release method
释放资源
Implementation
Future<void> release() async {
try {
await _channel.invokeMethod('release');
_deviceEventSubscription?.cancel();
_translationEventSubscription?.cancel();
_deviceListeners.clear();
_translationListeners.clear();
} on PlatformException catch (e) {
throw Exception('释放资源失败: ${e.message}');
}
}