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I find it hard to locate some kind of information source which will give me a breakdown of the most used iOS versions as of today. I am working on my app and trying to decide on my "Deployment Target". I want to choose iOS 5.0 but not sure how many iOS 4.x users are out there. Does anyone know of a good place to get this information?
You can have a look here for iOS usage statistics.
As for me, it's ok just concerning about iOS 5, 6 and 7.
Forget about using third party sources for this kind of information.
You only care about marketshare for your specific app which will almost always we wildly different to the global average across all apps.
The only real option is to have some kind of tracking in your app, where it sends the OS version to the server once per week for similar for each user.
For a new app, you should support as many version back as you can with a reasonable amount of development effort. Then use actual statistics gathered from your app to decide when to drop old OS versions.
Accoring to this and this, iOS7 has over 50% usage.
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I am preparing presentation, and would like to put approximate figure of total number of classes available in iOS SDK. kindly easy go, if the question is not a question.
If no link available, kindly let know how to figure it out ?
To have a brief overview of iOS and MAC OS X classes, use RuntimeBrowser
And to check the APIs added with every release, API differences
On iOS 7.0.4 runtime reports 3138 classes on iPhone 4(6 of them do not conform to NSObject protocol) but you'd have to filter private classes somehow(and filtering classes which start with _ will remove only part of them). I'd say that around 500 of them are public, but that's a blind shot. And with each (at least major) iOS release classes count will increase.
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It begins my third month with XCode, iOS, objective-c and mac as well, I can tell that so far I'm disappointed to be as kind as I can be with my opinion. Maybe because I was spoiled by things that I had in hand when developing for other platforms like Android?
In any programming tasks where visuals are presented layout functionality is a MUST from the beginning, and like I could get functionality for layout in FLEX, JAVA or JAVA for Android (also have seen it working for Metro, XNA for Windows phones) but in iOS everything seems to be up-hill.
After this long introduction my question is quite simple, did someone tried to overcome this issue, namely are there any layout container components that can be brought to the Xcode project and use it e.g. linear layout?
People have written some Layout managers - you will find some here - https://www.cocoacontrols.com/search?q=layout but I agree with the commenters above, properly setting up layout constraints, although a little more time consuming at first, gives quite predictable and stable layout and you get quicker once you get familiar with them.
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Hi i'm starting to test data persistance for iOS and i want to use some databases, i tried few project with the command line but i would love to start using a software that will speed up the process.
I read already a post on here where an user listed few software from a website.
Here i copy the link he shared,
http://www.sqlite.org/cvstrac/wiki?p=ManagementTools
i would love to know if any of you tested those software, and which one you raccomand.
On many books i read they use a firefox plugin, but i find firefox already too slow to add such a powerful plugin.
Please if you find this question stupid, don't flag or downvote. I looked for a similar topic and i didn't find the answer i wanted. Thank you
I've always used SQLite Database Browser. It's free, easy to use and gets the job done.
http://sqlitebrowser.sourceforge.net/
I have used Base: available on the MAC App Store:
https://itunes.apple.com/us/app/base/id402383384?mt=12
I've used Arango Db. It's free http://www.arangodb.org
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The issue I'm having is I can't find an actively developed open-source AR library for iOS.
I don't need 3D support or maker based recognition. Just the ability to place icons/labels like Yelp's famous monocle feature.
My goal is to integrate AR into my app so that users can view POI's near their location. My app already has a map view doing this and I thought it would be cool to use an AR view too.
I've looked at:
Mixare (iOS version not very smooth, is buggy, and code is chaotic. Also does not seem to be supported anymore, there's not been an update for 5 months).
ARKit (not been updated in 4 years and has a warning about it being a bit rough).
Anyone had an experience or know of a good all round library that I can drop into my application?
Alternatively if anyone can recommend any books or tutorials on how to write your own that would be appreciated.
For a simple integration you can use the Junaio plugin or the Wikitude SDK. They are not open-source solution but sufficient if you are not interested to modify the layout, representation or internal computation for transforming POIs into an AR view.
There is an example for GPS-based AR from the Professional iOS programming Book available from github, as well as PanicAR (just search on github.com).
Finally Apples provides a basic implementation in the iOS developer library: look for pARK.
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Cedrick Collomb's Unlocker is one of the most useful utilities I've ever come across - when I come across an issue in compiling that some file is locked I can just right click on the file, click "Unlocker", and it will tell me what has the file (similar to Who Lock Me?) and I can remove the handles, kill the process, whatever. It's really nice.
However it doesn't work in Vista64. I'm not sure if it works in Vista32 but I'm currently running Vista64 at home and soon will be using it at work, too.
Does anyone know of a comparable utility that works in Vista64?
I know that Windows 7 will have this functionality built directly into it. In the mean time, check out Process Explorer. It can identify the process that has the file hook as wel as remove the hook(s). Its got tonnes of other uses, but I've primarily used it for that.
Found one - LockHunter
Unlocker 64 bit has been available for a while...