/* * Copyright (c) 2021-2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { AsyncCallback } from './basic'; /** * Provides methods to operate or manage NFC card emulation. * * @import import cardEmulation from '@ohos.nfc.cardEmulation'; * * @since 6 * @syscap SystemCapability.Communication.NFC.Core */ declare namespace cardEmulation { enum FeatureType { /** This constant is used to check whether HCE card emulation is supported. */ HCE = 0, /** This constant is used to check whether SIM card emulation is supported. */ UICC = 1, /** This constant is used to check whether eSE card emulation is supported. */ ESE = 2, } /** * Checks whether a specified type of card emulation is supported. * *

This method is used to check Whether the host or secure element supports card emulation. * * @param feature Indicates the card emulation type, {@code HCE}, {@code UICC}, or {@code ESE}. * @return Returns {@code true} if the specified type of card emulation is supported; returns * {@code false} otherwise. * * @since 6 */ function isSupported(feature: number): boolean; /** * A class for NFC host application. * *

The NFC host application use this class, then Nfc service can access the application * installation information and connect to services of the application. * * @since 8 * @syscap SystemCapability.Communication.NFC.Core */ export class HceService { /** * start HCE * * @return Returns {@code true} if HCE is enabled or has been enabled; returns {@code false} otherwise. * @permission ohos.permission.NFC_CARD_EMULATION * * @since 8 */ startHCE(aidList: string[]): boolean; /** * stop HCE * * @return Returns {@code true} if HCE is disabled or has been disabled; returns {@code false} otherwise. * @permission ohos.permission.NFC_CARD_EMULATION * * @since 8 */ stopHCE(): boolean; /** * register HCE event to receive the APDU data. * * @param type the type to register. * @param callback Callback used to listen for HCE data device received. * @permission ohos.permission.NFC_CARD_EMULATION * * @since 8 */ on(type: "hceCmd", callback: AsyncCallback): void; /** * Sends a response APDU to the remote device. * *

This method is used by a host application when swiping card. * * @param responseApdu Indicates the response, which is a byte array. * @permission ohos.permission.NFC_CARD_EMULATION * * @since 8 */ sendResponse(responseApdu: number[]): void; } } export default cardEmulation;