Spinner(二)——简单使用完整示例

来源：互联网发布：余热锅炉计算软件编辑：程序博客网时间：2024/05/21 17:24

MainActivity如下:

package cc.test;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.AdapterView.OnItemSelectedListener;/** * Demo描述: * Spinner简单使用的完整示例 *  * 注意事项: * 这里的simple_spinner_item和simple_spinner_dropdown_item * 我们均使用系统自带的布局 */public class TestSpinnerActivity extends Activity {private Spinner mSpinner;private ArrayAdapter<String> mAdapter ;private String [] mStringArray;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        init();    }        private void init(){    mSpinner=(Spinner) findViewById(R.id.spinner);    mStringArray=getResources().getStringArray(R.array.test_string_array);mAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,mStringArray);//设置下拉列表风格mAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);mSpinner.setAdapter(mAdapter);//监听Item选中事件mSpinner.setOnItemSelectedListener(new ItemSelectedListenerImpl());              }        private class ItemSelectedListenerImpl implements OnItemSelectedListener{@Overridepublic void onItemSelected(AdapterView<?> arg0, View view, int position,long arg3) {System.out.println("选中了:"+mStringArray[position]);}@Overridepublic void onNothingSelected(AdapterView<?> arg0) {}        }}

main.xml如下:

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <Spinner        android:id="@+id/spinner"        android:layout_width="fill_parent"        android:layout_height="wrap_content"     /></LinearLayout>

arrays.xml如下:

<?xml version="1.0" encoding="utf-8"?><resources>    <string-array name="test_string_array">        <item>无</item>        <item>失眠</item>        <item>贫血</item>        <item>脱发</item>        <item>疲惫</item>        <item>烦躁</item>        <item>偏胖</item>        <item>偏瘦</item>        <item>白发</item>        <item>头痛</item>        <item>近视</item>        <item>弱视</item>        <item>耳鸣</item>    </string-array>   </resources>

0 0