flutter 获取装备的唯一标识

插件
device_info_plus | Flutter packageFlutter plugin providing detailed information about the device (make, model, etc.), and Android or iOS version the app is running on.

https://pub.dev/packages/device_info_plus安卓
androidInfo.serialNumber 
serialNumber property - AndroidDeviceInfo class - device_info_plus library - Dart API

1. Future<String> getAndroidId() async {
2.   final androidInfo = await DeviceInfoPlugin().androidInfo;
3.   return androidInfo.androidId; // 可能为 null 或空字符串
4. }

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ios

1. Future<String> getIOSId() async {
2.   final iosInfo = await DeviceInfoPlugin().iosInfo;
3.   return iosInfo.identifierForVendor;
4. }

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权限
安卓必要加

1. <uses-permission android:name="android.permission.READ_PHONE_STATE" />

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ios必要 设置xcode 打开  Keychain Sharing 权限