Android应用源码之写的google map api 应用-IT计算机-毕业设计.zip

package map.namespace; import java.io.InputStream; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.json.JSONObject; public class ConvertUtil { //根据地址获取对应经纬度 public static double[] getLocationInfo(String address) { //定义一个HttpClient用于向指定地址发送请求 HttpClient client = new DefaultHttpClient(); //向指定地址发送get请求 HttpGet httpGet = new HttpGet("http://maps.google."+ "com/maps/api/geocode/json?address="+address+ "ka&sensor=false"); StringBuilder builder = new StringBuilder(); try{ //获取服务器响应 HttpResponse response = client.execute(httpGet); HttpEntity entity = response.getEntity(); //获取服务器响应的输入流 InputStream stream = entity.getContent(); int b; //循环读取服务器响应 while((b = stream.read())!=-1) { builder.append((char)b); } //将服务器返回的字符串转换成JSONObject对象 JSONObject jsonObject = new JSONObject(builder.toString()); //从JSONObject中提取代表位置的location属性 JSONObject location = jsonObject.getJSONArray("results") .getJSONObject(0) .getJSONObject("geometry") .getJSONObject("location"); //获取经纬度信息 double longitude = location.getDouble("lng"); double latitude = location.getDouble("lat"); //组成double数组 return new double[]{longitude,latitude}; }catch(Exception e) { e.printStackTrace(); } return null; } //根据经纬度获取对应地址 public static String getAddress(double longitude,double latitude) { //定义一个HttpClient用于向指定地址发送请求 HttpClient client = new DefaultHttpClient(); //向指定地址发送get请求 HttpGet httpGet = new HttpGet("http://maps.google.com/maps/api/geocode/json?latlng="+ latitude+","+longitude+"&sensor=false&region=cn"); StringBuilder builder = new StringBuilder(); try { //获取服务器响应 HttpResponse response = client.execute(httpGet); HttpEntity entity = response.getEntity(); //获取服务器响应的输入流 InputStream stream = entity.getContent(); int b; //循环读取服务器响应 while((b = stream.read())!=-1) { builder.append((char)b); } //将服务器返回的字符串转换成JSONObject对象 JSONObject jsonObject = new JSONObject(builder.toString()); //解析结果中地址数据 return jsonObject.getJSONArray("results").getJSONObject(0).getString("formatted_address"); }catch(Exception e) { e.printStackTrace(); } return null; } }