AppThemeBinding BarBackground with Brush in NavigationPage not working

[kubaflo]

Description

I've created this bug as a follow-up to issue #24356 to ensure that the fix for the TabbedPage is handled separately from the fix for the NavigationPage. This separation is primarily for clearer testing and validation in UI tests.

Steps to Reproduce

No response

Link to public reproduction project repository

No response

Version with bug

8.0.80 SR8

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

iOS, Android

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output

No response

[github-actions]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it. Thank you!

Open similar issues:

• AppThemeBinding BarBackground with Brush in NavigationPage and TabbedPage not working (#24356), similarity score: 0.88
• NavigationPage: BarBackgroundColor, BarTextColor and Title not updating (#19859), similarity score: 0.77

Closed similar issues:

• NavigationBarColors from NavigationPage not changing on AppTheme changing (#23195), similarity score: 0.81
• MAUI - Android Navigationbar BarBackgroundColor is not updating as per the Theme color specified. (#11790), similarity score: 0.79
• [Bug] BackgroundColor of ContentPage not being updated on AppThemeBinding update (#5681), similarity score: 0.79

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[AlleSchonWeg]

Hi @kubaflo
thank you for fixing this issue!
Please keep in mind that a brush can be LinearGradientBrush, RadialGradientBrush or a SolidColorBrush. If i understand your PR correctly you fix only the LinearGradientBrush.

Thank you very much!

[kubaflo]

Hi @kubaflo thank you for fixing this issue! Please keep in mind that a brush can be LinearGradientBrush, RadialGradientBrush or a SolidColorBrush. If i understand your PR correctly you fix only the LinearGradientBrush.

Thank you very much!

It fixes both gradients