比较简单的根据经纬度解析google天气

package com.okhiking;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.DefaultHttpClient;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

import android.util.Log;

public class GoogleWeather {

	public String getWeatherData(Integer latitude, Integer longtitude)
			throws ClientProtocolException, IOException,
			ParserConfigurationException, FactoryConfigurationError,
			SAXException {
		String wheatherResult = null;
		// String
		// url="http://www.google.com/ig/api?hl=zh_cn&weather=,,,"+latitude+","+longtitude;
		String url = "http://www.google.com/ig/api?weather=,,," + latitude
				+ "," + longtitude;
		DefaultHttpClient client = new DefaultHttpClient();
		HttpUriRequest Request = new HttpGet(url);
		HttpResponse Response = client.execute(Request);
		HttpEntity Entity = Response.getEntity();
		InputStream stream = Entity.getContent();
		InputStreamReader in = new InputStreamReader(stream, "GBK");

		DocumentBuilder Builder = DocumentBuilderFactory.newInstance()
				.newDocumentBuilder();
		Document doc = Builder.parse(new InputSource(in));
		NodeList n = doc.getElementsByTagName("current_conditions");

		Log.d("log", "Node Length=" + n.getLength());

		for (int i = 0; i < n.getLength(); i++)// 遍列current_condition所有节点
												// 比较简单的解析xml的方法
		{
			// 获取节点的天气数据
			String condition = n.item(i).getChildNodes().item(0)
					.getAttributes().item(0).getNodeValue();
			String tempF = n.item(i).getChildNodes().item(1).getAttributes()
					.item(0).getNodeValue();
			String tempC = n.item(i).getChildNodes().item(2).getAttributes()
					.item(0).getNodeValue();
			String humidity = n.item(i).getChildNodes().item(3).getAttributes()
					.item(0).getNodeValue();
			String wind_condition = n.item(i).getChildNodes().item(5)
					.getAttributes().item(0).getNodeValue();
			wheatherResult = "Condition:" + condition + "\n" + "TEM:" + tempF + " F\n"
					+ "TEM:" + tempC + "℃\n" + humidity + "\n" + wind_condition;
		}

		// NodeList nforecast_conditions = doc
		// .getElementsByTagName("forecast_conditions");
		//
		// Log.d("log", "Node2 Length=" + nforecast_conditions.getLength());
		//
		// for (int i = 0; i < nforecast_conditions.getLength(); i++)//
		// 遍列current_condition所有节点
		// {
		// // 获取节点的天气数据
		// String week = nforecast_conditions.item(i).getChildNodes().item(0)
		// .getAttributes().item(0).getNodeValue();
		// String low = nforecast_conditions.item(i).getChildNodes().item(1)
		// .getAttributes().item(0).getNodeValue();
		// String high = nforecast_conditions.item(i).getChildNodes().item(2)
		// .getAttributes().item(0).getNodeValue();
		// wheatherResult = wheatherResult + "condition:" + week + "\n" + low
		// + " 摄氏度\n" + high + "摄氏度\n";
		// }
		// Log.d("log", "sTemp=" + wheatherResult);
		return wheatherResult;
	}
}