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@umi_mori(Masumi Morishige)in株式会社Galirage

ListViewをColumnに格納する方法【Flutter】

最終更新日 投稿日 2020年07月14日

はじめまして、ますみです！

自己紹介.png

背景

FlutterのColumnの中にListViewを格納しようとしたところ、Bad state: Future already completedをはじめとしたエラーが出てきました（全文は末尾を参照）。色々とソースコードを調べてみたところ、直接Widgetとしては入れられないらしいです。

具体的にやりたかったこととしては、以下のようにText (SubTitle)とListView (List 1~5)を、同一のContainerの中のColumnの中に入れるようなものになります。

result.png

エラー時のコード

実際に、エラーになった時のコードは以下の通りです。

sample.dart
class SamplePage extends StatefulWidget {
  SampleListPage({Key key}) : super(key: key);
  final List<String> sampleList = <String>[
    'List 1',
    'List 2',
    'List 3',
    'List 4',
    'List 5',
  ];

  @override
  _SamplePageState createState() => _SamplePageState();
}

class _SamplePageState extends State<SamplePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(title: Text('Title Text')),
        body: new Container(
            child: new Column(children: <Widget>[
          Container(
              padding: EdgeInsets.all(20.0),
              child: Text(
                "SubTitle",
                style: TextStyle(fontWeight: FontWeight.bold, fontSize: 22.0),
              )),
          ListView.builder(
            itemBuilder: (BuildContext context, int index) {
              return Card(
                child: Padding(
                  child: Text(
                    '${widget.sampleList[index]}',
                    style: TextStyle(fontSize: 22.0),
                  ),
                  padding: EdgeInsets.all(20.0),
                ),
              );
            },
            itemCount: widget.sampleList.length,
          ),
        ])));
  }
}

エラー対処した時のコード

対処法は大変シンプルで、ListViewの外側にExpandedのWidgetを追加すると、表示に成功することができました。

sample.dart
class SamplePage extends StatefulWidget {
  SampleListPage({Key key}) : super(key: key);
  final List<String> sampleList = <String>[
    'List 1',
    'List 2',
    'List 3',
    'List 4',
    'List 5',
  ];

  @override
  _SamplePageState createState() => _SamplePageState();
}

class _SamplePageState extends State<SamplePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(title: Text('Title Text')),
        body: new Container(
            child: new Column(children: <Widget>[
          Container(
              padding: EdgeInsets.all(20.0),
              child: Text(
                "SubTitle",
                style: TextStyle(fontWeight: FontWeight.bold, fontSize: 22.0),
              )),
          Expanded(
            child: ListView.builder(
              itemBuilder: (BuildContext context, int index) {
                return Card(
                  child: Padding(
                    child: Text(
                      '${widget.sampleList[index]}',
                      style: TextStyle(fontSize: 22.0),
                    ),
                    padding: EdgeInsets.all(20.0),
                  ),
                );
              },
              itemCount: widget.sampleList.length,
            ),
          )
        ])));
  }
}

エラー内容全文

エラー内容は以下の通りでした。

error.txt
Restarted application in 1,605ms.
flutter: ══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
flutter: The following assertion was thrown during performResize():
flutter: Vertical viewport was given unbounded height.
flutter: Viewports expand in the scrolling direction to fill their container. In this case, a vertical
flutter: viewport was given an unlimited amount of vertical space in which to expand. This situation
flutter: typically happens when a scrollable widget is nested inside another scrollable widget.
flutter: If this widget is always nested in a scrollable widget there is no need to use a viewport because
flutter: there will always be enough vertical space for the children. In this case, consider using a Column
flutter: instead. Otherwise, consider using the "shrinkWrap" property (or a ShrinkWrappingViewport) to size
flutter: the height of the viewport to the sum of the heights of its children.
flutter:
flutter: The relevant error-causing widget was:
flutter:   ListView
[38;5;248mflutter:[39;49m
flutter:
flutter: When the exception was thrown, this was the stack:
[38;5;244mflutter: #0      RenderViewport.performResize.<anonymous closure>[39;49m
[38;5;244mflutter: #1      RenderViewport.performResize[39;49m
[38;5;244mflutter: #2      RenderObject.layout[39;49m
[38;5;244mflutter: #3      RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #4      RenderObject.layout[39;49m
[38;5;244mflutter: #5      RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #6      RenderObject.layout[39;49m
[38;5;244mflutter: #7      RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #8      RenderObject.layout[39;49m
[38;5;244mflutter: #9      RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #10     RenderObject.layout[39;49m
[38;5;244mflutter: #11     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #12     RenderObject.layout[39;49m
[38;5;244mflutter: #13     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #14     RenderObject.layout[39;49m
[38;5;244mflutter: #15     RenderFlex.performLayout[39;49m
[38;5;244mflutter: #16     RenderObject.layout[39;49m
[38;5;244mflutter: #17     MultiChildLayoutDelegate.layoutChild[39;49m
[38;5;244mflutter: #18     _ScaffoldLayout.performLayout[39;49m
[38;5;244mflutter: #19     MultiChildLayoutDelegate._callPerformLayout[39;49m
[38;5;244mflutter: #20     RenderCustomMultiChildLayoutBox.performLayout[39;49m
[38;5;244mflutter: #21     RenderObject.layout[39;49m
[38;5;244mflutter: #22     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #23     RenderObject.layout[39;49m
[38;5;244mflutter: #24     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #25     _RenderCustomClip.performLayout[39;49m
[38;5;244mflutter: #26     RenderObject.layout[39;49m
[38;5;244mflutter: #27     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #28     RenderObject.layout[39;49m
[38;5;244mflutter: #29     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #30     RenderObject.layout[39;49m
[38;5;244mflutter: #31     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #32     RenderObject.layout[39;49m
[38;5;244mflutter: #33     RenderStack.performLayout[39;49m
[38;5;244mflutter: #34     RenderObject.layout[39;49m
[38;5;244mflutter: #35     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #36     RenderObject.layout[39;49m
[38;5;244mflutter: #37     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #38     RenderObject.layout[39;49m
[38;5;244mflutter: #39     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #40     RenderObject.layout[39;49m
[38;5;244mflutter: #41     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #42     RenderObject.layout[39;49m
[38;5;244mflutter: #43     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #44     RenderObject.layout[39;49m
[38;5;244mflutter: #45     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #46     RenderOffstage.performLayout[39;49m
[38;5;244mflutter: #47     RenderObject.layout[39;49m
[38;5;244mflutter: #48     _RenderTheatre.performLayout[39;49m
[38;5;244mflutter: #49     RenderObject.layout[39;49m
[38;5;244mflutter: #50     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #51     RenderObject.layout[39;49m
[38;5;244mflutter: #52     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #53     RenderObject.layout[39;49m
[38;5;244mflutter: #54     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #55     RenderObject.layout[39;49m
[38;5;244mflutter: #56     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #57     RenderObject.layout[39;49m
[38;5;244mflutter: #58     RenderProxyBoxMixin.performLayout[39;49m
[38;5;244mflutter: #59     RenderObject.layout[39;49m
[38;5;244mflutter: #60     RenderView.performLayout[39;49m
[38;5;244mflutter: #61     RenderObject._layoutWithoutResize[39;49m
[38;5;244mflutter: #62     PipelineOwner.flushLayout[39;49m
[38;5;244mflutter: #63     RendererBinding.drawFrame[39;49m
[38;5;244mflutter: #64     WidgetsBinding.drawFrame[39;49m
[38;5;244mflutter: #65     RendererBinding._handlePersistentFrameCallback[39;49m
[38;5;244mflutter: #66     SchedulerBinding._invokeFrameCallback[39;49m
[38;5;244mflutter: #67     SchedulerBinding.handleDrawFrame[39;49m
[38;5;244mflutter: #68     SchedulerBinding.scheduleWarmUpFrame.<anonymous closure>[39;49m
flutter: (elided 11 frames from class _RawReceivePortImpl, class _Timer, dart:async, and dart:async-patch)
flutter:
flutter: The following RenderObject was being processed when the exception was fired: RenderViewport#7229c NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE:
flutter:   needs compositing
flutter:   creator: Viewport ← IgnorePointer-[GlobalKey#655d4] ← Semantics ← _PointerListener ← Listener ←
flutter:     _GestureSemantics ← RawGestureDetector-[LabeledGlobalKey<RawGestureDetectorState>#a6270] ←
flutter:     _PointerListener ← Listener ← _ScrollableScope ← _ScrollSemantics-[GlobalKey#4ec2c] ← Scrollable ←
flutter:     ⋯
flutter:   parentData: <none> (can use size)
flutter:   constraints: BoxConstraints(0.0<=w<=414.0, 0.0<=h<=Infinity)
flutter:   size: MISSING
flutter:   axisDirection: down
flutter:   crossAxisDirection: right
flutter:   offset: ScrollPositionWithSingleContext#7e1fe(offset: 0.0, range: null..null, viewport: null,
flutter:     ScrollableState, AlwaysScrollableScrollPhysics -> BouncingScrollPhysics, IdleScrollActivity#48691,
flutter:     ScrollDirection.idle)
flutter:   anchor: 0.0
flutter: This RenderObject had the following descendants (showing up to depth 5):
flutter:     center child: RenderSliverPadding#bfa3f NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter:       child: RenderSliverList#7edf4 NEEDS-LAYOUT NEEDS-PAINT
flutter: ════════════════════════════════════════════════════════════════════════════════════════════════════
flutter: Another exception was thrown: RenderBox was not laid out: RenderViewport#7229c NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: RenderViewport#7229c NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: RenderIgnorePointer#4261e relayoutBoundary=up7 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: RenderSemanticsAnnotations#7da34 relayoutBoundary=up6 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: RenderPointerListener#f25ce relayoutBoundary=up5 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: RenderSemanticsGestureHandler#7f987 relayoutBoundary=up4 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: RenderPointerListener#02432 relayoutBoundary=up3 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: _RenderScrollSemantics#af1cd relayoutBoundary=up2 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: RenderBox was not laid out: RenderFlex#b3709 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
flutter: Another exception was thrown: NoSuchMethodError: The method '>' was called on null.
flutter: Another exception was thrown: NoSuchMethodError: The getter 'visible' was called on null.

[38;5;248m════════ Exception caught by Flutter framework ═════════════════════════════════[39;49m
[38;5;244mThe following StateError was thrown while executing callbacks for FrameTiming:[39;49m
Bad state: Future already completed

[38;5;244mWhen the exception was thrown, this was the stack[39;49m
[38;5;244m#1      WidgetsBinding.drawFrame.<anonymous closure>[39;49m
[38;5;244m#2      SchedulerBinding._executeTimingsCallbacks[39;49m
[38;5;244m#6      _invoke1  (dart:ui/hooks.dart:275:10)[39;49m
[38;5;244m#7      _reportTimings  (dart:ui/hooks.dart:213:3)[39;49m
[38;5;244m(elided 4 frames from dart:async)[39;49m
[38;5;244mThe TimingsCallback that gets executed was: Closure: (List<FrameTiming>) => Null[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m
Reloaded 2 of 500 libraries in 344ms.

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
[38;5;244mThe following assertion was thrown during performResize():[39;49m
Vertical viewport was given unbounded height.

[38;5;244mViewports expand in the scrolling direction to fill their container. In this case, a vertical viewport was given an unlimited amount of vertical space in which to expand. This situation typically happens when a scrollable widget is nested inside another scrollable widget.[39;49m

[38;5;248mIf this widget is always nested in a scrollable widget there is no need to use a viewport because there will always be enough vertical space for the children. In this case, consider using a Column instead. Otherwise, consider using the "shrinkWrap" property (or a ShrinkWrappingViewport) to size the height of the viewport to the sum of the heights of its children.[39;49m

[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;244mWhen the exception was thrown, this was the stack[39;49m
[38;5;244m#0      RenderViewport.performResize.<anonymous closure>[39;49m
[38;5;244m#1      RenderViewport.performResize[39;49m
[38;5;244m#2      RenderObject.layout[39;49m
[38;5;244m#3      RenderProxyBoxMixin.performLayout[39;49m
[38;5;244m#4      RenderObject.layout[39;49m
[38;5;244m...[39;49m
[38;5;244mThe following RenderObject was being processed when the exception was fired: RenderViewport#5cb1f NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m
[38;5;244mRenderObject: RenderViewport#5cb1f NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m
    [38;5;244mneeds compositing[39;49m
    [38;5;244mparentData: <none> (can use size)[39;49m
    [38;5;244mconstraints: BoxConstraints(0.0<=w<=382.0, 0.0<=h<=Infinity)[39;49m
    [38;5;244msize: MISSING[39;49m
    [38;5;244maxisDirection: down[39;49m
    [38;5;244mcrossAxisDirection: right[39;49m
    [38;5;244moffset: ScrollPositionWithSingleContext#70352(offset: 0.0, range: null..null, viewport: null, ScrollableState, AlwaysScrollableScrollPhysics -> BouncingScrollPhysics, IdleScrollActivity#f5d2d, ScrollDirection.idle)[39;49m
    [38;5;244manchor: 0.0[39;49m
    [38;5;244mcenter child: RenderSliverPadding#96b1e NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE[39;49m
        [38;5;244mparentData: paintOffset=Offset(0.0, 0.0)[39;49m
        [38;5;244mconstraints: MISSING[39;49m
        [38;5;244mgeometry: null[39;49m
        [38;5;244mpadding: EdgeInsets.zero[39;49m
        [38;5;244mtextDirection: ltr[39;49m
        [38;5;244mchild: RenderSliverList#7efe4 NEEDS-LAYOUT NEEDS-PAINT[39;49m
            [38;5;244mparentData: paintOffset=Offset(0.0, 0.0)[39;49m
            [38;5;244mconstraints: MISSING[39;49m
            [38;5;244mgeometry: null[39;49m
            [38;5;244mno children current live[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderViewport#5cb1f NEEDS-LAYOUT NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderViewport#5cb1f NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderIgnorePointer#85840 relayoutBoundary=up9 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderSemanticsAnnotations#80a22 relayoutBoundary=up8 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderPointerListener#4e7df relayoutBoundary=up7 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderSemanticsGestureHandler#89797 relayoutBoundary=up6 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderPointerListener#78530 relayoutBoundary=up5 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mListView[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: _RenderScrollSemantics#fdaa8 relayoutBoundary=up4 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mColumn[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderFlex#afb81 relayoutBoundary=up3 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mColumn[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderFlex#dc692 relayoutBoundary=up2 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mContainer[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
RenderBox was not laid out: RenderPadding#ab435 relayoutBoundary=up1 NEEDS-PAINT NEEDS-COMPOSITING-BITS-UPDATE
'package:flutter/src/rendering/box.dart':
Failed assertion: line 1694 pos 12: 'hasSize'
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mScaffold[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

[38;5;248m════════ Exception caught by rendering library ═════════════════════════════════[39;49m
The method '>' was called on null.
Receiver: null
Tried calling: >(1e-10)
[38;5;244mThe relevant error-causing widget was[39;49m
    [38;5;248mColumn[39;49m
[38;5;248m════════════════════════════════════════════════════════════════════════════════[39;49m

最後に

最後まで読んでくださり、ありがとうございました！
いかがだったでしょうか？

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※ 予告なく、キャンペーンを終了する可能性がございますが、ご了承ください。

【業務内容】
具体的には、以下のお仕事を中心に受け付けております！（詳しくはこちら）

  1. 受託開発（例：生成AIを使った社内システムの開発）
  2. コンサルティング（例：技術戦略のアドバイス）
  3. 講演（例：社内研修、イベント登壇）

※ 特に「生成AIを使ったシステム開発のご依頼」が多く、ご好評いただいております。

【これまでの相談事例】
以下のようなご相談が多くあります。

🔑 機密情報を漏洩させないための、生成AIのシステム構築をお願いしたい。
🤖 自社データを用いたFAQチャットボットの作り方を知りたい。
💡 ChatGPTを、自分たちの事業にどのように活かせるか、アドバイスやアイデアが欲しい。

おまけ

エンジニアの仲間（データサイエンティストも含む）を増やしたいため、公式LINEを始めました🎉

「一緒に仕事をしてくれる方」「友だちとして仲良くしてくれる方」は、友だち追加をしていただけますと嬉しいです！（仲良くなった人たちを集めて、「ボードゲーム会」や「ハッカソン」や「もくもく会」もやりたいなと考えています😆）

とはいえ、みなさんにもメリットがないと申し訳ないので、特典を用意しました！

友だち追加後に、アンケートに回答してくれた方へ「エンジニア図鑑（職種20選）」のPDFをお送りします◎

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