Re: How to deactivate an app
Re: How to deactivate an app
- Subject: Re: How to deactivate an app
- From: Ken Thomases <email@hidden>
- Date: Wed, 01 Feb 2012 01:29:10 -0600
On Feb 1, 2012, at 1:20 AM, Gerriet M. Denkmann wrote:
> I tried:
>
> - (void)applicationWillBecomeActive:(NSNotification *)aNotification
> {
> (void)aNotification;
>
> NSRunningApplication *currentApplication = [ NSRunningApplication currentApplication ];
> NSString *bundleIdentifier = currentApplication.bundleIdentifier;
> NSLog(@"%s current: %@",__FUNCTION__, bundleIdentifier);
>
> NSWorkspace *sharedWorkspace = [ NSWorkspace sharedWorkspace ];
> NSArray *runningApplications = [ sharedWorkspace runningApplications ];
> for( NSRunningApplication *ru in runningApplications )
> {
> if ( ru.isActive )
> {
> NSString *bundleIdentifier = ru.bundleIdentifier;
> NSLog(@"%s active: %@",__FUNCTION__, bundleIdentifier);
> };
> };
> }
>
> But both the currentApplication and the active one is our app (NOT the previously active one).
>
> Although the name of the notification is applicationWillBecomeActive it acts more like
> applicationIsAlreadySomehowActiveAndWIllBecomeFullyActiveRealSoonNow.
Well, remember that this is Cocoa responding to an event delivered from the system. Events are delivered asynchronously. The system can't afford to wait for an app to respond to an event before moving on.
There is bound to be an interval of time between when the system changed which app is active and when Cocoa actually acts on the event it received because of that change.
Regards,
Ken
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