private async void SetImmagine()
        {
            ImageSource img = await new ImageHelper().LoadImage(giocatore.username);

            if (!img.Equals(null))
            {
                profile_image.Source = img;
            }
        }
        private async void SetImmagine(string nome)
        {
            ImageSource img = await new ImageHelper().LoadImage(nome);

            if (!img.Equals(null))
            {
                profile_image.Source = img;
            }
        }
 private async void SetImmagine()
 {
     foreach (Match m in Match.daFare)
     {
         ImageSource img = await new ImageHelper().LoadImage(m.teams[0].ToString()); //m.teams[0].ToString()
         if (!img.Equals(null))
         {
             m.profile_image = img;
         }
     }
 }