BluetoothRemoteGATTService.getCharacteristic()

BluetoothRemoteGATTService.getCharacteristic()查询蓝牙设备中某一个服务的特征对象；

BluetoothRemoteGATTService.getCharacteristic(uuid)

参数

• uuid

  需要查询蓝牙特征的标识符；
  参数值的类型是一个字符串；

返回值

返回一个Promise,resolve兑现一个 BluetoothRemoteGATTCharacteristic对象

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")
    }
  })
  .catch(err => console.error(err))

平台兼容性

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

相关链接

BluetoothPlugin;

BluetoothRemoteGATTService