Ah. That makes a lot of sense. Thanks for the insight.
On Tuesday, October 4, 2011 at 12:08, Jeff Stedfast [via MonoTouch] wrote:
> Hi Andrew,
>
> Okay, now that I've looked at the code I think I know why. I was confused
> before and thought the NSString variant was deprecated and the string variant
> was the recommended version (but it's the opposite).
>
> There are a few reasons for this change:
>
> 1. Some users of this API will compare pointers instead of strcmp()ing the
> contents of the string which means that things might not work (depending on
> the underlying implementation) with the 'string' API.
> 2. it encourages the use of string constants provided by the APIs
> 3. less overhead; no need to convert from string to NSString (which involves
> an alloc + UTF-16->UTF-8 conversion)
>
> Note that the 'string' version will continue to work in all the same places
> it used to work before - it's just that it will have (slightly) more overhead
> and isn't guaranteed to work if the underlying string comparers use pointer
> comparisons instead of content comparisons.
>
> Hope that helps,
>
> Jeff
>
> On Tue, Oct 4, 2011 at 1:39 PM, ayoung <[hidden email]
> (/user/SendEmail.jtp?type=node&node=3872002&i=0)> wrote:
> > Thanks Jeff and Dimitris.
> >
> > Jeff, yes, I am curious as to why the former is obsolete.
> >
> > On Tuesday, October 4, 2011 at 10:36, Jeff Stedfast [via MonoTouch] wrote:
> >
> >
> > > Hi ANdrew,
> > >
> > > The difference seems to be string vs NSString (I missed it the first time
> > > I looked at it too).
> > >
> > > I'm not sure why the old way was obsoleted, though. I could ask around if
> > > you want...
> > >
> > > Hope that helps,
> > >
> > > Jeff
> > >
> > > On Tue, Oct 4, 2011 at 1:33 PM, Andrew Young <[hidden email]
> > > (http://user/SendEmail.jtp?type=node&node=3871764&i=0)> wrote:
> > > > Why am I getting this warning?
> > > >
> > > > "Warning CS0618:
> > > > `MonoTouch.Foundation.NSNotificationCenter.AddObserver(string,
> > > > System.Action<MonoTouch.Foundation.NSNotification>)' is obsolete: `Use
> > > > AddObserver(NSSstring, Action<NSNotification>) instead'"
> > > >
> > > > I don't see the difference between the two calls. The only difference
> > > > is that the former is fully namespaced. The latter is not. Please tell
> > > > me I'm wrong.
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