Beginning Flutter Debugging

Sep 29 2022 · Dart 2.18, Flutter 3.3, Visual Studio Code / Android Studio

Part 1: Beginning Flutter Debugging

09. Solve Layout Errors in ListViews

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Notes: 09. Solve Layout Errors in ListViews

Prerequesites: Basic knowledge of how ListViews work is needed. Please see our Flutter ListView Course. The student materials have been reviewed and are updated as of SEPTEMBER 2022.

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ListViews can also scroll horizontally. For this, we set the scrollDirection to horizontal like so:

...
scrollDirection: Axis.horizontal,
...
itemExtent: 200
body: ListView(
  children: List.generate(20, (index) {
    return const CardItem();
  }),
),
body: ListView(
  children: List.generate(10, (index) {
    // New Code
    if (index == 2) {
      return ListView(
          scrollDirection: Axis.horizontal,
          children: List.generate(10, (index) => const AdvertBox()),
      );
    }
    // End New Code
    return const CardItem();
  }),
),
return SizedBox(
  height: 100,
  child: ListView(
    ...