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• Brevets : Samsung compte poursuivre Apple sur l'utilisation de la 4G LTE dans l'iPhone 5, le constructeur dénigre Android aux Pays-Bas

  Brevets : Samsung compte poursuivre Apple sur l'utilisation de la 4G LTE dans l'iPhone 5 le constructeur dénigre Android aux Pays-Bas Apple se prépare pour le lancement demain de l'iPhone 5. De son côté, Samsung se prépare également. Mais pour bloquer la commercialisation du nouveau dispositif d'Apple. Selon un article du Korea Times, le constructeur coréen a confirmé qu'il allait trainer Apple devant les tribunaux, suite à la demande de la firme à la pomme d'interdire la gamme Galaxy S sur le territoire américain. Pour rappel, Samsung avait été condamné à verser un milliard de dollars à Apple pour avoir violé les brevets de la société sur le Design de l'iPhone. La ...

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• Finalement il y aura une application Firefox sur l'iPhone mais ce ne sera pas un navigateur : Mozill

  Finalement il y aura une application Firefox sur l'iPhone Mais ce ne sera pas un navigateur A la première lecture (trop) rapide du titre du billet du blog de de la Fondation Mozilla, on se dit que « ça y est !!! », Tritan Nitot nous a dit des cracks, il y aura bien un Firefox pour l'iPhone. En fait, il y aura bien un Firefox mais ce ne sera pas le navigateur. Il s'agira d'un service baptisé Firefox Home, d'où le titre du billet de Mozilla : « Firefox Home Coming Soon to the iPhone ». « Firefox Home [propose] sur les terminaux ou les plateformes où nous ne sommes pas en mesure de fournir un navigateur ?complet? (pour des raisons techni...

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• Ne dites plus iPhone OS 4, mais iOS 4 : le nouveau système d'exploitation pour terminaux mobiles d'A

  Comme on vous l'avait annoncé précédemment, Apple avait invité certains journalistes pour leur présenter certaines nouveautés de l'iPhone OS 4.0. Voici un tout petit résumé des nouveautés introduites dans iPhone OS 4.0 : 1500 nouvelles API à disposition des développeurs 100 nouvelles fonctionnalités proposées aux utilisateurs Parmi les nouvelles fonctionnalités proposées aux utilisateurs, Apple a mis l'accent sur 7 nouvelles fonctionnalités : Le multi-tache, mais de façon limitée (on reviendra là dessus plus tard) Les dossiers : vous pouvez maintenant avoir plus de 2000 applications réparties dans les dossiers. Au lieu de 180 auparavant. iBooks disponible également sur l'iPhone. Messagerie un...

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• Un blogueur dévoile un iPhone tournant sous Android, alors que les relations entre Google et Apple s

  Un blogueur dévoile un iPhone tournant sous Android, alors que les relations entre Google et Apple sont au plus mal Alors que la situation est des plus tendues entre Apple et Google, les deux concurrents se retrouvent réunis sur un même appareil. Un informaticien passionné a en effet trouvé le moyen de faire tourner son iPhone sous Android. Cela fait déjà un an qu'il essaie et expérimentent divers techniques pour arriver à cette cohabitation de systèmes, avec plus ou moins de succès. Il dit avoir perdu du temps en se laissant distraire par le jailbreak. Grâce au dual boot, ils peuvent passer le l'OS iPhone à celui de Google. Planetbeing, le blogueur derrière cette initiative, a publié aujourd'hui une v...

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• Is it to late for Windows Phone 7 after the iPhone 4.0 comes out?

  This year has been an incredible year for mobile devices, from the release of the iPad to the reveal of the Windows Phone 7 from Microsoft to compete with the well establish Apple iPhone. Microsoft has been hard at work developing the OS for the Windows Phone 7 that will be release late this year, yet Apple will be releasing this summer the new iPhone 4.0 with new hardware to go with it. If we remember well, the first version of the iPhone was a good device, yet was missing many features...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Les utilisateurs d'iPhone se regroupent en sept types, et vous, à quelle catégorie appartenez-vous ?

  Les utilisateurs d'iPhone se regroupent en sept types, et vous, à quelle catégorie appartenez-vous ? Actuellement, près de 70 millions de personnes dans le monde utilisent un iPhone. Et, d'après un site américain, le smartphone d'Apple compterait 7 types d'utilisateurs différents : - Le Fanboy : Pour lui, Apple, c'est l'Alpha et l'Omega, la perfection, le sacré. Il adhère donc à toutes les politiques de la firme et, évidemment, en achète tous les appareils, qu'il vénère et considère comme les "meilleurs jamais construits", largement au dessus de ceux proposés par la concurrence (entendez Microsoft). Pour lui, si son iPhone rencontre des problèmes, c'est la faute de son opérateur. Mais jamais de son si parfai...

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• L'iPhone 4.0 sera multi-tâches, approuvez-vous cette décision ?

  L'iPhone 4.0 sera multi-tâches, approuvez-vous cette décision ? Le reproche le plus couramment fait à l'iPhone est son incapacité de gérer le multi-tâche. Plus exactement, l'appareil en est capable, mais Apple empêche l'exécution de cette fonctionnalité. En effet, il n'est actuellement pas possible d'utiliser plusieurs applications simultanément, sauf iPod, mail, sms et Safari. Ceci, afin de préserver les batteries de ses appareils et de faire de l'iPhone un mobile très simple à utiliser (certains néophytes ont du mal à s'y retrouver lorsque plusieurs programmes fonctionnent en parallèle). Le hic, c'est que tous les concurrents de la pomme proposent des smartphones multi-tâches. Récemment, Motorola a diffusé des publ...

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• Hortis, principal sponsor du "DevDay for iPhone" du 9 juin à Genève vous offre 50% de réduction

  Le mercredi 09 Juin 2010 se tiendra à Genève le "DevDay for iPhone" Sachez que Trifork, Adrian Komesmaczewski et Hortis ont décidé de promouvoir la dernière semaine d'inscription au "DevDay for iPhone" de Genève en vous offrant 50% de réduction. Pour profiter de cette offre exceptionnelle, il vous suffit d'indiquer le code promotionnel finalprice sur le formulaire d'inscription en ligne http://www.developpez.com/redirect/97 Si vous comptez vous y inscrire, pensez à répondre à la question "Where did you hear about DevDay for iPhone ?" que vous l'avez connu grâce à Developpez.com.

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• OpenCV and iPhone

  - by gn-mithun

  Hello, I am writing an application to create a movie file from a bunch of images on an iPhone. I am using OpenCv. I downloaded openCv static libraries for arm(iPhones native instruction architecture) and the libraries were generated just fine. There were no problems linking to them libraries. As a first step, i was trying to create a .avi file using one image, to see if it works. But cvCreateVideoWriter always returns me a NULL value. I did some searchin and i believe its due to the codec not being present. I am trying this on the iPhone simulator. this is what i do... (void)viewDidLoad { [super viewDidLoad]; UIImage *anImage = [UIImage imageNamed:@"1.jpg"]; IplImage *img_color = [self CreateIplImageFromUIImage:anImage]; //The image gets created just fine CvVideoWriter *writer = cvCreateVideoWriter("out.avi",CV_FOURCC('P','I','M','1'), 25,cvSize(320,480),1); //writer is always null int result = cvWriteFrame(writer, img_color); NSLog(@"\n%d",result); //hence this is also 0 all the time cvReleaseVideoWriter(&writer); } I am not sure about the the second parameter. What sort of codec or what exactly it does... I am a n00B in this. Any suggestions?

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• iPhone and OpenCV

  - by gn-mithun

  Hello, I am writing an application to create a movie file from a bunch of images on an iPhone. I am using OpenCv. I downloaded openCv static libraries for arm(iPhones native instruction architecture) and the libraries were generated just fine. There were no problems linking to them libraries. As a first step, i was trying to create a .avi file using one image, to see if it works. But cvCreateVideoWriter always returns me a NULL value. I did some searchin and i believe its due to the codec not being present. I am trying this on the iPhone simulator. this is what i do... (void)viewDidLoad { [super viewDidLoad]; UIImage *anImage = [UIImage imageNamed:@"1.jpg"]; IplImage *img_color = [self CreateIplImageFromUIImage:anImage]; //The image gets created just fine CvVideoWriter *writer = cvCreateVideoWriter("out.avi",CV_FOURCC('P','I','M','1'), 25,cvSize(320,480),1); //writer is always null int result = cvWriteFrame(writer, img_color); NSLog(@"\n%d",result); //hence this is also 0 all the time cvReleaseVideoWriter(&writer); } I am not sure about the the second parameter. What sort of codec or what exactly it does... I am a n00B in this. Any suggestions?

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• Error: 30509 -- Bluetooth not available iPad and iPhone GameKit stuff

  - by user347727

  When trying to connect the iPad to the iPhone via bluetooth it stays on the "Looking for other iPhones or iPod touches" screen on both. If i try running the iPhone version on both, they find each other. Is this some sort of restriction? Thanks. also, im getting: 2010-05-22 01:49:52.301 iPadTest[241:207] ********** Loading AX for: com.taptouchclick.iPadTest ************ 2010-05-22 01:49:58.366 iPadTest[241:207] BTM: attaching to BTServer Listening on port 49403 2010-05-22 01:49:58.480 iPadTest[241:207] Error: 30509 -- Bluetooth not available.. 2010-05-22 01:49:58.492 iPadTest[241:5403] handleEvents started (2) 2010-05-22 01:49:58.799 iPadTest[241:207] BTM: posting notification BluetoothAvailabilityChangedNotification 2010-05-22 01:49:59.120 iPadTest[241:5403] ~ DNSServiceRegister callback: Ref=180da0, Flags=2, ErrorType=0 name=00cb-qc0A..iPad regtype=_uv2nevk4u6n9m2._udp. domain=local. 2010-05-22 01:49:59.335 iPadTest[241:5403] ~ DNSServiceBrowse callback: Ref=180bb0, Flags=2, IFIndex=2 (name=[en0]), ErrorType=0 name=00cb-qc0A..iPad regtype=_uv2nevk4u6n9m2._udp. domain=local. 2010-05-22 01:50:29.201 iPadTest[241:5403] ~ DNSServiceBrowse callback: Ref=180bb0, Flags=0, IFIndex=2 (name=[en0]), ErrorType=0 name=00cb-qc0A..iPad regtype=_uv2nevk4u6n9m2._udp. domain=local. 2010-05-22 01:50:32.052 iPadTest[241:5403] ~ DNSServiceBrowse callback: Ref=180bb0, Flags=2, IFIndex=1 (name=[lo0]), ErrorType=0 name=00cb-qc0A..iPad regtype=_uv2nevk4u6n9m2._udp. domain=local. 2010-05-22 01:50:46.379 iPadTest[241:5403] ~ DNSServiceBrowse callback: Ref=180bb0, Flags=0, IFIndex=1 (name=[lo0]), ErrorType=0 name=00cb-qc0A..iPad regtype=_uv2nevk4u6n9m2._udp. domain=local. 2010-05-22 01:50:52.143 iPadTest[241:5403] ~ DNSServiceBrowse callback: Ref=180bb0, Flags=2, IFIndex=2 (name=[en0]), ErrorType=0 name=00cb-qc0A..iPad regtype=_uv2nevk4u6n9m2._udp. domain=local. in the console. not sure what that means, but "Error: 30509 -- Bluetooth not available.." scares me. ideas? Thanks, TapTouchClick

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• What alternatives do I have for source control and does GIT does that?

  - by RubberDuck

  I work as a freelancer programmer for some clients and also create apps for myself. When I work for myself, obviously I work alone. I generally don't work in a linear way. My big problems today are: I have a lot of apps that use the same classes I have developed; In the past, I put all these common classes on a directory outside all projects and included them on my apps using absolute paths, but this method sucks because by accident (if you forget) you may change a path or the disk and all projects are broken. Then I decided to copy those classes to my projects every time. Because the majority of these classes do not change frequently, I am relatively ok, but when they change, I am in hell; When I change one of these classes I have to propagate the changes to all other apps using copies of them. I have also tried to create frameworks but thanks to Apple, I cannot create frameworks for iOS and have to create libraries and bundles and create a nightmare of paths from one to the other and to the project to make that sh!t works. So, I am done with frameworks/libraries on Xcode until Xcode is a decent IDE. So, I see I need something better to manage my source code. What I need is this (I never used GIT on Xcode. I have read Apple docs but I still have these points): does git locally on Xcode allows me to deal with assets or just code? Can I have the equivalent of a "framework" (code + assets) managed by git locally? Can an entire xcodeproj be managed as a unity? I mean, Suppose I have a xcodeproj created and want GIT to manage it. How do I enable git on a project that was created without it and start designating files for management. (I have enabled git on Xcode's preferences, but all source control menu is grayed out). Is git the best option? Do I have another? Remember that my main condition is that the files should stay on the local computer. Please save me (I am a bit dramatic today). Thanks.

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• PDF rendering crashes app Core Graphics

  - by Felixyz

  EDIT: The memory leaks turned out to be unrelated to the crashes. Leaks are fixed but crashes remain, still mysterious. My (iPhone) app does lots of PDF loading and rendering, some of it threaded. Sometime, it seems always after I flush a page cash after getting a memory warning, the app crashes with a bad access when trying to draw a pdf page stored in an NSData object. Here is one example trace: #0 0x3016d564 in CGPDFResourcesGetResource () #1 0x3016d58a in CGPDFResourcesGetResource () #2 0x3016d94e in CGPDFResourcesGetExtGState () #3 0x3015fac4 in CGPDFContentStreamGetExtGState () #4 0x301629a8 in op_gs () #5 0x3016df12 in handle_xname () #6 0x3016dd9e in read_objects () #7 0x3016de6c in CGPDFScannerScan () #8 0x30161e34 in CGPDFDrawingContextDraw () #9 0x3016a9dc in CGContextDrawPDFPage () But sometimes I get this instead: Program received signal: “EXC_BAD_ACCESS”. (gdb) bt #0 0x335625fa in objc_msgSend () #1 0x32c04eba in CFDictionaryGetValue () #2 0x3016d500 in get_value () #3 0x3016d5d6 in CGPDFResourcesGetFont () #4 0x3015fbb4 in CGPDFContentStreamGetFont () #5 0x30163480 in op_Tf () #6 0x3016df12 in handle_xname () #7 0x3016dd9e in read_objects () #8 0x3016de6c in CGPDFScannerScan () #9 0x30161e34 in CGPDFDrawingContextDraw () #10 0x3016a9dc in CGContextDrawPDFPage () Is this an indication that I've mistakenly deallocated an object? It's hard for me to decode what's happening here. This is how I create and retain the various objects involved: // Some data was just loaded from the network and is pointed to by "data" self.pdfData = data; _dataProviderRef = CGDataProviderCreateWithData( NULL, [_pdfData bytes], [_pdfData length], NULL ); _documentRef = CGPDFDocumentCreateWithProvider(_dataProviderRef); _pageRef = CGPDFDocumentGetPage(_documentRef, 1); CGPDFPageRetain(_pageRef); _pdfFrame = CGPDFPageGetBoxRect(_pageRef, kCGPDFArtBox); So the NSData object is retained, and I explicitly retain the page reference. The data provider and the document are already retained by the create-functions. And here is my dealloc method: -(void)dealloc { if (_pageRef) CGPDFPageRelease(_pageRef); if (_documentRef) CGPDFDocumentRelease(_documentRef); if (_dataProviderRef) CGDataProviderRelease(_dataProviderRef); self.pdfData = nil; [super dealloc]; } Am I doing anything wrong? Even an assurance that I'm not, with explanation, would be a help.

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• In an iPad SplitView, how do I add a Date Picker control to the Root View?

  - by Dr Dork

  I'm diving into iPhone OS development on the iPad and one of the things I'm playing with is the SplitView template. The template provides a window with a UISplitView view, containing the Root View (on the left of the window) and the Detail View (on the right of the window). The Root View is a subclass of a TableView. Rather than having the entire Root View consist of a TableView, I'd like it to contain a DatePicker view along with the TableView under it. When I go into IB and try and drop a DatePicker into the Root View, it won't let me. It will only let me add a DatePicker view to the Detail View. Why wont IB let me drop a DatePicker view into the Root View? How can I add a DatePicker to the RootView in addition to the TableView? I'm still learning this new platform, so I apologize if these questions are absurd in any way. Thanks so much in advance for your help, I'm going to continue researching these questions right now.

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• Xcode: Unable to open project... cannot be opened because the project file cannot be parsed...

  - by Chris Butler

  Hi everyone. I have been working for a while to create an iPhone app. Today when my battery was low, I was working and constantly saving my source files then the power went out... Now when I plugged my computer back in and it is getting good power I try to open my project file and I get an error: "Unable to Open Project Project ... cannot be opened because the project file cannot be parsed." Is there a way that people know of that I can recover from this? I tried using an older project file and re inserting it and then compiling. It gives me a funky error which is probably because it isn't finding all the files it wants... I really don't want to rebuild my project from scratch if possible. Thanks in advance. EDIT Ok, I did a diff between this and a slightly older project file that worked and saw that there was some corruption in the file. After merging them (the good and newest parts) it is now working. Great points about the SVN. I have one, but there has been some funkiness trying to sync XCode with it. I'll definitely spend more time with it now... ;-) Thanks for everyone's comments and suggestions.

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• In the Xcode SplitView template for an iPad app, how do I add a Date Picker control to the Root View

  - by Dr Dork

  I'm diving into iPhone OS development on the iPad and one of the things I'm playing with is the SplitView template. The template provides a window with a UISplitView view, containing the Root View (on the left of the window) and the Detail View (on the right of the window). The Root View is a subclass of a TableView. Rather than having the entire Root View consist of a TableView, I'd like it to contain a DatePicker view along with the TableView under it. When I go into IB and try and drop a DatePicker into the Root View, it won't let me. It will only let me add a DatePicker view to the Detail View. Why wont IB let me drop a DatePicker view into the Root View? How can I add a DatePicker to the RootView in addition to the TableView? I'm still learning this new platform, so I apologize if these questions are absurd in any way. Thanks so much in advance for your help, I'm going to continue researching these questions right now.

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• Convert NSMutableArray to string and back

  - by Friendlydeveloper

  Hello, in my current project I'm facing the following problem: The app needs to exchange data with my server, which are stored inside a NSMutableArray on the iPhone. The array holds NSString, NSData and CGPoint values. Now, I thought the easiest way to achieve this, was to convert the array into a properly formatted string, send it to my server and store it inside some mySQL database. At this point I'd like to request my data from my server, receive the string, which represents contents of my array and then actually convert it back into a NSMutablArray. So far, I tried something like this: NSString *myArrayString = [myArray description]; Now I send this string to my server and store it inside my mySQL database. That part works really well. However, when I receive the string from my server, I have trouble converting it back into a NSMutableArray. Is there a method, which can easily convert array description back into an array? Unfortunately I couldn't find anything on that so far. Maybe my way of "serializing" the array is wrong right from the start and there is a smarter way to do this. Any help appreciated. Thanks in advance.

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• How does [self.tableView reloadData] know what data to reload?

  - by Scott Pendleton

  It bugs me to death that my viewcontroller, which happens to be a tableViewController, knows without being told that its property that is an NSArray or an NSDictionary holds the data that is to be loaded into the table for display. Seems like I should explicitly say something like: [self.tableView useData:self.MyArray]; Because, THAT'S WHAT I WANT TO DO! I want to have more than one array inside my tableViewController, and switch between one and the other programmatically. Please do not give me an answer like: "Never mind what you want to do, just set up two different tableViewControllers." No. I want to do it my way. I notice that when a tableViewController makes use of a searchViewController, you can do this: if (tableView == self.searchDisplayController.searchResultsTableView) { YES! I have even been able to do this: self.tableView = self.searchDisplayController.searchResultsTableView; [self.tableView reloadData]; But nowhere can I find how to set self.tableView back to the main datasource! I'm so tired of sifting, sifting through code for incomplete nuggets of enlightenment. Allow me to understate that Apple's documentation is grossly inadequate. It's astounding that so many slick iPhone programs came to be created. People said that once I went Mac, I'd never go back to Windows. Well, I'm anything but a convert.

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• Decoding ima4 audio format

  - by MrDatabase

  To reduce the download size of an iPhone application I'm compressing some audio files. Specifically I'm using afconvert on the command line to change .wav format to .caf format w/ ima4 compression. I've read this (wooji-juice.com) awesome post about this exact topic. I'm having trouble w/ the "decoding ima4 packets" step. I've looked at their sample code and I'm stuck. Please help w/ some pseudo code or sample code that can guide me in the right direction. Thanks! Additional info: Here is what I've completed and where I'm having trouble... I can play .wav files in both the simulator and on the phone. I can compress .wav files to .caf w/ ima4 compression using afconvert on the command line. I'm using the SoundEngine that came w/ CrashLanding (I fixed one memory leak). I modified the SoundEngine code to look for the mFormatID 'ima4'. I don't understand the blog post linked above starting w/ "Calculating the size of the unpacked data". Why do I need to do this? Also, what does the term "packet" refer to? I'm very new to any sort of audio programming.

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• jerky animation using Core Animation

  - by Paul from Boston

  In my iPhone app, I am trying to get some red and white stripes that are scrolling across the screen to animate smoothly when the speed of the stripes gets high. In my app the user starts the animation and changes the scrolling speed by a finger swipe and changes the width of the stripes by a two finger pinch. Animation is stopped in response to a double tap. If the speed gets high or the stripes get narrow the animation is no longer smooth to the eye. The edges of the stripes seem to jump around. The animation is simple. I draw the stripes in a layer that's a bit larger than the screen. I then set up an animation that moves the layer position by exactly the distance from one red stripe to the next. The duration is set by the speed of the finger swipe and the repeat count is 1. When the animation stops the delegate checks a flag to see if the user wants to stop the scrolling. If not, the animation is restarted again for one cycle. Are there better ways of doing this so that the animation is smooth at high speeds or with narrow stripes? Thanks--

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• UIBarButtonItem with custom image and no border

  - by mongeta

  Hello, I want to create a UIBarButtonItem with a custom image, but I don't want the border that iPhone adds, as my Image has a special border. It's the same as the back button but a forward button. This App is for an inHouse project, so I don't care if Apple reject or approves it or likes it :-) If I use the initWithCustomView:v property of the UIBarButtonItem, I can do it: UIImage *image = [UIImage imageNamed:@"right.png"]; UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom]; [button setBackgroundImage: [image stretchableImageWithLeftCapWidth:7.0 topCapHeight:0.0] forState:UIControlStateNormal]; [button setBackgroundImage: [[UIImage imageNamed: @"right_clicked.png"] stretchableImageWithLeftCapWidth:7.0 topCapHeight:0.0] forState:UIControlStateHighlighted]; button.frame= CGRectMake(0.0, 0.0, image.size.width, image.size.height); [button addTarget:self action:@selector(AcceptData) forControlEvents:UIControlEventTouchUpInside]; UIView *v=[[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, image.size.width, image.size.height) ]; [v addSubview:button]; UIBarButtonItem *forward = [[UIBarButtonItem alloc] initWithCustomView:v]; self.navigationItem.rightBarButtonItem= forward; [v release]; [image release]; This works, but if I have to repeat this process in 10 views, this is not DRY. I suppose I have to subclass, but what ? NSView ? UIBarButtonItem ? thanks, regards,

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• OAuth with Google Reader API using Objective C

  - by Dylan

  I'm using the gdata OAuth controllers to get an OAuth token and then signing my requests as instructed. [auth authorizeRequest:myNSURLMutableRequest] It works great for GET requests but POSTs are failing with 401 errors. I knew I wouldn't be able to remain blissfully ignorant of the OAuth magic. The Google Reader API requires parameters in the POST body. OAuth requires those parameters to be encoded in the signature like they were on the query string. It doesn't appear the gdata library does this. I tried hacking it in the same way it handles the query string but no luck. This is so difficult to debug as all I get is a 401 from the Google black box and I'm left to guess. I really want to use OAuth so I don't have to collect login credentials from my users but I'm about to scrap it and go with the simpler cookie based authentication that is more mature. It's possible I'm completely wrong about the reason it's failing. This is my best guess. Any suggestions for getting gdata to work or maybe an alternative iphone friendly OAuth library?

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• How to require fullscreen mode in a jQTouch application?

  - by Christopher Young

  I'm using jQTouch to develop a version of a website optimized for safari on the iphone. The jQTouch demo helpfully shows how to show an "install this" message for users not using full screen mode and hide it for those who are. When in fullscreen mode, the body should have the class "fullscreen." So you can hide the "install this" message for people who have already added your app to their home page by adding this css rule to your stylesheet: body.fullscreen #home .info { display: none; } What I'd like to do is require users to use the app in fullscreen mode only. When viewed from the regular browser, they should only see a message asking them to install the app. That message should of course be hidden otherwise. This ought to be really, really easy, so I must just be missing something obvious. I thought one way to do this would be to simply test for the class "fullscreen" on the body: if it's not there, use goTo to get to another div, or hide the other divs, or something like that. Strangely, however, this doesn't work. As a test, I've still got the original "info" message, as in the jQTouch demo, and it doesn't show up when I launch in fullscreen mode. So the body must have the fullscreen class. And yet I can't find any other trace of it: when I put this alert to test things after the document has loaded, I get nothing when launching in fullscreen mode: alert($("body").attr("class")); I also thought I might test for fullscreen mode by checking for the value of the fullScreen boolean. But this doesn't seem to work either. What am I missing? What is the best way to do this?

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• UIImagePickerController dismissModalViewController

  - by Deepak Sharma

  I am trying to invoke UIImagePickerController to select a movie on iPhone 3GS and when the movie is selected, i just dismiss it and present MyViewController modally with a configured delay of 1.0 seconds. What I notice is 10% of the times, presentModalViewController on MyViewController does nothing whereas it works 90% of the times. I want to understand why is this behavior and what is the remedy. Here is the sample code: (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { NSURL *videoURL = nil; NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType]; if ([mediaType isEqualToString:@"public.movie"]) { videoURL = [info objectForKey:UIImagePickerControllerMediaURL]; } picker.delegate = nil; [[picker parentViewController] dismissModalViewControllerAnimated:YES]; [self performSelector:@selector(launchMyViewController:) withObject:nil afterDelay:1.0]; } -(void) launchMyViewController:(id) obj { MyViewController *myCtrl = [[MyViewController alloc] initWithNibName:@"MyViewController" bundle:[NSBundle mainBundle] controller:self]; [self presentModalViewController:myCtrl animated:YES]; [myCtrl release]; NSLog(NSStringFromClass([self.modalViewController class])); [path release]; } I have put NSLog statement to print the self.modalViewController class name and what I notice is that 10% of the times when myCtrl is not fired modally, the self.modalViewController.class is UIImagePickerController. Otherwise, the self.modalViewController.class is MyViewController. I want to know why is the behavior so unpredictable and what is the workaround or other way to achieve the same thing I intend.

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• Random MKAnnotationView is tapped when there are overlapping annotations

  - by Alexandre Gellibert

  I cannot believe this bug/problem doesn't have any solution! In my iphone application, I'm using MapKit with MKMapView and custom MKAnnotationView. The problem is when annotations overlap (in my app, annotations are photos and those photos may overlap) and when you tap on the annotation that appears on front, other annotation (on back) receives the event (seems to be random). I didn't find any way to send the event to the front annotation. Z ordering and Order of overlapping annotations questions on stackoverflow did not help me that much. Please any idea is welcome (even ugly ones)! Here's some of my code (nothing fancy, very common): CustomAnnotation.h @interface CustomAnnotation : NSObject <MKAnnotation> { @private CustomAnnotationView* view; } @property (nonatomic, retain) CustomAnnotationView* view; @end CustomAnnotation.m @implementation CustomAnnotation @synthetize view; CustomAnnotationView.h @interface CustomAnnotationView : MKAnnotationView { } @end CustomAnnotationView.m @implementation CustomAnnotationView - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{ // Do something related to the annotation tapped } @end Main class ... // Annotations are added and some of them overlaps with others. - (void)addAnnotation:(CustomAnnotation*)annotation { [map addAnnotation:annotation]; } ... - (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>)annotation { NSString* identifier = getIdentifierFromAnnotation(annotation); CustomAnnotationView* view; if(!(view = (CustomAnnotationView*)[map dequeueReusableAnnotationViewWithIdentifier:identifier])) { view = [[CustomAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier: identifier]; [(CustomAnnotation*)annotation setView:view]; [view release]; } return view; }

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