how to set image ios,android, windows? I am new to xamarin.forms ?

I am using this below code, and placed the hp.jpg in droid/resouces/drawable; ImagemyView/ and ind ios/resources , Can anyone send me a small working simple file where image is set in a layout.

<?xml version="1.0" encoding="UTF-8"?>

<ContentPage.Content >

</ContentPage.Content>