我们可以在errorBuilder中根据不同的异常类型进行处理,例如显示一个错误提示、展示默认图片或者尝试重新加载图片。 3. 示例代码 以下是一个示例代码,演示了如何处理Image.network图片加载失败的情况: import'package:flutter/material.dart';classMyImagePageextendsStatelessWidget{@overrideWidgetbuild(BuildContextcontext){ret...
import'package:flutter/material.dart';voidmain(){runApp(MyApp());}classMyAppextendsStatelessWidget{@overrideWidgetbuild(BuildContextcontext){StringimageURL='returnMaterialApp(title:'Image Network Demo',theme:ThemeData(primarySwatch:Colors.blue,),home:Scaffold(appBar:AppBar(title:Text('Image Network Demo...
在flutter里使用image.network加载网络图片遇到错误══╡ EXCEPTION CAUGHT BY IMAGE RESOURCE SERVICE ╞════════════════════════════════════════════════════The following SocketException was thrown resolving an image codec:Failed host lookup: ...
使用Image.network加载网络图片时,有可能出现“type 'Null' is not a subtype of type 'List<int>' in type cast”异常,这是由于图片源地址出现了问题。 解决办法 Image.network('https://img3.doubanio.com/view/photo/s_ratio_poster/public/p2541240741.webp',height:100,width:50,errorBuilder:(_,__,...
child: FadeInImage.assetNetwork( placeholder: "assets/img/ic_avatar_defult.png", image: url, fit: BoxFit.cover, imageErrorBuilder: (context, error, stackTrace) { return Image.asset("assets/img/ic_avatar_defult.png"); }, ), );
Imported from dnfield/flutter_svg#367 Original report by @Bedroome on Jun 23, 2020 If the network error causes the picture to fail to load, the picture cannot be reloaded after reconnecting to the network. Should some pictures be process...
CachedNetworkImageProvider(image), context, onError: (e, stackTrace) { print(('Image failed to load with error:$e')); setState(() { imgCheck = false; }); });使用precacheImage方法进行图片预加载,该方法有一个回调onError,它会读取缓存中是否存在err,如果存在,你就可以做点什么了?经测试该方法...
CachedNetworkImage 在加载某些https网站的图像时会出现类似这样的错误: I/flutter: The following HandshakeException was thrown resolving an image codec: Handshake error in client(OS Error: CERTIFICATE_VERIFY_FAILED: self signed certificate(handshake.cc:352)) ...
则会在控制台看见这样一个鲜红的报错Uncaught (in promise) getdata error
return Image.network('test'); } 终端报错如下: flutter: ══╡ EXCEPTION CAUGHT BY IMAGE RESOURCE SERVICE ╞════════════════════════════════════════════════════ flutter: The following ArgumentError was thrown resolving an image code...