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

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10
votes
1answer
26k views

Current iOS version/device statistics?

The answer to this SO question has become stale: iOS version/device statistics - where can i find? because time currency wasn't part of that question, and iOS version updates have been release since ...
6
votes
5answers
17k views

iOS Development Certifications [closed]

Are there any iOS Development Certifications online? offline?
22
votes
11answers
2k views

Why it is necessary to to test my iPhone app on actual iPhone device

I developed one application for iPhone and now I want it on App Store. So many my iOS geek friends told me to test it on actual device i.e. on iPhone. So I wonder that why it is necessary to to test ...
3
votes
1answer
1k views

If I have two developer license accounts with Apple, can I easily switch between the two for app development and publishing?

I've been interested in iPhone development since the release of the iPhone, however, I am on a limited personal budget. I've never been willing/able to fork out the money necessary for an iPhone and ...
2
votes
2answers
895 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
6answers
2k views

Should I still consider using Appcelerator Titanium for building mobile apps if I don't have any web dev skills?

I'm an experienced desktop developer who's recently begun writing iOS apps and would like to venture into Android development as well. I've been hearing a lot of talk surrounding the Appcelerator ...
19
votes
10answers
2k views

What is the benefit of 64 bit A7 in iPhone

I'm trying to figure out why going to 64 bit processors is such a big deal in an iPhone. I understand that there will be twice as many registers so the processor can work with twice as much data which ...
0
votes
4answers
815 views

Beginning with smartphone app development [closed]

I have a job from a client that needs a iPhone/iPad app. I'm new to the smartphone development so where do I begin with? Do you have some nice in depth beginning tutorials of some kind? JS libraries I ...
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 ...
1
vote
1answer
456 views

How to check any undocumented methods provided by apple?

The following tools is provided by Apple dlopen dlsym objc_getClass sel_registerName objc_msgSend Those are listing Objective-C selectors, or strings. Objective-C selectors are stored in a special ...
4
votes
5answers
933 views

Does learning to develop for iOS create a lock-in? [closed]

If I begin my career (first job) with developing on the iOS platform, does that lock me in into iOS and Mac OS X development only? By locking me in I mean will that create barriers for me to switch ...
9
votes
3answers
483 views

Is it unethical to track app usage through REST API calls?

I am building an app that communicates with my website with ASIHTTPRequest to a PHP-based REST API on the server side. Naturally, in my app I have different endpoints on the server side, and usually ...
8
votes
4answers
3k views

iPhone app store — adding ads to free app

I have a free app in the store. I am considering an update. It would add some additional options, but also ads. I am curious if anyone else has done this, and if so what was the reaction. Did it ...
4
votes
1answer
228 views

Could Apple and Microsoft allow the GPLv3 on their locked-down devices?

It seems that both Apple and Microsoft prohibit GPLv3-licensed software in the app stores for their locked-down devices (i.e. iOS, Windows Phone and the Metro part of Windows). I have heard various ...
3
votes
2answers
7k views

iOS version/device statistics - where can I find? [duplicate]

Since I am developing iOS apps I'm trying to find stats on how many iOS devices there are out there. Preferably broken down into versions: Iphone 3G, Iphone 3Gs, Iphone 4 etc. Also I'd like to know ...
2
votes
6answers
2k views

Is Big Nerd Ranch or AboutObjects iOS training worth it? [closed]

I have a CS undergrad degree and have been programming for several years with my current company, messed around with Objective-C by making a few console apps and a few simple apps that I ran in the ...
1
vote
2answers
272 views

Good Programming Practice for similar child classes

I am developing an iOS application, in which I have to draw some patterns on a view based on option selected by user. Let me explain you more clearly. User will be shown number of images as options ...
1
vote
2answers
173 views

In iOS, y-axis starts from the top and grows downward. It is the opposite to OSX. What is the rationale and technical advantage behind this change?

In iOS, the coordinate (0, 0) means the top left corner. In OSX it is the bottom left corner. What is the Apple's rationale or technical advantage of this coordinate system?
0
votes
1answer
303 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 ...