android webservice 见解

大鸟走开

android 系统的优势在于网络方面,因而学习android系统,不论是以后的发展还是啥情况,学习webservice是必须的,

我接触的webservice是这么理解的,

1，手机客户端发送请求到服务端,

2，服务端接收并解析请求的内容,

3发送应答数据到客户端

4客户端解析数据 显示出来

应用到的接口软件包ksoap2 附件会有

 

现在网上有许多这方面的教程,大多是关于天气预报 的 但没有给出详细的说明

我又重新编写了一下,作为自己学习这方面的开始,分享一下

 

效果图如下:

package com.pkuial.weather;import java.io.IOException;//import net.wangliping.weather.R;import org.ksoap2.SoapEnvelope;import org.ksoap2.serialization.SoapObject;import org.ksoap2.serialization.SoapSerializationEnvelope;import org.ksoap2.transport.AndroidHttpTransport;import org.xmlpull.v1.XmlPullParserException;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;import android.widget.ImageView;import android.widget.TextView;public class Activity_main extends Activity { Button btn01; TextView tv01,tv02; ImageView imgview01,imgview02; EditText et01; int int_img_1; int int_img_2; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //组件 // final EditText et01=(EditText) findViewById(R.id.et_TextWeather); btn01=(Button) findViewById(R.id.btn_WeatherSearch); tv01=(TextView) findViewById(R.id.tv_WeatherToday); tv02=(TextView) findViewById(R.id.tv_WeatherCurrent); imgview01=(ImageView) findViewById(R.id.ImageView01); imgview02=(ImageView) findViewById(R.id.ImageView02); et01=(EditText) findViewById(R.id.et_TextWeather); btn01.setOnClickListener(new OnClickListener() {public void onClick(View v) {showWeather();}}); }//onCreate ***************end protected void showWeather(){//显示所有的信息 String str_city=et01.getText().toString(); if(str_city.length()==0){ str_city="济南"; } str_city="济南"; getWeather(str_city); tv01.setText(getString_WeatherToday()); //今天天气 tv02.setText(getString_WeatherCurrent());//当前天气 imgview01.setImageResource(getIcon_1()); //当前的两个图标 imgview02.setImageResource(getIcon_2()); }//showWeather()*****************end private static final String NAME_SPACE="http://WebXml.com.cn/";//命名空间 ,后期测试一下命名空间的作用 private static final String METHOD_NAME = "getWeatherbyCityName"; private static String URL = "http://www.webxml.com.cn/webservices/weatherwebservice.asmx";// 投递SOAP数据的目标地址 private static String SOAP_ACTION = "http://WebXml.com.cn/getWeatherbyCityName"; protected void getWeather(String strcityname){//str 是城市名 /* * 这里要做的工作是 提交客户端的请求, * 然后获得服务端返回的复杂对象,后面会有专门的 */ SoapObject sobject=new SoapObject(NAME_SPACE, METHOD_NAME); sobject.addProperty("theCityName", strcityname); AndroidHttpTransport ht=new AndroidHttpTransport(URL); ht.debug=true; //以下是封装 SoapSerializationEnvelope envelope=new SoapSerializationEnvelope(SoapEnvelope.VER11);//告诉SoapSerializationEnvelope把构造好的SoapObject封装进去： envelope.bodyOut=sobject; envelope.dotNet=true; envelope.setOutputSoapObject(sobject); try { //调用等待返回ht.call(SOAP_ACTION, envelope);} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (XmlPullParserException e) {// TODO Auto-generated catch blocke.printStackTrace();}//下面是获取复杂的节点对象SoapObject result=(SoapObject) envelope.bodyIn;SoapObject detail=(SoapObject) result.getProperty("getWeatherbyCityNameResult");//类似于获取服务端返回复杂节点的一个内接点parseWeather(detail); //解析这个复杂节点 }//getweather *****************end String str_weather_today=null; String str_weather_current=null; protected void parseWeather(SoapObject so){ /* * 解析复杂节点,并对相应的参数赋值,为后面的方法准备 */ //第六个参数是概况,包括日期,天气.... String date=so.getProperty(6).toString(); str_weather_today="今天: "+date.split(" ")[0]; str_weather_today=str_weather_today+"/n气温:"+so.getProperty(5).toString(); str_weather_today=str_weather_today+"/n风力:"+so.getProperty(7).toString()+"/n"; //两个图标 int_img_1=parseIcon(so.getProperty(8).toString()); int_img_2=parseIcon(so.getProperty(9).toString()); str_weather_current=so.getProperty(10).toString(); } public String getString_WeatherToday(){ return str_weather_today; } public String getString_WeatherCurrent(){ return str_weather_current; } public int getIcon_1(){ return int_img_1; } public int getIcon_2(){ return int_img_2; } public int parseIcon(String strIcon){ if (strIcon == null) return -1;if ("0.gif".equals(strIcon)) return R.drawable.a_0;if ("1.gif".equals(strIcon)) return R.drawable.a_1;if ("2.gif".equals(strIcon)) return R.drawable.a_2;if ("3.gif".equals(strIcon)) return R.drawable.a_3;if ("4.gif".equals(strIcon)) return R.drawable.a_4;if ("5.gif".equals(strIcon)) return R.drawable.a_5;if ("6.gif".equals(strIcon)) return R.drawable.a_6;if ("7.gif".equals(strIcon)) return R.drawable.a_7;if ("8.gif".equals(strIcon)) return R.drawable.a_8;if ("9.gif".equals(strIcon)) return R.drawable.a_9;if ("10.gif".equals(strIcon)) return R.drawable.a_10;if ("11.gif".equals(strIcon)) return R.drawable.a_11;if ("12.gif".equals(strIcon)) return R.drawable.a_12;if ("13.gif".equals(strIcon)) return R.drawable.a_13;if ("14.gif".equals(strIcon)) return R.drawable.a_14;if ("15.gif".equals(strIcon)) return R.drawable.a_15;if ("16.gif".equals(strIcon)) return R.drawable.a_16;if ("17.gif".equals(strIcon)) return R.drawable.a_17;if ("18.gif".equals(strIcon)) return R.drawable.a_18;if ("19.gif".equals(strIcon)) return R.drawable.a_19;if ("20.gif".equals(strIcon)) return R.drawable.a_20;if ("21.gif".equals(strIcon)) return R.drawable.a_21;if ("22.gif".equals(strIcon)) return R.drawable.a_22;if ("23.gif".equals(strIcon)) return R.drawable.a_23;if ("24.gif".equals(strIcon)) return R.drawable.a_24;if ("25.gif".equals(strIcon)) return R.drawable.a_25;if ("26.gif".equals(strIcon)) return R.drawable.a_26;if ("27.gif".equals(strIcon)) return R.drawable.a_27;if ("28.gif".equals(strIcon)) return R.drawable.a_28;if ("29.gif".equals(strIcon)) return R.drawable.a_29;if ("30.gif".equals(strIcon)) return R.drawable.a_30;if ("31.gif".equals(strIcon)) return R.drawable.a_31;return 0; } }

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