04 Spinner 列表选中

<span style="font-size:18px;"><?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <!--          android:prompt=""设置标题 设置弹出模式时可以看  必须要写入string.xml中然后调用        android:popupBackground=""弹出窗口的背景        android:entries="" 要在string写入string-array       <string-array name="book">        <item>红楼梦</item>        <item>三国演义</item>        <item>桃花林</item>    </string-array>        android:spinnerMode="dialog" 模式 对话框        "dropdown"下拉列表     -->    <Spinner        android:id="@+id/spinner"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:entries="@array/book"        android:spinnerMode="dropdown"        android:prompt="@string/app_name1"             /></LinearLayout></span>

package com.fmy.a;import android.app.Activity;import android.os.Bundle;import android.view.View;<span style="display: none; width: 0px; height: 0px;" id="transmark"></span>import android.widget.AdapterView;import android.widget.AdapterView.OnItemSelectedListener;import android.widget.Spinner;public class MainActivity extends Activity {        @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.demo_textview);        Spinner s = (Spinner) findViewById(R.id.spinner);        s.setOnItemSelectedListener(new OnItemSelectedListener() {            /**             * parent指代Spinner s对象             * view 被选中的子元素             * position 被选中的元素的位置             * id被选中子元素的id             */            @Override            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {            }            @Override            public void onNothingSelected(AdapterView<?> parent) {                // TODO Auto-generated method stub                            }        });    }                    }