Android利用ksoap2写天气预报应用

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本文介绍如何使用ksoap2库在Android平台上开发天气预报应用，通过调用Web服务获取并解析天气数据，实现显示指定城市的当前及未来天气情况。

Android利用ksoap2写天气预报应用

2010-06-01 18:06

　　怎么说呢，天气预报的应用可以说是一抓一大把，不过找一个自己心仪的却并不是很容易。这个程序也是用来练手的，看看到底怎么用ksoap写一个适合自己的应用。ksoap怎么说呢，就是一个封装好的soap发送接收解析库，这也只怪Android没有自带这些。

　　闲话不多说，上代码（本来是全部贴出来的，后来发现博客毕竟是用来写重点的，更多内容还是访问下面那个给出的源码地址吧）：

private static final String NAMESPACE = "http://WebXml.com.cn/";    
    private static String URL = "http://www.webxml.com.cn/webservices/weatherwebservice.asmx";
    private static final String METHOD_NAME = "getWeatherbyCityName";
    private static String SOAP_ACTION = "http://WebXml.com.cn/getWeatherbyCityName";

    public void getWeather(String cityName) {
        try {
            SoapObject rpc = new SoapObject(NAMESPACE, METHOD_NAME);
            rpc.addProperty("theCityName", cityName);

            AndroidHttpTransport ht = new AndroidHttpTransport(URL);
            ht.debug = true;

            SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
                    SoapEnvelope.VER11);
            
            envelope.bodyOut = rpc;
            envelope.dotNet = true;
            envelope.setOutputSoapObject(rpc);

            ht.call(SOAP_ACTION, envelope);
            
            debug(LOG_TAG, "DUMP>> " + ht.requestDump);
            debug(LOG_TAG, "DUMP<< " + ht.responseDump);

            SoapObject result = (SoapObject) envelope.bodyIn;
            SoapObject detail = (SoapObject) result.getProperty("getWeatherbyCityNameResult");
            
            parseWeather(detail);
            return;
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    private void parseWeather(SoapObject detail) {
        String date = detail.getProperty(6).toString();
        weatherToday = "今天：" + date.split(" ")[0];
        weatherToday = weatherToday + "\n天气：" + date.split(" ")[1];
        weatherToday = weatherToday + "\n气温：" + detail.getProperty(5).toString();
        weatherToday = weatherToday + "\n风力：" + detail.getProperty(7).toString() + "\n";
        iconToday[0] = parseIcon(detail.getProperty(8).toString());
        iconToday[1] = parseIcon(detail.getProperty(9).toString());
        
        weatherCurrent = detail.getProperty(10).toString();
        
        date = detail.getProperty(13).toString();
        weatherTomorrow = "明天：" + date.split(" ")[0];
        weatherTomorrow = weatherTomorrow + "\n天气：" + date.split(" ")[1];
        weatherTomorrow = weatherTomorrow + "\n气温：" + detail.getProperty(12).toString();
        weatherTomorrow = weatherTomorrow + "\n风力：" + detail.getProperty(14).toString() + "\n";
        iconTomorrow[0] = parseIcon(detail.getProperty(15).toString());
        iconTomorrow[1] = parseIcon(detail.getProperty(16).toString());
        
        date = detail.getProperty(18).toString();
        weatherAfterday = "后天：" + date.split(" ")[0];
        weatherAfterday = weatherAfterday + "\n天气：" + date.split(" ")[1];
        weatherAfterday = weatherAfterday + "\n气温：" + detail.getProperty(17).toString();
        weatherAfterday = weatherAfterday + "\n风力：" + detail.getProperty(19).toString() + "\n";
        iconAfterday[0] = parseIcon(detail.getProperty(20).toString());
        iconAfterday[1] = parseIcon(detail.getProperty(21).toString());
    }