ibaction

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Buttons not working in IOS5

i built an app on ios 4.3 and it worked fine but when i run it on the new ios the back buttons dont work. Heres my code to go to the next xib:[详细]

2023-04-13 03:35 分类：问答
Using IBActions with UIButtons without IBOutlet

Sorry for the unclear title. I want to be able to add IBAction methods to a button I added in the following way:[详细]

2023-04-10 16:05 分类：问答
Objective-C : Auto Update Label text

I am new to Objective-C and i need your help! In the code that you will see below, my labels pick data from a picker view. I would like instead of using a \"calculate\" IBAction, to have my \"chargeLa[详细]

2023-04-10 11:37 分类：问答
IBAction button change color?

I 开发者_高级运维have created a button in interface builder and set its type as custom. I want to change the background color of the button based on the button\'s tag when the view loads. How can i do[详细]

2023-04-04 23:45 分类：问答
Disable a button based on a label's value

I have a UILabel cal开发者_如何转开发led label, and you can add or subtract 1 from it using two buttons. When you subtract all the way down to 0, I want the minus button to stop working. And if the va[详细]

2023-04-04 08:16 分类：问答
Touch event of a picture without using UIButton

Is it possible to register a touch of a picture wit开发者_运维百科hout using UIButton? And if it is, how can i do this?[详细]

2023-04-03 22:08 分类：问答
UILabel's text will not change

Hey guys i am creating a UILabel and a UIButton programatically inside another button, so when this button is pressed, it creates a UILabel and a UIButton and adds is as a subview on a seperate page.[详细]

2023-04-03 12:21 分类：问答
Xcode 4 and debugging

I\'ve setup a break point (Left click in gutter) in some methods. I\'ve also wired the control to the method (in IB). However when I press开发者_StackOverflow中文版 CMD + R, it ignores my breakpoints.[详细]

2023-04-03 02:40 分类：问答
No action sent when NSSearchField is emptied?

I\'ve set up an NSSearchField i开发者_如何学Gon a toolbar and connected an action in Interface Builder. This action gets called every time I enter some text, but not when I click the small cross to em[详细]

2023-04-02 06:08 分类：问答
Problems with MPMediaPickerController.

With the code below. The musicPlayer does not play on my device at all. I am running iOS 5 and I get some weird cryptic warnings in the console like wait_fences no reply and Invalid Track[详细]

2023-04-02 00:44 分类：问答