initialize method
初始化消息通道
Implementation
Future<bool> initialize() async {
if (!supportPlatform) return false;
bool? state = await channel.invokeMethod<bool?>('startCuriosityEvent');
state ??= false;
if (state && _eventChannel == null) {
_eventChannel = const EventChannel(curiosityEvent);
_stream = _eventChannel?.receiveBroadcastStream(<dynamic, dynamic>{});
}
return state && _eventChannel != null && _stream != null;
}