在Flutter中,“no directionality widget found”错误通常意味着你的应用中的某个组件在没有Directionality widget的上下文中被构建。Directionality widget用于确定文本的布局方向(如从左到右或从右到左),这对于支持多语言应用至关重要。 2. 常见原因 缺少MaterialApp或CupertinoApp:如果你的应用没有使用MaterialApp或Cuperti...
=== Exception caught by widgets library === The following assertion was thrown building Text("动画状态 : null"): No Directionality widget found. RichText widgets require a Directionality widget ancestor. The specific widget that could not find a Directionality ancestor was: RichText softWrap: wrap...
No Directionality widget found. RichText widgets require a Directionality widget ancestor. The specific widget that could not find a Directionality ancestor was: RichText softWrap: wrapping at box width maxLines: unlimited text: "动画状态 : null" dirty The ownership chain for the affected widget is...
简介:【错误记录】Flutter 组件报错 ( No Directionality widget found. | RichText widgets require a Directionality ) 文章目录 一、报错信息 二、解决方案 一、报错信息 报错信息 : Performing hot reload...Syncing files to device Pixel 2...Reloaded 0 libraries in 353ms.=== Exception caught by widgets...
但debug启动时报No Directionality widget found. 模拟器上截图如下: 问题原因: 未设置组件方向,某些国家的阅读习惯是从右往左(rtl)的,有些国家是从左到右(ltr)。 解决方法: 给textDireciton参数设上枚举值 void main() => runApp( Center( child: Text( 'hello world', textDirection: TextDirection.ltr, ...
1、Flutter Text组件忘记加方向性限制 报错No Directionality widget found image image 2、Image provider: AssetImage(bundle: null, name: ""); 忽略了assets 的层级,导致出现此问题。 image 3、flutter IOS_APP真机运行时报错: Unable to mount developer disk image. ...
1:No Directionality widget found. Widgetbuild(BuildContextcontext){returnContainer(color:Colors.yellow,alignment:Alignment(0.0,0.0),child:Container(color:Colors.blue,child:AspectRatio(aspectRatio:2/1,child:Icon(Icons.add,),),));}} 2:哪个是启动文件?
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【错误记录】Flutter 组件报错 ( No Directionality widget found. | RichText widgets require a Directionality ) 文章目录一、报错信息二、解决方案一、报错信息报错信息 :Performing hot reload... Syncing files to device Pixel 2... Reloaded 0 libraries in 353ms. === Exception caught by widgets library...
flutter热重启还是报TextDirection错误 摘要:刚刚开始学flutter,根据官网入门教程,自己敲打出 void main() => runApp( Center( child: Text( 'hello world', ), ), ); 症状: 但debug启动时报No Directionality widget found. 模拟器上截图如下阅读全文 ...