如果你是在现有项目中遇到这个问题,可以尝试清理项目(例如,删除.pub-cache目录和build目录)并重新运行flutter pub get和flutter run。 通过以上步骤,你应该能够解决“flutter has not been initialized”的问题。如果问题仍然存在,建议查阅Flutter的官方文档或寻求社区的帮助。
LateInitializationError: Field 'animationStatus' has not been initialized。 原因是在初始化之前使用了它,我解决这个问题方法是为 AnimationStatus 添加了一个初始状态。 late AnimationStatus animationStatus = AnimationStatus.reverse; 1. 有bug 的代码: void main() { runApp(MyApp()); } class MyApp extends...
Flutter LateInitializationError: Field ‘XXXX‘ has not been initialized. 网上有很多解决办法,无法解决我的问题,dart使用高版本后 late 的数据原本以为只在initState 函数里就行了 但是不行 如图需要加setState 放在里面才可行
需求:Flutter请求完成数据后动态改变TabController数量 但是Flutter动态更TabController数量提示LateInitializationError: Fieldtabcontroller' has not beeninitialized. 错误代码如下: lateTabControllertabcontroller;voidonInit()async{super.onInit();//顶部tabs请求await getColumData();}getColumData()async{varresponse=await...
LateError (LateInitializationError: Field 'homeButtons' has not been initialized.) 二、赋默认值 在定义类的一个属性homeButtons时,就赋上默认值。暂时不会报编译错误了,在使用属性之前,给该属性一个真实的数据。如果属性的值可知,亦可以默认值就是真实值。
It seems sinceFlutter is not initialized, running 'flutter config --machine'..., then there isURL using bad/illegal format. Maybe a Dart SDK China mirror problem? After installing VSIX, running which flutter /Users/Orca/flutter/bin/flutter ...
Seems like a dangerous design if you have to initialize the late field explicitly. I'd probably use a nullable field, check that it's initialized on each access and throw aStateErrorwith a good error message if it's not. In any case, that issue is inpackage:timezone, the rest is wor...
执行flutter doctor出现Warning: CocoaPods installed but not initialized 问题,然后提示我们去执行: sudo gem install cocoapods 安装cocoapods过程失败,发现原因是: Unable to download data fromhttps://gems.ruby-china.org/- bad response Not Found 404 ...
LateInitializationError: Field '_name@779283885' has not been initialized Completed JO Jonny Created On : Mar 31, 2021 10:21 AM Updated On : Jul 01, 2021 10:29 AM Type : Bug Report Control : SfCartesianChart Version : 19.2.0.44 OS : Mac OS X Release : Vol 2 2021 (Jun ...
If DateFormat is initialized before Flutter loads (in main() but before runApp()), its date i18n patterns and symbols uses en_US because its patterns and symbols are defined as a fallback if locale data has not been initialized. Note that _locale here is set as en_US. On the other ...