<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" ><Spinner      android:layout_width="match_parent"    android:layout_height="wrap_content"    android:entries="@array/books"    android:prompt="@string/tip"    />        <Spinner         android:id="@+id/spinner"     android:layout_width="match_parent"    android:layout_height="wrap_content"    android:prompt="@string/tip"    /></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><resources>    <string-array name="books">        <item>java</item>        <item>android</item>        <item>web</item>    </string-array></resources>

package com.example.spinner;import android.app.Activity;import android.os.Bundle;import android.widget.ArrayAdapter;import android.widget.Spinner;public class MainActivity extends Activity {    Spinner spinner;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        spinner=(Spinner) findViewById(R.id.spinner);        String[] arr={"孙悟空","猪八戒","唐僧"};        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,                android.R.layout.simple_list_item_multiple_choice, arr);        spinner.setAdapter(adapter);    }}