clean up

lib/helpers/dev_info.dart

@@ -0,0 +1,32 @@
+import 'package:device_info/device_info.dart';
+import 'dart:io' show Platform;
+
+class DevInfo {
+  bool isAndroid;
+  bool isIOS;
+  String deviceID;
+  String id;
+  String model;
+
+  static DevInfo _instance;
+
+  static Future<DevInfo> getDevInfo() async {
+    if (_instance != null) return Future.value(_instance);
+
+    _instance = DevInfo();
+    DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
+
+    if (Platform.isAndroid) {
+      AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
+      _instance.deviceID = androidInfo.androidId;
+      _instance.id = androidInfo.id;
+      _instance.model = androidInfo.model;
+    } else if (Platform.isIOS) {
+      IosDeviceInfo iosDeviceInfo = await deviceInfo.iosInfo;
+      _instance.deviceID = iosDeviceInfo.identifierForVendor;
+      _instance.id = iosDeviceInfo.utsname.release;
+      _instance.model = iosDeviceInfo.model;
+    }
+    return Future.value(_instance);
+  }
+}