public async void ChangeThemeButtonClicked(object sender, EventArgs e)
		{
			var picker = new ThemePickerPage { Theme = addTileViewModel.TileTheme };
			picker.Picked += delegate { addTileViewModel.TileTheme = picker.Theme; };

			await Navigation.PushAsync(picker);
		}
        public async void ChangeThemeButtonClicked(object sender, EventArgs e)
        {
            var picker = new ThemePickerPage {
                Theme = personalizationViewModel.BandTheme
            };

            picker.Picked += delegate { personalizationViewModel.BandTheme = picker.Theme; };

            await Navigation.PushAsync(picker);
        }