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我创建了一个名为ListerCommande()的自定义小部件,并且尝试在homeActivity中调用它,但它给了我错误,我尝试使用Expanded并添加mainAxisSize,但是仍然有相同的错误可以有人帮助我,是我叫这个小部件的地方:
body: new Container(
child:
SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
ListerCommande()
],
)
),
)
class ListerCommande extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
resizeToAvoidBottomInset: false,
appBar: new AppBar(
title: new Text("Les Commandes"),
backgroundColor: Colors.pink,
),
body: SingleChildScrollView(
child: Column(
children: <Widget>[
_buildCommandeList(context)
],
),
),
);
}
StreamBuilder<List<CommandeWithClientWithClientTypeWithCarteSimWithDemandeCarte>> _buildCommandeList(BuildContext context) {
final dao = Provider.of<CommandeDao>(context);
return StreamBuilder(
stream: dao.watchAllCommandes(),
builder: (context, AsyncSnapshot<List<CommandeWithClientWithClientTypeWithCarteSimWithDemandeCarte>> snapshot) {
final commandes = snapshot.data ?? List();
return ListView.builder(
scrollDirection: Axis.vertical,
shrinkWrap: true,
itemCount: commandes.length,
itemBuilder: (_, index) {
final itemCommande = commandes[index];
return _buildListItem(itemCommande, dao,context);
},
);
},
);
}
Widget _buildListItem(CommandeWithClientWithClientTypeWithCarteSimWithDemandeCarte itemCommande, CommandeDao dao,BuildContext context) {
return Slidable(
actionPane: SlidableDrawerActionPane(),
secondaryActions: <Widget>[
new IconSlideAction(
caption: 'Delete',
color: Colors.red,
icon: Icons.delete,
onTap: () {
dao.deleteCommande(itemCommande.commande);
dao.deleteClient(itemCommande.client);
dao.deleteTypeClient(itemCommande.typeClient);
}
)
],
child: ListTile(
title: Text("Commande Numero : " + itemCommande.commande.idCommande.toString()),
onTap: (){
Navigator.push(context, MaterialPageRoute(builder: (context) => MainPage(itemCommande)),
);
},
),
);
}
}
I/flutter (32394): ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
I/flutter (32394): The following assertion was thrown during performLayout():
I/flutter (32394): FlutterError contained multiple error summaries.
I/flutter (32394): All FlutterError objects should have only a single short (one line) summary description of the
I/flutter (32394): problem that was detected.
I/flutter (32394): Malformed FlutterError:
I/flutter (32394): RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (32394): This probably means that it is a render object that tries to be as big as possible, but it was put
I/flutter (32394): inside another render object that allows its children to pick their own size.
I/flutter (32394): RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (32394): This probably means that it is a render object that tries to be as big as possible, but it was put
I/flutter (32394): inside another render object that allows its children to pick their own size.
I/flutter (32394): The nearest ancestor providing an unbounded height constraint is: _RenderSingleChildViewport#e3a3d relayoutBoundary=up10 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE:
I/flutter (32394): needs compositing
I/flutter (32394): creator: _SingleChildViewport ← IgnorePointer-[GlobalKey#c2421] ← Semantics ← Listener ←
I/flutter (32394): _GestureSemantics ← RawGestureDetector-[LabeledGlobalKey<RawGestureDetectorState>#a3e7d] ←
I/flutter (32394): Listener ← _ScrollableScope ← _ScrollSemantics-[GlobalKey#ef06e] ← RepaintBoundary ← CustomPaint ←
I/flutter (32394): RepaintBoundary ← ⋯
I/flutter (32394): parentData: <none> (can use size)
I/flutter (32394): constraints: BoxConstraints(0.0<=w<=360.0, 0.0<=h<=560.0)
I/flutter (32394): size: MISSING
I/flutter (32394): The constraints that applied to the RenderCustomMultiChildLayoutBox were:
I/flutter (32394): BoxConstraints(0.0<=w<=360.0, 0.0<=h<=Infinity)
I/flutter (32394): The exact size it was given was:
I/flutter (32394): Size(360.0, Infinity)
I/flutter (32394): See https://flutter.dev/docs/development/ui/layout/box-constraints for more information.
I/flutter (32394):
I/flutter (32394): The malformed error has 2 summaries.
I/flutter (32394): Summary 1: RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (32394): Summary 2: RenderCustomMultiChildLayoutBox object was given an infinite size during layout.
I/flutter (32394):
I/flutter (32394): This error should still help you solve your problem, however please also report this malformed error
I/flutter (32394): in the framework by filing a bug on GitHub:
I/flutter (32394): https://github.com/flutter/flutter/issues/new?template=BUG.md
I/flutter (32394):
I/flutter (32394): When the exception was thrown, this was the stack:
I/flutter (32394): #0 new FlutterError.fromParts.<anonymous closure> (package:flutter/src/foundation/assertions.dart:540:9)
I/flutter (32394): #1 new FlutterError.fromParts (package:flutter/src/foundation/assertions.dart:543:6)
I/flutter (32394): #2 RenderBox.debugAssertDoesMeetConstraints.<anonymous closure> (package:flutter/src/rendering/box.dart:1966:28)
I/flutter (32394): #3 RenderBox.debugAssertDoesMeetConstraints (package:flutter/src/rendering/box.dart:2029:6)
I/flutter (32394): #4 RenderBox.size=.<anonymous closure> (package:flutter/src/rendering/box.dart:1740:7)
I/flutter (32394): #5 RenderBox.size= (package:flutter/src/rendering/box.dart:1742:6)
I/flutter (32394): #6 RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart:355:5)
I/flutter (32394): #7 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #8 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #9 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #10 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #11 _RenderCustomClip.performLayout (package:flutter/src/rendering/proxy_box.dart:1214:11)
I/flutter (32394): #12 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #13 RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:743:15)
I/flutter (32394): #14 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #15 _RenderSingleChildViewport.performLayout (package:flutter/src/widgets/single_child_scroll_view.dart:497:13)
I/flutter (32394): #16 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #17 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #18 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #19 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #20 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #21 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #22 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #23 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #24 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #25 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #26 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #27 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #28 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #29 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #30 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #31 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #32 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #33 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #34 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #35 MultiChildLayoutDelegate.layoutChild (package:flutter/src/rendering/custom_layout.dart:142:11)
I/flutter (32394): #36 _ScaffoldLayout.performLayout (package:flutter/src/material/scaffold.dart:443:7)
I/flutter (32394): #37 MultiChildLayoutDelegate._callPerformLayout (package:flutter/src/rendering/custom_layout.dart:212:7)
I/flutter (32394): #38 RenderCustomMultiChildLayoutBox.performLayout (package:flutter/src/rendering/custom_layout.dart:356:14)
I/flutter (32394): #39 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #40 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #41 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #42 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #43 _RenderCustomClip.performLayout (package:flutter/src/rendering/proxy_box.dart:1214:11)
I/flutter (32394): #44 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #45 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #46 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #47 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #48 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #49 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #50 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #51 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #52 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #53 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #54 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #55 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #56 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #57 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #58 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #59 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #60 RenderOffstage.performLayout (package:flutter/src/rendering/proxy_box.dart:3076:13)
I/flutter (32394): #61 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #62 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:510:15)
I/flutter (32394): #63 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #64 __RenderTheatre&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #65 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #66 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #67 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #68 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #69 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #70 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #71 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #72 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #73 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #74 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #75 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #76 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #77 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #78 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #79 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #80 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #81 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #82 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #83 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #84 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #85 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #86 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #87 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #88 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #89 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #90 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #91 RenderOffstage.performLayout (package:flutter/src/rendering/proxy_box.dart:3076:13)
I/flutter (32394): #92 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): moor: SELECT commandes.id_commande AS "commandes.id_commande", commandes.clientid AS "commandes.clientid", commandes.date AS "commandes.date", clients.id_client AS "clients.id_client", clients.type_clientid AS "clients.type_clientid", clients.nom AS "clients.nom", clients.prenom AS "clients.prenom", clients.ddn AS "clients.ddn", clients.ville AS "clients.ville", clients.ncd AS "clients.ncd", clients.image_devant AS "clients.image_devant", clients.image_arriere AS "clients.image_arriere", type_clients.id_type_client AS "type_clients.id_type_client", type_clients.prix_e AS "type_clients.prix_e", type_clients.prix_p AS "type_clients.prix_p", type_clients.libelle AS "type_clients.libelle", demande_cartes.numero_demande AS "demande_cartes.numero_demande", demande_cartes.id_commande AS "demande_cartes.id_commande", demande_cartes.carte_sim_id AS "demande_cartes.carte_sim_id", carte_sims.id_carte_sim AS "carte_sims.id_carte_sim", carte_sims.code_bare1 AS "carte_sims.code_bare1", carte_sims.code_bare2 AS "carte_sims
I/flutter (32394): #93 RenderStack.performLayout (package:flutter/src/rendering/stack.dart:510:15)
I/flutter (32394): #94 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #95 __RenderTheatre&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #96 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #97 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #98 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #99 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #100 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #101 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #102 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #103 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #104 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #105 _RenderProxyBox&RenderBox&RenderObjectWithChildMixin&RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:105:13)
I/flutter (32394): #106 RenderObject.layout (package:flutter/src/rendering/object.dart:1619:7)
I/flutter (32394): #107 RenderView.performLayout (package:flutter/src/rendering/view.dart:151:13)
I/flutter (32394): #108 RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1496:7)
I/flutter (32394): #109 PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:765:18)
I/flutter (32394): #110 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:346:19)
I/flutter (32394): #111 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:701:13)
I/flutter (32394): #112 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:285:5)
I/flutter (32394): #113 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1016:15)
I/flutter (32394): #114 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:958:9)
I/flutter (32394): #115 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.scheduleWarmUpFrame.<anonymous closure> (package:flutter/src/scheduler/binding.dart:784:7)
I/flutter (32394): #124 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:382:19)
I/flutter (32394): #125 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:416:5)
I/flutter (32394): #126 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)
I/flutter (32394): (elided 8 frames from package dart:async and package dart:async-patch)
I/flutter (32394):
I/flutter (32394): The following RenderObject was being processed when the exception was fired: RenderCustomMultiChildLayoutBox#37a5d relayoutBoundary=up14 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE:
I/flutter (32394): creator: CustomMultiChildLayout ← AnimatedBuilder ← DefaultTextStyle ← AnimatedDefaultTextStyle ←
I/flutter (32394): _InkFeatures-[GlobalKey#17d48 ink renderer] ← NotificationListener<LayoutChangedNotification> ←
I/flutter (32394): PhysicalModel ← AnimatedPhysicalModel ← Material ← PrimaryScrollController ← _ScaffoldScope ←
I/flutter (32394): Scaffold ← ⋯
I/flutter (32394): parentData: <none> (can use size)
I/flutter (32394): constraints: BoxConstraints(0.0<=w<=360.0, 0.0<=h<=Infinity)
I/flutter (32394): size: Size(360.0, Infinity)
I/flutter (32394): This RenderObject had the following descendants (showing up to depth 5):
I/flutter (32394): child 1: RenderRepaintBoundary#26867 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: RenderCustomPaint#17704 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: RenderRepaintBoundary#b892c NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: _RenderScrollSemantics#97627 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: RenderPointerListener#9c994 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child 2: RenderConstrainedBox#de378 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: RenderSemanticsAnnotations#a5284 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: RenderAnnotatedRegion<SystemUiOverlayStyle>#93e71 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: RenderPhysicalModel#5f624 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: _RenderInkFeatures#eda43 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child 3: RenderStack#b4a86 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child 1: RenderTransform#808c4 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
I/flutter (32394): child: RenderTransform#52fae NEEDS-LAYOUT NEEDS-PAINT
I/flutter (32394): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter (32394): Another exception was thrown: FlutterError contained multiple error summaries.
I/flutter (32394): Another exception was thrown: FlutterError contained multiple error summaries.
I/flutter (32394): Another exception was thrown: FlutterError contained multiple error summaries.
I/flutter (32394): Another exception was thrown: NoSuchMethodError: The method '>' was called on null.
最佳答案
ListerCommande()是一个列表 View ,该 View 溢出其反弹并导致该错误。将其放在扩展中。
body: Container(
child: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Expanded(child: ListerCommande()),
],
)
),
)
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