[1.1.3] - 2019-10-17 #

• Use try-catch in WebHelper so VM understands that errors are not uncaught.

[1.1.2] - 2019-10-16 #

• Better error handling (really better this time).
• Fix that oldest files are removed, and not the newest.
• Fix error when cache data exists, but file is already removed.
• await on putFile

[1.1.1] - 2019-07-23 #

• Changed error handling back to throwing the error as it is supposed to be.

[1.1.0] - 2019-07-13 #

• New method to get fileinfo from memory.
• Better error handling.

[1.0.0] - 2019-06-27 #

• Keep SQL connection open during session.
• Update dependencies

[0.3.2] - 2019-03-06 #

• Fixed image loading after loading failed once.

[0.3.1] - 2019-02-27 #

• Added method to clear cache

[0.3.0] - 2019-02-18 #

• Complete refactor of library
• Use of SQFlite instead of shared preferences for cache info
• Added the option to use a custom file fetcher (for example for firebase)
• Support for AndroidX

[0.2.0] - 2018-10-13 #

• Fixed library compatibility issue

[0.1.2] - 2018-08-30 #

• Fixed library compatibility issue
• Improved some synchronization

[0.1.1] - 2018-04-27 #

• Fixed some issues when file could not be downloaded the first time it is trying to be retrieved.

[0.1.0] - 2018-04-14 #

• Fixed ConcurrentModificationError in cache cleaning
• Added optional headers
• Moved to Dart 2.0

[0.0.4+1] - 2018-02-16 #

• Fixed nullpointer when non-updated file (a 304 response) has no cache-control period.

[0.0.4] - 2018-01-31 #

• Fixed issues with cache cleaning

[0.0.3] - 2018-01-08 #

• Fixed relative paths on iOS.

[0.0.2] - 2017-12-29 #

• Did some refactoring and made a useful readme.

[0.0.1] - 2017-12-28 #

• Extracted the cache manager from cached_network_image

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_cache_manager/flutter_cache_manager.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  FileInfo fileInfo;
  String error;

  _downloadFile() {
    var url =
        'https://cdn2.online-convert.com/example-file/raster%20image/png/example_small.png';

    DefaultCacheManager().getFile(url).listen((f) {
      setState(() {
        fileInfo = f;
        error = null;
      });
    }).onError((e) {
      setState(() {
        fileInfo = null;
        error = e.toString();
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    var path = "N/A";
    if (fileInfo?.file != null) {
      path = fileInfo.file.path;
    }
    var from = "N/A";
    if (fileInfo != null) {
      from = fileInfo.source.toString();
    }
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'Local filePath:',
            ),
            Text(
              path,
            ),
            Text(
              'From: $from',
            ),
            Text('Error: $error'),
            Padding(
              padding: const EdgeInsets.only(top: 32.0),
              child: RaisedButton(
                child: Text('CLEAR CACHE'),
                onPressed: () {
                  DefaultCacheManager().emptyCache();
                },
              ),
            )
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _downloadFile,
        tooltip: 'Download',
        child: Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}