startLivenessDetection调用结束后检测流程并没有立刻完成，所以立刻调用getInteractiveLivenessResult接口并没有完成检测，获取不到检测结果，则是返回1008302000：Detection algorithm initialization的错误。建议startLivenessDetection使用callback回调检测。
import { common, abilityAccessCtrl, Permissions } from '@kit.AbilityKit'; import { interactiveLiveness } from '@kit.VisionKit'; import { BusinessError } from '@kit.BasicServicesKit'; import { hilog } from '@kit.PerformanceAnalysisKit'; @Entry @Component struct Index{ private context: common.UIAbilityContext = this.getUIContext().getHostContext() as common.UIAbilityContext; private array: Array<Permissions> = ["ohos.permission.CAMERA"]; @State actionsNum: number = 3; isSilentMode: string = "INTERACTIVE_MODE"; @State routeMode: string = "replace"; @State resultInfo: interactiveLiveness.InteractiveLivenessResult = { livenessType: 0 }; @State failResult: Record<string, number | string> = { "code": 1008302000, "message": "" }; build() { Stack({ alignContent: Alignment.Top }) { Column() { Row() { Flex({ direction: FlexDirection.Row, justifyContent: FlexAlign.Start, alignItems: ItemAlign.Center }) { Text("验证完的跳转模式：") .fontSize(18) .width("25%") Flex({ direction: FlexDirection.Row, justifyContent: FlexAlign.Start, alignItems: ItemAlign.Center }) { Row() { Radio({ value: "replace", group: "routeMode" }).checked(true) .height(24) .width(24) .onChange(() => { this.routeMode = "replace"; }) Text("replace") .fontSize(16) } } .width("75%") } } .margin({ bottom: 30 }) Row() { Flex({ direction: FlexDirection.Row, justifyContent: FlexAlign.Start, alignItems: ItemAlign.Center }) { Text("检测动作数量：") .fontSize(18) .width("25%") TextInput({ placeholder: this.actionsNum != 0 ? this.actionsNum.toString() : "动作数量为3或4个" }) .type(InputType.Number) .placeholderFont({ size: 18, weight: FontWeight.Normal, family: "HarmonyHeiTi", style: FontStyle.Normal }) .fontSize(18) .fontWeight(FontWeight.Bold) .fontFamily("HarmonyHeiTi") .fontStyle(FontStyle.Normal) .width("65%") .onChange((value: string) => { this.actionsNum = Number(value) as interactiveLiveness.ActionsNumber; }) } } } .margin({ left: 24, top: 80 }) .zIndex(1) Stack({ alignContent: Alignment.Bottom }) { if (this.resultInfo?.mPixelMap) { Image(this.resultInfo?.mPixelMap) .width(260) .height(260) .align(Alignment.Center) .margin({ bottom: 260 }) Circle() .width(300) .height(300) .fillOpacity(0) .strokeWidth(60) .stroke(Color.White) .margin({ bottom: 250, left: 0 }) } Text(this.resultInfo.mPixelMap ? "检测成功" : this.failResult.code !== 1008302000 ? "检测失败" : "") .width("100%") .height(26) .fontSize(20) .fontColor("#000000") .fontFamily("HarmonyHeiTi") .margin({ top: 50 }) .textAlign(TextAlign.Center) .fontWeight("Medium") .margin({ bottom: 240 }) if(this.failResult.code !== 1008302000) { Text(this.failResult.message as string) .width("100%") .height(26) .fontSize(16) .fontColor(Color.Gray) .textAlign(TextAlign.Center) .fontFamily("HarmonyHeiTi") .fontWeight("Medium") .margin({ bottom: 200 }) } Button("开始检测", { type: ButtonType.Normal, stateEffect: true }) .width(192) .height(40) .fontSize(16) .backgroundColor(0x317aff) .borderRadius(20) .margin({ bottom: 56 }) .onClick(() => { this.startDetection(); }) } .height("100%") } } onPageShow() { this.resultRelease(); this.getDetectionResultInfo(); } // 跳转到人脸活体检测控件 private routerLibrary() { let routerOptions: interactiveLiveness.InteractiveLivenessConfig = { isSilentMode: this.isSilentMode as interactiveLiveness.DetectionMode, routeMode: this.routeMode as interactiveLiveness.RouteRedirectionMode, actionsNum: this.actionsNum }; if (canIUse("SystemCapability.AI.Component.LivenessDetect")) { interactiveLiveness.startLivenessDetection(routerOptions, (err: BusinessError, result: interactiveLiveness.InteractiveLivenessResult | undefined) => { // 当路由跳转错误时，获取结果失败，result返回undefined if(err.code !== 0 && !result) { // 在发生错误如路由跳转失败/参数错误/权限被拒绝时，会抛出错误码，详见ArkTS API错误码 hilog.error(0x0001, "LivenessCollectionIndex", `Failed to detect. Code：${err.code}，message：${err.message}`); return; }else{ if(result?.mPixelMap) { console.info('有图片信息'); }else { console.info('没有图片信息'); } } hilog.info(0x0001, 'LivenessCollectionIndex', `Succeeded in detecting result：${result}`); }).catch(() => { hilog.error(0x0001, 'LivenessCollectionIndex', `Failed to startLivenessDetection`); }); } else { hilog.error(0x0001, "LivenessCollectionIndex", 'this api is not supported on this device'); } } // 校验CAMERA权限 private startDetection() { abilityAccessCtrl.createAtManager().requestPermissionsFromUser(this.context, this.array).then((res) => { for (let i = 0; i < res.permissions.length; i++) { if (res.permissions[i] === "ohos.permission.CAMERA" && res.authResults[i] === 0) { this.routerLibrary(); } } }).catch((err: BusinessError) => { hilog.error(0x0001, "LivenessCollectionIndex", `Failed to request permissions from user. Code is ${err.code}, message is ${err.message}`); }); } // 获取验证结果 private getDetectionResultInfo() { // getInteractiveLivenessResult接口调用完会释放资源 if (canIUse("SystemCapability.AI.Component.LivenessDetect")) { interactiveLiveness.getInteractiveLivenessResult().then(data => { this.resultInfo = data; }).catch((err: BusinessError) => { this.failResult = { "code": err.code, "message": err.message }; }); } else { hilog.error(0x0001, "LivenessCollectionIndex", 'this api is not supported on this device'); } } // result release private resultRelease() { this.resultInfo = { livenessType: 0 }; this.failResult = { "code": 1008302000, "message": "" }; } }