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Hello,
When we use a SliverAppBar, we notice that the semantic order is defined in this way: Leading -> Title -> Actions -> Bottom -> FlexingSpace.
https://github.com/flutter/flutter/blob/ee0bbf4…
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Now, when blurring the background of elements, an image outside the widget is also taken. This blurs a widget that is not yet behind a widget with a blurred background. It may be worth blurring only t…
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I am getting the following error message
> BoxConstraints forces an infinite height.
> [...]
> The relevant error-causing widget was HeaderLocator
**if and only if**
* I add a search input fi…
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### Steps to reproduce
1. run sample code
2. look at debug console
### Expected results
Don't materialze invisible widgets.
I'm using SliverFixedExtentList.builder.
It is possible to caluclate s…
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Internal: b/292548368
The app at the bottom of this issue adds repaint boundaries by default for the grid view, even though it is not scrollable by itself and is shrink wrapped. This means that some …
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### Is there an existing issue for this?
- [X] I have searched the [existing issues](https://github.com/flutter/flutter/issues)
- [X] I have read the [guide to filing a bug](https://flutter.dev/do…
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Throw exception: Failed assertion: line 1174 pos 15: '!identical(kind, PointerDeviceKind.trackpad)':
In below this could be the simple Widget that we can easily reproduce the throw exception:
```d…
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Here's mostly corrected version, still got some errors, please finish it
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package…
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When trying to return a different `Sliver` child to a `CustomScrollView`, the following exception is thrown:
```
══╡ EXCEPTION CAUGHT BY SCHEDULER LIBRARY ╞══════════════════════
The following as…