getCachedSizeBytes function
get total size of cached image
Implementation
Future<int> getCachedSizeBytes() async {
int size = 0;
final Directory cacheImagesDirectory = Directory(
join((await getTemporaryDirectory()).path, cacheImageFolderName));
if (cacheImagesDirectory.existsSync()) {
for (final FileSystemEntity file in cacheImagesDirectory.listSync()) {
size += file.statSync().size;
}
}
return size;
}