wifiManager.startScan();
		List<ScanResult> results = wifiManager.getScanResults();

		for (ScanResult scanResult : results) {
			ap_device	= new APDeviceInfo();
			ap_device.ssid	=  scanResult.SSID;
			ap_device.security	= scanResult.capabilities;
			ap_device.bssid = scanResult.BSSID;
			ap_devices_list.add(ap_device);
		}