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Fix Slider onChanged callback order & never calls onChangeStart on SliderInteraction.slideOnly allowed interaction #136720

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Merged
auto-submit merged 1 commit into from
Oct 18, 2023
Merged

Fix Slider onChanged callback order & never calls onChangeStart on SliderInteraction.slideOnly allowed interaction #136720

auto-submit merged 1 commit into from
Oct 18, 2023

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@TahaTesser
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@TahaTesser TahaTesser commented Oct 17, 2023 •
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fixes Slider will call onChanged before onChangeStart when sliding.

This fixes a regression from #121483

Code sample

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

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

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Example(),
    );
  }
}

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

  @override
  State<Example> createState() => _ExampleState();
}

class _ExampleState extends State<Example> {
  double _sliderValue = 0.5;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Slider(
          // allowedInteraction: SliderInteraction.tapAndSlide,
          // allowedInteraction: SliderInteraction.tapOnly,
          // allowedInteraction: SliderInteraction.slideOnly
          // allowedInteraction: SliderInteraction.slideThumb,
          value: _sliderValue,
          onChangeStart: (newValue) {
            print("onChangeStart ......");
          },
          onChanged: (newValue) {
            print("onChanged ......");
            setState(() {
              _sliderValue = newValue;
            });
          },
          onChangeEnd: (newValue) {
            print("onChangeEnd ......");
          },
        ),
      ),
    );
  }
}

Pre-launch Checklist

  • I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • I read the Tree Hygiene wiki page, which explains my responsibilities.
  • I read and followed the Flutter Style Guide, including Features we expect every widget to implement.
  • I signed the CLA.
  • I listed at least one issue that this PR fixes in the description above.
  • I updated/added relevant documentation (doc comments with ///).
  • I added new tests to check the change I am making, or this PR is test-exempt.
  • All existing and new tests are passing.

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@TahaTesser
Fix Slider onChanged callback order & never calls onChangeStart…
2f6d772 
… on `SliderInteraction.slideOnly` allowed interaction
@github-actions github-actions bot added framework flutter/packages/flutter repository. See also f: labels. f: material design flutter/packages/flutter/material repository. labels Oct 17, 2023
@TahaTesser TahaTesser requested a review from Piinks October 17, 2023 14:17
Piinks
Piinks reviewed Oct 17, 2023
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Nice fix! 🎊

Piinks
Piinks approved these changes Oct 18, 2023
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lgtm-very

@Piinks Piinks added the autosubmit Merge PR when tree becomes green via auto submit App label Oct 18, 2023
@auto-submit auto-submit bot merged commit 4f959b9 into flutter:master Oct 18, 2023
@engine-flutter-autoroll engine-flutter-autoroll mentioned this pull request Oct 18, 2023
Closed
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Oct 18, 2023
@engine-flutter-autoroll
4f959b9 Fix Slider onChanged callback order & never calls `onChan…
e391544 
…geStart` on `SliderInteraction.slideOnly` allowed interaction (flutter/flutter#136720)
@engine-flutter-autoroll engine-flutter-autoroll mentioned this pull request Oct 18, 2023
Closed
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Oct 18, 2023
@engine-flutter-autoroll
4f959b9 Fix Slider onChanged callback order & never calls `onChan…
dbeb4fe 
…geStart` on `SliderInteraction.slideOnly` allowed interaction (flutter/flutter#136720)
@TahaTesser TahaTesser deleted the fix_slider_callbacks branch October 18, 2023 18:28
@engine-flutter-autoroll engine-flutter-autoroll mentioned this pull request Oct 18, 2023
Closed
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Oct 18, 2023
@engine-flutter-autoroll
4f959b9 Fix Slider onChanged callback order & never calls `onChan…
a34ead3 
…geStart` on `SliderInteraction.slideOnly` allowed interaction (flutter/flutter#136720)
@engine-flutter-autoroll engine-flutter-autoroll mentioned this pull request Oct 18, 2023
Merged
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Oct 18, 2023
@engine-flutter-autoroll
4f959b9 Fix Slider onChanged callback order & never calls `onChan…
249d200 
…geStart` on `SliderInteraction.slideOnly` allowed interaction (flutter/flutter#136720)
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Oct 19, 2023
@engine-flutter-autoroll
Manual roll Flutter from 6eea6e2 to 189196d (44 revisions) (#5178)
09c6b11 
Manual roll Flutter from 6eea6e2 to 189196d (44 revisions)

Manual roll requested by [email protected]

flutter/flutter@6eea6e2...189196d

2023-10-18 [email protected] Roll Flutter Engine from ab86c53c19cd to 6caee3236d37 (2 revisions) (flutter/flutter#136834)
2023-10-18 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[Reland] Skip injecting Bonjour settings when port publication is disabled" (flutter/flutter#136839)
2023-10-18 [email protected] Convert menus to use OverlayPortal (flutter/flutter#130534)
2023-10-18 [email protected] [Reland] Skip injecting Bonjour settings when port publication is disabled (flutter/flutter#136751)
2023-10-18 [email protected] Roll Flutter Engine from 0eff5d191856 to ab86c53c19cd (1 revision) (flutter/flutter#136832)
2023-10-18 [email protected] Fixes ability to call nextFocus() on a node to focus its descendant (flutter/flutter#136773)
2023-10-18 [email protected] Roll Flutter Engine from b778a07f8ae9 to 0eff5d191856 (6 revisions) (flutter/flutter#136829)
2023-10-18 [email protected] Implement GApplication:shutdown so a Flutter developer knows where to put code that should occur on application shutdown. (flutter/flutter#136780)
2023-10-18 [email protected] Roll Flutter Engine from 7f37c9b181af to b778a07f8ae9 (1 revision) (flutter/flutter#136818)
2023-10-18 [email protected] Fix `Slider` `onChanged` callback order & never calls `onChangeStart` on  `SliderInteraction.slideOnly` allowed interaction (flutter/flutter#136720)
2023-10-18 [email protected] Roll Flutter Engine from 78026b4003fe to 7f37c9b181af (1 revision) (flutter/flutter#136817)
2023-10-18 [email protected] [Feat] Stroke color for Slider value indicator (flutter/flutter#135986)
2023-10-18 [email protected] Fixed : Empty Rows shown at last page in Paginated data table (flutter/flutter#132646)
2023-10-18 [email protected] Roll Flutter Engine from 46923fd39032 to 78026b4003fe (1 revision) (flutter/flutter#136814)
2023-10-18 [email protected] Roll Packages from d439062 to 14aa69e (1 revision) (flutter/flutter#136813)
2023-10-18 [email protected] Don't build native assets in `flutter build bundle` (flutter/flutter#136641)
2023-10-18 [email protected] Roll Flutter Engine from c9c9684e03a3 to 46923fd39032 (1 revision) (flutter/flutter#136795)
2023-10-18 [email protected] Roll Flutter Engine from 0c1c29271e8b to c9c9684e03a3 (1 revision) (flutter/flutter#136792)
2023-10-18 [email protected] Roll Flutter Engine from 1de09d13e708 to 0c1c29271e8b (3 revisions) (flutter/flutter#136789)
2023-10-18 [email protected] Roll Flutter Engine from 6fc36e61a99a to 1de09d13e708 (1 revision) (flutter/flutter#136785)
2023-10-18 [email protected] Roll Flutter Engine from 3f818efff3c5 to 6fc36e61a99a (1 revision) (flutter/flutter#136781)
2023-10-18 [email protected] Roll Flutter Engine from 2eef9b43cfb4 to 3f818efff3c5 (3 revisions) (flutter/flutter#136777)
2023-10-18 [email protected] Roll Flutter Engine from 5df7af34a718 to 2eef9b43cfb4 (4 revisions) (flutter/flutter#136774)
2023-10-18 [email protected] Flutter preview device (flutter/flutter#135639)
2023-10-18 [email protected] Add findChildIndexCallback examples (flutter/flutter#133469)
2023-10-18 [email protected] Adds API for performing semantics actions in tests (flutter/flutter#132598)
2023-10-18 [email protected] Roll Flutter Engine from e57b5bac4244 to 5df7af34a718 (2 revisions) (flutter/flutter#136772)
2023-10-17 [email protected] Roll Flutter Engine from f9f937e51080 to e57b5bac4244 (3 revisions) (flutter/flutter#136768)
2023-10-17 [email protected] clean up `--dart-define-from-file` option tests (flutter/flutter#135980)
2023-10-17 [email protected] GoldenFileComparators should dispose created Image objects.  (flutter/flutter#136716)
2023-10-17 [email protected] make integration_test_driver_extended.dart support writeResponseData--(done) (flutter/flutter#128382)
2023-10-17 49699333+dependabot[bot]@users.noreply.github.com Bump actions/checkout from 3.6.0 to 4.1.1 (flutter/flutter#136762)
2023-10-17 [email protected] Roll Flutter Engine from 289f29b1ad00 to f9f937e51080 (1 revision) (flutter/flutter#136755)
2023-10-17 [email protected] Roll Flutter Engine from 659e68a097b5 to 289f29b1ad00 (1 revision) (flutter/flutter#136752)
2023-10-17 [email protected] Support --web-header option for flutter run (flutter/flutter#136297)
2023-10-17 [email protected] Add Android 14 physical devices to firebase tests (flutter/flutter#136736)
2023-10-17 [email protected] Roll Flutter Engine from 62a90a91cee3 to 659e68a097b5 (3 revisions) (flutter/flutter#136746)
2023-10-17 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Skip injecting Bonjour settings when port publication is disabled" (flutter/flutter#136750)
2023-10-17 [email protected] Revert "[SingleChildScrollView] Correct the offset pixels if it is out of range during layout" (flutter/flutter#136744)
2023-10-17 [email protected] Skip injecting Bonjour settings when port publication is disabled (flutter/flutter#136562)
2023-10-17 [email protected] Roll Flutter Engine from 3ecbe924a598 to 62a90a91cee3 (2 revisions) (flutter/flutter#136739)
2023-10-17 [email protected] Roll Flutter Engine from 0a4d8b99a95b to 3ecbe924a598 (3 revisions) (flutter/flutter#136732)
2023-10-17 [email protected] Reenable NexusLowRes API 29 (flutter/flutter#136686)
2023-10-17 [email protected] Reenable the nexus 6p tests (flutter/flutter#136689)
...
@HansMuller HansMuller mentioned this pull request Oct 20, 2023
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Slider will call onChanged before onChangeStart when sliding.

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