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!14000 [翻译完成】#I67371 

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en/application-dev/reference/apis/js-apis-cardEmulation.md
浏览文件 @ 3e790a35
# @ohos.nfc.cardEmulation # @ohos.nfc.cardEmulation (Standard NFC Card Emulation)
The **cardEmulation** module implements Near-Field Communication (NFC) card emulation. You can use the APIs provided by this module to determine the card emulation type supported and implement Host-based Card Emulation (HCE). The **cardEmulation** module implements Near-Field Communication (NFC) card emulation. You can use the APIs provided by this module to determine the card emulation type supported and implement Host-based Card Emulation (HCE).
...@@ -16,7 +16,7 @@ import cardEmulation from '@ohos.nfc.cardEmulation'; ...@@ -16,7 +16,7 @@ import cardEmulation from '@ohos.nfc.cardEmulation';
Enumerates the NFC card emulation types. Enumerates the NFC card emulation types.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.CardEmulation
| Name| Value| Description| | Name| Value| Description|
| -------- | -------- | -------- | | -------- | -------- | -------- |
...@@ -24,13 +24,24 @@ Enumerates the NFC card emulation types. ...@@ -24,13 +24,24 @@ Enumerates the NFC card emulation types.
| UICC | 1 | Subscriber identity module (SIM) card emulation.| | UICC | 1 | Subscriber identity module (SIM) card emulation.|
| ESE | 2 | embedded Secure Element (eSE) emulation.| | ESE | 2 | embedded Secure Element (eSE) emulation.|
## CardType
Enumerates the card emulation application types.
**System capability**: SystemCapability.Communication.NFC.CardEmulation
| Name| Value| Description|
| -------- | -------- | -------- |
| PAYMENT | "payment" | Payment type.|
| OTHER | "other" | Other types. |
## cardEmulation.isSupported ## cardEmulation.isSupported
isSupported(feature: number): boolean isSupported(feature: number): boolean
Checks whether a certain type of card emulation is supported. Checks whether a certain type of card emulation is supported.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.CardEmulation
**Parameters** **Parameters**
...@@ -44,6 +55,27 @@ Checks whether a certain type of card emulation is supported. ...@@ -44,6 +55,27 @@ Checks whether a certain type of card emulation is supported.
| -------- | -------- | | -------- | -------- |
| boolean | Returns **true** if the card emulation type is supported; returns **false** otherwise.| | boolean | Returns **true** if the card emulation type is supported; returns **false** otherwise.|
## cardEmulation.isDefaultService
isDefaultService(elementName: ElementName, type: CardType): boolean
Checks whether the specified application is of the default payment type.
**System capability**: SystemCapability.Communication.NFC.CardEmulation
**Parameters**
| Name | Type | Mandatory| Description |
| ------- | -------- | ---- | ----------------------- |
| elementName | [ElementName](js-apis-bundleManager-elementName.md#elementname) | Yes| Application description, which includes the bundle name and component name.|
| type | [CardType](#cardtype) | Yes| Application description, which includes the bundle name and component name.|
**Return value**
| **Type**| **Description**|
| -------- | -------- |
| boolean | Returns **true** if the application is the default payment application; returns **false** otherwise.|
## HceService<sup>8+</sup> ## HceService<sup>8+</sup>
Implements HCE, including receiving Application Protocol Data Units (APDUs) from the peer card reader and sending a response. Before using HCE-related APIs, check whether the device supports HCE. Implements HCE, including receiving Application Protocol Data Units (APDUs) from the peer card reader and sending a response. Before using HCE-related APIs, check whether the device supports HCE.
...@@ -56,7 +88,7 @@ Starts HCE, including setting the application to be foreground preferred and dyn ...@@ -56,7 +88,7 @@ Starts HCE, including setting the application to be foreground preferred and dyn
**Required permissions**: ohos.permission.NFC_CARD_EMULATION **Required permissions**: ohos.permission.NFC_CARD_EMULATION
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.CardEmulation
**Parameters** **Parameters**
...@@ -72,7 +104,7 @@ Stops HCE, including removing the foreground preferred attribute and releasing t ...@@ -72,7 +104,7 @@ Stops HCE, including removing the foreground preferred attribute and releasing t
**Required permissions**: ohos.permission.NFC_CARD_EMULATION **Required permissions**: ohos.permission.NFC_CARD_EMULATION
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.CardEmulation
### on<sup>8+</sup> ### on<sup>8+</sup>
...@@ -82,14 +114,14 @@ Registers a callback to receive APDUs from the peer card reader. ...@@ -82,14 +114,14 @@ Registers a callback to receive APDUs from the peer card reader.
**Required permissions**: ohos.permission.NFC_CARD_EMULATION **Required permissions**: ohos.permission.NFC_CARD_EMULATION
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.CardEmulation
**Parameters** **Parameters**
| Name | Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | ----------------------- | ---- | -------------------------------------------- | | -------- | ----------------------- | ---- | -------------------------------------------- |
| type | string | Yes | Event type to subscribe to. The value is **hceCmd**. | | type | string | Yes | Event type to subscribe to. The value is **hceCmd**. |
| callback | AsyncCallback<number[]> | Yes | Callback invoked to return the APDU. Each number in the callback is a hexadecimal number ranging from **0x00** to **0xFF**.| | callback | AsyncCallback<number[]> | Yes | Callback invoked to return the APDU, which consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
### sendResponse<sup>8+</sup> ### sendResponse<sup>8+</sup>
...@@ -99,13 +131,13 @@ Sends a response to the peer card reader. ...@@ -99,13 +131,13 @@ Sends a response to the peer card reader.
**Required permissions**: ohos.permission.NFC_CARD_EMULATION **Required permissions**: ohos.permission.NFC_CARD_EMULATION
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.CardEmulation
**Parameters** **Parameters**
| Name | Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| ------------ | -------- | ---- | -------------------------------------------------- | | ------------ | -------- | ---- | -------------------------------------------------- |
| responseApdu | number[] | Yes | Response APDU sent to the peer card reader. Each number of the APDU is a hexadecimal number ranging from **0x00** to **0xFF**.| | responseApdu | number[] | Yes | Response APDU sent to the peer card reader. The value consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
**Example** **Example**
...@@ -118,6 +150,13 @@ if (!isHceSupported) { ...@@ -118,6 +150,13 @@ if (!isHceSupported) {
return; return;
} }
var elementName = {
"bundleName": "com.test.cardemulation",
"abilityName": "com.test.cardemulation.MainAbility",
};
var isDefaultService = cardEmulation.isDefaultService(elementName, cardEmulation.CardType.PAYMENT);
console.log('is the app is default service for this card type: ' + isDefaultService);
// The device supports HCE and transimits APDUs with the remote NFC reader. // The device supports HCE and transimits APDUs with the remote NFC reader.
var hceService = new cardEmulation.HceService(); var hceService = new cardEmulation.HceService();
hceService.startHCE([ hceService.startHCE([
...@@ -135,6 +174,6 @@ hceService.on("hceCmd", (err, res) => { ...@@ -135,6 +174,6 @@ hceService.on("hceCmd", (err, res) => {
} }
}) })
// Stop HCE when the application exits the NFC card emulation. // stop HCE when the application exit the nfc card emulation.
hceService.stopHCE(); hceService.stopHCE();
``` ```
en/application-dev/reference/apis/js-apis-nfcTag.md
浏览文件 @ 3e790a35
# @ohos.nfc.tag # @ohos.nfc.tag (Standard NFC Tags)
The **nfcTag** module provides APIs for managing Near-Field Communication (NFC) tags. The **nfcTag** module provides APIs for managing Near-Field Communication (NFC) tags.
...@@ -128,7 +128,7 @@ Obtains an **NfcATag** object, which allows access to the tags that use the NFC- ...@@ -128,7 +128,7 @@ Obtains an **NfcATag** object, which allows access to the tags that use the NFC-
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -144,7 +144,7 @@ Obtains an **NfcBTag** object, which allows access to the tags that use the NFC- ...@@ -144,7 +144,7 @@ Obtains an **NfcBTag** object, which allows access to the tags that use the NFC-
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -160,7 +160,7 @@ Obtains an **NfcFTag** object, which allows access to the tags that use the NFC- ...@@ -160,7 +160,7 @@ Obtains an **NfcFTag** object, which allows access to the tags that use the NFC-
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -176,7 +176,7 @@ Obtains an **NfcVTag** object, which allows access to the tags that use the NFC- ...@@ -176,7 +176,7 @@ Obtains an **NfcVTag** object, which allows access to the tags that use the NFC-
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -190,7 +190,7 @@ getIsoDep(tagInfo: [TagInfo](#taginfo)): [IsoDepTag](js-apis-nfctech.md#isoDepTa ...@@ -190,7 +190,7 @@ getIsoDep(tagInfo: [TagInfo](#taginfo)): [IsoDepTag](js-apis-nfctech.md#isoDepTa
Obtains an **IsoDepTag** object, which allows access to the tags that use the ISO-DEP technology. Obtains an **IsoDepTag** object, which allows access to the tags that use the ISO-DEP technology.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -218,7 +218,7 @@ getNdef(tagInfo: [TagInfo](#taginfo)): [NdefTag](js-apis-nfctech.md#ndeftag9) ...@@ -218,7 +218,7 @@ getNdef(tagInfo: [TagInfo](#taginfo)): [NdefTag](js-apis-nfctech.md#ndeftag9)
Obtains an **NdefTag** object, which allows access to the tags in the NFC Data Exchange Format (NDEF). Obtains an **NdefTag** object, which allows access to the tags in the NFC Data Exchange Format (NDEF).
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -242,11 +242,11 @@ For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode ...@@ -242,11 +242,11 @@ For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode
## tag.getMifareClassic<sup>9+</sup> ## tag.getMifareClassic<sup>9+</sup>
getMifareClassic(tagInfo: [TagInfo](#taginfo)): [MifareClassicTag](js-apis-nfctech.md#mifareclassictag9) getMifareClassic(tagInfo: [TagInfo](#taginfo)): [MifareClassicTag](js-apis-nfctech.md#mifareclassictag-9)
Obtains a **MifareClassicTag** object, which allows access to the tags that use MIFARE Classic. Obtains a **MifareClassicTag** object, which allows access to the tags that use MIFARE Classic.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -258,7 +258,7 @@ Obtains a **MifareClassicTag** object, which allows access to the tags that use ...@@ -258,7 +258,7 @@ Obtains a **MifareClassicTag** object, which allows access to the tags that use
| **Type**| **Description** | | **Type**| **Description** |
| ----------------- | ------------------------| | ----------------- | ------------------------|
| [MifareClassicTag](js-apis-nfctech.md#mifareclassictag9) | **MifareClassicTag** object obtained.| | [MifareClassicTag](js-apis-nfctech.md#mifareclassictag-9) | **MifareClassicTag** object obtained.|
**Error codes** **Error codes**
...@@ -274,7 +274,7 @@ getMifareUltralight(tagInfo: [TagInfo](#taginfo)): [MifareUltralightTag](js-apis ...@@ -274,7 +274,7 @@ getMifareUltralight(tagInfo: [TagInfo](#taginfo)): [MifareUltralightTag](js-apis
Obtains a **MifareUltralightTag** object, which allows access to the tags that use MIFARE Ultralight. Obtains a **MifareUltralightTag** object, which allows access to the tags that use MIFARE Ultralight.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
| Name | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
...@@ -301,7 +301,7 @@ getNdefFormatable(tagInfo: [TagInfo](#taginfo)): [NdefFormatableTag](js-apis-nfc ...@@ -301,7 +301,7 @@ getNdefFormatable(tagInfo: [TagInfo](#taginfo)): [NdefFormatableTag](js-apis-nfc
Obtains an **NdefFormatableTag** object, which allows access to the tags that are NDEF formattable. Obtains an **NdefFormatableTag** object, which allows access to the tags that are NDEF formattable.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -323,7 +323,7 @@ getTagInfo(want: [Want](js-apis-app-ability-want.md#Want)): [TagInfo](#taginfo) ...@@ -323,7 +323,7 @@ getTagInfo(want: [Want](js-apis-app-ability-want.md#Want)): [TagInfo](#taginfo)
Obtains **TagInfo** from **Want**, which is initialized by the NFC service and contains the attributes required by **TagInfo**. Obtains **TagInfo** from **Want**, which is initialized by the NFC service and contains the attributes required by **TagInfo**.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -344,7 +344,7 @@ makeUriRecord(uri: string): [NdefRecord](#ndefrecord9); ...@@ -344,7 +344,7 @@ makeUriRecord(uri: string): [NdefRecord](#ndefrecord9);
Creates an NDEF record based on the specified URI. Creates an NDEF record based on the specified URI.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -373,7 +373,7 @@ try { ...@@ -373,7 +373,7 @@ try {
console.log("ndefMessage makeUriRecord ndefRecord: " + ndefRecord); console.log("ndefMessage makeUriRecord ndefRecord: " + ndefRecord);
} }
} catch (busiError) { } catch (busiError) {
console.log("ndefMessage makeUriRecord catched busiError: " + busiError); console.log("ndefMessage makeUriRecord caught busiError: " + busiError);
} }
``` ```
...@@ -383,7 +383,7 @@ makeTextRecord(text: string, locale: string): [NdefRecord](#ndefrecord9); ...@@ -383,7 +383,7 @@ makeTextRecord(text: string, locale: string): [NdefRecord](#ndefrecord9);
Creates an NDEF record based on the specified text data and encoding type. Creates an NDEF record based on the specified text data and encoding type.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -414,7 +414,7 @@ try { ...@@ -414,7 +414,7 @@ try {
console.log("ndefMessage makeTextRecord ndefRecord: " + ndefRecord); console.log("ndefMessage makeTextRecord ndefRecord: " + ndefRecord);
} }
} catch (busiError) { } catch (busiError) {
console.log("ndefMessage makeTextRecord catched busiError: " + busiError); console.log("ndefMessage makeTextRecord caught busiError: " + busiError);
} }
``` ```
...@@ -425,7 +425,7 @@ makeMimeRecord(mimeType: string, mimeData: number[]): [NdefRecord](#ndefrecord9) ...@@ -425,7 +425,7 @@ makeMimeRecord(mimeType: string, mimeData: number[]): [NdefRecord](#ndefrecord9)
Creates an NDEF record based on the specified MIME data and type. Creates an NDEF record based on the specified MIME data and type.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -456,7 +456,7 @@ try { ...@@ -456,7 +456,7 @@ try {
console.log("ndefMessage makeMimeRecord ndefRecord: " + ndefRecord); console.log("ndefMessage makeMimeRecord ndefRecord: " + ndefRecord);
} }
} catch (busiError) { } catch (busiError) {
console.log("ndefMessage makeMimeRecord catched busiError: " + busiError); console.log("ndefMessage makeMimeRecord caught busiError: " + busiError);
} }
``` ```
## tag.ndef.makeExternalRecord<sup>9+</sup> ## tag.ndef.makeExternalRecord<sup>9+</sup>
...@@ -465,7 +465,7 @@ makeExternalRecord(domainName: string, type: string, externalData: number[]): [N ...@@ -465,7 +465,7 @@ makeExternalRecord(domainName: string, type: string, externalData: number[]): [N
Creates an NDEF record based on application-specific data. Creates an NDEF record based on application-specific data.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -498,7 +498,7 @@ try { ...@@ -498,7 +498,7 @@ try {
console.log("ndefMessage makeExternalRecord ndefRecord: " + ndefRecord); console.log("ndefMessage makeExternalRecord ndefRecord: " + ndefRecord);
} }
} catch (busiError) { } catch (busiError) {
console.log("ndefMessage makeExternalRecord catched busiError: " + busiError); console.log("ndefMessage makeExternalRecord caught busiError: " + busiError);
} }
``` ```
...@@ -508,7 +508,7 @@ messageToBytes(ndefMessage: [NdefMessage](js-apis-nfctech.md#ndefmessage9)): num ...@@ -508,7 +508,7 @@ messageToBytes(ndefMessage: [NdefMessage](js-apis-nfctech.md#ndefmessage9)): num
Converts an NDEF message to bytes. Converts an NDEF message to bytes.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -540,7 +540,7 @@ try { ...@@ -540,7 +540,7 @@ try {
let rawData2 = tag.ndef.messageToBytes(ndefMessage); let rawData2 = tag.ndef.messageToBytes(ndefMessage);
console.log("ndefMessage messageToBytes rawData2: " + rawData2); console.log("ndefMessage messageToBytes rawData2: " + rawData2);
} catch (busiError) { } catch (busiError) {
console.log("ndefMessage messageToBytes catched busiError: " + busiError); console.log("ndefMessage messageToBytes caught busiError: " + busiError);
} }
``` ```
## tag.ndef.createNdefMessage<sup>9+</sup> ## tag.ndef.createNdefMessage<sup>9+</sup>
...@@ -549,7 +549,7 @@ createNdefMessage(data: number[]): [NdefMessage](js-apis-nfctech.md#ndefmessage9 ...@@ -549,7 +549,7 @@ createNdefMessage(data: number[]): [NdefMessage](js-apis-nfctech.md#ndefmessage9
Creates an NDEF message from raw byte data. The data must comply with the NDEF record format. Otherwise, the NDE record list contained in the **NdefMessage** object will be empty. Creates an NDEF message from raw byte data. The data must comply with the NDEF record format. Otherwise, the NDE record list contained in the **NdefMessage** object will be empty.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -583,7 +583,7 @@ createNdefMessage(ndefRecords: NdefRecord[]): [NdefMessage](js-apis-nfctech.md#n ...@@ -583,7 +583,7 @@ createNdefMessage(ndefRecords: NdefRecord[]): [NdefMessage](js-apis-nfctech.md#n
Creates an NDEF message from the NDEF records list. Creates an NDEF message from the NDEF records list.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -618,7 +618,7 @@ try { ...@@ -618,7 +618,7 @@ try {
Defines the **TagInfo** object, which provides information about the tag technologies supported by a card. Defines the **TagInfo** object, which provides information about the tag technologies supported by a card.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
...@@ -633,7 +633,7 @@ Defines the **TagInfo** object, which provides information about the tag technol ...@@ -633,7 +633,7 @@ Defines the **TagInfo** object, which provides information about the tag technol
## NdefRecord<sup>9+</sup> ## NdefRecord<sup>9+</sup>
Defines an NDEF record. For details, see *NFCForum-TS-NDEF_1.0*. Defines an NDEF record. For details, see *NFCForum-TS-NDEF_1.0*.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Type**| **Readable**| **Writable**| **Description**| | **Name**| **Type**| **Readable**| **Writable**| **Description**|
| -------- | -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- | -------- |
...@@ -645,7 +645,7 @@ Defines an NDEF record. For details, see *NFCForum-TS-NDEF_1.0*. ...@@ -645,7 +645,7 @@ Defines an NDEF record. For details, see *NFCForum-TS-NDEF_1.0*.
## Technology Type Definition ## Technology Type Definition
Enumerates the tag technology types. Enumerates the tag technology types.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Value**| **Description**| | **Name**| **Value**| **Description**|
| -------- | -------- | -------- | | -------- | -------- | -------- |
...@@ -662,7 +662,7 @@ Enumerates the tag technology types. ...@@ -662,7 +662,7 @@ Enumerates the tag technology types.
## TnfType<sup>9+</sup> ## TnfType<sup>9+</sup>
Enumerates the TNF types. For details, see *NFCForum-TS-NDEF_1.0*. Enumerates the TNF types. For details, see *NFCForum-TS-NDEF_1.0*.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Value**| **Description**| | **Name**| **Value**| **Description**|
| -------- | -------- | -------- | | -------- | -------- | -------- |
...@@ -677,7 +677,7 @@ Enumerates the TNF types. For details, see *NFCForum-TS-NDEF_1.0*. ...@@ -677,7 +677,7 @@ Enumerates the TNF types. For details, see *NFCForum-TS-NDEF_1.0*.
## NDEF Record RTD ## NDEF Record RTD
Enumerates the NDEF record types. For details about the RTD, see *NFCForum-TS-NDEF_1.0*. Enumerates the NDEF record types. For details about the RTD, see *NFCForum-TS-NDEF_1.0*.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Value**| **Description**| | **Name**| **Value**| **Description**|
| -------- | -------- | -------- | | -------- | -------- | -------- |
...@@ -687,7 +687,7 @@ Enumerates the NDEF record types. For details about the RTD, see *NFCForum-TS-ND ...@@ -687,7 +687,7 @@ Enumerates the NDEF record types. For details about the RTD, see *NFCForum-TS-ND
## NfcForumType<sup>9+</sup> ## NfcForumType<sup>9+</sup>
Enumerates the NFC Forum tag types. Enumerates the NFC Forum tag types.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Value**| **Description**| | **Name**| **Value**| **Description**|
| -------- | -------- | -------- | | -------- | -------- | -------- |
...@@ -700,7 +700,7 @@ Enumerates the NFC Forum tag types. ...@@ -700,7 +700,7 @@ Enumerates the NFC Forum tag types.
## MifareClassicType<sup>9+</sup> ## MifareClassicType<sup>9+</sup>
Enumerates the MIFARE Classic tag types. Enumerates the MIFARE Classic tag types.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Value**| **Description**| | **Name**| **Value**| **Description**|
| -------- | -------- | -------- | | -------- | -------- | -------- |
...@@ -710,9 +710,9 @@ Enumerates the MIFARE Classic tag types. ...@@ -710,9 +710,9 @@ Enumerates the MIFARE Classic tag types.
| TYPE_PRO | 3 | MIFARE Pro.| | TYPE_PRO | 3 | MIFARE Pro.|
## MifareClassicSize<sup>9+</sup> ## MifareClassicSize<sup>9+</sup>
Enumerates the sizes of MIFARE Classic tags. Enumerates the sizes of a MIFARE Classic tag.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Value**| **Description**| | **Name**| **Value**| **Description**|
| -------- | -------- | -------- | | -------- | -------- | -------- |
...@@ -724,7 +724,7 @@ Enumerates the sizes of MIFARE Classic tags. ...@@ -724,7 +724,7 @@ Enumerates the sizes of MIFARE Classic tags.
## MifareUltralightType<sup>9+</sup> ## MifareUltralightType<sup>9+</sup>
Enumerates the MIFARE Ultralight tag types. Enumerates the MIFARE Ultralight tag types.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
| **Name**| **Value**| **Description**| | **Name**| **Value**| **Description**|
| -------- | -------- | -------- | | -------- | -------- | -------- |
......
en/application-dev/reference/apis/js-apis-nfctech.md
浏览文件 @ 3e790a35
# nfctech # nfctech (Standard NFC Technologies)
The **nfctech** module provides APIs for reading and writing tags that use different Near-Field Communication (NFC) technologies. The **nfctech** module provides APIs for reading and writing tags that use different Near-Field Communication (NFC) technologies.
...@@ -28,7 +28,7 @@ Obtains the SAK value of this NFC-A tag. ...@@ -28,7 +28,7 @@ Obtains the SAK value of this NFC-A tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -54,7 +54,7 @@ Obtains the ATQA value of this NFC-A tag. ...@@ -54,7 +54,7 @@ Obtains the ATQA value of this NFC-A tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -88,7 +88,7 @@ Obtains the application data of this NFC-B tag. ...@@ -88,7 +88,7 @@ Obtains the application data of this NFC-B tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -114,7 +114,7 @@ Obtains the protocol information of this NFC-B tag. ...@@ -114,7 +114,7 @@ Obtains the protocol information of this NFC-B tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -148,7 +148,7 @@ Obtains the system code from this NFC-F tag. ...@@ -148,7 +148,7 @@ Obtains the system code from this NFC-F tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -174,7 +174,7 @@ Obtains the PMm (consisting of the IC code and manufacturer parameters) informat ...@@ -174,7 +174,7 @@ Obtains the PMm (consisting of the IC code and manufacturer parameters) informat
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -208,7 +208,7 @@ Obtains the response flags from this NFC-V tag. ...@@ -208,7 +208,7 @@ Obtains the response flags from this NFC-V tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -234,7 +234,7 @@ Obtains the data storage format identifier (DSFID) from this NFC-V tag. ...@@ -234,7 +234,7 @@ Obtains the data storage format identifier (DSFID) from this NFC-V tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -266,7 +266,7 @@ getHistoricalBytes(): number[] ...@@ -266,7 +266,7 @@ getHistoricalBytes(): number[]
Obtains the historical bytes for the given tag. This API applies only to the IsoDep cards that use the NFC-A technology. Obtains the historical bytes for the given tag. This API applies only to the IsoDep cards that use the NFC-A technology.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -290,7 +290,7 @@ getHiLayerResponse(): number[] ...@@ -290,7 +290,7 @@ getHiLayerResponse(): number[]
Obtains the higher-layer response bytes for the given tag. This API applies only to the IsoDep cards that use the NFC-B technology. Obtains the higher-layer response bytes for the given tag. This API applies only to the IsoDep cards that use the NFC-B technology.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -316,7 +316,7 @@ Checks whether an extended application protocol data unit (APDU) is supported. T ...@@ -316,7 +316,7 @@ Checks whether an extended application protocol data unit (APDU) is supported. T
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -367,7 +367,7 @@ Checks whether an extended APDU is supported. This API uses an asynchronous call ...@@ -367,7 +367,7 @@ Checks whether an extended APDU is supported. This API uses an asynchronous call
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -419,7 +419,7 @@ getNdefRecords(): [tag.NdefRecord](js-apis-nfcTag.md#ndefrecord9)[] ...@@ -419,7 +419,7 @@ getNdefRecords(): [tag.NdefRecord](js-apis-nfcTag.md#ndefrecord9)[]
Obtains all NDEF records. Obtains all NDEF records.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -454,7 +454,7 @@ getNdefTagType(): [tag.NfcForumType](js-apis-nfcTag.md#nfcforumtype9) ...@@ -454,7 +454,7 @@ getNdefTagType(): [tag.NfcForumType](js-apis-nfcTag.md#nfcforumtype9)
Obtains the NDEF tag type. Obtains the NDEF tag type.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -478,7 +478,7 @@ getNdefMessage(): [NdefMessage](#ndefmessage9) ...@@ -478,7 +478,7 @@ getNdefMessage(): [NdefMessage](#ndefmessage9)
Obtains the NDEF message from this NDEF tag. Obtains the NDEF message from this NDEF tag.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -501,7 +501,7 @@ isNdefWritable(): boolean; ...@@ -501,7 +501,7 @@ isNdefWritable(): boolean;
Check whether this NDEF tag is writable. Before calling the data write API, check whether the write operation is supported. Check whether this NDEF tag is writable. Before calling the data write API, check whether the write operation is supported.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -527,7 +527,7 @@ Reads the NDEF message from this tag. This API uses a promise to return the resu ...@@ -527,7 +527,7 @@ Reads the NDEF message from this tag. This API uses a promise to return the resu
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -577,7 +577,7 @@ Reads the NDEF message from this tag. This API uses an asynchronous callback to ...@@ -577,7 +577,7 @@ Reads the NDEF message from this tag. This API uses an asynchronous callback to
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -629,7 +629,7 @@ Writes an NDEF message to this tag. This API uses a promise to return the result ...@@ -629,7 +629,7 @@ Writes an NDEF message to this tag. This API uses a promise to return the result
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -682,7 +682,7 @@ Writes an NDEF message to this tag. This API uses an asynchronous callback to re ...@@ -682,7 +682,7 @@ Writes an NDEF message to this tag. This API uses an asynchronous callback to re
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -738,7 +738,7 @@ Checks whether this NDEF tag can be set to read-only. ...@@ -738,7 +738,7 @@ Checks whether this NDEF tag can be set to read-only.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -772,7 +772,7 @@ Sets this NDEF tag to read-only. This API uses a promise to return the result. ...@@ -772,7 +772,7 @@ Sets this NDEF tag to read-only. This API uses a promise to return the result.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Error codes** **Error codes**
...@@ -816,7 +816,7 @@ Sets this NDEF tag to read-only. This API uses an asynchronous callback to retur ...@@ -816,7 +816,7 @@ Sets this NDEF tag to read-only. This API uses an asynchronous callback to retur
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -866,7 +866,7 @@ getNdefTagTypeString(type: [tag.NfcForumType](js-apis-nfcTag.md#nfcforumtype9)): ...@@ -866,7 +866,7 @@ getNdefTagTypeString(type: [tag.NfcForumType](js-apis-nfcTag.md#nfcforumtype9)):
Converts an NFC Forum Type tag to a string defined in the NFC Forum. Converts an NFC Forum Type tag to a string defined in the NFC Forum.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -911,7 +911,7 @@ Authenticates a sector using a key. The sector can be accessed only after the au ...@@ -911,7 +911,7 @@ Authenticates a sector using a key. The sector can be accessed only after the au
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -965,7 +965,7 @@ Authenticates a sector using a key. The sector can be accessed only after the au ...@@ -965,7 +965,7 @@ Authenticates a sector using a key. The sector can be accessed only after the au
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1021,7 +1021,7 @@ Reads a block (16 bytes) on this tag. This API uses a promise to return the resu ...@@ -1021,7 +1021,7 @@ Reads a block (16 bytes) on this tag. This API uses a promise to return the resu
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1078,7 +1078,7 @@ Reads a block (16 bytes) on this tag. This API uses an asynchronous callback to ...@@ -1078,7 +1078,7 @@ Reads a block (16 bytes) on this tag. This API uses an asynchronous callback to
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1132,7 +1132,7 @@ Writes data to a block on this tag. This API uses a promise to return the result ...@@ -1132,7 +1132,7 @@ Writes data to a block on this tag. This API uses a promise to return the result
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1186,7 +1186,7 @@ Writes data to a block on this tag. This API uses an asynchronous callback to re ...@@ -1186,7 +1186,7 @@ Writes data to a block on this tag. This API uses an asynchronous callback to re
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1243,7 +1243,7 @@ Increments a block with data. This API uses a promise to return the result. ...@@ -1243,7 +1243,7 @@ Increments a block with data. This API uses a promise to return the result.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1296,7 +1296,7 @@ Increments a block with data. This API uses an asynchronous callback to return t ...@@ -1296,7 +1296,7 @@ Increments a block with data. This API uses an asynchronous callback to return t
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1352,7 +1352,7 @@ Decrements a block. This API uses a promise to return the result. ...@@ -1352,7 +1352,7 @@ Decrements a block. This API uses a promise to return the result.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1405,7 +1405,7 @@ Decrements a block. This API uses an asynchronous callback to return the result. ...@@ -1405,7 +1405,7 @@ Decrements a block. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1461,7 +1461,7 @@ Transfers data from the temporary register to a block. This API uses a promise t ...@@ -1461,7 +1461,7 @@ Transfers data from the temporary register to a block. This API uses a promise t
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1512,7 +1512,7 @@ Transfers data from the temporary register to a block. This API uses an asynchro ...@@ -1512,7 +1512,7 @@ Transfers data from the temporary register to a block. This API uses an asynchro
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1566,7 +1566,7 @@ Restores data in the temporary register from a block. This API uses a promise to ...@@ -1566,7 +1566,7 @@ Restores data in the temporary register from a block. This API uses a promise to
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1617,7 +1617,7 @@ Restores data in the temporary register from a block. This API uses an asynchron ...@@ -1617,7 +1617,7 @@ Restores data in the temporary register from a block. This API uses an asynchron
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1669,7 +1669,7 @@ getSectorCount(): number ...@@ -1669,7 +1669,7 @@ getSectorCount(): number
Obtains the number of sectors in this MIFARE Classic tag. Obtains the number of sectors in this MIFARE Classic tag.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -1693,7 +1693,7 @@ getBlockCountInSector(sectorIndex: number): number ...@@ -1693,7 +1693,7 @@ getBlockCountInSector(sectorIndex: number): number
Obtains the number of blocks in a sector. Obtains the number of blocks in a sector.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1729,7 +1729,7 @@ getType(): [tag.MifareClassicType](js-apis-nfcTag.md#mifareclassictype9) ...@@ -1729,7 +1729,7 @@ getType(): [tag.MifareClassicType](js-apis-nfcTag.md#mifareclassictype9)
Obtains the type of this MIFARE Classic tag. Obtains the type of this MIFARE Classic tag.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -1753,7 +1753,7 @@ getTagSize(): number ...@@ -1753,7 +1753,7 @@ getTagSize(): number
Obtains the size of this tag. For details, see [MifareClassicSize](js-apis-nfcTag.md#mifareclassicsize9). Obtains the size of this tag. For details, see [MifareClassicSize](js-apis-nfcTag.md#mifareclassicsize9).
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -1777,7 +1777,7 @@ isEmulatedTag(): boolean ...@@ -1777,7 +1777,7 @@ isEmulatedTag(): boolean
Checks whether it is an emulated tag. Checks whether it is an emulated tag.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -1801,7 +1801,7 @@ getBlockIndex(sectorIndex: number): number ...@@ -1801,7 +1801,7 @@ getBlockIndex(sectorIndex: number): number
Obtains the index of the first block in a sector. Obtains the index of the first block in a sector.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1835,9 +1835,9 @@ try { ...@@ -1835,9 +1835,9 @@ try {
getSectorIndex(blockIndex: number): number getSectorIndex(blockIndex: number): number
Obtains the index of a sector that holds the specified block. Obtains the index of the sector that holds the specified block.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1883,7 +1883,7 @@ Reads four pages (4 bytes per page) from this tag. This API uses a promise to re ...@@ -1883,7 +1883,7 @@ Reads four pages (4 bytes per page) from this tag. This API uses a promise to re
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1941,7 +1941,7 @@ Reads four pages (4 bytes per page) from this tag. This API uses an asynchronous ...@@ -1941,7 +1941,7 @@ Reads four pages (4 bytes per page) from this tag. This API uses an asynchronous
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -1995,7 +1995,7 @@ Writes one page (4 bytes) of data to this tag. This API uses a promise to return ...@@ -1995,7 +1995,7 @@ Writes one page (4 bytes) of data to this tag. This API uses a promise to return
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -2048,7 +2048,7 @@ Writes one page (4 bytes) of data to this tag. This API uses an asynchronous cal ...@@ -2048,7 +2048,7 @@ Writes one page (4 bytes) of data to this tag. This API uses an asynchronous cal
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -2102,7 +2102,7 @@ getType(): [tag.MifareUltralightType](js-apis-nfcTag.md#mifareultralighttype9) ...@@ -2102,7 +2102,7 @@ getType(): [tag.MifareUltralightType](js-apis-nfcTag.md#mifareultralighttype9)
Obtains the type of this MIFARE Ultralight tag. Obtains the type of this MIFARE Ultralight tag.
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -2136,7 +2136,7 @@ Formats this tag as an NDEF tag, and writes an NDEF message to it. This API uses ...@@ -2136,7 +2136,7 @@ Formats this tag as an NDEF tag, and writes an NDEF message to it. This API uses
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -2190,7 +2190,7 @@ Formats this tag as an NDEF tag, and writes an NDEF message to it. This API uses ...@@ -2190,7 +2190,7 @@ Formats this tag as an NDEF tag, and writes an NDEF message to it. This API uses
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -2245,7 +2245,7 @@ Formats this tag as an NDEF tag, writes an NDEF message to it, and then sets the ...@@ -2245,7 +2245,7 @@ Formats this tag as an NDEF tag, writes an NDEF message to it, and then sets the
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -2299,7 +2299,7 @@ Formats this tag as an NDEF tag, writes an NDEF message to the NDEF tag, and the ...@@ -2299,7 +2299,7 @@ Formats this tag as an NDEF tag, writes an NDEF message to the NDEF tag, and the
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
......
en/application-dev/reference/apis/js-apis-tagSession.md
浏览文件 @ 3e790a35
# tagSession # tagSession (Standard NFC Tag Session)
The **tagSession** module provides common APIs for establishing connections and transferring data. The **tagSession** module provides common APIs for establishing connections and transferring data.
...@@ -28,7 +28,7 @@ Obtains the **tagInfo** object provided by the NFC service when the tag is dispa ...@@ -28,7 +28,7 @@ Obtains the **tagInfo** object provided by the NFC service when the tag is dispa
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -56,7 +56,7 @@ Connects to this tag. Call this API to set up a connection before reading data f ...@@ -56,7 +56,7 @@ Connects to this tag. Call this API to set up a connection before reading data f
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -84,7 +84,7 @@ Resets the connection to this tag. ...@@ -84,7 +84,7 @@ Resets the connection to this tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Example** **Example**
...@@ -105,7 +105,7 @@ Checks whether the tag is connected. ...@@ -105,7 +105,7 @@ Checks whether the tag is connected.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -133,7 +133,7 @@ Obtains the maximum length of the data that can be sent to this tag. ...@@ -133,7 +133,7 @@ Obtains the maximum length of the data that can be sent to this tag.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -160,7 +160,7 @@ Obtains the timeout period for sending data to this tag, in milliseconds. ...@@ -160,7 +160,7 @@ Obtains the timeout period for sending data to this tag, in milliseconds.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Return value** **Return value**
...@@ -188,7 +188,7 @@ Sets the timeout period for sending data to this tag, in milliseconds. ...@@ -188,7 +188,7 @@ Sets the timeout period for sending data to this tag, in milliseconds.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -223,7 +223,7 @@ Sends data to this tag. This API uses a promise to return the result. ...@@ -223,7 +223,7 @@ Sends data to this tag. This API uses a promise to return the result.
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
...@@ -269,7 +269,7 @@ Sends data to this tag. This API uses an asynchronous callback to return the res ...@@ -269,7 +269,7 @@ Sends data to this tag. This API uses an asynchronous callback to return the res
**Required permissions**: ohos.permission.NFC_TAG **Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Core **System capability**: SystemCapability.Communication.NFC.Tag
**Parameters** **Parameters**
......
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