Android/Cordova UUID 可靠性

Question

我正在开发依赖于设备 UUID 的 Apache Cordova 应用程序。几个问题在我脑海中闪过，但不幸的是，我似乎无法在任何地方找到答案。

• 获取的 device.uuid 对于每个平台是否都相同，因为我计划同时针对 Android 和 iOS 发布它？
• Cordova给的UUID和OS一样吗？
• 有什么方法可以更改/欺骗 OS/Cordova UUID？ (这对我很重要)

Answer 1

在 android 上它使用 android.provider.Settings.Secure.ANDROID_ID

public static final String ANDROID_ID Added in API level 3

A 64-bit number (as a hex string) that is randomly generated when the user first sets up the device and should remain constant for the lifetime of the user's device. The value may change if a factory reset is performed on the device.

Note: When a device has multiple users (available on certain devices running Android 4.2 or higher), each user appears as a completely separate device, so the ANDROID_ID value is unique to each user.

它可以在根设备上更改。 http://www.prophethacker.com/2014/08/how-change-your-android-mobile-device-id.html

在 iOS cordova 上，在第一次运行时创建一个随机字符串，该字符串仅对您的应用程序是唯一的，甚至可能在应用程序更新时发生变化。

iOS Quirk

The uuid on iOS is not unique to a device, but varies for each application, for each installation. It changes if you delete and re-install the app, and possibly also when you upgrade iOS, or even upgrade the app per version (apparent in iOS 5.1). The uuid is not a reliable value.

在 iOS 上，您可以将我的标识符用于供应商插件 https://github.com/jcesarmobile/IDFVPlugin

它使用供应商的 native 标识符 https://developer.apple.com/library/ios/documentation/uikit/reference/UIDevice_Class/Reference/UIDevice.html#//apple_ref/occ/instp/UIDevice/identifierForVendor