public override void OnAppearing(object navigationContext)
{
base.OnAppearing(navigationContext);
if (navigationContext is XamagramItem)
{
Item = (XamagramItem)navigationContext;
}
}
public async Task AddOrUpdateXamagramItemAsync(XamagramItem xamagramItem)
{
if (string.IsNullOrEmpty(xamagramItem.Id))
{
await _xamagramItemTable.InsertAsync(xamagramItem);
}
else
{
await _xamagramItemTable.UpdateAsync(xamagramItem);
}
}
private async void SaveAsync()
{
var newXamagramItem = new XamagramItem
{
Name = Name,
Image = ImageUrl,
Description = Description
};
await XamagramMobileService.Instance.AddOrUpdateXamagramItemAsync(newXamagramItem);
NavigationService.Instance.NavigateBack();
}
public async Task DeleteXamagramItemAsync(XamagramItem xamagramItem)
{
await _xamagramItemTable.DeleteAsync(xamagramItem);
}
