<telerik:RadBusyIndicator x:Name="BusyTest"
IsBusy="{Binding IsBusy, Mode=TwoWay}"
AnimationContentColor="DodgerBlue"
AnimationContentHeightRequest="40"
AnimationContentWidthRequest="40"
VerticalOptions="Center"
HorizontalOptions="Center"
AnimationType="Animation6">
<telerik:RadBusyIndicator.Content>
<Label Text="{Binding LabelText, Mode=TwoWay}" TextColor="Blue" FontSize="16"/>
</telerik:RadBusyIndicator.Content>
<telerik:RadBusyIndicator.BusyContent>
<Label Text="{Binding LabelText, Mode=TwoWay}"
TextColor="Red" FontSize="20"/>
</telerik:RadBusyIndicator.BusyContent>
</telerik:RadBusyIndicator>
set the text directly to the BusyContent:
<telerik:RadBusyIndicator x:Name="BusyTest"
IsBusy="{Binding IsBusy, Mode=TwoWay}"
AnimationContentColor="DodgerBlue"
AnimationContentHeightRequest="40"
AnimationContentWidthRequest="40"
VerticalOptions="Center"
HorizontalOptions="Center"
AnimationType="Animation6">
<telerik:RadBusyIndicator.Content>
<Label Text="{Binding LabelText, Mode=TwoWay}" TextColor="Blue" FontSize="16"/>
</telerik:RadBusyIndicator.Content>
<telerik:RadBusyIndicator.BusyContent>
<Label Text="Loading....."
TextColor="Red" FontSize="20"/>
</telerik:RadBusyIndicator.BusyContent>
</telerik:RadBusyIndicator>