(FlutterErrorDetails detail) => FlutterError.reportError(detail); @override Widget build(BuildContext context) { try { throw NullThrownError(); } catch (e, s) { var details = FlutterErrorDetails( exception: e, stack: s, library: "lib.exception", ); error(details); } // TODO: implemen...
the code like this: { final rich = Text.rich( TextSpan( children: <InlineSpan>[ TextSpan(text: 'Flutter is'), WidgetSpan( child: SizedBox( width: 120, height: 50, child: Card( child: Center( child: Text('Hello World!') ) ), ) ), TextSpan...
Flutter 框架异常捕获 Flutter 框架为我们在很多关键的方法进行了异常捕获。这里举一个例子,当我们布局发生越界或不和规范时,Flutter就会自动弹出一个错误界面,这是因为Flutter已经在执行build方法时添加了异常捕获,最终的源码如下: 1 2 3 4 5 6 7 8 9 10 11 12 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. ...
Solution of the Error: To solve this error, your child widget must have the expected parent widget. Some of the widget and their parent widgets are: For Example: Row(children:[Expanded(child:Text("Hello FlutterCampus"))]) OR: Stack(children:[Positioned(child:Text("Hello FlutterCampus"))])...
最近做个im项目,又刚好想学下flutter,就看了下环信的,目前坑很多,非常不稳定,需要一步步排坑 在通讯录点开联系人之后不发消息,回到回话界面会报错A non-null String must be provided to a Text widget. Error 原因应该是需要给消息是null读取不了,所以需要给text加一个默认值空字符串。
OpenCV Error: Assertion failed (ssize.width > 0 && ssize.height > 0) in cv::resize, file C...
Steps to reproduce Wrap any widget (e.g. Text) with Expanded and provide a flex 0. Make sure to make the parent widget a non-flex widget which do not support Expanded widgets as a child. I am encountering this a lot in my flutter web pro...
# found in the LICENSE file. RunCommand() { if [[ -n "$VERBOSE_SCRIPT_LOGGING" ]]; then echo "♦ $*" fi "$@" return $? } # When provided with a pipe by the host Flutter build process, output to the # pipe goes to stdout of the Flutter build process directly. ...
"Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been ...
qt聊天室bug-- error: no matching function for call to 'Ui::Widget::setupUi(Widget*)' ui->setupUi(this); ^ 2018-06-27 21:12 −... confusion 0 1351 004 vs : error - This function or variable may be unsafe 2019-12-26 06:31 −/* 目录: 一 原因 二 修改 */ 一 原因 微软想...