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在performResize()期间抛出以下断言：水平视口被赋予无界高度

发布于 2025-01-16 19:25:08 字数 13031 浏览 2 评论 0原文

我正在使用 Flutter Stepper 并且我正在尝试在其中一个步骤中使用带有 TabBarView 的 TabBar 但我我收到以下错误

======== Exception caught by rendering library =====================================================
The following assertion was thrown during performResize():
Horizontal viewport was given unbounded height.

Viewports expand in the cross axis to fill their container and constrain their children to match their extent in the cross axis. In this case, a horizontal viewport was given an unlimited amount of vertical space in which to expand.
The relevant error-causing widget was: 
  TabBarView TabBarView:file:///C:/Users/Suswa/AndroidStudioProjects/tab_bar_inside_stepper_app/lib/screens/my_page.dart:523:29
When the exception was thrown, this was the stack: 
#0      RenderViewport.computeDryLayout.<anonymous closure> (package:flutter/src/rendering/viewport.dart:1424:15)
#1      RenderViewport.computeDryLayout (package:flutter/src/rendering/viewport.dart:1436:6)
#2      RenderBox.performResize (package:flutter/src/rendering/box.dart:2384:12)
#3      RenderObject.layout (package:flutter/src/rendering/object.dart:1866:9)
#4      RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#5      RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#6      RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#7      RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#8      RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#9      RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#10     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#11     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#12     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#13     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#14     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#15     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#16     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#17     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#18     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#19     RenderCustomPaint.performLayout (package:flutter/src/rendering/custom_paint.dart:545:11)
#20     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#21     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#22     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#23     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#24     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:896:45)
#25     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#26     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#27     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#28     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:829:43)
#29     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#30     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#31     RenderPadding.performLayout (package:flutter/src/rendering/shifted_box.dart:233:12)
#32     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#33     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#34     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#35     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#36     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#37     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#38     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#39     RenderStack.layoutPositionedChild (package:flutter/src/rendering/stack.dart:497:11)
#40     RenderStack.performLayout (package:flutter/src/rendering/stack.dart:610:30)
#41     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#42     RenderAnimatedSize.performLayout (package:flutter/src/rendering/animated_size.dart:200:12)
#43     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#44     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#45     _RenderCustomClip.performLayout (package:flutter/src/rendering/proxy_box.dart:1376:11)
#46     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#47     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#48     RenderStack._computeSize (package:flutter/src/rendering/stack.dart:570:43)
#49     RenderStack.performLayout (package:flutter/src/rendering/stack.dart:597:12)
#50     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#51     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#52     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:829:43)
#53     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#54     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#55     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#56     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#57     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#58     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#59     RenderSliverMultiBoxAdaptor.insertAndLayoutChild (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:487:13)
#60     RenderSliverList.performLayout.advance (package:flutter/src/rendering/sliver_list.dart:239:19)
#61     RenderSliverList.performLayout (package:flutter/src/rendering/sliver_list.dart:281:12)
#62     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#63     RenderSliverEdgeInsetsPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:137:12)
#64     RenderSliverPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:371:11)
#65     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#66     RenderViewportBase.layoutChildSequence (package:flutter/src/rendering/viewport.dart:510:13)
#67     RenderShrinkWrappingViewport._attemptLayout (package:flutter/src/rendering/viewport.dart:1938:12)
#68     RenderShrinkWrappingViewport.performLayout (package:flutter/src/rendering/viewport.dart:1884:20)
#69     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#70     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#71     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#72     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#73     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#74     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#75     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#76     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#77     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#78     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#79     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#80     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#81     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#82     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#83     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#84     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#85     RenderCustomPaint.performLayout (package:flutter/src/rendering/custom_paint.dart:545:11)
#86     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#87     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#88     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#89     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#90     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:896:45)
#91     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#92     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1731:7)
#93     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:887:18)
#94     RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:497:19)
#95     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:883:13)
#96     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:363:5)
#97     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1144:15)
#98     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1081:9)
#99     SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:995:5)
#103    _invoke (dart:ui/hooks.dart:151:10)
#104    PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:308:5)
#105    _drawFrame (dart:ui/hooks.dart:115:31)
(elided 3 frames from dart:async)
The following RenderObject was being processed when the exception was fired: RenderViewport#5374e NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
...  needs compositing
...  parentData: <none> (can use size)
...  constraints: BoxConstraints(0.0<=w<=276.0, 0.0<=h<=Infinity)
...  size: MISSING
...  axisDirection: right
...  crossAxisDirection: down
...  offset: _PagePosition#86265(range: null..null, viewport: null, ScrollableState, _ForceImplicitScrollPhysics -> PageScrollPhysics -> PageScrollPhysics -> ClampingScrollPhysics -> ClampingScrollPhysics -> RangeMaintainingScrollPhysics, IdleScrollActivity#16092, ScrollDirection.idle)
...  anchor: 0.0
RenderObject: RenderViewport#5374e NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
  needs compositing
  parentData: <none> (can use size)
  constraints: BoxConstraints(0.0<=w<=276.0, 0.0<=h<=Infinity)
  size: MISSING
  axisDirection: right
  crossAxisDirection: down
  offset: _PagePosition#86265(range: null..null, viewport: null, ScrollableState, _ForceImplicitScrollPhysics -> PageScrollPhysics -> PageScrollPhysics -> ClampingScrollPhysics -> ClampingScrollPhysics -> RangeMaintainingScrollPhysics, IdleScrollActivity#16092, ScrollDirection.idle)
  anchor: 0.0
...  center child: _RenderSliverFractionalPadding#97a78 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
...    parentData: paintOffset=Offset(0.0, 0.0)
...    constraints: MISSING
...    geometry: null
...    child: RenderSliverFillViewport#34db1 NEEDS-LAYOUT NEEDS-PAINT
...      parentData: paintOffset=Offset(0.0, 0.0)
...      constraints: MISSING
...      geometry: null
...      no children current live
====================================================================================================

下面是我的代码调用选项卡的方式

initTabsStep() =>
      DefaultTabController(
        length: 2,
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: const [
            Flexible(child: TabBar(
              unselectedLabelColor: Colors.black,
              labelColor: Colors.orange,
              tabs: [
                Tab(child: Text("This is Tab 1"),icon: Icon(Icons.account_box_outlined),),
                Tab(child: Text("This is Tab 2"), icon: Icon(Icons.beach_access),),
              ],
            )),
            Flexible(child: TabBarView(
              children: [
                Text("You have selected tab 1"),
                Text("You have selected tab 2")
              ],
            ))
          ],
        ),
      );

下面是我在 Stepper 中的 Step 中调用我的 initTabsStep 的


 Step(
          title: const Text("STEP 2 CONTENT WITH TAB"),
          content: initTabsStep(),
          isActive: currentStep >= 1,
          state: currentStep == 1
              ? stepStateList[1]
              : currentStep > 1
              ? stepStateList[2]
              : stepStateList[0]),

方式尝试过包裹Column 中的 DefaultTabController 但它仍然无法工作

原文

I am having Flutter Stepper and i am trying to have a TabBar with TabBarView in one of the steps but i am getting below error

======== Exception caught by rendering library =====================================================
The following assertion was thrown during performResize():
Horizontal viewport was given unbounded height.

Viewports expand in the cross axis to fill their container and constrain their children to match their extent in the cross axis. In this case, a horizontal viewport was given an unlimited amount of vertical space in which to expand.
The relevant error-causing widget was: 
  TabBarView TabBarView:file:///C:/Users/Suswa/AndroidStudioProjects/tab_bar_inside_stepper_app/lib/screens/my_page.dart:523:29
When the exception was thrown, this was the stack: 
#0      RenderViewport.computeDryLayout.<anonymous closure> (package:flutter/src/rendering/viewport.dart:1424:15)
#1      RenderViewport.computeDryLayout (package:flutter/src/rendering/viewport.dart:1436:6)
#2      RenderBox.performResize (package:flutter/src/rendering/box.dart:2384:12)
#3      RenderObject.layout (package:flutter/src/rendering/object.dart:1866:9)
#4      RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#5      RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#6      RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#7      RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#8      RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#9      RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#10     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#11     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#12     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#13     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#14     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#15     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#16     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#17     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#18     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#19     RenderCustomPaint.performLayout (package:flutter/src/rendering/custom_paint.dart:545:11)
#20     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#21     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#22     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#23     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#24     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:896:45)
#25     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#26     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#27     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#28     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:829:43)
#29     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#30     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#31     RenderPadding.performLayout (package:flutter/src/rendering/shifted_box.dart:233:12)
#32     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#33     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#34     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#35     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#36     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#37     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#38     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#39     RenderStack.layoutPositionedChild (package:flutter/src/rendering/stack.dart:497:11)
#40     RenderStack.performLayout (package:flutter/src/rendering/stack.dart:610:30)
#41     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#42     RenderAnimatedSize.performLayout (package:flutter/src/rendering/animated_size.dart:200:12)
#43     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#44     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#45     _RenderCustomClip.performLayout (package:flutter/src/rendering/proxy_box.dart:1376:11)
#46     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#47     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#48     RenderStack._computeSize (package:flutter/src/rendering/stack.dart:570:43)
#49     RenderStack.performLayout (package:flutter/src/rendering/stack.dart:597:12)
#50     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#51     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#52     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:829:43)
#53     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#54     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#55     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#56     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#57     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#58     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#59     RenderSliverMultiBoxAdaptor.insertAndLayoutChild (package:flutter/src/rendering/sliver_multi_box_adaptor.dart:487:13)
#60     RenderSliverList.performLayout.advance (package:flutter/src/rendering/sliver_list.dart:239:19)
#61     RenderSliverList.performLayout (package:flutter/src/rendering/sliver_list.dart:281:12)
#62     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#63     RenderSliverEdgeInsetsPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:137:12)
#64     RenderSliverPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:371:11)
#65     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#66     RenderViewportBase.layoutChildSequence (package:flutter/src/rendering/viewport.dart:510:13)
#67     RenderShrinkWrappingViewport._attemptLayout (package:flutter/src/rendering/viewport.dart:1938:12)
#68     RenderShrinkWrappingViewport.performLayout (package:flutter/src/rendering/viewport.dart:1884:20)
#69     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#70     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#71     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#72     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#73     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#74     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#75     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#76     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#77     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#78     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#79     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#80     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#81     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#82     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#83     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#84     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#85     RenderCustomPaint.performLayout (package:flutter/src/rendering/custom_paint.dart:545:11)
#86     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#87     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:116:14)
#88     RenderObject.layout (package:flutter/src/rendering/object.dart:1887:7)
#89     ChildLayoutHelper.layoutChild (package:flutter/src/rendering/layout_helper.dart:56:11)
#90     RenderFlex._computeSizes (package:flutter/src/rendering/flex.dart:896:45)
#91     RenderFlex.performLayout (package:flutter/src/rendering/flex.dart:931:32)
#92     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:1731:7)
#93     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:887:18)
#94     RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:497:19)
#95     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:883:13)
#96     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:363:5)
#97     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1144:15)
#98     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1081:9)
#99     SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:995:5)
#103    _invoke (dart:ui/hooks.dart:151:10)
#104    PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:308:5)
#105    _drawFrame (dart:ui/hooks.dart:115:31)
(elided 3 frames from dart:async)
The following RenderObject was being processed when the exception was fired: RenderViewport#5374e NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
...  needs compositing
...  parentData: <none> (can use size)
...  constraints: BoxConstraints(0.0<=w<=276.0, 0.0<=h<=Infinity)
...  size: MISSING
...  axisDirection: right
...  crossAxisDirection: down
...  offset: _PagePosition#86265(range: null..null, viewport: null, ScrollableState, _ForceImplicitScrollPhysics -> PageScrollPhysics -> PageScrollPhysics -> ClampingScrollPhysics -> ClampingScrollPhysics -> RangeMaintainingScrollPhysics, IdleScrollActivity#16092, ScrollDirection.idle)
...  anchor: 0.0
RenderObject: RenderViewport#5374e NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
  needs compositing
  parentData: <none> (can use size)
  constraints: BoxConstraints(0.0<=w<=276.0, 0.0<=h<=Infinity)
  size: MISSING
  axisDirection: right
  crossAxisDirection: down
  offset: _PagePosition#86265(range: null..null, viewport: null, ScrollableState, _ForceImplicitScrollPhysics -> PageScrollPhysics -> PageScrollPhysics -> ClampingScrollPhysics -> ClampingScrollPhysics -> RangeMaintainingScrollPhysics, IdleScrollActivity#16092, ScrollDirection.idle)
  anchor: 0.0
...  center child: _RenderSliverFractionalPadding#97a78 NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
...    parentData: paintOffset=Offset(0.0, 0.0)
...    constraints: MISSING
...    geometry: null
...    child: RenderSliverFillViewport#34db1 NEEDS-LAYOUT NEEDS-PAINT
...      parentData: paintOffset=Offset(0.0, 0.0)
...      constraints: MISSING
...      geometry: null
...      no children current live
====================================================================================================

Below is how my code looks like for calling the tabs

initTabsStep() =>
      DefaultTabController(
        length: 2,
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: const [
            Flexible(child: TabBar(
              unselectedLabelColor: Colors.black,
              labelColor: Colors.orange,
              tabs: [
                Tab(child: Text("This is Tab 1"),icon: Icon(Icons.account_box_outlined),),
                Tab(child: Text("This is Tab 2"), icon: Icon(Icons.beach_access),),
              ],
            )),
            Flexible(child: TabBarView(
              children: [
                Text("You have selected tab 1"),
                Text("You have selected tab 2")
              ],
            ))
          ],
        ),
      );

Below is how i am calling my initTabsStep in my Step in Stepper


 Step(
          title: const Text("STEP 2 CONTENT WITH TAB"),
          content: initTabsStep(),
          isActive: currentStep >= 1,
          state: currentStep == 1
              ? stepStateList[1]
              : currentStep > 1
              ? stepStateList[2]
              : stepStateList[0]),

I have tried wrapping DefaultTabController in Column but its still not working

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菩提树下叶撕阳。 2025-01-23 19:25:08

请将您的 Widget 布局 Column 更改为 ListView 或使用 SizedBox 包裹您的 ParentWidget 并指定 mediaQuery 的高度和宽度

Please change you Widget layout Column to ListView or Wrap your ParentWidget with SizedBox and give mediaQuery height and width

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