AnimationController must be provided when BottomSheet.enableDrag or BottomSheet.showDragHandle is true #127093
Description
Is there an existing issue for this?
- I have searched the existing issues
- I have read the guide to filing a bug
Steps to reproduce
Run the code sample below.
BottomSheet. enableDrag defaults to true but it required providing AnimationController. to the BottomSheet.
This isn't documented:
https://master-api.flutter.dev/flutter/material/BottomSheet-class.html
https://master-api.flutter.dev/flutter/material/BottomSheet/enableDrag.html
Only after the running code, you get the error message to understand the requirement.
Expected results
AnimationController must be provided is documented
Actual results
AnimationController must be provided isn't documented
Code sample
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 MaterialApp(
debugShowCheckedModeBanner: false,
theme: ThemeData(useMaterial3: true),
home: const Example(),
);
}
}
class Example extends StatelessWidget {
const Example({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
bottomSheet: BottomSheet(
builder: (BuildContext context) {
return Container(
height: 200,
color: Colors.red,
);
}, onClosing: () { },
),
);
}
}
Screenshots or Video
Screenshots / Video demonstration
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Logs
Logs
flutter: When the exception was thrown, this was the stack:
flutter: #2 _BottomSheetState._handleDragEnd (package:flutter/src/material/bottom_sheet.dart:279:7)
flutter: #3 DragGestureRecognizer._checkEnd.<anonymous closure> (package:flutter/src/gestures/monodrag.dart:540:47)
flutter: #4 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:275:24)
flutter: #5 DragGestureRecognizer._checkEnd (package:flutter/src/gestures/monodrag.dart:540:5)
flutter: #6 DragGestureRecognizer.didStopTrackingLastPointer (package:flutter/src/gestures/monodrag.dart:463:9)
flutter: #7 OneSequenceGestureRecognizer.stopTrackingPointer (package:flutter/src/gestures/recognizer.dart:465:9)
flutter: #8 DragGestureRecognizer._giveUpPointer (package:flutter/src/gestures/monodrag.dart:471:5)
flutter: #9 DragGestureRecognizer.handleEvent (package:flutter/src/gestures/monodrag.dart:394:7)
flutter: #10 PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:98:12)
flutter: #11 PointerRouter._dispatchEventToRoutes.<anonymous closure> (package:flutter/src/gestures/pointer_router.dart:143:9)
flutter: #12 _LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:625:13)
flutter: #13 PointerRouter._dispatchEventToRoutes (package:flutter/src/gestures/pointer_router.dart:141:18)
flutter: #14 PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:127:7)
flutter: #15 GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:465:19)
flutter: #16 GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:445:22)
flutter: #17 RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:331:11)
flutter: #18 GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:400:7)
flutter: #19 GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:363:5)
flutter: #20 GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:320:7)
flutter: #21 GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:293:9)
flutter: #22 _invoke1 (dart:ui/hooks.dart:186:13)
flutter: #23 PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:415:7)
flutter: #24 _dispatchPointerDataPacket (dart:ui/hooks.dart:119:31)
flutter: (elided 2 frames from class _AssertionError)
flutter:
flutter: Handler: "onEnd"
flutter: Recognizer:
flutter: VerticalDragGestureRecognizer#ed2f7
Flutter Doctor output
Doctor output
[!] Flutter (Channel master, 3.11.0-6.0.pre.134, on macOS 13.3.1 22E772610a darwin-arm64, locale en-EE)
• Flutter version 3.11.0-6.0.pre.134 on channel master at /Users/tahatesser/Code/flutter
! Upstream repository [email protected]:TahaTesser/flutter.git is not the same as FLUTTER_GIT_URL
• FLUTTER_GIT_URL = [email protected]:NevercodeHQ/flutter.git
• Framework revision f31dae2a80 (8 hours ago), 2023-05-17 17:18:51 -0700
• Engine revision d970370779
• Dart version 3.1.0 (build 3.1.0-118.0.dev)
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and upgrades.
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• Platform android-33, build-tools 33.0.2
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• Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b829.9-10027231)
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