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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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Changing viewcontroller for a tab in a tabbar controller

I am currently developing an app that has a TabBarController and each of the tabs contains a navigation controller. This way on each tab I can show details of the rows selected on a view by pushing the viewcontroller to the navigation controller.…
Wim Haanstra
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Alert View - How to use clickedButtonAtIndex:

I have this alert view (disclaimer) that pop up when app finish launching. It works (my app is much slower now), but I also want to exit from the app if the user press no, thanks. I think I should use clickedButtonAtIndex:. 1. Can somebody help me…
Mat
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what is the difference among alloc ,copy and new?

What are the actual difference among alloc,copy and new and also what about the assign and nonatomic Property.
Ankit Vyas
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Iphone Apps using C#/Mono

There are various questions (mainly around 2009 to early 2010) discussing use of the Mono framework to write apps in C# and deploy them to iPhone. Also there is some discussion of the Unity Framework, but I'm more interested in a fairly standard UI…
Glinkot
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Is it possible to route AVAssetWriter to a network stream in iOS4?

AVAssetWriter takes a file URL as an argument and writes buffers appended to its AVAssetWriterInput to that file. AVAssetWriter* assetWriter = [[AVAssetWriter alloc] initWithURL:[NSURL URLWithString:@"...fileURL..."] …
Anton
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Is there a BDD solution that presently works well with iOS4 and Xcode4?

So I've been searching pretty hard for a solid BDD alternative for iOS4 and Xcode4, but everything seems to have either been abandoned a long time ago or sortof working but rather messily. The best solution I've found is called Cedar (main article…
Philip Guin
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Defining members and properties in Xcode 4 & iOS 4

I am fairly far along developing a reasonably ambitious first iPhone project and I am confused as to which way to implement and access properties and why. Example 1: (in the .h) Nsstring *_sale; @property (nonatomic, retain) NSString *sale; (in the…
Adam Purdie
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CGContextClip empty path error (Custom UINavigationBar background)

Getting an error ": doClip: empty path." on CGContextClip(ctx); when using Ahmet Ardal's code for custom for UINavigationBar custom background. Ideally I'd like to solve this error - will it stop approval by Apple? My understanding is it defines…
JulianB
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insertRowsAtIndexPaths:withAnimation: throws NSRangeException

This is my code (from a Core Data tutorial): [eventsArray insertObject:event atIndex:0]; NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:0]; [self.tableView insertRowsAtIndexPaths:[NSArray arrayWithObject:indexPath]…
Valentin Golev
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How can you launch a URL from the iOS Settings Bundle?

I would like to launch a URL from the iOS Settings Bundle that would at least launch Safari when they Touched the setting. Not sure if this is possible I couldn't find any examples of this in the Settings area with Apple or 3rd party apps. If it…
Rodney S. Foley
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iOS Simulator on Mac doesn't show Email or ActiveSync options

I'm trying to test email access in the iPhone iPad simulator and there doesn't appear to be a way to use "email" POP3 or Activesync from the SDK's simulator. How do I configure the Simulator for email access?
makerofthings7
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Linker options 'Link all assemblies" and "Link SDK assemblies only" causes undefined symbols in 3rd party static library

Can someone please explain what is happening here. If I select Link all assemblies or Link SDK assemblies only for the linker behavior in the project build options, then I get the following linking errors occurring in my static library,…
BruceHill
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UIDatePicker Exception when calling setDatePickerMode with Region Format set to Taiwan Calendar to Japanese

We are using the standard UIDatePicker view to allow the user to set a countdown duration using the picker. The code is as follows: //in the header file UIDatePicker *pickerView; //in the implementation file, the error is thrown when this line…
Jim
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Can I find out the GameCenter user name that's actively logged in?

I'd like my iphone app to pre-populate some fields once a user has logged into gamecenter. Specifically, the username! I have full logging in working - as well as a leaderboard and acheivements all working - I just can't seem to find out how to…
Kolya Miller
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Rename Project in iOS 4

I just recently upgraded XCode to version 4 (4.0.2 to be precise). I wish to change a project name (it was very intuitive in version 3), i.e. change all relevant files names and the icon text on the phone itself, and I can't seem to find where I do…
Ohad Regev
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