BluetoothRemoteGATTDescriptor.readValue()

BluetoothRemoteGATTDescriptor.readValue()；
读取蓝牙设备某一服务的描述值；

BluetoothRemoteGATTDescriptor.readValue()

参数

• 无

返回值

返回一个Promise, resolve兑现一个BluetoothDataViewResponse;

示例

  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；
    }
  })
  .then(async (res) => {
    if(res.success){
      const bluetoothRemoteGATTDescriptor = res.data;
      const value = await bluetoothRemoteGATTDescriptor.readValue()
    }
  })
  .catch(err => console.error(err))

平台兼容性

属性/方法/事件	Android	IOS	Desktop-Dev	Desktop
readValue	✅	✅	✅	X

相关链接

BluetoothRemoteGATTDescriptor