writeDescriptorData method
void
writeDescriptorData()
使用设备特征值描述去向设备发送数据
Implementation
void writeDescriptorData(String serviceUuid, String characteristicUuid,
String descriptorUuid, Uint8List data) {
if (_state != DeviceState.destroyed && _state == DeviceState.connected) {
//已连接才能去向设备写入数据
FlutterBlueElves.instance._channel.invokeMethod('writeDescriptorData', {
"id": _id,
"serviceUuid": serviceUuid,
"characteristicUuid": characteristicUuid,
"descriptorUuid": descriptorUuid,
"data": data
}); //去向设备发送数据
}
}