Eclipse 开发 Android, Hello Spinner（ 学习十 ）

Eclipse 开发 Android, Hello Spinner（ 学习10 ）

关键字: hellospinner

HelloSpinner.java 源码

package com.example.test;import android.app.Activity;import android.os.Bundle;import android.widget.ArrayAdapter;import android.widget.Spinner;public class HelloSpinner extends Activity {	@Override	public void onCreate(Bundle savedInstanceState) {	    super.onCreate(savedInstanceState);	    setContentView(R.layout.main);	    Spinner s = (Spinner) findViewById(R.id.spinner);	    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);	}}

?layout->main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:padding="10dip"    android:layout_width="fill_parent"    android:layout_height="wrap_content">    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginTop="10dip"        android:text="Please select a planet:"    />    <Spinner         android:id="@+id/spinner"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:drawSelectorOnTop="true"        android:prompt="@string/planet_prompt"    /></LinearLayout>

?values->arrays.xml

<resources>    <string-array name="planets">        <item>Mercury</item>        <item>Venus</item>        <item>Earth</item>        <item>Mars</item>        <item>Jupiter</item>        <item>Saturn</item>        <item>Uranus</item>        <item>Neptune</item>    </string-array>    </resources>

?value->strings.xml

?

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

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run it

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<string-array name="province">
? ?? ???<item value=“1”>湖南</item>
? ?? ???<item value="2">广州</item>
? ?? ???<item value="3">上海</item>
</string-array>