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Questions tagged [ios-4.2]

For issues relating to using iOS, version 4.2.

iOS is an operating system for mobile devices developed by Apple Inc that they currently use in their iPhone, iPod touch and iPad devices. It is optimized for portable (including handheld) hardware with touch interfaces.

See also for further information.

310 questions
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TabelViewController with story board in ios5

I have started working with story board ,a new feature in iOS 5,so I started with a tabbed application,then I added a table view controller and filled the cells with some dummy data,now,the table has 4 cells,now on click of each cell,I want to open…
Ranjit
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UIColor -initWithRed:green:blue:alpha: memory leak?

I have this situation: UIColor *color = [[UIColor alloc] initWithRed:0/255.f green:156/255.f blue:255/255.f alpha:1]; self.lightBlue = color; color = nil; [color release]; And receive memoery leak in UIColor *color = [[UIColor alloc]…
donjordano
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UITableView with live data also has user interaction same time

I'm working on proof of concept project. That is using a UITableView to display some live data. "live data" is beeing merging with sensor information on real time in the the app. After UITableView rendered with some NSMutableArray data, that…
fyasar
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How to set Time Range in UIDatePickerModeTime

Hello friends I am trying to set the Time Range Of the DatePicker in UIDatePickerModeTime,as we have MaxDate and MinDate,whether its possible to set Mintime and Maxtime selected by user,, Suppose I want the user to select the time between 16:00 to…
Ranjit
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Xcode 4.2 Beta and iOS 4.2

I am having a problem with developing a new project using Xcode 4.2 (the beta) and deploying this onto an iPod touch running iOS 4.2.1. I told xcode that the built target was iOS 4.2, but it does not seem to want to run on it at all. The project…
MZimmerman6
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How show an full screen image in a seperate viewcontrller from a small image in webviewer (like facebook)?

HI stackoverflow friends I have an web app in iphone ,in which a lots of small images are loaded from webserver in a webview ,when I click on the image the image opens in a new viewcontroller with a navigation like facebook. How can I do this? give…
Asish AP
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Running application in background like google latitude

I'm working nowadays on an application that tracking the user location. I want this application to run even when it's not in the task list (double click on the home button doesn't show it). Like google latitude, the application is not running in…
Elad
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Issue with save file to Documents NSMutableArray with NSObjects

I'm a newbie iOS developer. I wrote a small application that save an NSMutableArray array with my objects that derived from NSObject. Application do the save but the file isn't created in document directory and application can't read. this issue is…
Elad
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@media only screen and (orientation:portrait){} not working in iOS Emulator?

@media only screen and (orientation:portrait){} not working in iOS Emulator? Any solution to make it work? I'm using iOS emulator for ipad. and Emulator is in Portrait mode But it's not taking whatever is written inside @media only screen and…
Jitendra Vyas
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How to perform Image Editing in iPhone application?

I have to perform some image editing operation like cropping, gray scale, rotating image, Polaroid-effects etc. From these I found some of functionality like cropping, gray scale. But from this we have to manage separate functions iN there. Is…
AJPatel
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3 answers

Displaying UI elements such as alerts from multiple threads

I have a simple application which was working fine until I added some code which launches a new thread at some point and then tries to show an alert from that thread. Now, the app crashes whenever the code for showing the alert is hit. UIAlertView *…
341008
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sqlite on iOS 4.3.x much slower than 4.2.1

Why is sqlite on iOS 4.3.x much slower than 4.2.1. The same sqlite query (select query with 3 joins) gives the results much faster on 4.2.1 than 4.3.x. Is there any particular reason for the same? Or is it a bug on Apple's side? Thanks in advance.
Anupam Godbole
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Access BPM field on a song (MPMediaItemPropertyBeatsPerMinute not working)

I'm building an application that has a media player in it (I'm using iOS SDK 4.2). While a given song is playing, I can access pretty much every one of the properties, but I can not access MPMediaItemPropertyBeatsPerMinute. It returns null every…
venables
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How to build app for flagging emails in iPhone?

Unfortunately, the iPhone cannot flag email messages for followups as it does in Outlook or Gmail. Everywhere I search, people are griping about this with no solution except for moving emails in a 'follow up folder', which is lame because I use…
TruMan1
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How to get a list of in-app purchases from the Apple server

I am developing an iPhone app which provides in-app purchases. However, after creating a product ID for an in-app purchase, I must manually update the list in either the client, or on a custom server. This seems a little odd. Is their any web…
jenie
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