BluetoothRemoteGATTDescriptor

The description interface of a certain service characteristic of the Bluetooth device; the instance of this interface can only be obtained through BluetoothRemoteGATTCharacteristic.getDescriptor()

Property

• characteristic

  The current description belongs to the characteristic; the attribute value is a BluetoothRemoteGATTCharacteristic object;

• uuid

  The current feature describes the descriptor of the feature to which the object belongs;
  The attribute value is a string

Method

• BluetoothRemoteGATTDescriptor.readValue()

  Read the value of the description object

• BluetoothRemoteGATTDescriptor.writeValue()

  Write a value to the description object;

Event

• none

Example

  import { bluetoothPlugin } from "@plaoc/plugins";

  bluetoothPlugin
  .open()
  .then(res => {
    if(res.success){
      const options = {
        acceptAllDevices: true,
        optionalServices: ["00003802-0000-1000-8000-00805f9b34fb"],
      }
      return bluetoothPlugin.requestAndConnectDevice(options)
    }
  })
  .then(res => {
    if(res.success){
      // 成功的查询和连接了蓝牙设备；
      const bluetoothRemoteGATTServer = res.data;
      return bluetoothRemoteGATTServer
      .getPrimaryService("00003802-0000-1000-8000-00805f9b34fb")
    }
  })
  .then(res => {
    if(res.success){
      const bluetoothRemoteGATTService = res.data;
      bluetoothRemoteGATTService.getCharacteristic("00004a02-0000-1000-8000-00805f9b34fb")
    }
  })
  .then(res => {
    if(res.success){
      const bluetoothRemoteGATTCharacteristic = res.data;
      return bluetoothRemoteGATTCharacteristic.getDescriptor()
      // 获取了 特征的 标识符；
    }
  })
  .catch(err => console.error(err))

Platform Compatibility

Property/Method/Event	Android	IOS	Desktop-Dev	Desktop
characteristic	✅	✅	✅	X
uuid	✅	✅	✅	X
readValue	✅	✅	✅	X
writeValue	✅	✅	✅	X

Related Links

BluetoothPlugin

BluetoothRemoteGATTService;