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• Setting ViewController delegates in iPhone runtime

  - by Stein Rune Risa

  I am writing an iPhone application and needed to use the address book functionality. For this to work, it is necessary to specify a ABPeoplePickerNavigationControllerDelegate on the ViewController. The problem is that I am creating all fields and buttons dynamically runtime, and thus does not have any custom ViewController - using only UIViewController class. My question is then - how can I specify the delegate runtime without having to create a ViewController class just for this purpose.

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• on iPhone change the url background color (when get tapped) from gray to others

  - by tom

  It could be a HTML question as well... I have a UIWebView with a page (from the hand made html string) loaded. For the url link on the page, if you tap on it, it has gray as background, which I think is the default behavior on iPhone. Is there a way to programmingly (thru javascript) change that to be other colors, say, blue? It doesn't seem to work for me anyhow.

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• iPhone integration with Google Buzz

  - by radesix

  Many iPhone apps have the capability to integrate with Twitter, Facebook, and other social networking apps. It is possible yet to integrate with Google Buzz? I've checked the Google API docs for Objective C here http://code.google.com/p/gdata-objectivec-client/ But I don't see any mention of Google Buzz.

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• How to remove App Ids from iPhone Provisioning Portal

  - by JOM

  While experimenting with iPhone app development, we have several AppIDs which should be deleted - except I can't find any way to delete them! What can I do with them? If delete is not available, how about renaming, hiding or permanently disabling?

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• iPhone OS 4: New API

  - by Rupesh

  hi all, Apple announces the iPhone OS 4 with 1500 new API and some greater improvement I want to know the details the APIs. Features which are not being highlighted in press releases but might be very useful for Developer like Calendar, SMS, Photo library, Quick look etc Please provide a helpful link which provide the List of APIs

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• iPhone GLGravity example using quaternions

  - by Alexander Botov

  Hello, GLGravity iPhone example showing how to use accelerometer and OpenGL suffers from Gimbal Lock problem. I'm wondering is there any code available using quaternion rotation instead of Euler angles? Any help will be greatly appreciated, I'm struggling with this from a long time without having a success ...

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• Converting a HTML string to normal text using iphone dev

  - by user315252

  how to convert a HTML string to a plain text in iphone dev. Is there any in built functions which does it ? I am actually downloading a html string from web and showing it in the UIwebview and i am giving the user a edit option so that the html needs to converted to tet so that user can edit Thanks...

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• iphone app emoticons

  - by Ayaz Alavi

  Hi, I have made an iphone application that allows users to send text messages for free to any mobile. I want to allow users to add emoticons into their message from standard set provided by me. What might be the best possible solution for this scenario? regards ayaz Alavi

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• iphone usb connection

  - by sneha

  Hello everyone. I would like to know how any computer (mac, windows, linux) shows up media folder when an iPhone is connected. What protocols are used by that?

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• Programmatically Lock and unlock Screen of iPhone?

  - by shishir.bobby

  Can we programmatically lock and unlock Screen of the iPhone? Is it possible or is there any alternate way to achieve this?

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• reinstalling development application on iphone

  - by phonydev

  I was able to build and install my app on my iphone. If I want to fix some issues and reinstall it, is there anything I should do before reinstalling? I do see the latest changes but some things are messed up.

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• Analog clock for Iphone application

  - by Joy

  I am developing an iphone application through xcode. I need to show a analog clock in my application. I can show the time in a digital clock but just not been able to show an analog clock. Looking forward to any kind of help. Thanks in advance Joy

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• How to save picture to iPhone photo library?

  - by jblocksom

  What do I need to do to save an image my program has generated (possibly from the camera, possibly not) to the system photo library on the iPhone?

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• iPhone - packaging multiple app in a single app

  - by karim

  Hi, I would like to package multiple app in a single app. So donwloading one app and install that in an iPhone will install 3/4 apps. Something like java midlet suits having multiple Midlets in a single jar file. Is it possible by using multiple target or bundle, aggregate target etc.?

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• When to use OpenGl on the iPhone.

  - by Joe Cannatti

  When is it appropriate to use openGl-es on the iPhone versus other toolkits? I have been learning to use it and suddenly feel it might be overkill for what I have in mind. Is it a good choice for something like a blackjack game?

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• What is the iPhone simulator IP address?

  - by Chris G

  Hi I have been looking for the answer to this question for some time. I am doing network programming for the iPhone and it is necessary for me to use the IP address of the device. This isn't a problem on the physical device as it has its own IP address on the network. However I was wondering what was the case with it on the simulator. Does it get assigned an IP address to be used? Thanks in advanced for any help, CG

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• What's the keychain service in iPhone?

  - by hgpc

  What's the keychain service (kSecAttrService) in iPhone? I haven't found a concrete definition of "service" in the docs. Is it just a category for keychain items inside my app? Does the value matter other than categorizing items inside my app? Thanks.

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• Storing CGImage in Photos app?(iPhone)

  - by thyrgle

  Hi, lets say I have a CGImage and want to store it in the Photos app that comes standard with every iPod Touch/iPhone how would I do this?

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• json-framework error in iPhone static library

  - by David Beck

  I have an iPhone app that uses the json-framework. I moved some of the code, including the json-framework source, from the main project to a static library. When I did this, the json-framework stopped getting compiled into the binary (double checked with class dump). This causes a nasty error: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFString JSONValue]: unrecognized selector sent to instance 0x43897f0' Everything else in the static library continues to function properly.

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• Deploy application to iPhone Simulator

  - by Craig Warren

  Hi, I am looking for a way to deploy my application to another users simulator. To be blunt the person needs to show the application on the simulator and is not capable of compiling the source code and I don't have the time to produce the instructions. What I want to do is provide them with the .app (or another) file and have them install it in the simulator just like they can do with any real iPhone Device. Does anyone know how I can do this?

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• Iphone C# development

  - by cable729

  I wanted to use monotouch, but unfortunately I don't have $400 to spend. So I found xmlvm http://www.xmlvm.org/ and I it seems It can crosscompile .net bytecode to objective c. But, I'm not sure, are there any wrappers? What else would I need to start developing for the iphone using xmlvm??

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• Compiling the ffmpeg on iPhone?

  - by user287225

  I downloaded the iFrameExtractor sample code and try to compile it with the iPhone simulator version 3.1.3 The project shows the following errors ( http://img514.imageshack.us/img514/3245/66948298.png ) even thought I added *.a libraries to my project. All libraries was under the library searching path. I guess it is a linking problem. Anyone can recommend to me a configuration for compiling ffmpeg on x86? Thanks in advance.

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• Older iPhone/ iPod frame rate?

  - by Adam

  Do older iPods and iPhones have a frame rate of 60fps? I'm finding that all the methods for calculating time intervals on iPhone (cftimeinterval, nstimer, timesince1970, etc) are all giving me bad data, so I've decided assume a frame rate of 60, just not sure if older apple devices can run at this.

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• iphone change tab bar item on button click

  - by Ruchir Shah

  Hi, I have 4 tabs in my iphone application. When user will click a button in tab-1, I want to move/switch user to another tab suppose tab-2. How to do that? Thanks in advance. -Ruchir.

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• Soundtouch for iPhone

  - by christian Muller

  Hi, Has someone been able to make http://www.surina.net/soundtouch/ work for iPhone? Simple Xcode Demo would be helpful. I'd just like to play a soundeffect with some pitch manipulation. thx chris

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