android 之 Spinner 下拉菜单实现级联

来源：互联网发布：淘宝单怎么刷能挣钱吗编辑：程序博客网时间：2024/04/28 04:03

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] view plaincopy
int pos = firsthand_dlbh_pinner.getSelectedItemPosition();  
firsthand_pdbh_adapter = new ArrayAdapter<String>(context,  
        android.R.layout.simple_spinner_item, queu_info[pos]);  
firsthand_pdbh_spinner.setAdapter(firsthand_pdbh_adapter);  

完整代码：

布局文件代码：

[html] view plaincopy
<?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] view plaincopy
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;  
    private Spinner firsthand_pdbh_spinner;  
    private ArrayAdapter<String> firsthand_pdbh_adapter;  
  
    private TextView target_dlbh_view;  
    private Spinner target_dlbh_spinner;  
    private ArrayAdapter<String> target_dlbh_adapter;  
  
    private String firsthand_dlbh = "";  
    private String firsthand_pdbh = "";  
    private String target_dlbh = "";  
  
    @Override  
    protected void onCreate(Bundle savedInstanceState) {  
        // TODO Auto-generated method stub  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.activity_manageinfo);  
  
        context = this;  
  
        // 定义原始队列编号下拉菜单  
        firsthand_dlbh_view = (TextView) findViewById(R.id.firsthand_dlbh);  
        firsthand_dlbh_pinner = (Spinner) findViewById(R.id.firsthand_dlbh_pinner);  
        // 将可选内容与ArrayAdapter连接起来  
        firsthand_dlbh_adapter = new ArrayAdapter<String>(this,  
                android.R.layout.simple_spinner_item, queuilist);  
        // 设置下拉列表的风格  
        firsthand_dlbh_adapter  
                .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);  
        // 将adapter 添加到spinner中  
        firsthand_dlbh_pinner.setAdapter(firsthand_dlbh_adapter);  
        // 添加事件Spinner事件监听  
        firsthand_dlbh_pinner  
                .setOnItemSelectedListener(new FirsthanddlbhSpinnerSelectedListener());  
        // 设置默认值  
        firsthand_dlbh_pinner.setVisibility(View.VISIBLE);  
  
        // 定义原始排队编号下拉菜单  
        firsthand_pdbh_view = (TextView) findViewById(R.id.firsthand_pdbh);  
        firsthand_pdbh_spinner = (Spinner) findViewById(R.id.firsthand_pdbh_pinner);  
        // 将可选内容与ArrayAdapter连接起来  
        firsthand_pdbh_adapter = new ArrayAdapter<String>(this,  
                android.R.layout.simple_spinner_item, default_linfo);  
        // 设置下拉列表的风格  
        firsthand_pdbh_adapter  
                .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);  
        // 将adapter 添加到spinner中  
        firsthand_pdbh_spinner.setAdapter(firsthand_pdbh_adapter);  
        // 添加事件Spinner事件监听  
        firsthand_pdbh_spinner  
                .setOnItemSelectedListener(new FirsthandpdbhSpinnerSelectedListener());  
        // 设置默认值  
        firsthand_pdbh_spinner.setVisibility(View.VISIBLE);  
  
        // 定义目标队列下拉菜单  
        target_dlbh_view = (TextView) findViewById(R.id.target_dlbh);  
        target_dlbh_spinner = (Spinner) findViewById(R.id.target_dlbh_spinner);  
        // 将可选内容与ArrayAdapter连接起来  
        target_dlbh_adapter = new ArrayAdapter<String>(this,  
                android.R.layout.simple_spinner_item, queuilist);  
        // 设置下拉列表的风格  
        target_dlbh_adapter  
                .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);  
        // 将adapter 添加到spinner中  
        target_dlbh_spinner.setAdapter(target_dlbh_adapter);  
        // 添加事件Spinner事件监听  
        target_dlbh_spinner  
                .setOnItemSelectedListener(new TargetdlbhpinnerSelectedListener());  
        // 设置默认值  
        target_dlbh_spinner.setVisibility(View.VISIBLE);  
  
        Button diff_manage_operation = (Button) findViewById(R.id.diff_manage_operation);  
        diff_manage_operation.setOnClickListener(this);  
  
    }  
  
    // 选择 目标排队编号 事件 监听器  
    class FirsthanddlbhSpinnerSelectedListener implements  
            OnItemSelectedListener {  
  
        public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,  
                long arg3) {  
            firsthand_dlbh = queuilist[arg2];  
            firsthand_dlbh_view.setText("选择原始队列是：" + queuilist[arg2]);  
            int pos = firsthand_dlbh_pinner.getSelectedItemPosition();  
            firsthand_pdbh_adapter = new ArrayAdapter<String>(context,  
                    android.R.layout.simple_spinner_item, queu_info[pos]);  
            firsthand_pdbh_spinner.setAdapter(firsthand_pdbh_adapter);  
  
        }  
  
        public void onNothingSelected(AdapterView<?> arg0) {  
        }  
    }  
  
    // 选择 目标排队编号 事件 监听器  
    class FirsthandpdbhSpinnerSelectedListener implements  
            OnItemSelectedListener {  
  
        public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,  
                long arg3) {  
            firsthand_pdbh = (String) firsthand_pdbh_spinner  
                    .getItemAtPosition(arg2);  
            firsthand_pdbh_view.setText("要移动的排队编号是："  
                    + (String) firsthand_pdbh_spinner.getItemAtPosition(arg2));  
        }  
  
        public void onNothingSelected(AdapterView<?> arg0) {  
        }  
    }  
  
    // //选择 参照排队编号 事件 监听器  
    class TargetdlbhpinnerSelectedListener implements OnItemSelectedListener {  
  
        public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,  
                long arg3) {  
            target_dlbh = queuilist[arg2];  
            target_dlbh_view.setText("移动到 " + queuilist[arg2] + " 队列中 ");  
        }  
  
        public void onNothingSelected(AdapterView<?> arg0) {  
        }  
    }  
  
  
    @Override  
    public void onClick(View v) {  
  
        System.out.println(" 进入同一队列调度环节");  
  
        System.out.println("执行把排队编号 " + firsthand_pdbh + " 从 " + firsthand_dlbh  
                + " 队列中移动到  " + target_dlbh + "   队列的末尾操作  ");  
    //  DiffMangerQuening( user_name, estination_code, firsthand_dlbh, firsthand_dlbh,target_dlbh); // switch(v.getId()){//根据点击不同的按钮，弹出相应的提示  
  
  
    }  
  
    @Override  
    public boolean onCreateOptionsMenu(Menu menu) {  
        // Inflate the menu; this adds items to the action bar if it is present.  
        getMenuInflater().inflate(R.menu.activity_main, menu);  
        return true;  
    }  
}  

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