Unhandled Exception: type 'SliverHitTestResult' is not a subtype of type 'BoxHitTestResult' about flutter_staggered_grid_view HOT 25 CLOSED

here is work for me:

1. uprgade flutter_staggered_grid_view to 0.3.0
2. if the problem still persist, delete ~/.pub-cache/hosted/pub.dartlang.org folder
3. run $ flutter pub get
4. your flutter_staggered_grid_view should work by now

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Thanks, published in v0.3.0

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I've fixed it for my scenario, though I'm not sure if it will work for everyone. In sliver_variable_size_box_adaptor.dart change hitTestChildren method to:

  bool hitTestChildren(HitTestResult result,
      {@required double mainAxisPosition, @required double crossAxisPosition}) {
    for (var child in children) {
      if (hitTestBoxChild(BoxHitTestResult.wrap(result), child,
          mainAxisPosition: mainAxisPosition,
          crossAxisPosition: crossAxisPosition)) return true;
    }
    return false;
  }

The important bit is the change to call BoxHitTestResult.wrap(result) in the call to hitTestBoxChild instead of just passing result.

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After upgrade to 0.3.0 on Flutter 1.7.8. Running flutter clean works for me.

This worked for me

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After upgrade to 0.3.0 on Flutter 1.7.8. Running flutter clean works for me.

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update flutter_staggered_grid_view: ^0.3.0,it is ok!

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Same here using StaggeredGridView inside a NestedScrollView when trying to scroll.

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It's something to do with the hitTestChildren method in SliverVariableSizeBoxAdapter. If I revert it to just call super.hitTestChildren then scrolling works, but onTap on my child items never fires, so there's more to it than that :)

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This solution no longer works since flutter version 1.7.

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facing the same issue with Flutter 1.7.8+hotfix.3 and flutter_staggered_grid_view 0.3.0.
Please provide with a fix..

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above works!

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Also having this problem.

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Also having this issue.

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Same problem.

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same problem

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I've fixed it for my scenario, though I'm not sure if it will work for everyone. In sliver_variable_size_box_adaptor.dart change hitTestChildren method to:

  bool hitTestChildren(HitTestResult result,
      {@required double mainAxisPosition, @required double crossAxisPosition}) {
    for (var child in children) {
      if (hitTestBoxChild(BoxHitTestResult.wrap(result), child,
          mainAxisPosition: mainAxisPosition,
          crossAxisPosition: crossAxisPosition)) return true;
    }
    return false;
  }

The important bit is the change to call BoxHitTestResult.wrap(result) in the call to hitTestBoxChild instead of just passing result.

This Fixed the problem for me..

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Any news if the PR fixing this is going to get merged in? I'm keen to use this package but until this is fixed I will have to stick with my own implementation which isn't as clean or responsive as this package.

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It's really helpful,I have fixed this problem with overriding the hitTestChildren method。
Thank you!
ps: StaggerGridView inside NestedScrollView

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Upgraded flutter to 1.7 v, Now flutter_staggered_grid_view package is throwing this error "Unhandled Exception: type 'SliverHitTestResult' is not a subtype of type 'BoxHitTestResult'"

Upgraded package to 0.3.0 from 0.2.7, The error remains the same.

Requesting the author to provide a solution.

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@dereklakin 's solution works like a charm for me in Flutter 1.7.8+hotfix.3 and last updated Staggered package

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update flutter_staggered_grid_view: ^0.3.0,it is ok!

its is working, nice thankyou !

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After upgrade to 0.3.0. Running flutter clean works for me. must run flutter clean

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here is work for me:

1. uprgade flutter_staggered_grid_view to 0.3.0
2. if the problem still persist, delete ~/.pub-cache/hosted/pub.dartlang.org folder
3. run $ flutter pub get
4. your flutter_staggered_grid_view should work by now

thaaaaaaaaaaaaaank you so much maaan my head burned trying to fix it and now all is working i just updated it to 0.3.0 thaaaaaaaaaaank you maaaaan

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here is work for me:

1. uprgade flutter_staggered_grid_view to 0.3.0

2. if the problem still persist, delete ~/.pub-cache/hosted/pub.dartlang.org folder

3. run $ flutter pub get

4. your flutter_staggered_grid_view should work by now

thank you!

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Ya, it's work for me after upgrade 0.3.0

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