Tagged Questions

iOS is Apple's operating system for mobile devices, such as the iPhone, iPod touch, iPad and Apple TV (2nd generation) devices. It shares a lot with Mac OS X, but is optimized for touch-based interfaces.

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Find input elementID of the input field that the user has selected

I have a uiwebview and have loaded a document from a server. The web document has several text input fields. How do I determine the ID or name of the field that the user has touched - selected. I ...
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In iOS, why do subviews wrap around to the other side when the superview is resized?

Subviews that have their left side on the x-axis of their superview move to the other side of the superview when the superview is resized. Is there any logical explanation for this? This is happening ...
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How to implement this method in my NSXMLParser to extract images

i'm new in iOS development, and at this moment i have implemented the NSXMLparser , but i really don't know how to separate tags with the same name, but different content, like the ...
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parse multilined json in objective c

I have a json file with large data like this: [{"pkg_id": 385 ,"pkg_name":" 10OZ NR 1/24 "}, {"pkg_id": 822 ,"pkg_name":" 12OZ CN "}, {"pkg_id": 422 ,"pkg_name":" 12OZ CN 6/4 ...
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Developing iPhone 5 app on iPhone 4S?

Starting May 1, new apps and app updates submitted to the App Store must be built for iOS >devices with Retina display and iPhone apps must also support the 4-inch display on iPhone 5. >Learn about ...
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How do I add a UIViewController?

I have a GLES game, it has no standard UI elements. It is based on the code from GLSprite which contains a UIView and an AppDelegate (full source code on github ...
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CFBundleVersion of another app on the device

I can get the version of my app by doing this: [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"] But how do I get the version of another app on the device? I want to know if ...
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Adding mp3 file to Music Library

I have an application with some mp3 files on its Document folders. How can I add these mp3 files to the phone's music library ? The answer to this question says it's not possible, but there are ...
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How to create temporary object with core model class

I'm new to Core Data and I'm having an issues with creating and then deleting objects. I am trying to download and parse a JSON feed from a web service, then compare the feed data to the data in the ...
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iOS: How to check if screen is locked when app is in background

Is it possible to notify an app (inactive OR active but in background) when screen is locked / unlocked? Something like: http://stackoverflow.com/a/3617552/1011125
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email from Apple - “Missing Push Notification Entitlement”

I have been trying to submit an update to my app for 3 days now, and every time that I do I get an email from Apple stating: Missing Push Notification Entitlement - Your app appears to include ...
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iOS Application Support Directory files overwritten on update?

If I have a file called file.txt in Application Support Directory, then I release an update to AppStore for the app which has an update for file.txt. The users who update the app will they still have ...
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Error's with class methods, and properties of objects in objective c

I'm trying to simple update some text on an app created at my firm before my time. The app is a native iOS app and I'm not familiar with objective C so I'm not sure how to search for these solutions. ...
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Search controller searching an array of dictionaries

I am trying to follow two tutorials on how to implement a search controller for a UITableView. This is all working ok so far the issue I have is with the search/filter itself: Tutorial links: ...
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1answer
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Core Data Conundrum: Cannot call NSFetchedResults twice

I have a custom UITableViewController, called mainViewController. It has a public property in the header file @property (strong, nonatomic) NSMutableArray *someGroups; This property is set in the ...

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