ibaction

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Toggling MapKit Overlays On/Off by pressing the same button?

I have a MapView with a toolbar button that when pushed adds overlays to the MapView.What I would like is for the button (IBAction) to check to see if there already are overlays on the map and if ther[详细]

2023-03-22 12:49 分类：问答
How to use an IBAction button outside it's scope

I have three IBActions, each linked with it\'s own button like so: #import \"Controller.h\" #import \"Application.h\"[详细]

2023-03-20 16:44 分类：问答
Disable an IBAction-linked button

I made a button using Interface Builder and linked it to an action. I\'d like to disable the hit button on the if statement below.[详细]

2023-03-20 16:03 分类：问答
Disable buttons after clicking a button

I am 开发者_如何转开发working on a quiz app and I need to find a way to disable specific buttons in my UIView controller when I press on the correct answer i.e a button. Is there a way to accomplish t[详细]

2023-03-19 05:51 分类：问答
IBActions not working

I have two buttons that are not performing the IBAction that they are programmed to do.I have them correctly connected in Interface Builder, but when I click them in the simulator or on a phone, they[详细]

2023-03-18 16:51 分类：问答
Issues in setting UIButton title in its click event

I\'m trying to change the title of a button when the user press on it with the following code: - (IBAction) hideKB: (UIButton *) sender {[详细]

2023-03-16 19:40 分类：问答
Is there any benefit of having (id)sender in IBAction

When coding with cocoa I\'ve noticed that it\'s not necessary to have sender parameter when defining IBAction, hence following action:[详细]

2023-03-15 22:23 分类：问答
linking UIProgressView with IBAction

Perhaps I\'m missing something here, but I want the user to be able to select a UIProgressView and thus have an IBAction function call (ess开发者_如何转开发entially make it behave like a UIButton).[详细]

2023-03-13 16:26 分类：问答
UIButton and action for "next' and previous image

So, pretty new to iPhone dev and learning all the time. I know what I want but dont quite know where to start. I have really only dealt with tableView apps before this project so my practical knowl开发[详细]

2023-03-09 02:54 分类：问答
How can I call objective-c code from within an html file in a UIWebView?

So I know this type of thing is easily achieved in Java using JSP files, but I am wondering how I can mix code and html inside an iOS view. The reason I need to do that is that I have (local) html con[详细]

2023-03-05 03:42 分类：问答