Error with lastest version Xamarin.Forms Button.CornerRadius

[Update: Code worked on Android 8.0 simulator]
I keep receive error No CornerRadius property found for the type Button
My code behind

public TabbedPage1 ()
{
InitializeComponent();
this.FindByName<Button>("runButton").CornerRadius = screenX / 5;
}


My xaml

<?xml version="1.0" encoding="utf-8" ?>
<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="FuckThis.TabbedPage1">
<ContentPage x:Name="Page1">
<RelativeLayout>
<Button xmlns:android="http://schemas.android.com/apk/res/android"
x:Name="runButton"
Text="Run"
RelativeLayout.WidthConstraint="{ConstraintExpression Type=RelativeToParent,Property=Width,Factor=0.4}"
RelativeLayout.HeightConstraint="{ConstraintExpression Type=RelativeToParent,Property=Width,Factor=0.4}"
RelativeLayout.YConstraint="{ConstraintExpression Type=RelativeToParent,Property=Height,Factor=0.3}"
RelativeLayout.XConstraint="{ConstraintExpression Type=RelativeToParent,Property=Width,Factor=0.3}"
BorderRadius="200"
CornerRadius="200"
/>
</RelativeLayout>
</ContentPage>
</TabbedPage>

I've tried BorderRadius but it didnt work due to new Xamarin.Forms version 3.1
In another try, CornerRadius worked on Android and showed error on iOS, but then i tried to create new project and all f...ed up, now it's bug on Android also

1 Answer
1

Try this:

public TabbedPage1 ()
{
InitializeComponent();
runButton.CornerRadius = screenX / 5;
}


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