Android Spinner与setDropDownViewResource

效果图：

第一步：新建Android工程 Test8

第二步：在values中添加arrays.xml

<resources><string-array name="planets"><item>三星</item><item>诺基亚</item><item>BG</item><item>摩托罗拉</item><item>西门子</item><item>联想</item><item>中国电子</item></string-array></resources>

第三步：编辑strings.xml

<?xml version="1.0" encoding="utf-8"?><resources>    <string name="hello">Hello World, SpinnerDemo!</string>    <string name="app_name">SpinnerApp</string>    <string name="planet_prompt">Choose a planet</string></resources>

第四步：编辑main.xml

<Spinner         android:id="@+id/spinner01"         android:layout_width="fill_parent"         android:layout_height="wrap_content"         android:layout_marginTop="10px"         android:drawSelectorOnTop="true"         android:prompt="@string/planet_prompt"         />

第五步：编辑：SpinnerDemo.java

package com.android;import android.app.Activity;import android.os.Bundle;import android.widget.*;import android.view.*;public class SpinnerDemo extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                Spinner s=(Spinner)findViewById(R.id.spinner01);                ArrayAdapter adapter=ArrayAdapter.createFromResource(this,R.array.planets,android.R.layout.simple_spinner_item);                adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);                s.setAdapter(adapter);    }}

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