spversions;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.spinner_page);
        spversions = (Spinner) findViewById(R.id.spversions);

        String[] android_versions = { "Cupcake", "Donut", "Eclair", "Froyo",
                "Gingerbread", "Honeycomb", "Ice Cream Sandwich", "Jelly Bean",
                "KitKat", "Lolipop" };

        ArrayAdapter<String> adapter_versions = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, android_versions);

        adapter_versions
                .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

        spversions.setAdapter(adapter_versions);
        spversions.setOnItemSelectedListener(this);

    }

    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position,
            long id) {
        // TODO Auto-generated method stub
        spversions.setSelection(position);
        String selected_version = (String) spversions.getSelectedItem();
        Toast.makeText(getApplicationContext(),
                "Selected item:" + selected_version, Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {
        // TODO Auto-generated method stub

    }
}












Screen Shots

Selected item displays in a Toast