Eclipse 开发 Android, Hello Spinner（ 学习10 ）
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 {@Overridepublic 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

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<?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>