Android通过基站获取地理位置

/** * 获取基站信息 * @return * @throws Exception */ public SCell getCellInfo() throws Exception { SCell cell = new SCell(); TelephonyManager mTelNet = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); GsmCellLocation location = (GsmCellLocation) mTelNet.getCellLocation(); if (location == null) throw new Exception("基站信息为空"); String operator = mTelNet.getNetworkOperator(); int mcc = Integer.parseInt(operator.substring(0, 3)); int mnc = Integer.parseInt(operator.substring(3)); int cid = location.getCid(); int lac = location.getLac(); cell.MCC = mcc; cell.MNC = mnc; cell.LAC = lac; cell.CID = cid; return cell; }
/** * 通过基站信息获取经纬度 * @param cell * @return * @throws Exception */ private SItude getItude(SCell cell) throws Exception { SItude itude = new SItude();
HttpClient client = new DefaultHttpClient(); HttpPost post = new HttpPost("http://www.google.com/loc/json"); try { JSONObject holder = new JSONObject(); holder.put("version", "1.1.0"); holder.put("host", "maps.google.com"); holder.put("address_language", "zh_CN"); holder.put("request_address", true); holder.put("radio_type", "gsm"); holder.put("carrier", "HTC");
JSONObject tower = new JSONObject(); tower.put("mobile_country_code", cell.MCC); tower.put("mobile_network_code", cell.MNC); tower.put("cell_id", cell.CID); tower.put("location_area_code", cell.LAC);
JSONArray towerarray = new JSONArray(); towerarray.put(tower); holder.put("cell_towers", towerarray);
StringEntity query = new StringEntity(holder.toString()); post.setEntity(query);
HttpResponse response = client.execute(post); HttpEntity entity = response.getEntity(); BufferedReader buffReader = new BufferedReader( new InputStreamReader(entity.getContent())); StringBuffer strBuff = new StringBuffer(); String result = null; while ((result = buffReader.readLine()) != null) { strBuff.append(result); } JSONObject json = new JSONObject(strBuff.toString()); JSONObject subjosn = new JSONObject(json.getString("location"));
itude.latitude = subjosn.getString("latitude"); itude.longitude = subjosn.getString("longitude");
Log.i("Itude", itude.latitude + itude.longitude);
} catch (Exception e) { Log.e(e.getMessage(), e.toString()); throw new Exception("" + e.getMessage()); } finally { post.abort(); client = null; }
return itude; }
/** * 通过经纬度到Google map上获取地理位置 * @param itude * @return * @throws Exception */ private String getLocation(SItude itude) throws Exception { String resultString = ""; String urlString = String.format( "http://maps.google.cn/maps/geo?key=abcdefg&q=%s,%s", itude.latitude, itude.longitude); Log.i("URL", urlString); HttpClient client = new DefaultHttpClient(); HttpGet get = new HttpGet(urlString); try { HttpResponse response = client.execute(get); HttpEntity entity = response.getEntity(); BufferedReader buffReader = new BufferedReader( new InputStreamReader(entity.getContent())); StringBuffer strBuff = new StringBuffer(); String result = null; while ((result = buffReader.readLine()) != null) { strBuff.append(result); } resultString = strBuff.toString(); if (resultString != null && resultString.length() > 0) { JSONObject jsonobject = new JSONObject(resultString); JSONArray jsonArray = new JSONArray(jsonobject.get("Placemark") .toString()); resultString = ""; for (int i = 0; i < jsonArray.length(); i++) { resultString = jsonArray.getJSONObject(i).getString( "address"); } } } catch (Exception e) { throw new Exception("sd:" + e.getMessage()); } finally { get.abort(); client = null; } return resultString; }
public class SCell { public int MCC; public int MNC; public int LAC; public int CID; }
public class SItude { public String latitude; public String longitude; }

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