android 之 Spinner 下拉菜单实现级联

效果图如下：
默认第一次加载

选择原始队列：

级联效果图：

 
 关键代码给下拉列表选中事件监听绑定Id ：
[html]  www.zzzyk.com
int pos = firsthand_dlbh_pinner.getSelectedItemPosition();  
firsthand_pdbh_adapter = new ArrayAdapter<String>(context,  
        android.R.layout.易做图_spinner_item, queu_info[pos]);  
firsthand_pdbh_spinner.setAdapter(firsthand_pdbh_adapter);  
 
 
完整代码：
布局文件代码：
[html] 
<?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" >  
  
    <TextView  
        android:id="@+id/firsthand_dlbh"  
        android:layout_width="fill_parent"  
        android:layout_height="wrap_content"  
        android:layout_marginLeft="60sp"  
        android:layout_marginTop="20sp" >  
    </TextView>  
  
    <Spinner  
        android:id="@+id/firsthand_dlbh_pinner"  
        android:layout_width="200sp"  
        android:layout_height="wrap_content"  
        android:layout_marginLeft="60sp"  
        android:layout_marginTop="20sp" >  
    </Spinner>  
      
    <TextView  
        android:id="@+id/firsthand_pdbh"  
        android:layout_width="fill_parent"  
        android:layout_height="wrap_content"  
        android:layout_marginLeft="60sp"  
        android:layout_marginTop="20sp" >  
    </TextView>  
  
    <Spinner  
        android:id="@+id/firsthand_pdbh_pinner"  
        android:layout_width="200sp"  
        android:layout_height="wrap_content"  
        android:layout_marginLeft="60sp"  
        android:layout_marginTop="20sp" >  
    </Spinner>  
  
    <TextView  
        android:id="@+id/target_dlbh"  
        android:layout_width="fill_parent"  
        android:layout_height="wrap_content"  
        android:layout_marginLeft="60sp"  
        android:layout_marginTop="20sp" >  
    </TextView>  
  
    <Spinner  
        android:id="@+id/target_dlbh_spinner"  
        android:layout_width="200sp"  
        android:layout_height="wrap_content"  
        android:layout_marginLeft="60sp"  
        android:layout_marginTop="20sp" >  
    </Spinner>  
  
    <Button  
        android:id="@+id/diff_manage_operation"  
        android:layout_width="wrap_content"  
        android:layout_height="wrap_content"  
        android:layout_marginLeft="100sp"  
        android:layout_marginTop="20sp"  
        android:text="执行调度"  
        android:textSize="18sp" >  
    </Button>  
  
</LinearLayout>  
 
JAVA 程序代码：
[java] 
import android.app.Activity;  
import android.content.Context;  
  
import android.os.Bundle;  
  
import android.view.Menu;  
import android.view.View;  
import android.view.View.OnClickListener;  
import android.widget.AdapterView;  
import android.widget.ArrayAdapter;  
import android.widget.Button;  
import android.widget.Spinner;  
import android.widget.TextView;  
import android.widget.AdapterView.OnItemSelectedListener;  
  
public class ManageInfo_Activity extends Activity implements OnClickListener {  
    private Context context;  
    private static final String[] queuilist = { "A999", "B888" };  
    private static final String[] default_linfo = { "A01", "A02", "A03", "A04",  
            "A05", "A06", "A07", "A08", "A09", "A10", "A11" };  
    private static final String[][] queu_info = new String[][] {  
            { "A01", "A02", "A03", "A04", "A05", "A06", "A07", "A08", "A09",  
                    "A10", "A11" },  
            { "B01", "B02", "B03", "B04", "B05", "B06", "B07", "B08", "B09",  
                    "B10", "B11" } };  
    private TextView firsthand_dlbh_view;  
    private Spinner firsthand_dlbh_pinner;  
    private ArrayAdapter<String> firsthand_dlbh_adapter;  
  
    private TextView firsthand_pdbh_view;  
    pri

补充：移动开发 , Android ,