質問編集履歴
2
わかりずらい点を修正しました
test
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File without changes
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test
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@@ -148,8 +148,7 @@
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148
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```
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###
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### エラーが起きたソースコード
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152
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-
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153
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```dart
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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1
解決方法を掲載しました
test
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File without changes
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test
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@@ -4,7 +4,80 @@
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4
4
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Flutterで ListView.builder の中に さらに、ListView.builder を入れたいです！
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5
5
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Flutterでカレンダーのようなシステムを作っています。
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6
6
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scrollDirection: Axis.horizontal,で横並びに指定したListView.builder のそれぞれの中に 縦並びのListView.builderを入れようと思っています！
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7
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-
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7
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+
### 追記: 解決しました！
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8
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+
ta.fu さんのコードをもとにして GridView の中に ListView を入れることで解決しました。
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9
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+
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10
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+
```dart
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11
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import 'package:flutter/material.dart';
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12
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import 'package:flutter/rendering.dart';
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13
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+
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14
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void main() => runApp(const MyApp());
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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+
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// This widget is the root of your application.
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@override
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Widget build(BuildContext context) {
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21
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return MaterialApp(//return MaterialAppはアプリ内で１つ
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home: calender()
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);
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24
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}
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25
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+
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26
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}
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27
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+
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class calender extends StatefulWidget {
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const calender({Key? key}) : super(key: key);
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@override
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32
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State<calender> createState() => calenderState();
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33
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}
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34
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List<String> days = ["月","火","水","木","金","土","日"];
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35
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class calenderState extends State<calender> {
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36
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@override
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37
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Widget build(BuildContext context) {
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38
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return Scaffold(
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39
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body:Column(
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40
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//Expandedの親はColumnかRow
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children: [
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42
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Expanded(
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43
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child: Row(
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children: [
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const Text("Row"),
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Expanded(
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child: GridView.builder(
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48
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itemCount: 7,
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49
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itemBuilder: (context, index) {
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50
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String today = days[index];
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return Column(
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children: [
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Text(today),
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54
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Expanded(child: ListView.builder(
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55
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itemCount: 24,
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56
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itemBuilder: (context,index){
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57
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return Container(
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58
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child: Text("$index:00"),
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59
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);
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60
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}),)
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61
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],
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);
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63
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},
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64
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+
gridDelegate:
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65
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const SliverGridDelegateWithFixedCrossAxisCount(
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66
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crossAxisCount: 7,
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67
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),
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68
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),
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69
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+
),
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70
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+
],
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71
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+
),
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72
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+
),
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73
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+
],
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74
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+
)
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75
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+
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76
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+
);
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77
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+
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78
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+
}
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79
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+
}
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|
80
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+
```
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8
81
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9
82
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### 発生している問題・エラーメッセージ
|
|
10
83
|
|