private async void Submit_Button_OnClicked(object sender, EventArgs e)
{
var signedImageStream = await FooSignaturePad.GetImageStreamAsync(SignatureImageFormat.Jpeg);
//TODO: Your logic here
await DisplayAlert("Acme Company", "Your signed agreement has been sent", "OK");
}
private void Clear_Button_OnClicked(object sender, EventArgs e)
{
FooSignaturePad.Clear();
}