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 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;
diff --git a/api/@ohos.nfc.controller.d.ts b/api/@ohos.nfc.controller.d.ts
new file mode 100755
index 0000000000000000000000000000000000000000..35c767cb74618c89ea51714b075c0c164d8ad750
--- /dev/null
+++ b/api/@ohos.nfc.controller.d.ts
@@ -0,0 +1,116 @@
+/*
+ * 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 { Callback } from './basic';
+
+/**
+ * Provides methods to operate or manage NFC.
+ *
+ * @import import controller from '@ohos.nfc.controller';
+ *
+ * @since 7
+ * @syscap SystemCapability.Communication.NFC.Core
+ */
+declare namespace nfcController {
+ enum NfcState {
+ /** Indicates that NFC is disabled. */
+ STATE_OFF = 1,
+
+ /** Indicates that NFC is being enabled. */
+ STATE_TURNING_ON = 2,
+
+ /** Indicates that NFC is enabled. */
+ STATE_ON = 3,
+
+ /** Indicates that NFC is being disabled. */
+ STATE_TURNING_OFF = 4,
+ }
+
+ /**
+ * Checks whether a device supports NFC.
+ *
+ * @return Returns {@code true} if the device supports NFC; returns {@code false} otherwise.
+ *
+ * @since 7
+ */
+ function isNfcAvailable(): boolean
+
+ /**
+ * register nfc state changed event.
+ *
+ * @param type the type to register.
+ * @param callback Callback used to listen for the nfc state changed event.
+ *
+ * @since 7
+ */
+
+ function on(type: "nfcStateChange", callback: Callback The NFC status can be any of the following: During tag reading, if the tag supports the NFC-A technology, an {@code NfcATag} object
+ * will be created based on the tag information.
+ *
+ * @param tagInfo Indicates the tag information.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ function getNfcATag(tagInfo: TagInfo): NfcATag
+
+ /**
+ * Obtains an {@code NfcBTag} object based on the tag information.
+ *
+ * During tag reading, if the tag supports the NFC-B technology, an {@code NfcBTag} object
+ * will be created based on the tag information.
+ *
+ * @param tagInfo Indicates the tag information.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ function getNfcBTag(tagInfo: TagInfo): NfcBTag
+
+ /**
+ * Obtains an {@code NfcFTag} object based on the tag information.
+ *
+ * During tag reading, if the tag supports the NFC-F technology, an {@code NfcFTag} object
+ * will be created based on the tag information.
+ *
+ * @param tagInfo Indicates the tag information.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ function getNfcFTag(tagInfo: TagInfo): NfcFTag
+
+ /**
+ * Obtains an {@code NfcVTag} object based on the tag information.
+ *
+ * During tag reading, if the tag supports the NFC-V technology, an {@code NfcVTag} object
+ * will be created based on the tag information.
+ *
+ * @param tagInfo Indicates the tag information.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ function getNfcVTag(tagInfo: TagInfo): NfcVTag
+
+
+ /**
+ * Provides tag information.
+ *
+ * This class provides the technology a tag supports, for example, NFC-A. Applications can create
+ * different tags based on the supported technology.
+ *
+ * @since 7
+ * @syscap SystemCapability.Communication.NFC.Core
+ * @permission ohos.permission.NFC_TAG
+ */
+ export interface TagInfo {
+ supportedProfiles: number[];
+ }
+}
+export default tag;
\ No newline at end of file
diff --git a/api/tag/nfctech.d.ts b/api/tag/nfctech.d.ts
new file mode 100755
index 0000000000000000000000000000000000000000..fbcc5f289705884a21a3b70516a96e72a2e9cd6e
--- /dev/null
+++ b/api/tag/nfctech.d.ts
@@ -0,0 +1,139 @@
+/*
+ * 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 { TagSession } form './tagSession';
+
+/**
+ * Provides interfaces to control the read and write of tags that support the NFC-A technology.
+ *
+ * This class is inherited from the {@link TagSession} abstract class, and provides methods to create
+ * {@code NfcATag} objects and obtain the ATQA and SAK.
+ *
+ * @since 7
+ * @syscap SystemCapability.Communication.NFC.Core
+ */
+export interface NfcATag extends TagSession{
+ /**
+ * Obtains the SAK of an NFC-A tag.
+ *
+ * @return Returns the SAK of the NFC-A tag.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getSak():number;
+
+ /**
+ * Obtains the ATQA of an NFC-A tag.
+ *
+ * @return Returns the ATQA of the NFC-A tag.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getAtqa():number[];
+}
+
+/**
+ * Provides interfaces to create an {@code NfcBTag} and perform I/O operations on the tag.
+ *
+ * This class inherits from the {@link TagSession} abstract class and provides interfaces to create an
+ * {@code NfcBTag} and obtain the tag information.
+ *
+ * @since 7
+ * @syscap SystemCapability.Communication.NFC.Core
+ */
+export interface NfcBTag extends TagSession{
+ /**
+ * Obtains the application data of a tag.
+ *
+ * @return Returns the application data of the tag.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getRespAppData():number[];
+
+ /**
+ * Obtains the protocol information of a tag.
+ *
+ * @return Returns the protocol information of the tag.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getRespProtocol():number[];
+}
+
+/**
+ * Provides methods for creating an NFC-F tag, obtaining tag information, and controlling tag read and write.
+ *
+ * This class inherits from the {@link TagSession} abstract class and provides interfaces to create an
+ * {@code NfcFTag} and obtain the tag information.
+ *
+ * @since 7
+ * @syscap SystemCapability.Communication.NFC.Core
+ */
+export interface NfcFTag extends TagSession{
+ /**
+ * Obtains the system code from this {@code NfcFTag} instance.
+ *
+ * @return Returns the system code.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getSystemCode():number[];
+
+ /**
+ * Obtains the PMm (consisting of the IC code and manufacturer parameters) from this {@code NfcFTag} instance.
+ *
+ * @return Returns the PMm.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getPmm():number[];
+}
+
+/**
+ * Provides methods for creating an NFC-V tag, obtaining tag information, and controlling tag read and write.
+ *
+ * This class inherits from the {@link TagSession} abstract class and provides interfaces to create an
+ * {@code NfcVTag} and obtain the tag information.
+ *
+ * @since 7
+ * @syscap SystemCapability.Communication.NFC.Core
+ */
+export interface NfcVTag extends TagSession{
+ /**
+ * Obtains the response flags from this {@code NfcVTag} instance.
+ *
+ * @return Returns the response flags.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getResponseFlags():number;
+
+ /**
+ * Obtains the data storage format identifier (DSFID) from this {@code NfcVTag} instance.
+ *
+ * @return Returns the DSFID.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getDsfId():number;
+}
diff --git a/api/tag/tagSession.d.ts b/api/tag/tagSession.d.ts
new file mode 100755
index 0000000000000000000000000000000000000000..c50deecbf24d84f28553ac5c17e9d41e8e703c15
--- /dev/null
+++ b/api/tag/tagSession.d.ts
@@ -0,0 +1,132 @@
+/*
+ * 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 tag from '../ohos.nfc.tag';
+import { AsyncCallback } form './basic';
+
+/**
+ * Controls tag read and write.
+ *
+ * Classes for different types of tags inherit from this abstract class to control connections to
+ * tags, read data from tags, and write data to tags.
+ *
+ * @since 7
+ * @syscap SystemCapability.Communication.NFC.Core
+ */
+export interface TagSession {
+ /**
+ * Obtains the tag information.
+ *
+ * @return Returns the tag information, which is a {@link TagInfo} object.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getTagInfo(): tag.TagInfo;
+
+ /**
+ * Connects to a tag.
+ *
+ * This method must be called before data is read from or written to the tag.
+ *
+ * @return Returns {@code true} if the connection is set up; returns {@code false} otherwise.
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ connectTag(): boolean;
+
+ /**
+ * Resets a connection with a tag and restores the default timeout duration for writing data to the tag.
+ *
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ reset(): void;
+
+ /**
+ * Checks whether a connection has been set up with a tag.
+ *
+ * @return Returns {@code true} if a connection has been set up with the tag;
+ * returns {@code false} otherwise.
+ *
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ isTagConnected(); boolean;
+
+ /**
+ * Sets the timeout duration (ms) for sending data to a tag.
+ *
+ * If data is not sent to the tag within the duration, data sending fails.
+ *
+ * @param timeout Indicates the timeout duration to be set.
+ * @return Returns {@code true} if the setting is successful; returns {@code false} otherwise.
+ *
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ setSendDataTimeout(timeout: number): boolean;
+
+ /**
+ * Queries the timeout duration (ms) for sending data to a tag.
+ *
+ * @return Returns the timeout duration.
+ *
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ getSendDataTimeout(): number;
+
+ /**
+ * Writes data to a tag.
+ *
+ * @param data Indicates the data to be written to the tag.
+ * @return Returns bytes received in response. Or bytes with a length of 0 if the
+ * data fails to be written to the tag.
+ *
+ * @permission ohos.permission.NFC_TAG
+ *
+ * @since 7
+ */
+ sendData(data: number[]): Promise
+ *
+ * @return Returns the NFC status.
+ *
+ * @since 7
+ */
+ function getNfcState(): boolean
+}
+
+export default nfcController;
\ No newline at end of file
diff --git a/api/@ohos.nfc.tag.d.ts b/api/@ohos.nfc.tag.d.ts
new file mode 100755
index 0000000000000000000000000000000000000000..78ec3e6702cef7f4ee06df2694a3091ad41dafea
--- /dev/null
+++ b/api/@ohos.nfc.tag.d.ts
@@ -0,0 +1,118 @@
+/*
+ * 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 { NfcATag, NfcBTag, NfcFTag, NfcVTag } from './tag/nfctech';
+
+/**
+ * Provides methods to operate or manage NFC tag.
+ *
+ * @import import tag from '@ohos.nfc.tag';
+ *
+ * @since 7
+ * @sysCap SystemCapability.Communication.NFC.Core
+ */
+declare namespace tag {
+ /** Indicates an NFC-A tag. */
+ const NFC_A = 1;
+
+ /** Indicates an NFC-B tag. */
+ const NFC_B = 2;
+
+ /** Indicates an ISO-DEP tag. */
+ const ISO_DEP = 3;
+
+ /** Indicates an NFC-F tag. */
+ const NFC_F = 4;
+
+ /** Indicates an NFC-V tag. */
+ const NFC_V = 5;
+
+ /** Indicated an NDEF tag. */
+ const NDEF = 6;
+
+ /** Indicates a MifareClassic tag. */
+ const MIFARE_CLASSIC = 8;
+
+ /** Indicates a MifareUltralight tag. */
+ const MIFARE_ULTRALIGHT = 9;
+
+ /**
+ * Obtains an {@code NfcATag} object based on the tag information.
+ *
+ *