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Questions tagged [ios4]

The 2010-2011 version of the iPhone/iPad/iPod Touch/Apple TV operating system family, made by Apple.

iOS 4 was made available to the public for the iPhone and iPod Touch on June 21, 2010. It has been succeeded by which was released on October 12, 2011. The latest version of iOS 4 is 4.3.5.

This is the first major iOS release to drop support for some devices. It is also the first major iOS release that iPod Touch users do not have to pay for.

Support

The iPhone 3G and iPod Touch 2nd generation have limited features, while the iPhone 4, iPhone 3GS, iPod Touch 3rd & 4th generation have all features enabled. The iPhone and iPod Touch 1st generation cannot run iOS 4.0 and above. iPad compatibility was added with the release of iOS 4.2.1 on November 22, 2010.

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10676 questions
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NSUnknownKeyException view... What to do?

I have an Xcode 4 project (iOS 4.3 iPad app) and suddenly I got a NSUnknownKeyException. I've looked on the internet for the details of this error and almost anyone tells it has to do with references in the xib which are not correct anymore etc.…
CyberK
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Async NSURLConnection, Concurrent NSOperation, when to use NSRunLoop?

I'm trying to run NSURLConnection async in a secondary thread (target is iOS4), for this I have created a concurrent NSOperation, I think I'm almost there, but am not clear on the following: 1) in iOS4 NSOperationQueue addOperation starts the…
cin
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core data testing a migration mapping model

I was wondering what some people's opinions are about the best way to test a mapping model? I'm currently working on an app to an upgrade of an app in the app store and want to test the mapping model hard before submitting.
marchinram
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Page Curl Transition Animation in iPhone Doesn't Leave Toolbar Untouched

I am attempting to mimic the partial page curl animation that can be found in the Map app that comes on the iPhone. I am able to get it to partially curl, but the toolbar curls with the curling page, which I don't want. I merely want the toolbar at…
Stunner
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using instruments to check for memory leaks in xcode 4

How to use instruments to check for memory leaks in xcode 4? In the documentation they mention how to use it in earlier version of xcode which is done simply through the toolbar run with performance tool then selecting leaks. any idea how use the…
Dina
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UILabel text as html text

I am stuck with a small issue. I need to use a sentence which will have first two words bold and last two words italic. Like: I am using an Objective C Developer. How to do that. Is this possible in Objective C?
TechBee
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UIToolbar - margins? Does anyone know the left and right margins for a UIToolbar?

I'm creating a UIToolbar with nothing but a UILabel placed on it. the label content is dynamic and can change and I'd like to center it on a UIToolbar. Does anyone know the exact margin size for the left and right sides of a UIToolbar? I'm creating…
skålfyfan
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How can i check a ALAsset is a Image .How can i seperate image(.png) files from ALAssetGroup

How can i check a ALAsset is a Image? How can i seperate image(.png) files from ALAssetGroup.can i able to retrieve only the image(.png) files from iphone Photo libaray ?
Vipin
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Bind Opengl texture from the first fbo to a second fbo, use shader and render the second result (ping pong)

I've been working on ping pong shading and had thought that I had cracked it after my previous question. However, with further shader knowledge it looks like while I'm able to run the shader on FBO A and on FBO B, the output from A is not used as…
Simon
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Putting an ADBannerView on top of a UINavigationController

I'm trying to put an iAd banner in an app that is based on a UINavigationController (it's not the standard nav-base app proposed by xcode, cause I don't need the table view). I'd like to place an ADBanner on its bottom, to be always visible, no…
showerapps
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iOS App Build Setting Differences between Debug and Distribution

For an iPhone/iPad app, what build settings do you make differently between the Debug and Distribution build? Please note any unique settings that you would do for iPhone only apps and iPad only apps. Here is what I am doing currently (some already…
Boon
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A simple viewDidLoad question

I have an app with a UINavigationController with a tabBarController and quite a few views. My two main views, that correspond to the two tabs, both show a nice MBProgressHUD when they are loading data. This is triggered from viewDidLoad and only…
clifgriffin
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Questions on how to create a game similar to Pac-Man

I want to make a game that will be similar to Pac-Man from scratch. I don't want to use a games engine either, just plain old Xcode. Basically the game would consist of a map that fits the screen, walls within the map, food, enemies and a player. I…
max_
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Displaying an Image from URL Objective C

Is there any way of achieving the following that avoids using "initWithData" ? (Just in case you are curious, initWithData is getting my app flagged by Apple as using an illegal API sigh). NSData * imageData = [NSData dataWithContentsOfURL : [NSURL…
GuybrushThreepwood
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Custom VNC client for iPad/iPhone?

I'm looking around to see if there's a library for building my own roll of VNC for iPhone/iPad ... from what i saw now; the only library that 'could' meet my needs is 'Chicken' (a fork of CoVNC) Seems to be for MacOS but 'should' be running on iOS,…
Disco
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