HarmonyOS 鸿蒙Next代码运行时警告： This API has been Special Markings. exercise caution when using this API.

// xxx.ets

import { radio } from ‘@kit.TelephonyKit’;

import { BusinessError } from ‘@kit.BasicServicesKit’;

let slotId: number = 0;

let signalInfo: Array<radio.SignalInformation> = radio.getSignalInformationSync(slotId);

console.log(signal information size is: + signalInfo.length);

@Entry @Component struct Index {

build() {

Column(){

  Text("Hello Text")

}

} }