part of 'main.dart'; class Device { static final Device _instance = Device._internal(); factory Device() { return _instance; } String unicDeviceId; String manufacturer; String model; String osName; String osVersion; Device._internal(); loadDeviceInfo() { DeviceInfoPlugin deviceInfo = DeviceInfoPlugin(); deviceInfo.androidInfo.then((androidInfo) { unicDeviceId = "${androidInfo.model.toLowerCase().replaceAll(' ', '_')}_${androidInfo.androidId}"; manufacturer = "${androidInfo.manufacturer}"; model = "${androidInfo.model}"; osName = "Android"; osVersion = "${androidInfo.version.release}"; }); } }