分享Android CellLocation源码，基于Rexsee对象的基站定位功能

[代码] 代码段示例

01 function query(){
02   var loction = eval('('+rexseeCellLocation.getLastKnownLocation()+')');
03   var type = location.type.toLowerCase();
04   var mcc = parseInt(location.operator.substring(0,3));
05   var mnc = (type=='gsm')?parseInt(location.operator.substring(3)):location.systemId;
06   var cid= (type=='gsm')?location.cid:location.baseStationId;
07   var lac= (type=='gsm')?location.lac:location.networkId;
08   var postData="{\version\":\"1.1.0\",\"host\":\maps.google.com\",\"access_token\";\"2:k7j3G6LaL6u_lafw:4iXOeOpTh1glSXe\",\"home_mobile_country_code\":"+mcc+",\"home_mobile_network_code\":"+mnc+",\"address_language\";\"zh_CN\",\"radio_type\";\""+type+"\",\"request_address\":true,\"cell_towers\":[{\"cell_id\":+cid+",\"location_area_code\":+lac+",\"mobile_aountry_code\":"+mcc+",\"mobile_network_code\":"+mnc+",\"timing_advance\":5555}]}";
09
10 alert(rexseeAjax.syncSubmit('http://www.google.com/loc/json',postData,'utf-8'));
11 }

[图片] 1318156045.jpg

[代码] RexseeCellLocation对象

001 /*
002 * Copyright (C) 2011 The Rexsee Open Source Project
003 *
004 * Licensed under the Rexsee License, Version 1.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.rexsee.com/CN/legal/license.html
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 packagerexsee.location;
018
019 importrexsee.core.browser.JavascriptInterface;
020 importrexsee.core.browser.RexseeBrowser;
021 importandroid.content.Context;
022 importandroid.telephony.CellLocation;
023 importandroid.telephony.PhoneStateListener;
024 importandroid.telephony.TelephonyManager;
025 importandroid.telephony.cdma.CdmaCellLocation;
026 importandroid.telephony.gsm.GsmCellLocation;
027
028 public class RexseeCellLocation implements JavascriptInterface {
029
030        private static final String INTERFACE_NAME ="CellLocation";
031        @Override
032        public String getInterfaceName() {
033                return mBrowser.application.resources.prefix + INTERFACE_NAME;
034        }
035        @Override
036        public JavascriptInterface getInheritInterface(RexseeBrowser childBrowser) {
037                returnthis;
038        }
039        @Override
040        public JavascriptInterface getNewInterface(RexseeBrowser childBrowser) {
041                return newRexseeCellLocation(childBrowser);
042        }
043
044        public static final String EVENT_ONCELLLOCATIONCHANGED ="onCellLocationChanged";
045
046        public final Context mContext;
047        private final RexseeBrowser mBrowser;
048        private final intmPhoneType;
049        private PhoneStateListener mListener =null;
050        private CellLocation mLocation =null;
051
052        public RexseeCellLocation(RexseeBrowser browser) {
053                mContext = browser.getContext();
054                mBrowser = browser;
055                browser.eventList.add(EVENT_ONCELLLOCATIONCHANGED);
056                TelephonyManager tm = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
057                mPhoneType = tm.getPhoneType();
058        }
059
060        //JavaScript Interface
061        public boolean isEnabled() {
062                return mListener !=null;
063        }
064        public boolean enable() {
065                try{
066                        TelephonyManager tm = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
067                        mListener = new PhoneStateListener() {
068                                @Override
069                                public void onCellLocationChanged(CellLocation location) {
070                                        mLocation = location;
071                                        mBrowser.eventList.run(EVENT_ONCELLLOCATIONCHANGED);
072                                }
073                        };
074                        tm.listen(mListener, PhoneStateListener.LISTEN_CELL_LOCATION);
075                        returntrue;
076                } catch (Exception e) {
077                        mBrowser.exception(getInterfaceName(), e);
078                        returnfalse;
079                }
080        }
081        public boolean disable() {
082                if (mListener == null) returntrue;
083                try{
084                        TelephonyManager tm = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
085                        tm.listen(mListener, PhoneStateListener.LISTEN_NONE);
086                        mListener =null;
087                        returntrue;
088                } catch (Exception e) {
089                        mBrowser.exception(getInterfaceName(), e);
090                        returnfalse;
091                }
092        }
093        public String getLastKnownLocation() {
094                if (mLocation == null) return "{}";
095                TelephonyManager tm = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
096                String rtn ="";
097                rtn += "\"operator\":\"" + tm.getNetworkOperator() +"\"";
098                rtn += ",\"operatorName\":\"" + tm.getNetworkOperatorName() +"\"";
099                if (mPhoneType == TelephonyManager.PHONE_TYPE_GSM) {
100                        GsmCellLocation gsm = (GsmCellLocation) mLocation;
101                        rtn +=",\"type\":\"GSM\"";
102                        rtn += ",\"cid\":" + gsm.getCid();
103                        rtn += ",\"lac\":" + gsm.getLac();
104                } else if (mPhoneType == TelephonyManager.PHONE_TYPE_CDMA) {
105                        CdmaCellLocation cdma = (CdmaCellLocation) mLocation;
106                        rtn +=",\"type\":\"CDMA\"";
107                        rtn += ",\"baseStationId\":" + cdma.getBaseStationId();
108                        rtn += ",\"baseStationLatitude\":" + cdma.getBaseStationLatitude();
109                        rtn += ",\"baseStationLongitude\":" + cdma.getBaseStationLongitude();
110                        rtn += ",\"networkId\":" + cdma.getNetworkId();
111                        rtn += ",\"systemId\":" + cdma.getSystemId();
112                }
113                return "{" + rtn +"}";
114        }
115
116     }