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marcglasberg / indexed_list_view

Flutter package: Similar to a ListView, but lets you programmatically jump to any item, by index.
BSD 2-Clause "Simplified" License
251 stars 21 forks source link

Scroll to index does not work #1

Closed jagan999 closed 6 years ago

jagan999 commented 6 years ago

I copied the example code as is and tried to run it. When I click on any of the 3 buttons to scroll, it throws this error and does nothing.

I/flutter (32287): ══╡ EXCEPTION CAUGHT BY FOUNDATION LIBRARY ╞════════════════════════════════════════════════════════ I/flutter (32287): The following assertion was thrown while dispatching notifications for IndexedScrollController: I/flutter (32287): A IndexedScrollController was used after being disposed. I/flutter (32287): Once you have called dispose() on a IndexedScrollController, it can no longer be used. I/flutter (32287): I/flutter (32287): When the exception was thrown, this was the stack: I/flutter (32287): #0 ChangeNotifier._debugAssertNotDisposed. (package:flutter/src/foundation/change_notifier.dart:61:9) I/flutter (32287): #1 ChangeNotifier._debugAssertNotDisposed (package:flutter/src/foundation/change_notifier.dart:67:6) I/flutter (32287): #2 ChangeNotifier.dispose (package:flutter/src/foundation/change_notifier.dart:134:12) I/flutter (32287): #3 ScrollController.dispose (package:flutter/src/widgets/scroll_controller.dart:198:11) I/flutter (32287): #4 _IndexedListViewState._addPositiveControllerListener. (package:indexed_list_view/indexed_list_view.dart:154:30) I/flutter (32287): #5 ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:161:21) I/flutter (32287): #6 IndexedScrollController.jumpToIndex (package:indexed_list_view/indexed_list_view.dart:72:7) I/flutter (32287): #7 _TestPageState.build. (file:///C:/Home/AndroidDevelopment/MoneyGuruFlutter/moneyguru/lib/ui/test_page.dart:212:47) I/flutter (32287): #8 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:503:14) I/flutter (32287): #9 _InkResponseState.build. (package:flutter/src/material/ink_well.dart:558:30) I/flutter (32287): #10 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102:24) I/flutter (32287): #11 TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:242:9) I/flutter (32287): #12 TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:175:7) I/flutter (32287): #13 PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:315:9) I/flutter (32287): #14 PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73:12) I/flutter (32287): #15 PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:101:11) I/flutter (32287): #16 _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:143:19) I/flutter (32287): #17 _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:121:22) I/flutter (32287): #18 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:101:7) I/flutter (32287): #19 _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:64:7) I/flutter (32287): #20 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:48:7) I/flutter (32287): #21 _invoke1 (dart:ui/hooks.dart:142:13) I/flutter (32287): #22 _dispatchPointerDataPacket (dart:ui/hooks.dart:99:5) I/flutter (32287): I/flutter (32287): The IndexedScrollController sending notification was: I/flutter (32287): IndexedScrollController#f752d(one client, offset 0.0)

marcglasberg commented 6 years ago

Ok, I'll have a look in a few moments.

jagan999 commented 6 years ago

Hello, Were you able to take a look? Thanks

marcglasberg commented 6 years ago

Sorry for the delay. I couldn't reproduce the problem, but then I noticed I was using a newer version from the one in pub.dartlang.org. Could you please download the current version (0.0.4) and tell me if the problem is solved?

jagan999 commented 6 years ago

The new version throws no error. Thanks for fixing this.

jagan999 commented 6 years ago

Works wonderfully well. Thanks for this plugin. I'll upvote your work on all forums.