readData method

void readData(
  1. String serviceUuid,
  2. String characteristicUuid
)

使用设备的read特征值去向设备读取数据

Implementation

void readData(String serviceUuid, String characteristicUuid) {
  if (_state != DeviceState.destroyed && _state == DeviceState.connected) {
    //已连接才能去向设备写入数据
    FlutterBlueElves.instance._channel.invokeMethod('readData', {
      "id": _id,
      "serviceUuid": serviceUuid,
      "characteristicUuid": characteristicUuid
    }); //去向设备读取数据
  }
}