Android擷取GPS進行定位的工具類

package com.maxtech.common.gps;import java.io.BufferedReader;import java.io.InputStreamReader;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.json.JSONArray;import org.json.JSONObject;import android.app.Activity;import android.content.Context;import android.net.wifi.WifiManager;import android.telephony.TelephonyManager;import android.telephony.gsm.GsmCellLocation;public abstract class IAddressTask {        protected Activity context;        public IAddressTask(Activity context) {                this.context = context;        }        public abstract HttpResponse execute(JSONObject params) throws Exception;        public MLocation doWifiPost() throws Exception {                return transResponse(execute(doWifi()));        }        public MLocation doApnPost() throws Exception {                return transResponse(execute(doApn()));        }        public MLocation doGpsPost(double lat, double lng) throws Exception {                return transResponse(execute(doGps(lat, lng)));        }        private MLocation transResponse(HttpResponse response) {                MLocation location = null;                if (response.getStatusLine().getStatusCode() == 200) {                        location = new MLocation();                        HttpEntity entity = response.getEntity();                        BufferedReader br;                        try {                                br = new BufferedReader(new InputStreamReader(                                                entity.getContent()));                                StringBuffer sb = new StringBuffer();                                String result = br.readLine();                                while (result != null) {                                        sb.append(result);                                        result = br.readLine();                                }                                JSONObject json = new JSONObject(sb.toString());                                JSONObject lca = json.getJSONObject("location");                                location.Access_token = json.getString("access_token");                                if (lca != null) {                                        if (lca.has("accuracy"))                                                location.Accuracy = lca.getString("accuracy");                                        if (lca.has("longitude"))                                                location.Latitude = lca.getDouble("longitude");                                        if (lca.has("latitude"))                                                location.Longitude = lca.getDouble("latitude");                                        if (lca.has("address")) {                                                JSONObject address = lca.getJSONObject("address");                                                if (address != null) {                                                        if (address.has("region"))                                                                location.Region = address.getString("region");                                                        if (address.has("street_number"))                                                                location.Street_number = address                                                                                .getString("street_number");                                                        if (address.has("country_code"))                                                                location.Country_code = address                                                                                .getString("country_code");                                                        if (address.has("street"))                                                                location.Street = address.getString("street");                                                        if (address.has("city"))                                                                location.City = address.getString("city");                                                        if (address.has("country"))                                                                location.Country = address.getString("country");                                                }                                        }                                }                        } catch (Exception e) {                                e.printStackTrace();                                location = null;                        }                }                return location;        }        private JSONObject doGps(double lat, double lng) throws Exception {                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);                JSONObject data = new JSONObject();                data.put("latitude", lat);                data.put("longitude", lng);                holder.put("location", data);                return holder;        }        private JSONObject doApn() throws Exception {                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);                TelephonyManager tm = (TelephonyManager) context                                .getSystemService(Context.TELEPHONY_SERVICE);                GsmCellLocation gcl = (GsmCellLocation) tm.getCellLocation();                int cid = gcl.getCid();                int lac = gcl.getLac();                int mcc = Integer.valueOf(tm.getNetworkOperator().substring(0, 3));                int mnc = Integer.valueOf(tm.getNetworkOperator().substring(3, 5));                JSONArray array = new JSONArray();                JSONObject data = new JSONObject();                data.put("cell_id", cid);                data.put("location_area_code", lac);                data.put("mobile_country_code", mcc);                data.put("mobile_network_code", mnc);                array.put(data);                holder.put("cell_towers", array);                return holder;        }        private JSONObject doWifi() throws Exception {<br />        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);                WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);                if(wifiManager.getConnectionInfo().getBSSID() == null) {            throw new RuntimeException("bssid is null");        }                JSONArray array = new JSONArray();        JSONObject data = new JSONObject();        data.put("mac_address", wifiManager.getConnectionInfo().getBSSID());          data.put("signal_strength", 8);          data.put("age", 0);          array.put(data);        holder.put("wifi_towers", array);                return holder;    }        public static class MLocation {                public String Access_token;                public double Latitude;                public double Longitude;                public String Accuracy;                public String Region;                public String Street_number;                public String Country_code;                public String Street;                public String City;                public String Country;                @Override                public String toString() {                        StringBuffer buffer = new StringBuffer();                        buffer.append("Access_token:" + Access_token + "\n");                        buffer.append("Region:" + Region + "\n");                        buffer.append("Accuracy:" + Accuracy + "\n");                        buffer.append("Latitude:" + Latitude + "\n");                        buffer.append("Longitude:" + Longitude + "\n");                        buffer.append("Country_code:" + Country_code + "\n");                        buffer.append("Country:" + Country + "\n");                        buffer.append("City:" + City + "\n");                        buffer.append("Street:" + Street + "\n");                        buffer.append("Street_number:" + Street_number + "\n");                        return buffer.toString();                }        }} 
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