Xamarin.forms: [Bug][Android] SearchBar rendering issue in 4.5-pre2 on API 28

[davidbritch]

Description

SearchBar isn't rendering correctly on Android in 4.5-pre2. Here's how a SearchBar should render on Android:

Here's how a SearchBar is currently rendering with Forms 4.5-pre2:

The magnify icon is white, can't even see the X icon, and the underline is white. The overall effect is that the SearchBar is barely visible.

Steps to Reproduce

1. Run the attached sample on Android.
2. Browse to any of the EmptyView pages that do filtering.

Expected Behavior

A SearchBar fully appears at the top of the page.

Actual Behavior

A SearchBar partially appears, but the magnify icon, x icon, and underline barely appear.

Basic Information

• Version with issue: 4.5-pre2
• IDE: VSMac 8.4.2
• Platform Target Frameworks:
  
  
  
  • Android: API 28
  
  

Screenshots

Behold the SearchBar:

Reproduction Link

CarouselViewDemos.zip

[samhouts]

possibly related to #9266

[RedasP]

We're experiencing this issue on Xamarin.Forms 4.4.0.991477. Could you suggest a workaround?
Though, the issue is gone when dowgrading to 4.3.0.991250. Platform: Android API 23

[agat366]

Any hope for the workaround?..

[Hummel37]

Any hope for the workaround?..

Yes, see https://github.com/xamarin/Xamarin.Forms/issues/9266#issuecomment-619115611