multi_vid_player/lib/widgets/image_cache.dart

import 'package:flutter/material.dart';

import '../utils/utils.dart';

class ShowImageCache extends StatelessWidget {
  const ShowImageCache({Key? key}) : super(key: key);
  ImageCache? get imageCache => PaintingBinding.instance?.imageCache;

  @override
  Widget build(BuildContext context) {
    return Column(mainAxisAlignment: MainAxisAlignment.center, children: [
      const SizedBox(height: 8),
      Text(
        '当前图像缓存数量: ${imageCache?.currentSize ?? 0}',
        style: const TextStyle(fontSize: 12),
      ),
      const SizedBox(height: 8),
      Text(
        '当前图像缓存大小: ${imageCache?.currentSizeBytes ?? 0}bytes = ${byte2MB(imageCache?.currentSizeBytes ?? 0)}MB',
        style: const TextStyle(fontSize: 12),
      ),
      const SizedBox(height: 8),
    ]);
  }
}