unregisterObserve static 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

static void unregisterObserve([ValueChanged<MethodCall>? callback]) {
  if (callback == null) {
    return;
  }
  try {
    PhotoManager.removeChangeCallback(callback);
    PhotoManager.stopChangeNotify();
  } catch (e) {
    realDebugPrint('Error when unregistering assets callback: $e');
  }
}