import 'package:flutter_cache_manager/flutter_cache_manager.dart';
import 'package:http/http.dart' as http;
import 'dart:io';
import 'package:path_provider/path_provider.dart';
import 'package:path/path.dart' as path;
class MyCacheManager extends BaseCacheManager {
static const key = "customCache";
static MyCacheManager _instance;
factory MyCacheManager() {
if (_instance == null) {
_instance = new MyCacheManager._();
}
return _instance;
}
MyCacheManager._()
: super(key,
maxAgeCacheObject: Duration(hours: 12),
maxNrOfCacheObjects: 200,
fileFetcher: _myHttpGetter);
@override
Future<String> getFilePath() async {
var directory = await getTemporaryDirectory();
return path.join(directory.path, key);
}
static Future<FileFetcherResponse> _myHttpGetter(String url,
{Map<String, String> headers}) async {
HttpFileFetcherResponse response;
try {
var res = await http.get(url, headers: headers);
res.headers.addAll({'cache-control': 'private, max-age=120'});
response = HttpFileFetcherResponse(res);
} on SocketException {
print('No internet connection');
}
return response;
}
}