京东商城显示有货无货信息
前几天要和京东做接口,其中用到客户选择完地址后,根据选择地址来判断是否有
货,以下是截图
代码块
用到的技术:
- activity间值的传递
- listview列表刷新
- 异步请求
package com.cric.intelem.activity;
import java.util.ArrayList;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import com.cric.intelem.ApplicationContext;
import com.cric.intelem.MyHttpClient;
import com.cric.intelem.R;
import com.cric.intelem.adapter.AddressAdapter;
import com.cric.intelem.bean.ExGroup;
import com.cric.intelem.bean.IntelemHost;
import com.cric.intelem.bean.User;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.RequestParams;
public class SelectAddressActivity extends Activity {
private int page =1;
private int ProvinceID=0;
private String ProvinceName="";
private int CityID=0;
private String CityName="";
private int CountyID=0;
private String CountyName="";
private Context context;
private boolean lock = false;
ListView listview;
ArrayList<ExGroup> list = new ArrayList<ExGroup>();
ApplicationContext app;
AddressAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
context = this;
app = (ApplicationContext) getApplication();
setContentView(R.layout.select_address_layout);
((TextView) findViewById(R.id.layout_header_title_id)).setText("配送至");
listview = (ListView) findViewById(R.id.layout_select_address_id);
adapter = new AddressAdapter(context, list);
list = initlist(page);
listview.setAdapter(adapter);
adapter.notifyDataSetChanged();
listview.setOnItemClickListener(oilistener);
((ImageView)findViewById(R.id.layout_header_btn_right_image_id))
.setVisibility(View.INVISIBLE);
((ImageView)findViewById(R.id.layout_header_btn_left_image_id))
.setImageResource(R.drawable.btn_back);
LinearLayout layoutleft = (LinearLayout) findViewById(R.id.layout_header_btn_left_id);
layoutleft.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
finish();
}
});
}
/**
* 获取省份列表
* @param page
* @return
*/
private ArrayList<ExGroup> initlist(int page){
if(page>1){
list.clear();
}
String requestURL = IntelemHost.JDProvince;
String UserID = app.getUid();
User user = app.getLoginInfo();
String no = user.getCookie();
RequestParams params = new RequestParams();
params.put("UserID", UserID);
params.put("CaptchaNo", no);
MyHttpClient.get(requestURL, params, new AsyncHttpResponseHandler(){
@Override
public void onSuccess(String content) {
//System.out.println(content);
JSONArray array;
try {
JSONObject jsonObject = new JSONObject(content);
array = jsonObject.getJSONArray("getprovince");
for(int i=0;i<array.length();i++){
JSONObject temp = (JSONObject) array.get(i);
ExGroup gz = new ExGroup();
String provincename = temp.getString("ProvinceName");
String provinceid = temp.getString("ProvinceID");
int id = Integer.parseInt(provinceid);
gz.setName(provincename);
gz.setId(id);
gz.setHasNew(false);
list.add(gz);
}
if(null!=adapter){
adapter.notifyDataSetChanged();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
@Override
public void onStart() {
}
@Override
public void onFailure(Throwable error, String content) {
}
});
return list;
}
/**
* 获取城市列表
* @param page
* @return
*/
private ArrayList<ExGroup> initcitylist(int page,int pid){
if(page>1){
list.clear();
}
String requestURL = IntelemHost.JDCity;
String UserID = app.getUid();
User user = app.getLoginInfo();
String no = user.getCookie();
RequestParams params = new RequestParams();
params.put("UserID", UserID);
params.put("CaptchaNo", no);
params.put("Province", pid+"");
MyHttpClient.get(requestURL, params, new AsyncHttpResponseHandler(){
@Override
public void onSuccess(String content) {
lock = false;
JSONArray array;
try {
JSONObject jsonObject = new JSONObject(content);
array = jsonObject.getJSONArray("getcity");
for(int i=0;i<array.length();i++){
JSONObject temp = (JSONObject) array.get(i);
ExGroup gz = new ExGroup();
String provincename = temp.getString("CityName");
String provinceid = temp.getString("CityID");
int id = Integer.parseInt(provinceid);
gz.setName(provincename);
gz.setId(id);
gz.setHasNew(false);
list.add(gz);
}
if(null!=adapter){
adapter.notifyDataSetChanged();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
@Override
public void onStart() {
lock = true;
}
@Override
public void onFailure(Throwable error, String content) {
}
});
return list;
}
/**
* 获取区县列表
* @param page
* @return
*/
private ArrayList<ExGroup> initcountylist(int page,int cid){
if(page>1){
list.clear();
}
String requestURL = IntelemHost.JDCounty;
String UserID = app.getUid();
User user = app.getLoginInfo();
String no = user.getCookie();
RequestParams params = new RequestParams();
params.put("UserID", UserID);
params.put("CaptchaNo", no);
params.put("City", cid+"");
MyHttpClient.get(requestURL, params, new AsyncHttpResponseHandler(){
@Override
public void onSuccess(String content) {
lock = false;
JSONArray array;
try {
JSONObject jsonObject = new JSONObject(content);
array = jsonObject.getJSONArray("getcounty");
for(int i=0;i<array.length();i++){
JSONObject temp = (JSONObject) array.get(i);
ExGroup gz = new ExGroup();
String provincename = temp.getString("CountyName");
String provinceid = temp.getString("CountyID");
int id = Integer.parseInt(provinceid);
gz.setName(provincename);
gz.setId(id);
gz.setHasNew(false);
list.add(gz);
}
if(null!=adapter){
adapter.notifyDataSetChanged();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
@Override
public void onStart() {
lock = true;
}
@Override
public void onFailure(Throwable error, String content) {
}
});
return list;
}
/**
* 这里是点击条目是促发的事件
* 第一次点击选择省份
* 第二次点击选择城市
* 第三次点击选择区县
* 每次都获取列表前都清空数据
* 第三次点击后将获取的值返回给前一个acivity并关闭页面
*/
public OnItemClickListener oilistener = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View view, int arg2,
long id) {
if((list.size()==0)||lock){
return;
}else{
page++;
}
int realPosition=(int)id;
ExGroup eg = list.get(realPosition);
int pid = eg.getId();
String pname = eg.getName();
if(page==2){
ProvinceID =pid;
ProvinceName = pname;
initcitylist(page,pid);
}else if(page==3){
CityID= pid;
CityName= pname;
initcountylist(page, pid);
}else if(page==4){
CountyID = pid;
CountyName = pname;
Intent intent = new Intent();
intent.putExtra("ProvinceID", ProvinceID);
intent.putExtra("ProvinceName", ProvinceName);
intent.putExtra("CityID", CityID);
intent.putExtra("CityName", CityName);
intent.putExtra("CountyID", CountyID);
intent.putExtra("CountyName", CountyName);
setResult(Activity.RESULT_OK, intent);
finish();
}
}
};
}
这里是布局文件:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="300dp"
<!--这里宽度为300dp可以让页面显示半边,居右对其-->
android:layout_height="wrap_content"
android:layout_gravity="right"
android:orientation="vertical" >
<include layout="@layout/layout_header" />
<LinearLayout
android:id="@+id/dialog_layout"
android:layout_below="@id/layout_header_id"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#ffeeeef3"
android:paddingBottom="5.0dip"
android:gravity="center_horizontal"
android:orientation="vertical" >
<ListView
android:id="@+id/layout_select_address_id"
android:layout_width="300dp"
android:layout_height="wrap_content"
android:cacheColorHint="@android:color/transparent"
android:scrollbars="none"
android:groupIndicator="@null"
android:listSelector="@android:color/darker_gray"
android:divider="@drawable/layout_pop_addresslistview_divider"/>
</LinearLayout>
</RelativeLayout>转载自原文链接, 如需删除请联系管理员。
原文链接：京东商城选择地址信息，转载请注明来源！