我犯了StackOverFlow错误,这是由自我引用引起的。我不知道怎么修?
TravelBlog.dart
class Travelblog extends StatelessWidget {
final _list = Travel.generateMembersMain(context);
final _pageCtrl = PageController(viewportFraction: 0.9);
static BuildContext get context => context; *//I know I have to use _context, but i do no
我使用github 在颤振中实现了PageView视差效应。在“零安全迁移”之后,我面临以下错误。
======== Exception caught by widgets library =======================================================
The following _CastError was thrown building PageTransformer(dirty, state: _PageTransformerState#a4851):
Null check operator used on a null value
我对飞
在颤动网中获取此错误。在PageView.builder中请勿使用IndexedWidgetBuilder中的flutter工程。已尝试使用项目构建器(上下文、索引),但未解决。无法在这些版本的flutter中使用itemcount和itembuilder。 颤动医生: Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 2.0.3, on Microsoft Windows [Version 10.0.19042.746], locale en-IN)
[!] An