unregisterObserve method

void unregisterObserve([
  1. ValueChanged<MethodCall>? callback
])

Unregister the observation callback with assets changes. 取消注册资源（图库）变化的监听回调

Implementation

void unregisterObserve([ValueChanged<MethodCall>? callback]) {
  if (callback == null) {
    return;
  }
  try {
    PhotoManager.removeChangeCallback(callback);
    PhotoManager.stopChangeNotify();
  } catch (e, s) {
    FlutterError.presentError(
      FlutterErrorDetails(
        exception: e,
        stack: s,
        library: packageName,
        silent: true,
      ),
    );
  }
}