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android 之Spinner下拉菜单实现级联

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效果图如下:

默认第一次加载 。

android 之Spinner下拉菜单实现级联

选择原始队列:

android 之Spinner下拉菜单实现级联

级联效果图:

android 之Spinner下拉菜单实现级联

关键代码给下拉列表选中事件监听绑定id :

复制代码 代码如下:

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:

  。

复制代码 代码如下:

<?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" > 。

  。

    <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:

复制代码 代码如下:

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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