GithubHelp home page GithubHelp logo

Comments (7)

kevinrenskers avatar kevinrenskers commented on June 25, 2024

All the properties are of course stored in NSUserDefaults so all normal observing patterns simply work. That said, having a dead easy, block based change notification system would be cool.

On 18 Dec 2013, at 22:26, Jonathan Sibley [email protected] wrote:

As far as I can tell, there is no support for observing property value changes via NSNotificationCenter or KVO. What are your thoughts on the prospect of this feature?


Reply to this email directly or view it on GitHub.

from gvuserdefaults.

sibljon avatar sibljon commented on June 25, 2024

AFAIK, observing NSUserDefaultsDidChangeNotification is the best way to observe NSUserDefaults, and it doesn't provide any information about specific updates. That's the main disadvantage.

I think a light-weight (and small code foot print) solution would be calling willChangeValueForKey: and didChangeValueForKey: when GVUserDefaults setters are used. However, these two calls need to be made in every single GVUserDefaults generic setter (i.e. doubleSetter, objectSetter, etc), right? Or can you think of a more centralized place to make the KVO calls?

from gvuserdefaults.

kevinrenskers avatar kevinrenskers commented on June 25, 2024

Back from my vacation, I'll look into this soon.

from gvuserdefaults.

kevinrenskers avatar kevinrenskers commented on June 25, 2024

As far as I can see, this already works fine without any code changes.

- (void)viewDidLoad {
    [super viewDidLoad];
    [[GVUserDefaults standardUserDefaults] addObserver:self forKeyPath:@"userName" options:NSKeyValueObservingOptionNew context:nil];
    [GVUserDefaults standardUserDefaults].userName = @"Test";
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    NSLog(@"keyPath: %@", keyPath);
}

from gvuserdefaults.

sibljon avatar sibljon commented on June 25, 2024

Interesting! I apologize for not having tested it... apparently my understanding of the implementation wasn't correct! Thanks for following up, and I hope you had a nice vacation.

from gvuserdefaults.

sibljon avatar sibljon commented on June 25, 2024

Just to follow up: KVO on GVUserDefaults is working perfectly in my testing. —
Sent from Mailbox for iPhone

On Tue, Jan 14, 2014 at 6:15 AM, Kevin Renskers [email protected]
wrote:

Closed #10.

Reply to this email directly or view it on GitHub:
#10

from gvuserdefaults.

kevinrenskers avatar kevinrenskers commented on June 25, 2024

Awesome :)

from gvuserdefaults.

Related Issues (20)

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.