Taro.onHCEMessage(callback)
Listens on the event of receiving NFC device messages.
Type
(callback: Callback) => void
Parameters
Callback
The callback function for the event of receiving NFC device messages.
(result: CallbackResult) => void
| Property | Type |
|---|---|
| result | CallbackResult |
CallbackResult
| Property | Type | Description |
|---|---|---|
| data | ArrayBuffer | WhenmessageType=1, the app receives a command from the NFC device. |
| messageType | 1 | 2 | Message type |
| reason | number | The reason whenmessageType=2is returned |
messageType
Valid values of messageType
| Property | Description |
|---|---|
| 1 | HCE APDU Command type. The Mini Program needs to process this command and call the sendHCEMessage API to return the processed command. |
| 2 | Device departure event type |
API Support
| API | WeChat Mini-Program | H5 | React Native |
|---|---|---|---|
| Taro.onHCEMessage | ✔️ |