MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:local="clr-namespace:YourNameSpace"
             x:Class="YourNameSpace.MainPage"
             Title="MyBlobStoragePage">

    <StackLayout HorizontalOptions="Center" VerticalOptions="Center">

        <Label x:Name= "mytitle"  HorizontalOptions="Center" VerticalOptions="Center"/>
        <Image x:Name="myimage" HorizontalOptions="Center" VerticalOptions="Center"/>
        <ActivityIndicator x:Name="myindicator"/>



    </StackLayout>

</ContentPage>