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darshankawar avatar darshankawar commented on June 8, 2024

Thanks for the report. Below is the error thrown in the console:

console error log

══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
The following assertion was thrown during paint():
Text layout not available
The relevant error-causing widget was:
  MaterialApp MaterialApp:file:///Users/dhs/Documents/NCFlutter/app_foo_stable/lib/main.dart:10:12

The calls that first invalidated the text layout were:
#0      TextPainter.markNeedsLayout.<anonymous closure> (package:flutter/src/painting/text_painter.dart:728:55)
#1      TextPainter.markNeedsLayout (package:flutter/src/painting/text_painter.dart:731:6)
#2      TextPainter.text= (package:flutter/src/painting/text_painter.dart:764:7)
#3      _RenderSlider._updateLabelPainter (package:flutter/src/material/slider.dart:1416:21)
#4      _RenderSlider.label= (package:flutter/src/material/slider.dart:1245:5)
#5      _SliderRenderObjectWidget.updateRenderObject (package:flutter/src/material/slider.dart:1035:9)
#6      RenderObjectElement._performRebuild (package:flutter/src/widgets/framework.dart:6496:36)
#7      RenderObjectElement.update (package:flutter/src/widgets/framework.dart:6473:5)
#8      Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#9      SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#10     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#11     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#12     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#13     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#14     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#15     ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#16     _InheritedNotifierElement.update (package:flutter/src/widgets/inherited_notifier.dart:105:11)
#17     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#18     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#19     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#20     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#21     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#22     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#23     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#24     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#25     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#26     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#27     ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#28     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#29     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#30     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#31     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#32     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#33     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#34     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#35     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#36     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#37     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#38     ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#39     _InheritedNotifierElement.update (package:flutter/src/widgets/inherited_notifier.dart:105:11)
#40     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#41     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#42     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#43     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#44     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#45     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#46     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#47     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#48     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#49     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#50     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#51     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#52     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#53     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#54     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#55     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#56     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#57     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#58     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#59     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#60     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#61     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#62     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#63     Element.updateChildren (package:flutter/src/widgets/framework.dart:3970:32)
#64     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6923:17)
#65     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#66     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#67     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#68     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#69     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#70     StatelessElement.update (package:flutter/src/widgets/framework.dart:5557:5)
#71     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#72     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#73     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#74     StatelessElement.update (package:flutter/src/widgets/framework.dart:5557:5)
#75     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#76     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#77     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#78     ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#79     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#80     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#81     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#82     ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#83     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#84     Element.updateChildren (package:flutter/src/widgets/framework.dart:3970:32)
#85     MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6923:17)
#86     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#87     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#88     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#89     ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#90     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#91     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#92     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#93     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#94     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#95     Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#96     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#97     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#98     Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#99     StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#100    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#101    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#102    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#103    ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#104    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#105    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#106    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#107    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#108    StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#109    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#110    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#111    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#112    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#113    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#114    ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#115    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#116    SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6770:14)
#117    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#118    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#119    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#120    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#121    StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#122    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#123    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#124    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#125    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#126    StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#127    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#128    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#129    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#130    ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#131    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#132    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#133    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#134    ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#135    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#136    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#137    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#138    ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#139    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#140    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#141    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#142    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#143    StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#144    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#145    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#146    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#147    ProxyElement.update (package:flutter/src/widgets/framework.dart:5810:5)
#148    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#149    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#150    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#151    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#152    StatefulElement.update (package:flutter/src/widgets/framework.dart:5667:5)
#153    Element.updateChild (package:flutter/src/widgets/framework.dart:3821:15)
#154    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5506:16)
#155    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5644:11)
#156    Element.rebuild (package:flutter/src/widgets/framework.dart:5197:7)
#157    BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2905:19)
#158    WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1136:21)
#159    RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:468:5)
#160    SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1392:15)
#161    SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1313:9)
#162    SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1171:5)
#163    _invoke (dart:ui/hooks.dart:312:13)
#164    PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:419:5)
#165    _drawFrame (dart:ui/hooks.dart:283:31)

When the exception was thrown, this was the stack:
#0      TextPainter._debugAssertTextLayoutIsValid (package:flutter/src/painting/text_painter.dart:708:7)
#1      TextPainter.width (package:flutter/src/painting/text_painter.dart:1089:12)
#2      _DropSliderValueIndicatorPathPainter._upperRectangleWidth (package:flutter/src/material/slider_theme.dart:3459:72)
#3      _DropSliderValueIndicatorPathPainter.paint (package:flutter/src/material/slider_theme.dart:3489:35)
#4      DropSliderValueIndicatorShape.paint (package:flutter/src/material/slider_theme.dart:3391:18)
#5      _RenderSlider.paint.<anonymous closure> (package:flutter/src/material/slider.dart:1719:47)
#6      _RenderValueIndicator.paint (package:flutter/src/material/slider.dart:1893:33)
#7      RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#8      PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#9      RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#10     PaintingContext.pushLayer (package:flutter/src/rendering/object.dart:487:12)
#11     RenderFollowerLayer.paint (package:flutter/src/rendering/proxy_box.dart:4955:13)
#12     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#13     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#14     _RenderTheaterMixin.paint (package:flutter/src/widgets/overlay.dart:1029:15)
#15     _RenderTheater.paint (package:flutter/src/widgets/overlay.dart:1355:13)
#16     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#17     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#18     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#19     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#20     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#21     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#22     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#23     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#24     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#25     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#26     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#27     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#28     RenderCustomPaint.paint (package:flutter/src/rendering/custom_paint.dart:633:11)
#29     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#30     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#31     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#32     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#33     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#34     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#35     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#36     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#37     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#38     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#39     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#40     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#41     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#42     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#43     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#44     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#45     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#46     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#47     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#48     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#49     RenderProxyBoxMixin.paint (package:flutter/src/rendering/proxy_box.dart:136:13)
#50     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#51     PaintingContext.paintChild (package:flutter/src/rendering/object.dart:251:13)
#52     RenderView.paint (package:flutter/src/rendering/view.dart:312:15)
#53     RenderObject._paintWithContext (package:flutter/src/rendering/object.dart:3239:7)
#54     PaintingContext._repaintCompositedChild (package:flutter/src/rendering/object.dart:167:11)
#55     PaintingContext.repaintCompositedChild (package:flutter/src/rendering/object.dart:110:5)
#56     PipelineOwner.flushPaint (package:flutter/src/rendering/object.dart:1183:31)
#57     PipelineOwner.flushPaint (package:flutter/src/rendering/object.dart:1193:15)
#58     RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:604:23)
#59     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1138:13)
#60     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:468:5)
#61     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1392:15)
#62     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1313:9)
#63     SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1171:5)
#64     _invoke (dart:ui/hooks.dart:312:13)
#65     PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:419:5)
#66     _drawFrame (dart:ui/hooks.dart:283:31)

The following RenderObject was being processed when the exception was fired: _RenderValueIndicator#e243a:
  creator: _ValueIndicatorRenderObjectWidget ← CompositedTransformFollower ← _RenderTheaterMarker ←
    _EffectiveTickerMode ← TickerMode ←
    _OverlayEntryWidget-[LabeledGlobalKey<_OverlayEntryWidgetState>#2afc9] ← _Theater ←
    Overlay-[LabeledGlobalKey<OverlayState>#bdab6] ← UnmanagedRestorationScope ← _FocusInheritedScope
    ← Focus ← _FocusInheritedScope ← ⋯
  parentData: <none> (can use size)
  constraints: BoxConstraints(w=800.0, h=600.0)
  size: Size(800.0, 600.0)
This RenderObject has no descendants.
════════════════════════════════════════════════════════════════════════════════════════════════════

Another exception was thrown: Text layout not available
Another exception was thrown: Text layout not available
Another exception was thrown: Text layout not available
Another exception was thrown: Text layout not available
Another exception was thrown: Text layout not available
Another exception was thrown: Text layout not available
Another exception was thrown: Text layout not available


stable, master flutter doctor -v
[!] Flutter (Channel stable, 3.19.6, on macOS 12.2.1 21D62 darwin-x64, locale
    en-GB)
    • Flutter version 3.19.6 on channel stable at
      /Users/dhs/documents/fluttersdk/flutter
    ! Warning: `flutter` on your path resolves to
      /Users/dhs/Documents/Fluttersdk/flutter/bin/flutter, which is not inside
      your current Flutter SDK checkout at
      /Users/dhs/documents/fluttersdk/flutter. Consider adding
      /Users/dhs/documents/fluttersdk/flutter/bin to the front of your path.
    ! Warning: `dart` on your path resolves to
      /Users/dhs/Documents/Fluttersdk/flutter/bin/dart, which is not inside your
      current Flutter SDK checkout at /Users/dhs/documents/fluttersdk/flutter.
      Consider adding /Users/dhs/documents/fluttersdk/flutter/bin to the front
      of your path.
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 54e66469a9 (6 days ago), 2024-04-17 13:08:03 -0700
    • Engine revision c4cd48e186
    • Dart version 3.3.4
    • DevTools version 2.31.1
    • If those were intentional, you can disregard the above warnings; however
      it is recommended to use "git" directly to perform update checks and
      upgrades.

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      ios            • iOS 14.4.1 18D61
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      ios            • com.apple.CoreSimulator.SimRuntime.iOS-14-3 (simulator)
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[!] Flutter (Channel master, 3.22.0-30.0.pre.11, on macOS 12.2.1 21D62
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    • macOS (desktop)           • macos                                    •
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! Doctor found issues in 1 category.
      
[!] Xcode - develop for iOS and macOS (Xcode 12.3)
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[✓] Connected device (5 available)
    • SM G975F (mobile)       • RZ8M802WY0X • android-arm64   • Android 11 (API 30)
    • Darshan's iphone (mobile)  • 21150b119064aecc249dfcfe05e259197461ce23 •
      ios            • iOS 14.4.1 18D61
    • iPhone 12 Pro Max (mobile) • A5473606-0213-4FD8-BA16-553433949729     •
      ios            • com.apple.CoreSimulator.SimRuntime.iOS-14-3 (simulator)
    • macOS (desktop)            • macos                                    •
      darwin-x64     • Mac OS X 10.15.4 19E2269 darwin-x64
    • Chrome (web)               • chrome                                   •
      web-javascript • Google Chrome 98.0.4758.80

[✓] HTTP Host Availability
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! Doctor found issues in 1 category.



from flutter.

TahaTesser avatar TahaTesser commented on June 8, 2024

Code sample

expand to view the code sample
import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  double _sliderValue = 50;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: <Widget>[
              Slider(
                value: _sliderValue,
                max: 100,
                label: _sliderValue > 50 ? null : _sliderValue.toString(),
                divisions: 10,
                onChanged: (double value) {
                  setState(() {
                    _sliderValue = value;
                  });
                },
              )
            ],
          ),
        ),
      ),
    );
  }
}

from flutter.

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