getDeviceId static method
Implementation
static FutureEither<String> getDeviceId() async {
var preferences = await SharedPreferences.getInstance();
var base64Id = preferences.getString('ana.deviceId');
if (base64Id != null) {
var deviceId = utf8.decode(base64Decode(base64Id));
return right(deviceId);
}
var divId = await PlatformDeviceId.getDeviceId;
if (divId == null) return left('DeviceId is null');
base64Id = base64Encode(utf8.encode(divId));
preferences.setString('ana.deviceId', base64Id);
return right(divId);
}