'estimatedMaxScrollOffset >= endScrollOffset - leadingScrollOffset': is not true.

[zhoujinliang]

The following assertion was thrown during performLayout(): 'package:flutter_staggered_grid_view/src/rendering/sliver_masonry_grid.dart': Failed assertion: line 624 pos 9: 'estimatedMaxScrollOffset >= endScrollOffset - leadingScrollOffset': is not true.

The relevant error-causing widget was: MasonryGridView MasonryGridView:file:///Users/..../discover_screen.dart:72:34

When the exception was thrown, this was the stack:

2 RenderSliverMasonryGrid.performLayout (package:flutter_staggered_grid_view/src/rendering/sliver_masonry_grid.dart:624:9)

sliver_masonry_grid.dart:624

3 RenderObject.layout (package:flutter/src/rendering/object.dart:2395:7)

object.dart:2395

4 RenderSliverEdgeInsetsPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:139:12)

sliver_padding.dart:139

5 RenderSliverPadding.performLayout (package:flutter/src/rendering/sliver_padding.dart:361:11)

sliver_padding.dart:361

6 RenderObject.layout (package:flutter/src/rendering/object.dart:2395:7)

object.dart:2395

7 RenderViewportBase.layoutChildSequence (package:flutter/src/rendering/viewport.dart:534:13)

viewport.dart:534

8 RenderShrinkWrappingViewport._attemptLayout (package:flutter/src/rendering/viewport.dart:1882:12)

viewport.dart:1882

9 RenderShrinkWrappingViewport.performLayout (package:flutter/src/rendering/viewport.dart:1833:20)

viewport.dart:1833

10 RenderObject.layout (package:flutter/src/rendering/object.dart:2395:7)

object.dart:2395

11 RenderBox.layout (package:flutter/src/rendering/box.dart:2386:11)

box.dart:2386

12 RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:122:14)

proxy_box.dart:122

13 RenderObject.layout (package:flutter/src/rendering/object.dart:2395:7)

object.dart:2395

14 RenderBox.layout (package:flutter/src/rendering/box.dart:2386:11)

[letsar]

Can you give me a way to reproduce it? Which flutter version do you use?

[gpf0205]

I have also encountered this issue. When using MasonryGridView.builder in SmartRefresher, after performing a pull-down refresh and scrolling the list multiple times, the issue should be reproducible.

[gpf0205]

@letsar