断言失败：第 1979 行第 12 行：'hasSize'

Question

RenderBox was not laid out: RenderIgnorePointer#370eb relayoutBoundary=up25 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE Either the assertion indicates an error in the framework itself, or we should provide substantially more information in this error message to help you determine and fix the underlying cause.

import 'package:flutter/material.dart';
import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
import '../models/grid_model.dart';

class GridViewData extends StatefulWidget {
  final VoidCallback onPressed;

  const GridViewData({Key? key, required this.onPressed}) : super(key: key);

  @override
  State<GridViewData> createState() => _GridViewDataState();
}

class _GridViewDataState extends State<GridViewData> {
  @override
  Widget build(BuildContext context) {
    return InkWell(
      onTap: widget.onPressed,
      child: GridView.custom(
        physics: const BouncingScrollPhysics(),
        gridDelegate: SliverWovenGridDelegate.count(
          crossAxisCount: 2,
          mainAxisSpacing: 3,
          crossAxisSpacing: 10,
          pattern: [
            const WovenGridTile(0.7),
            const WovenGridTile(
              4 / 5,
            ),
          ],
        ),
        childrenDelegate: SliverChildBuilderDelegate(
            childCount: imageList.length,
                (context, index) {
              return Container(
                decoration: BoxDecoration(
                  image: DecorationImage(
                    image: AssetImage(imageList[index].image),

                  ),
                ),
              );
                }),
      ),
    );
  }
}

Answer 1

答案是我从我被称为 GridView 类的正文中删除了 SingleChildScrollView，因为 GridView 本身是一个可滚动的小部件，这就是它给出错误的原因