How to retain ViewController references while doing in-app purchase

Question

I have a modally presented ViewController.  In it I download data from a server.  In
-(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data where my data arrives I have a UIProgressView bar which updates while downloading is going on.  This works fine when I do not go through the SKPayment process before starting the download.  The problem is that if before I start downloading I go through the SKPayment process to do an in-app purchase, and then come back to the ViewController to download the purchased data, the ProgressView or any messages I try to put out don't work.  Also dismissing the modal view does not work correctly.  I assume that this because during the SKPayment process Apple takes over so my app resigns (applicationWillResignActive) and when it comes back the references are lost.  All the SKPayment stuff works fine and downloading also works.  The only problem is dispaying progress and messages after going through the in-app rigamarole. 
Not sure how to put my question. Maybe: how can I retain the reference in the ViewController?  I am using XCode 4.2 and compile for ios 5.0.  I am using ARC.  Everything is run on the main thread.  I tried [self view] in the upDateFromInternet method and the view does load (reload) but still does not show ProgressBar...

Answer 1

No, that's what I said:
an internal table declared and filled during a start routine will be available only ONLY for the current executing datapackage; other datapackages cannot read an itab declared and filled during execution.
Is this what you require: a table which would be available for all datapackages. if you can update this table from any data package, how do you manage the case when your data loaded in parallel; any datapack could update this data simultaneously...
as of noew I can think of three options:
- use a database table (you could even use your PSA table but I don't recommend updating the PSA table during loading
- try the abap clause STATIC in your declaration; you'll have to ensure that each start routine will check if this table is already declared; if yes, avoid declaring it again, (otherwise: dump)
- store your table into MEMORY using ABAP stmt EXPORT
hope this helps...
Olivier.