Re: The best way to determine if my app is already running
Re: The best way to determine if my app is already running
- Subject: Re: The best way to determine if my app is already running
- From: m <email@hidden>
- Date: Fri, 4 Jun 2004 17:15:30 -0700
On Jun 4, 2004, at 3:36 PM, John Stiles wrote:
I have an app where its personality is largely data-driven--it can be
totally different to the end user based on data within the bundle. But
the code is all the same. Several copies of this app can be running
simultaneously.
I want to be able to detect if a certain personality of the app is
active, and then switch to it if it is. I can't base it on something
like bundle identifier or application signature, since like I was
saying, the code is always identical.
So what's the easiest way to register some global system property that
would allow me to connect an identifier (i.e., a product name
specified in my data) with a running app? So I could say "Is there a
personality Foo active?" and it could say, "Yes, and here is its
ProcessSerialNumber." I am open to either Carbon or Cocoa concepts (my
app is mostly Cocoa based, but I come from a long Carbon background).
Sounds like Distributed Objects will do nicely for this.
Read up: <
http://www.stepwise.com/Articles/Technical/TalkToMe.html>
Then make your apps register an object with a name that is dependent on
the apps personality.
_murat
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