adv_image_cache 1.0.6 adv_image_cache: ^1.0.6 copied to clipboard
network image laod with cache rules , and handy cache manager
import 'package:adv_image_cache/adv_image_cache_mgr.dart';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:adv_image_cache/adv_image_cache.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
//String _platformVersion = 'Unknown';
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
// String platformVersion;
// // Platform messages may fail, so we use a try/catch PlatformException.
// try {
// platformVersion = await AdvImageCache.platformVersion;
// } on PlatformException {
// platformVersion = 'Failed to get platform version.';
// }
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
// if (!mounted) return;
// setState(() {
// _platformVersion = platformVersion;
// });
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
Center(
child: Column(
children: [
const Text("7 days cache expire"),
Image(
image: AdvImageCache(
"https://picsum.photos/100/160",
useMemCache: true,
fallbackAssetImage: "assets/img_err.png",
)),
],
),
),
Center(
child: Column(
children: [
const Text("0 sec cache expire (always refresh)"),
Image(
image: AdvImageCache(
"https://picsum.photos/100/150",
useMemCache: false,
diskCacheExpire: const Duration(seconds: 0),
)),
],
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
Center(
child: Column(
children: [
const Text("load fail test"),
Image(
image: AdvImageCache(
"https://picsumaaa.photos/100/170",
fallbackAssetImage: "assets/img_err.png",
)),
],
),
),
Center(
child: Column(
children: [
const Text("1 min cache expire"),
Image(
image: AdvImageCache(
"https://picsum.photos/100/180",
useMemCache: true,
diskCacheExpire: const Duration(minutes: 1),
)),
],
),
),
],
),
ElevatedButton(onPressed: () => setState(() {}), child: const Text("Reload and test cache rules")),
ElevatedButton(
onPressed: () {
setState(() {
AdvImageCacheMgr().clearItem("https://picsum.photos/100/160");
});
},
child: const Text("force cache clear for 1st Image")),
ElevatedButton(
onPressed: () {
setState(() {
AdvImageCacheMgr().clearAllItems();
});
},
child: const Text("force cache clear all items"),
),
],
),
),
);
}
}