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• why most of the objects we create in iphone are pointers.

  - by Jaimin

  why most of the objects we create in iphone are pointers..? like i create NSString *str, NSMutableDictionary *dict.. etc

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• iPhone SDK: how to switch from a login screen to a navigation interface?

  - by DavidD

  I am beginning in iPhone development and have followed a few tutorials, but please indicate me if I'm going in the wrong direction. I have implemented my own UInViewController and a login screen view (with its xib). What I would like to do is that after clicking on the login button, it displays the RootViewController.xib, which includes the Xcode's default navigation application template. Is that possible? How? Thanks alot for your help.

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• How to detect swiping left / right on the iPhone?

  - by Tattat

  Is there any easy way to detect these kinds of gestures for iPhone? I can use touchesBegan, touchesMoved, touchesEnded. But how can I implement the gestures? thz u.

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• How to prevent image view loading while scrollong in iphone?

  - by Warrior

  I am new to iphone development.i want to check whether the image is loaded in the image view and if the image view is nil then load the image.i want to implement this in cell for row at index path so that i can increase the scrolling performance of the table , How can i do that ? please help me out.Thanks.

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• Is it possible to kick off an app from another iphone app?

  - by glutz78

  I'd like to start up the App Store from within my iphone app. Is this possible - and how? Thanks.

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• How can you develop for hardware connected to an iPhone OS device via the 30pin connector?

  - by jeremywho

  I have a small thermometer with a mini-usb connection. I would like to connect it via USB adapters to the 30pin connector on my iPhone. I am a paid dev ($99 version) and can't find much info on the hardware stuff. Is it possible to access this hardware with my current setup? I just want to access the data being generated via the temperature sensor. Thank-you for any help!!

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• is it possible to deep link to youtube videos on the iphone?

  - by dot

  on the web you can deep link to youtube videos like this: http://www.youtube.com/v/wiTSbmxssBQ&amp&start=20 is there a way to make this work on the iphone? thanks!

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• What kind of thing is a fooBar.category file in iPhone OS?

  - by HelloMoon

  I recently opened the package of an iPhone app because I was curious how all that stuff looks like when the app is built. There, I found something like fooBar.category. What's that? I don't think it's a "Category" in terms of Cocoa, isn't it?

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• Has anyone got jquery-csv2table to work with iPhone Safari?

  - by Stuart Lynne

  I'm trying to figure out why Safari on the iPhone will not load pages created with jquery-csv2table. They load correctly in Safari on the Mac. Any suggestions would be appreciated. Thanks.

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• How to implement lazty tables in more than view in iphone?

  - by Warrior

  I am new to iphone development.I want to implement lazy tables in many views.How can i do that? I am have two url and i want to parse it in the delegate class and implement it in both view,Please help me out.Any sample code for implementing lazy tables in more view will be more useful.Thanks.

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• Anyway of getting current playback time for iPhone video play in pre 3.2 API?

  - by ?????

  Is there an API that works for pre OS 3.2 for getting the current time of a video being played back? There's this one http://developer.apple.com/iphone/library/documentation/MediaPlayer/Reference/MPMediaPlayback_protocol/Reference/Reference.html But it's 3.2 or later.... Is there any way to do this with the MPMoviePlayerController API?

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• Difference between tabbar based application and tab bar view controller in iphone?

  - by Warrior

  I am new to iphone development.what is the difference between tabbar based application and creating a tab bar using tabbar controller in a view based application.Which has the major advantages?Thanks.

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• How to open the iPhone calendar from within my app?

  - by Sjakelien

  I want to be able to implement a button in my app, that quits my app, and takes the user to the iPhone's calendar. I'm not interested in sending the user to a specific event. Just opening up the calendar would do the trick. Any suggestions?

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• Can I access the text of my SMS messages using the iPhone SDK?

  - by jkally

  Can I access the text of my SMS messages using the iPhone SDK? Meaning existing messages, not creating new ones.

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• (iphone) how can I tell I need a 3.0 + iOS installed device when looking at apple doc?

  - by Eugene

  Hi, I've seen iphone related open source library which says something like, "You need 4.0+ iOS build environment but the code will run on 3.0+ iOS device." I wonder how those two requirements can differ and how can I tell a minimum 'device' iOS version which a certain api would need. For instance I want to use UIGestureRecognizer but the apple doc says it's 3.2+, but I want my app run on 3.12+. Is there a difference between build os requirement and device os requirement to run an app? Thank you

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• iphone sdk. Is it possible to read system settings?

  - by Fittoburst

  Hi I need to determine if certain system settings have been set on the iphone. i.e. Whether or not particular sounds are enabled/disabled so I can decide whether or not to play sound in my own app. Is it possible to read the system settings, and if so, how? Thanks Fitto

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• iPhone best location for code used by more than one viewcontroller?

  - by Scott Pendleton

  The more I develop iPhone apps, the more reusable functions I write. At the moment I just copy them into the .m files that need them. But would it be better to have a separate .m file and #import it instead? I don't wish to compile a library, I just want to know how other folks have handled this. Thanks.

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• Can I compile an iPhone app on one computer and sign it on another?

  - by keyboardsamurai

  Suppose my client doesn't want me to own his iPhone Distribution Certificate, is there a way I can send him the compiled app and let him adjust all App Id, Provisioning etc parameters, then sign and submit it? How do I do this?

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• How to remove the cell selection style color when once again showing the table view in iphone?

  - by Warrior

  I am new to iphone development.I created a table displaying my contents.If i select a row ,it state is highlighted in blue color and navigates to another view and if i click the back button it navigates back to the table showing the clicked cell in blue color,i want to remove the highlighted color on table while navigating back to its view.How can i do that. Thanks.

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• How to compare the year with the current year in iphone?

  - by Warrior

  I am new to iphone development.I am parsing a XML URL and display the title ,date and summary in a table view.I noticed some of the date were very old like "Wed, 31 Dec 1969 19:00:00 -0500" ,So i don't want to display the dates which are 1 year older than the current year.How to do that? I used the sample code from this site for parsing and display the details.Please help me out.Thanks.

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• Are the iPhone media playback control window available to other applications?

  - by Comma

  what is the transparent modal window that has the playback controls in the music player (iPod) of the iPhone? how can i use it in my app?

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• Get frames from the video saved in the photo directory iphone?

  - by Ballu

  HI All. how can i get the frames of any video that i am fetching from the photo directory iphone .I checked out various links but they only provide any thumbnails or any particular TIME's frame image but i need the frames of full length video .And the respective audio too then is that possible that from the freames i got and the audio file i can create another video but will change the sequence of the frames only the audio file will be the same in the video.Is that feasible .? Sample code or link will be more helpful !!! Thanks, Balraj,

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• How do I add animation to an iPhone app?

  - by james p

  So I came from a Flash background where I can animate in timeline. I've completed the Beginning iPhone Development book and just realized that I still don't know how to get an animation in. I'm guessing I need to import png sequences? Can anyone point me to an appropriate place to learn more about this topic? I want to make a game and my game objects need to animate. Thanks in advance!!

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• Will releasing an iPhone app makes it available for iPad by default?

  - by agro1986

  In my XCode's Targets summary screen, the "Devices" drop down is set to "iPhone" (other possible values are iPad and Universal) because I haven't fine tuned the app's UI for iPad. However, will people be able to download and run my app from the iPad in non-fullscreen? (e.g., with black border surrounding most of the screen) I want people to be able to search for it in app store, install it, and run it even though it is not full screen. Thanks a lot

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• Has anybody got success in texture loading using a secondary thread on iphone?

  - by shakthi

  I have been trying improve the performance of my game on iphone. Most of the cases, I do my all texture loading just before rendering the current frame. That makes big jerk in the frame rate. Anybody tried loading texture in secondary thread or something like that?

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