clearDiskCachedImages function
- {Duration duration}
clear the disk cache directory then return if it succeed.
timespan to compute whether file has expired or notImplementation
Future<bool> clearDiskCachedImages({Duration duration}) async {
try {
final Directory cacheImagesDirectory = Directory(
join((await getTemporaryDirectory()).path, cacheImageFolderName));
if (cacheImagesDirectory.existsSync()) {
if (duration == null) {
cacheImagesDirectory.deleteSync(recursive: true);
} else {
final DateTime now = DateTime.now();
for (final FileSystemEntity file in cacheImagesDirectory.listSync()) {
final FileStat fs = file.statSync();
if (now.subtract(duration).isAfter(fs.changed)) {
//print("remove expired cached image");
file.deleteSync(recursive: true);
}
}
}
}
} catch (_) {
return false;
}
return true;
}