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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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iPhone CLLocation Simulator didUpdateToLocation never called

I know iPhone simulator is defaulted to a location in US, but does that mean that didUpdateToLocation will never be called? All that gets called is didFailWithError, that too after a long time. What is the timeout for this method to be called? p.s.…
Taranfx
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Development environment for Iphone?

Dear all. Today, I start to learn iOS. I don't know what tool I need to install to develop IPhone applications. At this time, I have a HP laptop which is running with Windows 7. If you know about this, please tell me. Thanks all. Binh Nguyen
Nguyen Minh Binh
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How to give color to each row in the tableview?

In my app i am using one table.Now i want to separate two rows by alternate colors.That means my first row will have white color,my second row will have gray color third will have again white color likewise...So please anyone have solution for…
Akshay Aher
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iOS 4 core motion attitude in landscape orientation

I've been trying to rotate my view based on the CMAttitude returned from CMMotionManager specifically the pitch=x and roll=y. I'm using a reference attitude to set my horizon. This works great for portrait mode but the minute i try to do it for a…
Svenissimo
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How does CamScanner, Genius Scan, and JotNot work?

I was looking at CamScanner, Genius Scan, and JotNot and trying to figure out how they work. They are known as 'Mobile Pocket Document Scanners.' What each of them do is take a picture of a document through the iPhone camera, then they find the…
trx25
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convert Core Data NSManagedObject in to JSON on iPhone?

I was to post some of my COre Data objects back to a web service and would like to send them as JSON. I am receiving objects from the server a JSON using this library: http://code.google.com/p/json-framework/ But I cannot figure out how to change…
Slee
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Tapping on a word in a UITextView

I want to allow users to type some text in my iPhone app, and when they tap/touch a word or sentence, then call a method on that word. My problem is how do I do it? I got the idea from from the app AudioNote:…
Kleemann
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iOS HTML to PDF Library

Does anyone know of a library for iOS platform that converts HTML to PDF? I need fairly basic functionality.
dineth
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How to clean up AVCaptureSession in applicationDidEnterBackground?

I have an app that uses AVCaptureSession to process video. I like to write with zero memory leaks, and proper handling of all objects. That's why this post - How to properly release an AVCaptureSession - was tremendously helpful - Since [session…
Oded Ben Dov
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How do I pass arrays of values to SudzC-generated webservice classes?

I have a sudzc service class generated from a WSDL that accepts an ArrayOfInt and ArrayOfString objects as parameters. The service method signature is this: - (SoapRequest*) Search: (id ) handler filters: (NSMutableArray*)…
Jon Limjap
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Html file parsing in iPhone sdk

How can I parse an HTML file under iOS? Any tutorials or sample code available?
Abhijeet Barge
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Compress images for universal application

I'm working on Universal app with a lot of background images (total size of one set of background images is ~5Mb, 3 platforms * 2 orientations = 6 background images per screen), also there is keyframe animations and i want to make my application not…
Evgen Bodunov
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iPhone Alternate View for Landscape Mode on Rotation

I'm looking to have an alternate view for one of my ViewControllers when the user rotates the device to landscape (think CoverFlow in iPod) I have implemented this using the AlternateViews sample code (listening for a device rotation…
Jason McCreary
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How to perform a latency test in iPhone

I would like to perform a latency test with respect to different urls in my iPhone app, an approach would be to make an async request for an url and measure the time duration based upon when the control reaches in connectionDidFinish delegate, is…
sandy
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Converting table view to have sections

I have a table view, which has its data source from an array that contains names of people. Now to make it easy to find people, I want to section the table view so that it has the letter A-Z on the right hand side, just like the Address Book…
Enrico Susatyo
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