May 19, 2021 WeChat Mini Program Development Document
Base library 2.11.2 starts to be supported, and low versions need to be compatible.
Gets the NFC instance
NFC instance
| Error code | The error message | Description |
|---|---|---|
| 13000 | NFC is not supported by the device | |
| 13001 | The system NFC switch is not on | |
| 13010 | Unknown error | |
| 13019 | user is not authorized | The user is not authorized |
| 13011 | invalid parameter | The argument is not valid |
| 13012 | parse NdefMessage failed | Resolving the argument to NdefMessage failed |
| 13021 | NFC discovery already started | An NFC scan has been started |
| 13018 | NFC discovery has not started | Try to stop an NFC scan when it is not started |
| 13022 | Tech already connected | The label is already connected |
| 13023 | Tech has not connected | Try disconnecting when the label is not connected |
| 13013 | NFC tag has not been discovered | The NFC label was not scanned |
| 13014 | invalid tech | The label technology is not valid |
| 13015 | unavailable tech | Getting the corresponding technology from the label failed |
| 13024 | function not support | This feature is not supported by the current labeling technology |
| 13017 | system internal error | The relevant read and write operation failed |
| 13016 | connect fail | The connection failed |