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fix compile error in the example code (#103261)

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Kyosuke Takayama 2022-05-11 01:04:09 +09:00 committed by GitHub
parent aed6b6fba1
commit 8c46968c62
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1 changed files with 6 additions and 2 deletions
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8
packages/flutter/lib/src/material/checkbox_list_tile.dart
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@ -11,6 +11,7 @@ import 'theme.dart';
import 'theme_data.dart';
// Examples can assume:
// bool? _throwShotAway = false;
// void setState(VoidCallback fn) { }
/// A [ListTile] with a [Checkbox]. In other words, a checkbox with a label.
@ -163,6 +164,8 @@ class CheckboxListTile extends StatelessWidget {
///
/// If null, the checkbox will be displayed as disabled.
///
/// {@tool snippet}
///
/// The callback provided to [onChanged] should update the state of the parent
/// [StatefulWidget] using the [State.setState] method, so that the parent
/// gets rebuilt; for example:
@ -170,14 +173,15 @@ class CheckboxListTile extends StatelessWidget {
/// ```dart
/// CheckboxListTile(
/// value: _throwShotAway,
/// onChanged: (bool newValue) {
/// onChanged: (bool? newValue) {
/// setState(() {
/// _throwShotAway = newValue;
/// });
/// },
/// title: Text('Throw away your shot'),
/// title: const Text('Throw away your shot'),
/// )
/// ```
/// {@end-tool}
final ValueChanged<bool?>? onChanged;
/// The color to use when this checkbox is checked.