京東商城顯示有貨無貨信息

前幾天要和京東做接口,其中用到客戶選擇完地址后,根據選擇地址來判斷是否有
貨,以下是截圖

代碼塊

用到的技術:

activity間值的傳遞

listview列表刷新

異步請求

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;@Overrideprotected 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() {@Overridepublic void onClick(View v) {finish();}});} /*** 獲取省份列表* @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(){ @Overridepublic 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();}}@Overridepublic void onStart() {}@Overridepublic void onFailure(Throwable error, String content) {}});return list;}/*** 獲取城市列表* @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(){ @Overridepublic 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();}}@Overridepublic void onStart() {lock = true;}@Overridepublic void onFailure(Throwable error, String content) {}});return list;}/*** 獲取區縣列表* @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(){ @Overridepublic 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();}}@Overridepublic void onStart() {lock = true;}@Overridepublic void onFailure(Throwable error, String content) {}});return list;}/*** 這里是點擊條目是促發的事件* 第一次點擊選擇省份* 第二次點擊選擇城市* 第三次點擊選擇區縣* 每次都獲取列表前都清空數據* 第三次點擊后將獲取的值返回給前一個acivity并關閉頁面*/public OnItemClickListener oilistener = new OnItemClickListener() {@Overridepublic 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();}}};}

這里是布局文件:

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="300dp"<!--這里寬度為300dp可以讓頁面顯示半邊,居右對其-->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>

總結

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