[Bug] Path not loading in Xamarin ShellContent Tab once it is navigated back from other Tab

[jessiezh0320]

Description

Path not loading in Xamarin ShellContent Tab once it is navigated back from other Tab.

Steps to Reproduce

1. create a new shell app;

2. In Page AboutPage,add the following path :

   <Path  Data="M 10,100 L 100,100 100,50Z" Stroke="Black" StrokeThickness="1"    Aspect="Uniform" HorizontalOptions="Start"  >
   

3. When switching to another TAB page (Itempage) and switching to AboutPage again, Path in page AboutPage cannot be displayed properly.

Expected Behavior

Path could been loaded normally in Xamarin ShellContent Tab once it is navigated back from other Tab.

Actual Behavior

Path not loading in Xamarin ShellContent Tab once it is navigated back from other Tab.

Basic Information

I tested on android emulator Pixel 2 Oreo 8.1.
And the version of Nuget xamarin form is 4.8.0.1821 .

• Version with issue:
• Last known good version:
• Platform Target Frameworks:
  • Android:
• Android Support Library / AndroidX Version:
• NuGet Packages: The version of Nuget xamarin form is 4.8.0.1821
• Affected Devices:

Environment

Screenshots

The first time , the path could show normally.

But once it is navigated back from the second Tab ItemsPage, the path couldn't show.

Reproduction Link

MyShellApp.zip

Workaround