Questions tagged as 'objective-c'

Tagged questions
4
answers

Format currency in a UITextField

I need to create a UITextField to add money values. But I need the user to see the value being added in the UITextField in the order the user types. Example: User types 1 - in UITextField 0.01 appears User types 5 - UITextField appears 0,15 User...
asked by 06.03.2014 / 01:42
2
answers

Format number in Objective-C

I have an app that does a calculation and returns a float , type 4/2 = 2.00 but would like this calculation to show only the 2 , and if the result was with decimal places with numbers other than 0 it would show the deci...
asked by 12.03.2014 / 11:22
3
answers

Transporting data between AppDelegate and ViewController

My problem is this. I need when the user starts my app, it comes back with the data that was on the screen before closing it. So my initial idea is when the app goes into Background it records a Plist with the information that was on the screen...
asked by 23.04.2014 / 03:02
2
answers

How to replace a keyboard with a UIPickerView?

I have a program, which a section of the form, in this case a UITextField , which needs to be filled. But instead of a keyboard popup, I need to get a UIPickView , which already has the options for the padding. Then when the user...
asked by 22.09.2014 / 16:31
1
answer

Develop for iPhone when you are an Android developer

Developing for Android, now I want to start developing for iPhone, my doubts are as follows. I use Linux, researching on the internet concludes that Apple only provides the tools for Mac. And to program in the Linux and Windows environment...
asked by 23.10.2014 / 13:26
1
answer

Blocks vs. Functions in Objective-C

What is the difference between blocks and functions in Objective-C?     
asked by 13.02.2014 / 03:59
1
answer

How to integrate Objective-C and Swift?

I'm doing a project in Swift and would like to use some files in Objective-C. Is it possible to do this? In case I installed using Cocoa Pods , I do not know if that influences anything.     
asked by 16.01.2015 / 19:09
1
answer

Do you need a MacOS computer to program Swift 4 and ObjC?

I'm doing a lot of research on iOS platform application programming, and all the online courses that I find on the computers are from the Apple line. To program Apple, do I need an Apple computer?     
asked by 01.08.2018 / 21:39
3
answers

Create Translucent UIView

I need to create a new translucent screen (UIView) in my iOS 7 iAD-style app, but my problem is that I have no idea how to look for it. What I've found so far are old things, with many DEPRECATED methods or creating XIB and using QUARTZ. O...
asked by 08.04.2014 / 01:08
2
answers

How to Create a Slide Side Out Submenu

How can I add a submenu to an existing menu, example I have the menu Ensino within teaching I want to put Cursos , Intercambio and iniciação cientifica , I'm using a class called SWRevealViewController tableV...
asked by 24.06.2015 / 05:08