HarmonyOS 鸿蒙Next 不能通过APP内的代码获取到设备的UDID，但是可以获取到AAID。实测当用户主动卸载APP后重新安装时，AAID值会改变。

打印

文档

https://developer.huawei.com/consumer/cn/doc/harmonyos-references/push-aaid-0000001775689553#section2628194911411

代码

import { AAID } from ‘@kit.PushKit’;
import { hilog } from ‘@kit.PerformanceAnalysisKit’;
import { BusinessError } from ‘@kit.BasicServicesKit’;

@Entry
@Component
struct Page30 {
build() {
Column() {
Button(‘获取设备的AAID’).onClick(() => {
AAID.getAAID().then((data: string) => {
hilog.info(0x0000, ‘testTag’, ‘Get AAID successfully: %{public}s’, data);
}).catch((err: BusinessError) => {
hilog.error(0x0000, ‘testTag’, ‘Get AAID failed: %{public}d %{public}s’, err.code, err.message);
});
})
}
.height(‘100%’)
.width(‘100%’)
}
}