destroy method
void
destroy()
销毁设备对象,不然可能会存在重复的设备对象,当
Implementation
void destroy() {
if (_state != DeviceState.destroyed) {
_state = DeviceState.destroyed; //将设备状态置为已销毁
_isWatchingRssi = false;
_stateStreamController.add(DeviceState.destroyed); //广播状态变化
FlutterBlueElves.instance._deviceCache.remove(_id); //从cache中移除
FlutterBlueElves.instance._channel
.invokeMethod('destroy', {"id": _id}); //销毁底层的设备对象
_stateStreamController.close(); //关闭流
_serviceDiscoveryStreamController.close(); //关闭流
_deviceSignalResultStreamController.close(); //关闭流
_rssiStreamController.close(); //关闭流
}
}