immutable_device_identifier 0.0.2

It supply device identifier for iOS / Android device. (That identifier does not change per installation)

immutable_device_identifier

It supply device identifier for iOS / Android device.
(That identifier does not change per installation)

Usage

  final uniqueId = ImmutableDeviceIdentifier().getUniqueId();

iOS

Swift code is as below.
By using UUID and Keychain, it assure the return value immutability per re-installation.

  let key = "studio.creche.immutable_device_identifier/unique_id"

  var uuid = try? self.keychain.get(key)
  if (uuid ?? "").isEmpty {
    uuid = UUID().uuidString
    try? self.keychain.set(uuid ?? "", key: key)
  }

Android

Kotlin code is as below.
By using MediaDrm, it assure the return value immutability per re-installation.

  val uuid = UUID.fromString("edef8ba9-79d6-4ace-a3c8-27dcd51d21ed")
  val id = MediaDrm(uuid).getPropertyByteArray(MediaDrm.PROPERTY_DEVICE_UNIQUE_ID)
  val uniqueId = id.joinToString(":") { String.format("%02X", it) }