The use of the Android Spinner pull-down menu

Source: Internet
Author: User
Tags event listener json

1. layout file contents:

 <?xml version= "1.0" encoding= "Utf-8"?> "<linearlayout xmlns:android=" http:// "android:layout_width=" fill_parent "android:layout_height=" Fill_parent "an droid:orientation= "vertical" > <textview android:id= "@+id/target_number" Fill_parent "android:layout_height=" wrap_content "android:layout_marginleft=" 60SP "Android:layout_ margintop= "20SP" > </TextView> <spinner android:id= "@+id/target_pinner" android:layou T_width= "200SP" android:layout_height= "wrap_content" android:layout_marginleft= "60SP" Android:layo ut_margintop= "20SP" > </Spinner> <textview android:id= "@+id/consult_number" android:l Ayout_width= "Fill_parent" android:layout_height= "wrap_content" android:layout_marginleft= "60SP" an
  droid:layout_margintop= "20SP" >  </TextView> <spinner android:id= "@+id/consult_spinner" android:layout_width= "200SP" android:layout_height= "Wrap_content" android:layout_marginleft= "60sp" android:layout_margintop= "20SP" &G
        </Spinner> <button android:id= "@+id/manage_operation" android:layout_width= "Wrap_content" android:layout_height= "Wrap_content" android:layout_marginleft= "100SP" android:layout_margintop= "20s" P "android:text=" android:textsize= "18SP" > </Button> </linearlayout> 

2.JAVA program code:

Import java.util.ArrayList;

Import java.util.List;
Import Org.apache.http.HttpResponse;
Import Org.apache.http.HttpStatus;
Import Org.apache.http.NameValuePair;
Import org.apache.http.client.entity.UrlEncodedFormEntity;
Import Org.apache.http.client.methods.HttpPost;
Import org.apache.http.impl.client.DefaultHttpClient;
Import Org.apache.http.message.BasicNameValuePair;
Import Org.apache.http.protocol.HTTP;
Import Org.json.JSONArray;

Import Org.json.JSONObject;

Import Com.sxzichen.common.MD5Util;
Import android.content.Intent;
Import Android.os.Bundle;
Import Android.view.Menu;
Import Android.view.View;
Import Android.view.View.OnClickListener;
Import Android.widget.AdapterView;
Import Android.widget.AdapterView.OnItemSelectedListener;
Import Android.widget.ArrayAdapter;
Import Android.widget.Button;
Import Android.widget.Spinner;

Import Android.widget.TextView; public class Samequen_actiVity extends activity implements onclicklistener{private static final string[] queuinfo={"A01", "A02", "A03", "A04", "A0
    5 "," A06 "," A07 "," A08 "," A09 "," A10 "," A11 "};
    Private TextView Target_view;
    Private Spinner Target_spinner;
    Private arrayadapter&lt;string&gt; Target_adapter;
    Private TextView Consult_view;
    Private Spinner Consult_spinner;

    Private arrayadapter&lt;string&gt; Consult_adapter;
    Private String targetnumber= "";
    Private String consultmunber= "";
            @Override protected void OnCreate (Bundle savedinstancestate) {//TODO auto-generated method stub
            Super.oncreate (savedinstancestate);
            Setcontentview (R.LAYOUT.ACTIVITY_SAMEQUEU);
            Define the target queue number drop-down menu Target_view = (TextView) Findviewbyid (;
            Target_spinner = (spinner) Findviewbyid (; Connect the optional content to the arrayadapter target_adapter = new Arrayadapter&lt;string&gt; (this,android. R. Layout.simple_spinner_item,queuinfo); Set the style of the Drop-down list Target_adapter.setdropdownviewresource (Android.
            Add the adapter to the spinner Target_spinner.setadapter (Target_adapter);
            Add Event Spinner Event Listener Target_spinner.setonitemselectedlistener (New Booldspinnerselectedlistener ());
            Set default value target_spinner.setvisibility (view.visible);
            Define the reference queue number Drop-down Menu Consult_view = (TextView) Findviewbyid (;
            Consult_spinner = (spinner) Findviewbyid (; Connect the optional content to the arrayadapter consult_adapter = new Arrayadapter&lt;string&gt; (this,android.
            R.layout.simple_spinner_item,queuinfo); Set the style of the Drop-down list Consult_adapter.setdropdownviewresource (Android.
            R.layout.simple_spinner_dropdown_item); Add adapter to spinner Consult_spinner.setadapter (Consult_adapter);
            Add Event Spinner Event Listener Consult_spinner.setonitemselectedlistener (New Moblespinnerselectedlistener ());
            Set default value consult_spinner.setvisibility (view.visible); 
            Button manage_operation= (button) Findviewbyid (; 
    Manage_operation.setonclicklistener (this); ///Select target Queue number Event listener class Booldspinnerselectedlistener implements onitemselectedlistener{Publi
                      c void onitemselected (adapterview&lt;?&gt; arg0, View arg1, int arg2, long arg3) {

            Target_view.settext ("The queue number to move is:" +queuinfo[arg2]); public void onnothingselected (Adapterview&lt;?&gt; arg0) {}}///Select Reference Queue number Event Supervisor Listener class Moblespinnerselectedlistener implements onitemselectedlistener{public void onitemselected (Adapt Erview&lt;?&gt;
            	arg0, View arg1, int arg2, long arg3) {CONSULTMUNBER=QUEUINFO[ARG2];
            Consult_view.settext ("Move to" +queuinfo[arg2] + "behind"); public void onnothingselected (Adapterview&lt;?&gt; arg0) {}} @Override public V
		 OID OnClick (View v) {System.out.println ("Enter the same queue scheduling link");
System.out.println ("+targetnumber+" is moved to "+consultmunber+" after operation); Switch (V.getid ()) {//Click on a different button, pop-up the corresponding prompts////Jump-queue//Case
Ntln ("Enter the queue");
Startbreakquening (User_name,estination_code); 
Queue Management/Case ("Enter the same queue management link");
Samemangerquening (User_name,estination_code);      
Queue Management/Case ("Enter different queue management links"); DiffRentmangerquening (User_name,estination_code); 
Break  @Override public boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu;
		Adds items to the action bar if it is present.
		Getmenuinflater (). Inflate (, menu);
	return true; }


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