Flutter：列内列内的ListView

Question

你读对了标题。我在一列中有一个嵌套的小部件。小部件本身是另一列。嵌套小部件中有一个 ListView，设置为展开。由于某种原因，Flutter 不喜欢这样。我一整天都在绞尽脑汁思考如何解决这个问题。这是我的父小部件：

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  @override\n  Widget build(BuildContext context) {\n    return StreamProvider<List<Store>>.value(\n      value: DatabaseService.getStores(_cc, _zip),\n      child: Column(children: [\n        Container(\n          decoration: BoxDecoration(\n            color: Clr.primary,\n            borderRadius: BorderRadius.only(\n              bottomLeft: Radius.circular(16.0),\n              bottomRight: Radius.circular(16.0),\n            ),\n          ),\n          child: SafeArea(\n            child: Column(children: [\n              Padding(\n                padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 16.0),\n                child: Row(crossAxisAlignment: CrossAxisAlignment.center, children: [\n                  Text(Strings.title, style: Styles.titleDark.copyWith(fontSize: 28.0)),\n                  SizedBox(width: 8.0),\n                  Text(_cc ?? \'--\', style: Styles.headerBoldDark),\n                  Spacer(),\n                  FlatButton(\n                    shape: RoundedRectangleBorder(\n                      borderRadius: BorderRadius.circular(24.0),\n                      side: BorderSide(color: Clr.white, width: 1.5),\n                    ),\n                    splashColor: Colors.white30,\n                    highlightColor: Colors.white10,\n                    color: Colors.transparent,\n                    child: Text(_zip ?? "Loading...", style: TextStyle(color: Clr.white)),\n                    onPressed: () {},\n                  ),\n                ]),\n              ),\n              SizedBox(height: 8.0),\n              StoresList(),\n            ]),\n          ),\n        ),\n      ]),\n    );\n  }\n

\n\n

这是StoresList()小部件。正如你所看到的，父级是另一个 Column()：

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  @override\n  Widget build(BuildContext context) {\n    final List<Booking> bookings = Provider.of<List<Booking>>(context);\n    return Column(children: [\n      Container(\n        decoration: BoxDecoration(\n          color: Clr.primary,\n          borderRadius: BorderRadius.only(bottomLeft: Radius.circular(16.0), bottomRight: Radius.circular(16.0)),\n        ),\n        child: Container(\n          margin: EdgeInsets.fromLTRB(16.0, 0.0, 16.0, 36.0),\n          decoration: BoxDecoration(\n            borderRadius: BorderRadius.circular(30.0),\n            boxShadow: [BoxShadow(blurRadius: 12.0, offset: Offset(1.0, 3.0), color: Colors.black26)],\n            color: Clr.white,\n          ),\n          child: TextField(\n            decoration: AppInputDecor(\n              "Search Stores, Clinics, Salons, Restaurants...",\n              color: Colors.transparent,\n              icon: Icons.search,\n            ),\n            onChanged: (search) => setState(() => _searchQuery = search),\n          ),\n        ),\n      ),\n      Consumer<List<Store>>(\n        builder: (context, stores, _) {\n          List<Store> storesVisible = stores?.where((s) => s.searchKey.contains(_searchQuery))?.toList();\n          return Expanded(\n            child: storesVisible == null\n                ? Center(child: CircularProgressIndicator())\n                : storesVisible.isEmpty\n                    ? EmptyText("No Stores Found In The Area")\n                    : ListView.builder(\n                        itemCount: storesVisible.length,\n                        itemBuilder: (context, idx) {\n                          final Store store = storesVisible[idx];\n                          return ListTile(\n                            title: Text(store.name, style: Styles.header.copyWith(fontSize: 16.0)),\n                            subtitle: Text(\n                              store.address,\n                              style: TextStyle(color: Clr.grey),\n                              overflow: TextOverflow.fade,\n                            ),\n                            trailing: bookings.any((b) => b.storeID == store.id)\n                                ? Icon(MdiIcons.bookmarkCheckOutline, color: Clr.primaryDark)\n                                : null,\n                          );\n                        }),\n          );\n        },\n      ),\n    ]);\n  }\n

\n\n

尝试运行代码时收到以下错误消息。我已经尝试了调试日志告诉我的所有内容，但它仍然无法运行。另外，如果 Flutter 不只是在我的调试控制台上呕吐，那就太好了。这是一次糟糕的调试体验。

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[38;5;248m\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90 Exception caught by rendering library \xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90[39;49m\n[38;5;244mThe following assertion was thrown during performLayout():[39;49m\nRenderFlex children have non-zero flex but incoming height constraints are unbounded.\n\n[38;5;244mWhen a column is in a parent that does not provide a finite height constraint, for example if it is in a vertical scrollable, it will try to shrink-wrap its children along the vertical axis. Setting a flex on a child (e.g. using Expanded) indicates that the child is to expand to fill the remaining space in the vertical direction.[39;49m\n[38;5;244mThese two directives are mutually exclusive. If a parent is to shrink-wrap its child, the child cannot simultaneously expand to fit its parent.[39;49m\n\n[38;5;248mConsider setting mainAxisSize to MainAxisSize.min and using FlexFit.loose fits for the flexible children (using Flexible rather than Expanded). This will allow the flexible children to size themselves to less than the infinite remaining space they would otherwise be forced to take, and then will cause the RenderFlex to shrink-wrap the children rather than expanding to fit the maximum constraints provided by the parent.[39;49m\n\n[38;5;244mIf this message did not help you determine the problem, consider using debugDumpRenderTree():\n  https://flutter.dev/debugging/#rendering-layer\n  http://api.flutter.dev/flutter/rendering/debugDumpRenderTree.html\n[39;49m[38;5;244mThe affected RenderFlex is: RenderFlex#4fc87 relayoutBoundary=up5 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n    [38;5;244mneeds compositing[39;49m\n    [38;5;244mparentData: offset=Offset(0.0, 0.0); flex=null; fit=null (can use size)[39;49m\n    [38;5;244mconstraints: BoxConstraints(0.0<=w<=392.7, 0.0<=h<=Infinity)[39;49m\n    [38;5;244msize: MISSING[39;49m\n    [38;5;244mdirection: vertical[39;49m\n    [38;5;244mmainAxisAlignment: start[39;49m\n    [38;5;244mmainAxisSize: max[39;49m\n    [38;5;244mcrossAxisAlignment: center[39;49m\n    [38;5;244mverticalDirection: down[39;49m\n    [38;5;244mchild 1: RenderDecoratedBox#0a5d8 relayoutBoundary=up6 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n        [38;5;244mneeds compositing[39;49m\n        [38;5;244mparentData: offset=Offset(0.0, 0.0); flex=null; fit=null (can use size)[39;49m\n        [38;5;244mconstraints: BoxConstraints(0.0<=w<=392.7, 0.0<=h<=Infinity)[39;49m\n        [38;5;244msize: Size(392.7, 87.0)[39;49m\n        [38;5;244mdecoration: BoxDecoration[39;49m\n            [38;5;244mcolor: Color(0xff5577ee)[39;49m\n            [38;5;244mborderRadius: BorderRadius.only(bottomLeft: Radius.circular(16.0), bottomRight: Radius.circular(16.0))[39;49m\n        [38;5;244mconfiguration: ImageConfiguration(bundle: PlatformAssetBundle#37240(), devicePixelRatio: 2.8, locale: en, textDirection: TextDirection.ltr, platform: android)[39;49m\n        [38;5;244mchild: RenderPadding#b5d87 relayoutBoundary=up7 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n            [38;5;244mneeds compositing[39;49m\n            [38;5;244mparentData: <none> (can use size)[39;49m\n            [38;5;244mconstraints: BoxConstraints(0.0<=w<=392.7, 0.0<=h<=Infinity)[39;49m\n            [38;5;244msize: Size(392.7, 87.0)[39;49m\n            [38;5;244mpadding: EdgeInsets(16.0, 0.0, 16.0, 36.0)[39;49m\n            [38;5;244mtextDirection: ltr[39;49m\n            [38;5;244mchild: RenderDecoratedBox#729b9 relayoutBoundary=up8 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                [38;5;244mneeds compositing[39;49m\n                [38;5;244mparentData: offset=Offset(16.0, 0.0) (can use size)[39;49m\n                [38;5;244mconstraints: BoxConstraints(0.0<=w<=360.7, 0.0<=h<=Infinity)[39;49m\n                [38;5;244msize: Size(360.7, 51.0)[39;49m\n                [38;5;244mdecoration: BoxDecoration[39;49m\n                    [38;5;244mcolor: Color(0xffffffff)[39;49m\n                    [38;5;244mborderRadius: BorderRadius.circular(30.0)[39;49m\n                    [38;5;244mboxShadow: BoxShadow(Color(0x42000000), Offset(1.0, 3.0), 12.0, 0.0)[39;49m\n                [38;5;244mconfiguration: ImageConfiguration(bundle: PlatformAssetBundle#37240(), devicePixelRatio: 2.8, locale: en, textDirection: TextDirection.ltr, platform: android)[39;49m\n                [38;5;244mchild: RenderIgnorePointer#adebb relayoutBoundary=up9 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                    [38;5;244mneeds compositing[39;49m\n                    [38;5;244mparentData: <none> (can use size)[39;49m\n                    [38;5;244mconstraints: BoxConstraints(0.0<=w<=360.7, 0.0<=h<=Infinity)[39;49m\n                    [38;5;244msize: Size(360.7, 51.0)[39;49m\n                    [38;5;244mignoring: false[39;49m\n                    [38;5;244mignoringSemantics: implicitly false[39;49m\n    [38;5;244mchild 2: RenderRepaintBoundary#ee9bd NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n        [38;5;244mneeds compositing[39;49m\n        [38;5;244mparentData: offset=Offset(0.0, 0.0); flex=1; fit=FlexFit.tight[39;49m\n        [38;5;244mconstraints: MISSING[39;49m\n        [38;5;244msize: MISSING[39;49m\n        [38;5;244musefulness ratio: no metrics collected yet (never painted)[39;49m\n        [38;5;244mchild: RenderCustomPaint#04820 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n            [38;5;244mneeds compositing[39;49m\n            [38;5;244mparentData: <none>[39;49m\n            [38;5;244mconstraints: MISSING[39;49m\n            [38;5;244msize: MISSING[39;49m\n            [38;5;244mchild: RenderRepaintBoundary#a1883 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                [38;5;244mneeds compositing[39;49m\n                [38;5;244mparentData: <none>[39;49m\n                [38;5;244mconstraints: MISSING[39;49m\n                [38;5;244msize: MISSING[39;49m\n                [38;5;244musefulness ratio: no metrics collected yet (never painted)[39;49m\n                [38;5;244mchild: _RenderScrollSemantics#b4490 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                    [38;5;244mneeds compositing[39;49m\n                    [38;5;244mparentData: <none>[39;49m\n                    [38;5;244mconstraints: MISSING[39;49m\n                    [38;5;244msemantic boundary[39;49m\n                    [38;5;244msize: MISSING[39;49m\n[38;5;244mThe creator information is set to: Column \xe2\x86\x90 StoresList \xe2\x86\x90 Column \xe2\x86\x90 MediaQuery \xe2\x86\x90 Padding \xe2\x86\x90 SafeArea \xe2\x86\x90 DecoratedBox \xe2\x86\x90 Container \xe2\x86\x90 Column \xe2\x86\x90 _DefaultInheritedProviderScope<List<Store>> \xe2\x86\x90 StreamProvider<List<Store>> \xe2\x86\x90 HomeTab \xe2\x86\x90 \xe2\x8b\xaf[39;49m\n[38;5;244mThe nearest ancestor providing an unbounded width constraint is: RenderFlex#70bee relayoutBoundary=up1 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n\n[38;5;248mSee also: https://flutter.dev/layout/[39;49m\n\n[38;5;244mIf none of the above helps enough to fix this problem, please don\'t hesitate to file a bug:\n  https://github.com/flutter/flutter/issues/new?template=BUG.md\n[39;49m[38;5;244mThe relevant error-causing widget was[39;49m\n    [38;5;248mColumn[39;49m\n[38;5;244mWhen the exception was thrown, this was the stack[39;49m\n[38;5;244m#0      RenderFlex.performLayout.<anonymous closure>[39;49m\n[38;5;244m#1      RenderFlex.performLayout[39;49m\n[38;5;244m#2      RenderObject.layout[39;49m\n[38;5;244m#3      RenderFlex.performLayout[39;49m\n[38;5;244m#4      RenderObject.layout[39;49m\n[38;5;244m...[39;49m\n[38;5;244mThe following RenderObject was being processed when the exception was fired: RenderFlex#4fc87 relayoutBoundary=up5 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n[38;5;244mRenderObject: RenderFlex#4fc87 relayoutBoundary=up5 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n    [38;5;244mneeds compositing[39;49m\n    [38;5;244mparentData: offset=Offset(0.0, 0.0); flex=null; fit=null (can use size)[39;49m\n    [38;5;244mconstraints: BoxConstraints(0.0<=w<=392.7, 0.0<=h<=Infinity)[39;49m\n    [38;5;244msize: MISSING[39;49m\n    [38;5;244mdirection: vertical[39;49m\n    [38;5;244mmainAxisAlignment: start[39;49m\n    [38;5;244mmainAxisSize: max[39;49m\n    [38;5;244mcrossAxisAlignment: center[39;49m\n    [38;5;244mverticalDirection: down[39;49m\n    [38;5;244mchild 1: RenderDecoratedBox#0a5d8 relayoutBoundary=up6 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n        [38;5;244mneeds compositing[39;49m\n        [38;5;244mparentData: offset=Offset(0.0, 0.0); flex=null; fit=null (can use size)[39;49m\n        [38;5;244mconstraints: BoxConstraints(0.0<=w<=392.7, 0.0<=h<=Infinity)[39;49m\n        [38;5;244msize: Size(392.7, 87.0)[39;49m\n        [38;5;244mdecoration: BoxDecoration[39;49m\n            [38;5;244mcolor: Color(0xff5577ee)[39;49m\n            [38;5;244mborderRadius: BorderRadius.only(bottomLeft: Radius.circular(16.0), bottomRight: Radius.circular(16.0))[39;49m\n        [38;5;244mconfiguration: ImageConfiguration(bundle: PlatformAssetBundle#37240(), devicePixelRatio: 2.8, locale: en, textDirection: TextDirection.ltr, platform: android)[39;49m\n        [38;5;244mchild: RenderPadding#b5d87 relayoutBoundary=up7 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n            [38;5;244mneeds compositing[39;49m\n            [38;5;244mparentData: <none> (can use size)[39;49m\n            [38;5;244mconstraints: BoxConstraints(0.0<=w<=392.7, 0.0<=h<=Infinity)[39;49m\n            [38;5;244msize: Size(392.7, 87.0)[39;49m\n            [38;5;244mpadding: EdgeInsets(16.0, 0.0, 16.0, 36.0)[39;49m\n            [38;5;244mtextDirection: ltr[39;49m\n            [38;5;244mchild: RenderDecoratedBox#729b9 relayoutBoundary=up8 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                [38;5;244mneeds compositing[39;49m\n                [38;5;244mparentData: offset=Offset(16.0, 0.0) (can use size)[39;49m\n                [38;5;244mconstraints: BoxConstraints(0.0<=w<=360.7, 0.0<=h<=Infinity)[39;49m\n                [38;5;244msize: Size(360.7, 51.0)[39;49m\n                [38;5;244mdecoration: BoxDecoration[39;49m\n                    [38;5;244mcolor: Color(0xffffffff)[39;49m\n                    [38;5;244mborderRadius: BorderRadius.circular(30.0)[39;49m\n                    [38;5;244mboxShadow: BoxShadow(Color(0x42000000), Offset(1.0, 3.0), 12.0, 0.0)[39;49m\n                [38;5;244mconfiguration: ImageConfiguration(bundle: PlatformAssetBundle#37240(), devicePixelRatio: 2.8, locale: en, textDirection: TextDirection.ltr, platform: android)[39;49m\n                [38;5;244mchild: RenderIgnorePointer#adebb relayoutBoundary=up9 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                    [38;5;244mneeds compositing[39;49m\n                    [38;5;244mparentData: <none> (can use size)[39;49m\n                    [38;5;244mconstraints: BoxConstraints(0.0<=w<=360.7, 0.0<=h<=Infinity)[39;49m\n                    [38;5;244msize: Size(360.7, 51.0)[39;49m\n                    [38;5;244mignoring: false[39;49m\n                    [38;5;244mignoringSemantics: implicitly false[39;49m\n    [38;5;244mchild 2: RenderRepaintBoundary#ee9bd NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n        [38;5;244mneeds compositing[39;49m\n        [38;5;244mparentData: offset=Offset(0.0, 0.0); flex=1; fit=FlexFit.tight[39;49m\n        [38;5;244mconstraints: MISSING[39;49m\n        [38;5;244msize: MISSING[39;49m\n        [38;5;244musefulness ratio: no metrics collected yet (never painted)[39;49m\n        [38;5;244mchild: RenderCustomPaint#04820 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n            [38;5;244mneeds compositing[39;49m\n            [38;5;244mparentData: <none>[39;49m\n            [38;5;244mconstraints: MISSING[39;49m\n            [38;5;244msize: MISSING[39;49m\n            [38;5;244mchild: RenderRepaintBoundary#a1883 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                [38;5;244mneeds compositing[39;49m\n                [38;5;244mparentData: <none>[39;49m\n                [38;5;244mconstraints: MISSING[39;49m\n                [38;5;244msize: MISSING[39;49m\n                [38;5;244musefulness ratio: no metrics collected yet (never painted)[39;49m\n                [38;5;244mchild: _RenderScrollSemantics#b4490 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m\n                    [38;5;244mneeds compositing[39;49m\n                    [38;5;244mparentData: <none>[39;49m\n                    [38;5;244mconstraints: MISSING[39;49m\n                    [38;5;244msemantic boundary[39;49m\n                    [38;5;244msize: MISSING[39;49m\n[38;5;248m\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90[39;49m\n\n[38;5;248m\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90 Exception caught by rendering library \xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90[39;49m\nRenderBox was not laid out: RenderFlex#4fc87 relayoutBoundary=up5 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE\n\'package:flutter/src/rendering/box.dart\':\nFailed assertion: line 1694 pos 12: \'hasSize\'\n[38;5;244mThe relevant error-causing widget was[39;49m\n    [38;5;248mColumn[39;49m\n[38;5;248m\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe

    

Answer 1

The solution is to wrap your ListView.builder() with an Expanded() and inside your builder, use shrinkWrap: true. Here is the code:

ListView.builder(      
  shrinkWrap: true,
  itemCount: storesVisible.length,
  itemBuilder: (context, idx) {
    final Store store = storesVisible[idx];
  },
);