[BUG (v7)] Dotted polyline throws exception: `Bad state: No element`
josxha opened this issue · comments
What is the bug?
While moving around on the polyline example page an exception gets thrown in the console. I'm using a pr branch in the video but this behaviour happens as well on master.
Aufzeichnung.2024-05-06.165323.mp4
======== Exception caught by rendering library =====================================================
The following StateError was thrown during paint():
Bad state: No element
The relevant error-causing widget was:
CustomPaint CustomPaint:file:///C:/.../flutter_map/lib/src/layer/polyline_layer/polyline_layer.dart:146:14
When the exception was thrown, this was the stack:
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 297:3 throw_
dart-sdk/lib/_internal/js_dev_runtime/private/js_array.dart 356:5 last]
packages/flutter_map/src/layer/misc/line_patterns/pixel_hiker.dart 55:28 getAllVisibleDots
packages/flutter_map/src/layer/polyline_layer/painter.dart 226:39 paint
packages/flutter/src/rendering/custom_paint.dart 588:12 [_paintWithPainter]
packages/flutter/src/rendering/custom_paint.dart 630:7 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/proxy_box.dart 2549:17 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/shifted_box.dart 74:14 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/box.dart 2882:14 defaultPaint
packages/flutter/src/rendering/stack.dart 641:5 paintStack
packages/flutter/src/rendering/stack.dart 657:7 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 549:83 <fn>
packages/flutter/src/painting/clip.dart 25:5 [_clipAndPaint]
packages/flutter/src/painting/clip.dart 53:5 clipRectAndPaint
packages/flutter/src/rendering/object.dart 549:7 pushClipRect
packages/flutter/src/rendering/proxy_box.dart 1538:24 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/widgets/layout_builder.dart 356:14 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 250:12 paintChild
packages/flutter/src/rendering/proxy_box.dart 130:12 paint
packages/flutter/src/rendering/object.dart 3237:7 [_paintWithContext]
packages/flutter/src/rendering/object.dart 166:10 _repaintCompositedChild
packages/flutter/src/rendering/object.dart 109:5 repaintCompositedChild
packages/flutter/src/rendering/object.dart 1182:31 flushPaint
packages/flutter/src/rendering/object.dart 1192:14 flushPaint
packages/flutter/src/rendering/binding.dart 584:5 drawFrame
packages/flutter/src/widgets/binding.dart 991:13 drawFrame
packages/flutter/src/rendering/binding.dart 448:5 [_handlePersistentFrameCallback]
packages/flutter/src/scheduler/binding.dart 1386:7 [_invokeFrameCallback]
packages/flutter/src/scheduler/binding.dart 1311:9 handleDrawFrame
packages/flutter/src/scheduler/binding.dart 1169:5 [_handleDrawFrame]
lib/_engine/engine/platform_dispatcher.dart 1346:5 invoke
lib/_engine/engine/platform_dispatcher.dart 260:5 invokeOnDrawFrame
lib/_engine/engine/initialization.dart 185:36 <fn>
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart 550:37 _checkAndCall
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/operations.dart 555:39 dcall
The following RenderObject was being processed when the exception was fired: RenderCustomPaint#8fcfd
... parentData: <none> (can use size)
... constraints: BoxConstraints(w=1029.0, h=753.0)
... size: Size(1029.0, 753.0)
... painter: _PolylinePainter<({String subtitle, String title})>#32d95()
... preferredSize: Size(1029.0, 753.0)
RenderObject: RenderCustomPaint#8fcfd
parentData: <none> (can use size)
constraints: BoxConstraints(w=1029.0, h=753.0)
size: Size(1029.0, 753.0)
painter: _PolylinePainter<({String subtitle, String title})>#32d95()
preferredSize: Size(1029.0, 753.0)How can we reproduce it?
- launch the example app (I used web as platform)
- open the polyline page
- move the dotted polyline in and out of the viewable area
Do you have a potential solution?
No response
Platforms
probably all
Severity
Minimum: Allows normal functioning
@josxha Sorry about that, it's a side effect. As you can see on your video, the problem occurs when eventually there are no visible dots.
I'm about to fix and PR.