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check null safety

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This commit is contained in:
tzw
2021-09-10 14:27:38 +06:30
parent a144c945b6
commit 7670779b03
57 changed files with 620 additions and 626 deletions
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24
lib/helpers/dev_info.dart
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@@ -2,13 +2,13 @@ import 'package:device_info/device_info.dart';
import 'dart:io' show Platform;
class DevInfo {
bool isAndroid;
bool isIOS;
String deviceID;
String id;
String model;
bool? isAndroid;
bool? isIOS;
String? deviceID;
String? id;
String? model;
static DevInfo _instance;
static DevInfo? _instance;
static Future<DevInfo> getDevInfo() async {
if (_instance != null) return Future.value(_instance);
@@ -18,14 +18,14 @@ class DevInfo {
if (Platform.isAndroid) {
AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
_instance.deviceID = androidInfo.androidId;
_instance.id = androidInfo.id;
_instance.model = androidInfo.model;
_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;
_instance!.deviceID = iosDeviceInfo.identifierForVendor;
_instance!.id = iosDeviceInfo.utsname.release;
_instance!.model = iosDeviceInfo.model;
}
return Future.value(_instance);
}