Re: Popover arrow point never properly aligned

[Logan Cautrell]

I would check the sourceRect property on UIPopoverPresentationController.

If you want precise control over the positioning, then you may need a custom 
view in a UIBarButton. You can calculate the position and update the sourceRect 
accordingly.
   -logan


> On May 26, 2016, at 7:08 PM, Rick Mann  wrote:
> 
> I'm presenting a popover from a UINavigationBar UIBarButtonItem. The point of 
> origin of the popover never seems to come out of the center of the 
> UIBarButtonItem. The code I'm using is:
> 
> @IBAction
> func
> shareModel(inSender: AnyObject)
> {
>if let model = self.model
>{
>let source = ModelShareActivitySource(model)
>let avc = UIActivityViewController(activityItems: [source], 
> applicationActivities: nil)
>avc.popoverPresentationController?.barButtonItem = self.shareButton
>presentViewController(avc, animated: true, completion: nil)
>}
> }
> @IBOutlet weak var shareButton: UIBarButtonItem!
> 
> Is anyone else seeing this?
> 
> -- 
> Rick Mann
> rm...@latencyzero.com
> 
> 
> 
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StoreKit sandbox question

[Logan Cautrell]

We've previously integrated with iAds. While testing ADBannerView, I noticed in 
the sandbox that the bannerView:didFailToReceiveAdWithError: delegate method 
would intermittently be called. It would fail on one to two minute intervals 
and then start indicating content was available. I assumed that this was as 
designed for the sandbox to allow failure condition testing. In fact it was 
quite handy because I could use my proxy to blacklist the URL and force it to 
stop working.

I was unable to find this in the docs to verify it would do this.

Now that we are setting up in app purchases, I'm wondering if there is 
something similar. When I install a cleaned debug build on a device the 
SKProductsRequest works as expected. However after running for a while during 
testing the delegate method productsRequest:didReceiveResponse: starts getting 
invalidProductIdentifiers. The products are valid prior to this, with no 
changes in iTunes Connect. Cleaning the build device and rebooting the test 
device make this behavior go away. 

Am I running into something that is expect sandbox behavior? Is it documented? 
Should I file a bug report? 
   -logan___

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Re: Book Cocoa programming for Mac OS X Third Edition

[Logan Cautrell]

Cocoa Design Patterns is awesome after you get through those. 

Sent from my iPhone

On Mar 11, 2011, at 10:56 AM, Todd Heberlein todd_heberl...@mac.com wrote:

 I concur: Cocoa Programming for Mac OS X (3rd edition) and Programming in 
 Objective-C 2.0 (2nd edition) are the two books I go to the most and 
 recommend for people getting started.
 
 Once you've have some experience, then the Apple online documentation is 
 pretty good. In particular, when you look at an Objective-C class 
 description, in the column on the left there is often a document (or several) 
 that describes the broader concepts, how this class relates to others, and 
 provides snippets of code showing how to use the class. I often skim these 
 first and then come back to the class description. Just make sure you are 
 looking at the documentation for the right platform (iOS vs Mac).
 
 I also have numerous other books, including Cocoa Recipes for Mac OS X (2nd 
 edition). You can never have too many programming books.
 
 One word of warning: the screen shots and detailed description for using 
 Xcode and IB will almost always be at least slightly wrong because Apple is 
 continuously updating their tools.
 
 Todd
 
 
 
 On Mar 11, 2011, at 7:03 AM, Eric Gorr wrote:
 
 On Mar 11, 2011, at 9:52 AM, David Remacle wrote:
 
 I have see on amazon the book Cocoa programming for Mac OS X third
 Edition of Aaron Hillegass. Is this a good book for beginner ?
 
 Yes! It's the best book for a beginner learning Cocoa.
 
 Which books for objective-C 2.0/Cocoa do you recommend for beginner ?
 
 I might also recommend:
 
 Programming in Objective-C 2.0 (2nd Edition) [Paperback]
 Stephen G. Kochan (Author)
 • ISBN-10: 0321566157
 • ISBN-13: 978-0321566157
 
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NSManagedObjectModel

[Logan Cautrell]

Im programmatically generating an NSManagedObjectModel (based on a web 
service). I am aware of the potential risks in doing this and have known issues 
and contingencies planned for.

My question is how do I persist changes to the model? The MOC that I create 
from the model persists properly, but I am not clear on how I can persist 
changes to the model. There does not appear to be a built-in way of doing so. 

I am prepared to save the appropriate information and regenerate the MOM at 
runtime, but I was curious if there is a way for me to persist changes using 
the framework.
   -logan___

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Re: NSManagedObjectModel

[Logan Cautrell]

For the record, I found using NSKeyedArchiver and it's companion to work quite 
well in saving my generated MOM. I simply serialize the MOM into my app's 
documents directory after I have generated it. I then deserialize it as needed 
during subsequent application sessions.
   -logan

On Oct 28, 2009, at 4:56 PM, Logan Cautrell wrote:

 Im programmatically generating an NSManagedObjectModel (based on a web 
 service). I am aware of the potential risks in doing this and have known 
 issues and contingencies planned for.
 
 My question is how do I persist changes to the model? The MOC that I create 
 from the model persists properly, but I am not clear on how I can persist 
 changes to the model. There does not appear to be a built-in way of doing so. 
 
 I am prepared to save the appropriate information and regenerate the MOM at 
 runtime, but I was curious if there is a way for me to persist changes using 
 the framework.
   -logan

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