Questions about issues that are specifically related to Apple's iOS operating systems (whether directly or indirectly).

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4
votes
4answers
5k views

Recommended solutions for integrating iOS with .NET, at the service tier

I'm developing an application, in iOS, that is required to connect to my Windows Server to poll for new data, update, etc. As a seasoned C# developer, my first instinct is to start a new project in ...
2
votes
1answer
286 views

Why is iOS “jailbreaking” CPU specific?

Recently, iOS 6 was "jailbroken" but only on the Apple A4 CPU. Why is the "jailbreaking" process specific to a CPU? From Wikipedia: ... "iOS jailbreaking is the process of removing the ...
11
votes
1answer
5k views

Organizing code for iOS app development

I've been developing an app for the iOS platform, and as I've been going along, I've noticed that I've done a terrible job of keeping my files (.h, .m, .mm) organized. Is there any industry standards ...
-1
votes
1answer
1k views

Resources for creating a turn-by-turn navigation system

I'm trying to create a kind of turn-by-turn satellite navigation system using the iOS SDK. I get the directions from the server and draw them on the map, then I keep getting location updates from the ...
4
votes
1answer
1k views

What is a good design pattern / lib for iOS 5 to synchronize with a web service?

We are developing an iOS application that needs to synchronize with a remote server using web services. The existing web services have an "operations" style rather than REST (implemented in WCF but ...
0
votes
1answer
189 views

What are some general guidelines for setting up an iOS project I will want to personally publish but sell in the future? [closed]

I have an idea for a personal iOS project that I would like to write and release to the iOS store. I'm the type of developer who enjoys developing and publishing. I want to write quality software ...
1
vote
1answer
389 views

Best strategy for supporting multiple server communication from iPhone/android app?

I'm making an app that will be used in multiple hospitals in the US. As per HIPAA compliance requirement, every hospital will have its own server that complies with these requirements of ensuring ...
2
votes
1answer
103 views

How can we distribute a client app to other non-US businesses?

I'm working on an app which acts as a client for our web service. We sell this service to businesses, and we want to distribute the app to their employees for free. The app will be customised for ...
0
votes
2answers
115 views

Guided Questioning iOS App

I'm making an iPad app that will display a few choices and based on your choice will display a series of questions with each question triggering a different set of questions. I was wondering if there ...
2
votes
3answers
326 views

iPad app architecture with very large files

I am working on an iPad app. It needs to contain some very large files. I could put them into the app, but they would push it well over 20MB, which means that it would not be downloadable over the ...
6
votes
3answers
6k views

Is it better to target iOS 5 and ARC or an earlier version with MRC?

I personally don't know much about iOS 5, but it seems like with automatic reference counting (ARC), you get rid of much of the memory management issues of the previous operating systems. So is it ...
2
votes
1answer
233 views

Will apple approve app which internally uses library developed by Google?

I am using GDataXML library developed by Google as part of their Objective-C client library. As its Google’s XML processing library and I heard that Apple don't allow to use any third party libraries ...
0
votes
1answer
268 views

What are some feasible ideas for building a smart-device/console development portfolio? [closed]

I would like to start getting more contracts in the mobile, smart-device, and console development space and, having little prior work experience in the field, I need to build a portfolio of example ...
0
votes
1answer
328 views

NSNotificationCenter vs. Protocol

I am using MPMoviePlayerController in a project. The loadState of the MPMoviePlayerController object is observed using NSNotificationCenter. Why did Apple choose NSNotificationCenter in this ...
3
votes
3answers
478 views

Saving Passwords To The Local Device

So In my app (iOS), you have to register in order to use the service (a food service). But in order to change details about your account (username, password, and email), you have to reenter your ...
23
votes
4answers
5k views

The perfect crossfade

I find it hard to describe this problem in words, which is why I made a video (45 seconds) to illustrate it. Here's a preview of the questions, please have a look at it on Vimeo: ...
1
vote
2answers
2k views

How to utilize Xcode project & target to manage products?

At first, hopefully following terms project and product won't be confused. Traditionally, we used to have a code base, which usually was a main project. For our products, we created one project for ...
4
votes
3answers
407 views

iOS: Versioned static frameworks vs Git Submodules and included code

For the last couple of years I've been building static frameworks of common APIs for my iOS projects. I can build a universal binary containing all the architectures (i386, armv6, armv7) and wrap it ...
0
votes
1answer
1k views

Best way to update UI when dealing with data synchronization

I'm working on a bug at work. The app is written in Objective-C for iOS based device, for the iPad. I'm the new guy there and I've been given a hard task. Sometimes, the UIButton text property does ...
1
vote
1answer
424 views

Allow app analytics opt-out?

Given that mobile app analytics reporting can cost a customer data traffic that, unlike a web app, use of the mobile app may otherwise not require, should a mobile app provide a user accessible ...
5
votes
2answers
1k views

WWDC 2012 announced features on iOS 5?

I am relatively new to iOS development, so after watching a bunch of WWDC videos announcing new awesome features for the iPhone SDK, I still got a few questions regarding their support for older ...
0
votes
3answers
2k views

How can test users access an unpublished iOS app?

I am considering outsourcing the development of an iOS app to various independent developers. I will have have various testers of the app. We all work for separate companies. Some of these testers ...
0
votes
3answers
403 views

SQLite resources or any other storage concept for mobile applications?

I would like to know what storage concepts are used for mobile or handheld devices, where an app is operated on?. AFAIK one of them is SQlite. Can anyone shed a light on this concept? perhaps links ...
4
votes
5answers
2k views

Why did visual programming never take off and what future paradigms might change that? [closed]

As the number of "visual" OS's such as Android, iOS and the promised Windows 8 are becoming more popular, it does not seem to me that we programmers have new ways to code using these new technologies, ...
1
vote
2answers
373 views

Can I develop OpenGL ES iPhone simple physics app with Xcode 3 in C++ without a GUI?

Can I develop OpenGL ES iPhone simple physics app with Xcode 3 in C++ without a GUI and Objective-C? So I don't need Cocoa and I don't need Objective-C?
0
votes
1answer
264 views

Is an app that does nothing but link to a web site functional enough to meet Apple's iOS guidelines? [closed]

I don't hang out on Programmers enough to know whether this question is "ok", so my apologies if not. I tried to make the title obvious so at least it can be closed quickly :-) The question is ...
4
votes
2answers
8k views

IOS Variable vs Property

Just started diving into Objective-C and IOS development and was wondering when and the correct location I should be declaring variables/properties. The main piece of code i need explaining is below: ...
2
votes
1answer
802 views

Is it possible to develop an IOS application without a Mac?

I'm a postgraduated student and I had the idea to build an app for elementary school kids. My question after many days of searching is whether anyone here have ever tried and what was their ...
2
votes
2answers
354 views

How do we set a link to a Paid version of app if we don't have the app in App Store ?

If we don't have the free and the paid apps on the Apple app store yet, how would we program in the free version to link to the paid version because the link is not there yet? Do we have to have a ...
1
vote
2answers
2k views

Is it possible to develop apps with Kendo UI to submit to iOS App Store? [closed]

The number of platforms I have to develops apps for is increasing and It brings me lots of stress to learn new technologies for each target platform. I found out that Telerik's Kendo UI is very good ...
5
votes
1answer
1k views

iOS and Server: OAuth strategy

I'm trying to working how to handle authentication when I have iOS clients accessing a Node.js server and want to use services such as Google, Facebook etc to provide basic authentication for my ...
6
votes
4answers
1k views

Why does iPhone and iPad apps have a Free version and a full version, instead of “unlocking” it through in-app purchase?

Many apps have a Free version and a Full version. How is it compared to, installing a single version, and use an in-app purchase of $0.99 or $1.99 to unlock to the program to make it a full version? ...
2
votes
2answers
1k views

Is it safe to trust emulators when developing multi platform/resolution mobile apps?

I'm currently developing some mobile applications using PhoneGap for Android, testing only in 3 different kinds of smartphones, and using emulators to test on the others target phone resolutions. ...
2
votes
2answers
1k views

The model to sell apps on App Store is better with a paid only version?

Rob Napier, the author of iOS 5 Programming Pushing the Limits, mentioned there are several models of selling apps on the App Store: Write an app and sell it Publish a free and a full version Ad ...
4
votes
7answers
1k views

Design patterns: moving object references around an application

I'm new to Programmers and I am looking to increase my knowledge of programming. Recently, a user on Stack Overflow told me using singletons is a bad idea, that they encourage tight coupling and that ...
1
vote
2answers
1k views

What are the things that you consider in reviewing an iOS source code? [closed]

We're going to do some peer reviews for our iOS projects. We're kind of inexperienced at reviewing each other's codes. The iOS developers attending the reviews will be from other projects, since ...
1
vote
1answer
1k views

What is the purpose of whitelisting in Phonegap? Is there a way around it?

I am using the new phonegap 1.5.0 (which is confusingly renamed cordova despite no mention of the rename on the phonegap site), and I'm finding that the white-listing feature on iOS is quite ...
0
votes
1answer
4k views

How much should app iphone or ipad development cost? [closed]

I'm an iOS developer (freelancer) and i want to know how much cost to build an app? and how should i do to estimate the price? like this app http://www.finalcad.fr/en/index.html
0
votes
1answer
311 views

iOS object instance accessible from three separate classes, or load 3 nib files with one class?

I've got three nib files in my project, each of which is driven by its own class (.h and .m files). Each nib has a stylized design with a full screen background image and a few overlay images acting ...
1
vote
1answer
308 views

Why use Pascal with Cocoa/Cocoa Touch?

I'm surprised to find that it might be possible to use Pascal with the Cocoa and Cocoa Touch frameworks. This is an interesting turn of events, as Pascal was the favored language for Mac development ...
8
votes
4answers
1k views

Where does Objective-C come from? C++ or C?

I am very confused about this programming language, Objective-C, which I heard is used to develop iOS applications. I know that it uses the principles of OOP. Would it be easier to learn if I already ...
1
vote
2answers
312 views

How can I manage changes between a local config file and a remote config file in a mobile application?

I have an application with a configuration file that is stored in the application bundle. This config file stores the names of images on a remote server. Whenever the application is started, I ...
4
votes
3answers
11k views

Connecting mobile apps to a web service; What is it called and where do I start?

I have some basic knowledge of iOS development and I want to now start connecting my apps to databases hosted on the internet, so that users will have access to remote / public data that pertains to ...
4
votes
4answers
1k views

Best practices for upgrading user data when updating versions of software

In my code I check the current version of the software on launch and compare it to the version stored in the user's data file(s). If the version is newer, then I call different methods to update the ...
12
votes
3answers
4k views

Safe iPhone app ↔ server communication

What would be the best approach to achieving private communication between my iOS app and its server component? Is having a single unchanging “secret key” baked into the app source enough, or do I ...
0
votes
1answer
264 views

iphone app- is it possible to invoke a local app after user visits a website or a web app

I have a scenario where a local app is used to take snaps using the iphone camera and the local app can send the photo to a web server... Now when the user visits a website or another web app using ...
3
votes
1answer
284 views

question related to iPhone programming certification [closed]

Dear All, I am working for iOS application developement. Now am considering to go for certification in iOS application development. I am thinking about expertrating.com. Please guide me ...
4
votes
3answers
1k views

planning the same app for both OSX and iOS

I would like to ask which is the best strategy for creating an application that will be developed both on Mac and iPad, so to make minumum effort to port it from one platform to the other, starting ...
5
votes
2answers
3k views

How to set up a multi-developer iOS environment?

Let me explain my need: I'm having a networked environment with 3 computers connected to a server which will be running full-time. The server also runs a FTP server. I would like to create an ...
0
votes
1answer
377 views

Using an AGPL 3.0-licensed library for extra functionality in an iOS app

I am building an iOS application, and I am planning to incorporate an AGPL 3.0-licensed library to it to provide some extra (non-essential) functionality. I’ve got a couple of questions regarding ...