private async Task ExecuteUpdatePhotoCommand()
{
string[] updateOptions = { UIConstants.TakePhoto, UIConstants.ChooseFromGallery };
string chosenOption = await RootPage.DisplayActionSheet(UIConstants.UpdatePhoto, "Cancel", null, updateOptions);
if (!string.IsNullOrEmpty(chosenOption))
{
if (chosenOption.Equals(UIConstants.TakePhoto))
{
await TakePhoto();
}
else if (chosenOption.Equals(UIConstants.ChooseFromGallery))
{
await ChoosePhoto();
}
}
}