tree 5e24e0fd0bdbb6acbe5c71fa2e3d35b7ec46f4e9
parent 406b3546a2ac333a19d9a01c3567eee235dd21bf
author hellohuanlin <41930132+hellohuanlin@users.noreply.github.com> 1683750671 -0700
committer GitHub <noreply@github.com> 1683750671 +0000
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[backdrop_filter]Avoid relying on internal class details (#41873)

The original code creates an internal `class` which is alarming: 

`NSClassFromString(@"_UIVisualEffectBackdropView")`

This PR removes such usage. 

*List which issues are fixed by this PR. You must list at least one issue.*

Fixes https://github.com/flutter/flutter/issues/124008

*If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style