PieChart放在listview的第一个item报错

[huangxiaoyu]

I/flutter (20853): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter (20853): The following assertion was thrown during performLayout():
I/flutter (20853): FlutterError contained multiple error summaries.
I/flutter (20853): All FlutterError objects should have only a single short (one line) summary description of the
I/flutter (20853): problem that was detected.
I/flutter (20853): Malformed FlutterError:
I/flutter (20853): RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (20853): This probably means that it is a render object that tries to be as big as possible, but it was put
I/flutter (20853): inside another render object that allows its children to pick their own size.
I/flutter (20853): RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (20853): This probably means that it is a render object that tries to be as big as possible, but it was put
I/flutter (20853): inside another render object that allows its children to pick their own size.
I/flutter (20853): The nearest ancestor providing an unbounded height constraint is: RenderIndexedSemantics#c2871 relayoutBoundary=up3 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE:
I/flutter (20853): creator: IndexedSemantics ← NotificationListener ← KeepAlive ←
I/flutter (20853): AutomaticKeepAlive ← KeyedSubtree ← SliverList ← MediaQuery ← SliverPadding ← Viewport ←
I/flutter (20853): IgnorePointer-[GlobalKey#f9e30] ← Semantics ← Listener ← ⋯
I/flutter (20853): parentData: index=0; layoutOffset=0.0 (can use size)
I/flutter (20853): constraints: BoxConstraints(w=360.0, 0.0<=h<=Infinity)
I/flutter (20853): semantic boundary
I/flutter (20853): size: MISSING
I/flutter (20853): index: 0
I/flutter (20853): The constraints that applied to the RenderCustomMultiChildLayoutBox were:
I/flutter (20853): BoxConstraints(w=360.0, 0.0<=h<=Infinity)
I/flutter (20853): The exact size it was given was:
I/flutter (20853): Size(360.0, Infinity)
I/flutter (20853): See https://flutter.dev/docs/development/ui/layout/box-constraints for more information.
I/flutter (20853):
I/flutter (20853): The malformed error has 2 summaries.
I/flutter (20853): Summary 1: RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (20853): Summary 2: RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (20853):
I/flutter (20853): This error should still help you solve your problem, however please also report this malformed error
I/flutter (20853): in the framework by filing a bug on GitHub:
I/flutter (20853): https://github.com/flutter/flutter/issues/new?template=BUG.md
I/flutter (20853):
I/flutter (20853): When the exception was thrown, this was the stack:
I/flutter (20853): #0 new FlutterError.fromParts. (package:flutter/src/foundation/assertions.dart:540:9)
I/flutter (20853): #1 new FlutterError.fromParts (package:flutter/src/foundation/assertions.dart:543:6)
I/flutter (20853): #2 RenderBox.debugAssertDoesMeetConstraints. (package:flutter/src/rendering/box.dart:1966:28)
I/flutter (20853): #3 RenderBox.debugAssertDoesMeetConstraints (package:flutter/src/rendering/box.dart:2029:6)
I/flutter (20853): #4 RenderBox.size=. (package:flutter/src/rendering/box.dart:1740:7)
I/flutter (20853): #5 RenderBox.size= (package:flutter/src/rendering/box.dart:1742:6)
I/flutter (20853): #6 RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart:355:5)
I/flutter (20853): #7 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #8 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #9 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #10 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #11 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #12 RenderSliverList.performLayout (package:flutter/src/rendering/sliver_list.dart:165:27)
I/flutter (20853): #13 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #14 RenderSliverPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:181:11)
I/flutter (20853): #15 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #16 RenderViewportBase.layoutChildSequence (package:flutter/src/rendering/viewport.dart:406:13)
I/flutter (20853): #17 RenderViewport._attemptLayout (package:flutter/src/rendering/viewport.dart:1334:12)
I/flutter (20853): #18 RenderViewport.performLayout (package:flutter/src/rendering/viewport.dart:1252:20)
I/flutter (20853): #19 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #20 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #21 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #22 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #23 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #24 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #25 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #26 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #27 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #28 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #29 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #30 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #31 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #32 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #33 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #34 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #35 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #36 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #37 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #38 MultiChildLayoutDelegate.layoutChild (package:flutter/src/rendering/custom_layout.dart:142:11)
I/flutter (20853): #39 _ScaffoldLayout.performLayout (package:flutter/src/material/scaffold.dart:443:7)
I/flutter (20853): #40 MultiChildLayoutDelegate._callPerformLayout (package:flutter/src/rendering/custom_layout.dart:212:7)
I/flutter (20853): #41 RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart:356:14)
I/flutter (20853): #42 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #43 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #44 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #45 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #46 _RenderCustomClip.performLayout (package:flutter/src/rendering/proxy_box.dart:1214:11)
I/flutter (20853): #47 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #48 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #49 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #50 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #51 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #52 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #53 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #54 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #55 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #56 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #57 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #58 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #59 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #60 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (20853): #61 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #62 RenderOffstage.performLayout (package:flutter/src/rendering/proxy_box.dart:3074:14)
I/flutter (20853): #63 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (20853): #64 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:510:15)
I/flutter (20853): #65 RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1496:7)
I/flutter (20853): #66 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:765:18)
I/flutter (20853): #67 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:346:19)
I/flutter (20853): #68 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:701:13)
I/flutter (20853): #69 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:285:5)
I/flutter (20853): #70 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1016:15)
I/flutter (20853): #71 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:958:9)
I/flutter (20853): #72 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:874:5)
I/flutter (20853): #76 _invoke (dart:ui/hooks.dart:236:10)
I/flutter (20853): #77 _drawFrame (dart:ui/hooks.dart:194:3)
I/flutter (20853): (elided 3 frames from package dart:async)
I/flutter (20853):
I/flutter (20853): The following RenderObject was being processed when the exception was fired: RenderCustomMultiChildLayoutBox#dc822 relayoutBoundary=up5 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE:
I/flutter (20853): creator: CustomMultiChildLayout ← PieChart ← RepaintBoundary ← IndexedSemantics ←
I/flutter (20853): NotificationListener ← KeepAlive ← AutomaticKeepAlive ← KeyedSubtree ←
I/flutter (20853): SliverList ← MediaQuery ← SliverPadding ← Viewport ← ⋯
I/flutter (20853): parentData: (can use size)
I/flutter (20853): constraints: BoxConstraints(w=360.0, 0.0<=h<=Infinity)
I/flutter (20853): size: Size(360.0, Infinity)
I/flutter (20853): This RenderObject had the following descendants (showing up to depth 5):
I/flutter (20853): child 1: RenderSemanticsGestureHandler#25afc NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (20853): child: RenderPointerListener#3f173 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (20853): child: ChartContainerRenderObject#7318a NEEDS-LAYOUT NEEDS-PAINT
I/flutter (20853): ════════════════════════════════════════════════════════════════════════════════════════════════════

[huangxiaoyu]

我的代码,这个代码会报上面的错误
child: ListView.builder(
physics: NeverScrollableScrollPhysics(),
controller: scList,
itemBuilder: (context, index) {
if (index > 0 && index < listData.length+1) {
return Card(
elevation: 5,
shape: RoundedRectangleBorder(
side: BorderSide(width: 0.6, color: Colors.grey),
borderRadius: BorderRadius.all(Radius.circular(5))),
margin: EdgeInsets.all(4),
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => PageAlarmInfo(
type: type,
fid: listData[index-1].FID,
)));
},
child: Container(
padding: EdgeInsets.all(8),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("单位名称: ${listData[index-1].DEPTNAME}"),
Text("警情描述: ${listData[index-1].DESP}"),
Text(
"当前状态: ${listData[index-1].FLAG == 1 ?
listData[index+1].DISPOSAL : '未处理'}"),
Text("接警时间: ${listData[index-1].REVTIME}"),
Text("报警时间: ${listData[index-1].HAPTIME}"),
],
),
),
),
);
} else if(index==0) {
return charts.PieChart(seriesList, animate: false);
} else {
return mPage.refreshEnable ? LoadmoreView() : LoadAllView();
}
},
itemCount: listData.length + 2,
),

[mzimmerm]

You must be reporting against another library. This one does not have PieCharts yet. Closing