Programming Tutorials

package com.javasamples;

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

public class ArrayAdapterDemo2 extends Activity implements
		AdapterView.OnItemSelectedListener {
	TextView selection;
	String[] items = { "this", "is", "a", "really", 
			"really2", "really3",
			"really4", "really5", "silly", "list" };

	@Override
	public void onCreate(Bundle icicle) {
		super.onCreate(icicle);
		setContentView(R.layout.main);
		selection = (TextView) findViewById(R.id.selection);

		Spinner spin = (Spinner) findViewById(R.id.spinner);
		spin.setOnItemSelectedListener(this);

		ArrayAdapter aa = new ArrayAdapter(
				this,
				android.R.layout.simple_spinner_item, 
				items);

		aa.setDropDownViewResource(
		   android.R.layout.simple_spinner_dropdown_item);
		spin.setAdapter(aa);
	}

	public void onItemSelected(AdapterView<?> parent, View v, int position,
			long id) {
		selection.setText(items[position]);
	}

	public void onNothingSelected(AdapterView<?> parent) {
		selection.setText("");
	}
}//class

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	android:id="@+id/myLinearLayout"
	android:layout_width="fill_parent"
	android:layout_height="fill_parent"
	android:orientation="vertical"
	xmlns:android="http://schemas.android.com/apk/res/android">
	<TextView
		android:id="@+id/selection"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:background="#ff0033cc"
		android:textSize="14dip"
		android:textStyle="bold">
	</TextView>
	<Spinner
		android:id="@+id/spinner"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content">
	</Spinner>
</LinearLayout>