loadSettings method Null safety
Load device settings if not previously set
Implementation
Future<void> loadSettings() async {
var json = {
'ignoringBatteryOptimizations': GetPlatform.isIOS ||
await DeviceSettings.isIgnoringBatteryOptimizations,
'isPowerSaving': await DeviceSettings.isPowerSaveMode,
'gpsEnabled': gpsEnabled
};
model(DeviceSettingsModel.fromJson(json));
}