<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
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var locManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager
var loc = locManager.getLastKnownLocation(LocationManager.GPS_PROVIDER)
if(loc != null){
    Log.e("gpslocation", loc.toString())
    toast(loc.toString())
}
locManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0F, object : LocationListener{
    override fun onStatusChanged(provider: String?, status: Int, extras: Bundle?) {
    }
    override fun onProviderEnabled(provider: String?) {
    }
    override fun onProviderDisabled(provider: String?) {
    }
    override fun onLocationChanged(location: Location?) {
        Log.e("gpslocation", location.toString())
        toast(location.toString())
    }
})
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{"errcode":0, "lat":"40.00598145", "lon":"116.48539734", "radius":"937", "address":"北京市朝阳区来广营地区东湖渠;溪阳东路与屏翠东路路口东70米"}
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<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_CARSE_LOCATION"/>
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val telManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
if(telManager.cellLocation is GsmCellLocation) {
    val cellLoc = telManager.cellLocation as GsmCellLocation
    if (cellLoc != null) {
        val operator = telManager.networkOperator
        val mcc = operator.substring(0, 3).toInt()
        val mnc = operator.substring(3).toInt()
        val cid = cellLoc.cid
        val lac = cellLoc.lac
        ...
        doAsync {
            val result = URL(sb.toString()).readText()
            Log.e("tellocation", result)
        }
    }
}
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{"errcode":0, "lat":"39.950008", "lon":"116.230049", "radius":"222", "address":"北京市海淀区四季青镇益园文创基地c区9号楼;南平庄中路与西平庄路路口西北561米"}
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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
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val wifiManager = applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
if(wifiManager.isWifiEnabled) {
    var mac = wifiManager.connectionInfo.bssid
    if(TextUtils.isEmpty(mac)) {
        /**
         * 当未链接wifi时，可以使用扫描到的wifi列表中找一个信号强度最好的。这里没进行比较，直接使用第一个了
         * ScanReuslt有三个字段比较重要：SSID是wifi名称，BSSID是wifi的mac，level则是信号强度（负数）
         * 注意结果中同一个SSID可能会有多个，如果需要链接wifi可以通过信号强度过滤出最好的来链接
         */
        val scanlist = wifiManager.scanResults
        for(info in scanlist){
            Log.e("wifiinfo", info.toString())
        }
        if(scanlist.size > 0) {
            mac = wifiManager.scanResults[0].BSSID
        }
    }
    if(!TextUtils.isEmpty(mac)) {
        ...
        doAsync {
            val result = URL(sb.toString()).readText()
            Log.e("wifilocation", result)
        }
    }
}
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<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
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val telManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
val neighborCells = telManager.neighboringCellInfo
for(cell in neighborCells){
    //这里将rssi转化为dBm
    val level = -131 + 2 * cell.rssi
    Log.e("neighboringCellInfo", "cid:${cell.cid} lac:${cell.lac} rssi:$level")
}
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public NeighboringCellInfo(int rssi, String location, int radioType) {
        // set default value
        mRssi = rssi;
        mNetworkType = NETWORK_TYPE_UNKNOWN;
        mPsc = UNKNOWN_CID;
        mLac = UNKNOWN_CID;
        mCid = UNKNOWN_CID;
        // pad location string with leading "0"
        int l = location.length();
        if (l > 8) return;
        if (l < 8) {
            for (int i = 0; i < (8-l); i++) {
                location = "0" + location;
            }
        }
        // TODO - handle LTE and eHRPD (or find they can't be supported)
        try {// set LAC/CID or PSC based on radioType
            switch (radioType) {
                case NETWORK_TYPE_GPRS:
                case NETWORK_TYPE_EDGE:
                    mNetworkType = radioType;
                    // check if 0xFFFFFFFF for UNKNOWN_CID
                    if (!location.equalsIgnoreCase("FFFFFFFF")) {
                        mCid = Integer.parseInt(location.substring(4), 16);
                        mLac = Integer.parseInt(location.substring(0, 4), 16);
                    }
                    break;
                case NETWORK_TYPE_UMTS:
                case NETWORK_TYPE_HSDPA:
                case NETWORK_TYPE_HSUPA:
                case NETWORK_TYPE_HSPA:
                    mNetworkType = radioType;
                    mPsc = Integer.parseInt(location, 16);
                    break;
            }
        } catch (NumberFormatException e) {
            // parsing location error
            mPsc = UNKNOWN_CID;
            mLac = UNKNOWN_CID;
            mCid = UNKNOWN_CID;
            mNetworkType = NETWORK_TYPE_UNKNOWN;
        }
    }
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<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
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val telManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
val cells = telManager.allCellInfo
for(cell in cells){
    if(cell is CellInfoLte) {
        Log.e("celllist", "cid:${cell.cellIdentity.ci} lac:${cell.cellIdentity.tac} dbm:${cell.cellSignalStrength.dbm} isRegistered:${cell.isRegistered}")
    }
}
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