Android 访问WebService
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首先，WebService进年来的使用人数很多了，它可以是一套接口多端调用，返回的格式是JSON和XML。在项目中使用的，可以分为如下的四个步骤： 1.下载ksoap2-android-assembly-2.5.2-jar-with-dependencies.jar文件 2.开始创建HttpTransportSE 对象 3.使用Soap1.1的协议创建SoapSerializationEnvelope 4.创建SoapObject对象 5.设置与.NET提供的Web Service 保存更好的兼容 6.调用Web Service 7.处理返回结果，解析数据。
下面是我的源码：
(1)WebServiceUtil.java
import org.ksoap2.SoapEnvelope;import org.ksoap2.serialization.SoapObject;import org.ksoap2.serialization.SoapSerializationEnvelope;import org.ksoap2.transport.HttpTransportSE;import java.util.concurrent.Callable;import java.util.concurrent.ExecutionException;import java.util.concurrent.FutureTask;/** * @className WebServiceUtil 的工具类 * Created by lidong on 2016/1/11. */public class WebServiceUtil { public static SoapObject getData(String service_url, final String service_ns, final String methodName){ /** * 创建HttpTransportSE 对象 */ final HttpTransportSE ht = new HttpTransportSE(service_url); ht.debug = true; /** * 使用Soap1.1的协议创建EEnvelope */ final SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); /** *创建SoapObject对象 */ SoapObject soapObject = new SoapObject(service_ns,methodName); envelope.bodyOut =soapObject; /*** * 设置与.NET提供的Web Service 保存更好的兼容 */ envelope.dotNet = true; FutureTask task = new FutureTask (new Callable () { @Override public SoapObject call() throws Exception { //调用Web Service ht.call(service_ns+methodName,envelope); if (envelope.getResponse()!=null){ //获取服务器返回的结果 SoapObject result = (SoapObject) envelope.bodyIn; return result; } return null; } }); new Thread(task).start(); try { return task.get(); } catch (InterruptedException e) { e.printStackTrace(); } catch (ExecutionException e) { e.printStackTrace(); } return null; }} (2).布局文件
3. WebServiceDemo
import android.os.Bundle;import android.support.design.widget.FloatingActionButton;import android.support.design.widget.Snackbar;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.support.v7.widget.Toolbar;import android.util.Log;import android.view.View;import com.chni.lidong.androidtestdemo.R;import com.chni.lidong.androidtestdemo.webService.adapter.MyAdapter;import com.chni.lidong.androidtestdemo.webService.model.CarType;import com.google.gson.Gson;import org.ksoap2.serialization.SoapObject;/** * 访问WebService的demo */public class WebServiceDemo extends AppCompatActivity { //WSDL文档中的命名空间 private static final String nameSpace = "http://www.ichehang.com/"; //WSDL文档中的URL private static final String endPoint = "http://app.ichehang.com/AppService.asmx"; //调用的方法 private static final String methodName = "GetBrandNew"; private RecyclerView recyclerView; private CarType carType; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_web_service_demo); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab); fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG) .setAction("Action", null).show(); } }); SoapObject data = WebServiceUtil.getData(endPoint, nameSpace, methodName); Log.d("WebServiceDemo",data.getPropertyCount()+" "+data.getProperty(0) + ""); parseData( data); recyclerView = (RecyclerView) findViewById(R.id.recyclerView); // 创建一个线性布局管理器 LinearLayoutManager layoutManager = new LinearLayoutManager(this); // 设置布局管理器 recyclerView.setLayoutManager(layoutManager); recyclerView.setAdapter(new MyAdapter(carType)); } private void parseData(SoapObject data) { carType = new Gson().fromJson(data.getProperty(0).toString(), CarType.class); }} 4.MyAdapter.java
import android.support.v7.widget.RecyclerView;import android.view.View;import android.view.ViewGroup;import android.widget.TextView;import com.chni.lidong.androidtestdemo.R;import com.chni.lidong.androidtestdemo.webService.model.CarType;/** * Created by Administrator on 2016/1/11. */public class MyAdapter extends RecyclerView.Adapter（6）CarType.java{ private CarType mDataset; public MyAdapter(CarType mDataset) { this.mDataset = mDataset; } @Override public MyAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = View.inflate(parent.getContext(), R.layout.my_adapter_detail, null); // 创建一个ViewHolder ViewHolder holder = new ViewHolder(view); return holder; } @Override public void onBindViewHolder(MyAdapter.ViewHolder holder, int position) { holder.mTextView.setText(mDataset.getTable().get(position).getName()); holder.mTextViewName.setText(mDataset.getTable().get(position).getImgname()); } @Override public int getItemCount() { return mDataset.getTable().size(); } public static class ViewHolder extends RecyclerView.ViewHolder { public TextView mTextView; public TextView mTextViewName; public ViewHolder(View itemView) { super(itemView); mTextView = (TextView) itemView.findViewById(R.id.textView6); mTextViewName = (TextView) itemView.findViewById(R.id.textView7); } }}
import java.util.List;/** * Created by lidong on 2016/1/11. */public class CarType { /** * recordcount : 22 * table : [{"no":"1","id":"9","name":"奔驰","imgname":"ppxl"},{"no":"2","id":"11","name":"宝马","imgname":"baoma"},{"no":"3","id":"12","name":"保时捷","imgname":"baoshijie"},{"no":"4","id":"13","name":"奥迪","imgname":"aodi"},{"no":"5","id":"14","name":"路虎","imgname":"luhu"},{"no":"6","id":"15","name":"尼桑","imgname":"nisang"},{"no":"7","id":"16","name":"福特","imgname":"fute"},{"no":"8","id":"17","name":"丰田","imgname":"fengtian"},{"no":"9","id":"39","name":"玛莎拉蒂","imgname":"msld"},{"no":"10","id":"40","name":"克尔维特","imgname":"kewt"},{"no":"11","id":"51","name":"JEEP","imgname":"jeep"},{"no":"12","id":"53","name":"林肯","imgname":"linken"},{"no":"13","id":"73","name":"雷克萨斯","imgname":"lkss"},{"no":"14","id":"76","name":"道奇","imgname":"daoqi"},{"no":"15","id":"82","name":"凯迪拉克","imgname":"kaidilake"},{"no":"16","id":"93","name":"沃尔沃","imgname":"16kuanwoerwo"},{"no":"17","id":"95","name":"GMC","imgname":"GMC"},{"no":"18","id":"97","name":"宾利","imgname":"binli"},{"no":"19","id":"101","name":"法拉利","imgname":"falali"},{"no":"20","id":"113","name":"斯达泰克","imgname":"sidataike"},{"no":"21","id":"114","name":"大众","imgname":"dayin"},{"no":"22","id":"120","name":"乔治巴顿","imgname":"qiaozhibadu"}] */ private String recordcount; /** * no : 1 * id : 9 * name : 奔驰 * imgname : ppxl */ private List table; public void setRecordcount(String recordcount) { this.recordcount = recordcount; } public void setTable(List table) { this.table = table; } public String getRecordcount() { return recordcount; } public List getTable() { return table; } public static class TableEntity { private String no; private String id; private String name; private String imgname; public void setNo(String no) { this.no = no; } public void setId(String id) { this.id = id; } public void setName(String name) { this.name = name; } public void setImgname(String imgname) { this.imgname = imgname; } public String getNo() { return no; } public String getId() { return id; } public String getName() { return name; } public String getImgname() { return imgname; } }} 最后展示一下结果吧：
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