- Release Notes and Announcements
- Product Introduction
- About Platform Prerequisites
- Guidelines for Code Integration
- Get Demo and SDK
- Accessing via Android Devices
- Accessing via iOS Devices
- Guide to Mini Program Development
- Mini program introduction and development environment
- Mini program code composition
- Framework
- API
- API Overview
- Fundamentals
- Routing
- Redirect
- Forwarding
- Interface
- Network
- Data Caching
- Data Analysis
- canvas
- Media
- WXML
- File
- Device
- Contact person
- Vibration
- Battery Level
- Screen
- Memory
- Device Orientation
- Accessibility
- Network
- Keyboard
- Phone number
- Accelerometer
- Compass
- Gyroscope
- SMS
- Code scanning
- Encryption
- NFC－Ndef
- NFC－NfcA
- NFC－NfcB
- NFC－NfcF
- NFC－NfcV
- WiFi
- Calendar
- Clipboard
- NFC－getNFCAdapter
- NFC－NFCAdapter
- NFC－IsoDep
- NFC－MifareClassic
- NFC－MifareUltralight
- Bluetooth - Low Energy Central Device
- Bluetooth - Low Energy Peripheral Device
- Bluetooth - Beacon
- Bluetooth - General
- Location
- Open Interfaces
- Custom APIs
- Sensitive API
- Components
- Open source component statement
- FAQs
- Release Notes and Announcements
- Product Introduction
- About Platform Prerequisites
- Guidelines for Code Integration
- Get Demo and SDK
- Accessing via Android Devices
- Accessing via iOS Devices
- Guide to Mini Program Development
- Mini program introduction and development environment
- Mini program code composition
- Framework
- API
- API Overview
- Fundamentals
- Routing
- Redirect
- Forwarding
- Interface
- Network
- Data Caching
- Data Analysis
- canvas
- Media
- WXML
- File
- Device
- Contact person
- Vibration
- Battery Level
- Screen
- Memory
- Device Orientation
- Accessibility
- Network
- Keyboard
- Phone number
- Accelerometer
- Compass
- Gyroscope
- SMS
- Code scanning
- Encryption
- NFC－Ndef
- NFC－NfcA
- NFC－NfcB
- NFC－NfcF
- NFC－NfcV
- WiFi
- Calendar
- Clipboard
- NFC－getNFCAdapter
- NFC－NFCAdapter
- NFC－IsoDep
- NFC－MifareClassic
- NFC－MifareUltralight
- Bluetooth - Low Energy Central Device
- Bluetooth - Low Energy Peripheral Device
- Bluetooth - Beacon
- Bluetooth - General
- Location
- Open Interfaces
- Custom APIs
- Sensitive API
- Components
- Open source component statement
- FAQs
Ndef Tag
.connect
The method is utilized as Ndef.connect().
Function Description: Establishes a connection with the NFC tag.
Parameters and Description: Object object.
.close
The method is employed as Ndef.close().
Function Description: Disconnects the link.
Parameters and Description: Object object.
Attributes | Types | Default value | Required | Note |
success | function | - | Not required | Callback function for successful interface invocation |
fail | function | - | Not required | Callback function for unsuccessful interface invocation |
complete | function | - | Not required | Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations) |
Error Code
Error Codes | Error Message | Note |
13000 | The device does not support NFC | - |
13001 | The system's NFC switch is not activated. | - |
13010 | An unknown error occurred. | - |
13019 | user is not authorized | User Authorization Denied |
13011 | invalid parameter | Invalid parameter |
13012 | parse NdefMessage failed | Failed to parse the parameter into NdefMessage. |
13021 | NFC discovery already started | NFC scanning has already commenced. |
13018 | NFC discovery has not started | Attempted to halt NFC scanning without initiating it. |
13022 | Tech already connected | The tag has been successfully connected. |
13023 | Tech has not connected | Attempted to disconnect without a tag being connected. |
13013 | NFC tag has not been discovered | No NFC tag was detected. |
13014 | invalid tech | Invalid tag technology. |
13015 | unavailable tech | Failed to acquire the corresponding technology from the tag. |
13024 | function not support | The current tag technology does not support this feature. |
13017 | system internal error | The related read-write operation has failed. |
13016 | connect fail | Connection failed |
.setTimeout
The method is utilized as Ndef.setTimeout(Object object).
Function Description: Setting the timeout duration.
Parameters and Description: Object object
Attributes | Types | Default value | Required | Note |
timeout | number | - | Supported | Setting the timeout duration (ms) |
success | function | - | Not required | Callback function for successful interface invocation |
fail | function | - | Not required | Callback function for unsuccessful interface invocation |
complete | function | - | Not required | Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations) |
Error Code
Error Codes | Error Message | Note |
13000 | The device does not support NFC | - |
13001 | The system's NFC switch is not activated. | - |
13010 | An unknown error occurred. | - |
13019 | user is not authorized | User Authorization Denied |
13011 | invalid parameter | Invalid parameter |
13012 | parse NdefMessage failed | Failed to parse the parameter into NdefMessage. |
13021 | NFC discovery already started | NFC scanning has already commenced. |
13018 | NFC discovery has not started | Attempted to halt NFC scanning without initiating it. |
13022 | Tech already connected | The tag has been successfully connected. |
13023 | Tech has not connected | Attempted to disconnect without a tag being connected. |
13013 | NFC tag has not been discovered | No NFC tag was detected. |
13014 | invalid tech | Invalid tag technology. |
13015 | unavailable tech | Failed to acquire the corresponding technology from the tag. |
13024 | function not support | The current tag technology does not support this feature. |
13017 | system internal error | The related read-write operation has failed. |
13016 | connect fail | Connection failed |
.isConnected
The method is utilized as Ndef.isConnected().
Note:
This interface has been deprecated; developers can maintain the connection status independently.
Function Description: Verifies if a connection has been established.
Parameters and Description: Object object.
Attributes | Types | Default value | Required | Note |
success | function | - | Not required | Callback function for successful interface invocation |
fail | function | - | Not required | Callback function for unsuccessful interface invocation |
complete | function | - | Not required | Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations) |
Error Code
Error Codes | Error Message | Note |
13000 | The device does not support NFC | - |
13001 | The system's NFC switch is not activated. | - |
13010 | An unknown error occurred. | - |
13019 | user is not authorized | User Authorization Denied |
13011 | invalid parameter | Invalid parameter |
13012 | parse NdefMessage failed | Failed to parse the parameter into NdefMessage. |
13021 | NFC discovery already started | NFC scanning has already commenced. |
13018 | NFC discovery has not started | Attempted to halt NFC scanning without initiating it. |
13022 | Tech already connected | The tag has been successfully connected. |
13023 | Tech has not connected | Attempted to disconnect without a tag being connected. |
13013 | NFC tag has not been discovered | No NFC tag was detected. |
13014 | invalid tech | Invalid tag technology. |
13015 | unavailable tech | Failed to acquire the corresponding technology from the tag. |
13024 | function not support | The current tag technology does not support this feature. |
13017 | system internal error | The related read-write operation has failed. |
13016 | connect fail | Connection failed |
.offNdefMessage
The method is utilized as Ndef.onNdefMessage(function callback).
Function Description: Cancels the monitoring of Ndef messages.
Parameters and Description: function callback.
.onNdefMessage
The method is employed as Ndef.offNdefMessage(function callback).
Function Description: Monitors Ndef messages.
Parameters and Description: function callback.
.writeNdefMessage
The method is employed as Ndef.writeNdefMessage(Object object).
Function Description: Overwrites the content of Ndef tags.
Parameters and Description: Object object.
Attributes | Types | Default value | Required | Note |
uris | Array | - | Not required | URI array. |
texts | Array | - | Not required | Text array. |
records | Array | - | Not required | An array of binary objects, requiring specification of id, type, and payload (all of which are of the ArrayBuffer type). |
success | function | - | Not required | Callback function for successful interface invocation |
fail | function | - | Not required | Callback function for unsuccessful interface invocation |
complete | function | - | Not required | Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations) |
Error Code
Error Codes | Error Message | Note |
13000 | The device does not support NFC | - |
13001 | The system's NFC switch is not activated. | - |
13010 | An unknown error occurred. | - |
13019 | user is not authorized | User Authorization Denied |
13011 | invalid parameter | Invalid parameter |
13012 | parse NdefMessage failed | Failed to parse the parameter into NdefMessage. |
13021 | NFC discovery already started | NFC scanning has already commenced. |
13018 | NFC discovery has not started | Attempted to halt NFC scanning without initiating it. |
13022 | Tech already connected | The tag has been successfully connected. |
13023 | Tech has not connected | Attempted to disconnect without a tag being connected. |
13013 | NFC tag has not been discovered | No NFC tag was detected. |
13014 | invalid tech | Invalid tag technology. |
13015 | unavailable tech | Failed to acquire the corresponding technology from the tag. |
13024 | function not support | The current tag technology does not support this feature. |
13017 | system internal error | The related read-write operation has failed. |
13016 | connect fail | Connection failed |
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