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• iOS : Creating a 3D Compass

  - by Md. Abdul Munim

  Originally posted here: iOS : Creating a 3D Compass Hi everybody, Quite new in this forum.Posted the same question in stackoverflow and there some people suggested to shift it here, so that I can get a quick help from more specialists in this regard. So what's the big matter? Actually, I want to make a 3D metal compass in iOS which will have a movable cover. That is when you touch it by 3 fingers and try to move your fingers upward the cover keeps moving with your fingers and after certain distance it gets opened.Once you pull it down using 3 fingers again, it gets closed.I can not attach an image here as I don't have that much reputation. So I request you to check the original question at stack overflow that I linked at top. Is it possible using core animations and CALayers? Or would I have to use OpenGL ES? Please someone help me out, I am badly in need of it.And I need to complete it asap!

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• CCUserDefault, iOS/Android and game updates

  - by Luke

  My game uses cocos2d-x and will be published on iOS platform first, later on Android. I save a lot of things with CCUserDefault (scores, which level was completed, number of coins taken, etc...). But now I have a big doubt. What will happen when the game will receive its first update? CCUserDefault uses an XML file stored somewhere in the app storage space. This file is created and retained until one uninstalls the app. I am wondering what happens when the app is updated. Will the old XML file be maintained? Because if not, how should I handle app updates (updates in the sense that 2, 3 or more new level packages will be added, but the informations about the old ones, like scores, which level was finished and which not, number of coins, etc., need absolutely not to be lost)?

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• AdMob ad is showing in iOS simulator, but not on iDevice

  - by Ben Toscano

  As the heading states, I can get my AdMob Ad to show in the iOS 5.1 and 6.0 simulator just fine, however, when running my application on my iOS 5.1.1 or 6.0 devices, there is just a blank space where the ad should be served. The code in my .m file is as follows: bannerView_ = [[GADBannerView alloc] initWithFrame:CGRectMake(0.0, 411.0 - GAD_SIZE_320x50.height, GAD_SIZE_320x50.width, GAD_SIZE_320x50.height)]; bannerView_.adUnitID = @"**myID**"; bannerView_.rootViewController = self; [self.view addSubview:bannerView_]; [bannerView_ loadRequest:[GADRequest request]]; //GADRequest *r = [[GADRequest alloc] init]; //r.testing = YES; //[bannerView_ loadRequest:r]; Furthermore, if I initiate testing of ads (see commented-out section), the test ad shows on both the simulator AND my iDevices, which is baffling me! What am I missing? Thanks for your help.

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• C++ Framework for iOS [closed]

  - by myrkos

  I am looking for a simple and easy C++ framework for iOS. Specifically, what I want it to wrap in a C++ API: Simple GUI system 2D Graphics User touch input and accelerometer Networking (UDP sockets) What I'm trying to do is port a multiplayer game to the iOS. I've seen cocos2d-x, but I don't know how stable it is and I don't think it supports networking. Oh, and I want it to be free and open source if possible. Android support is a plus but definitely not required.

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• Use Android NDK for portability with iOS?

  - by J-F L-R

  I am currently planning to implement a little painting app using OpenGL ES 1.1. I believe this question applies to any OpenGL ES project. I am starting development on Android and I would like to know if you would recommend writing the drawing logic (using OpenGL) in C++ with the NDK so it will easier to port to iOS, or to use the Java API and being locked on Android. The reason I am asking that is because I have seen mixed opinions on the Web about using the NDK (some people say it is an added level of complexity). From what I have already seen, I believe that I should go with the Java API since I am starting on Android and then, if I decide to go on iOS, to rewrite the OpenGL logic in Objective-C or C++. This should be pretty straightforward since the calls appear to be the same in both languages. What do you think? Am I right?

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• iOS 5 New Features vs Android

  - by kerry

  Browsing through the iOS 5 features list, I can’t help but notice a lot of it is catch up. Having owned both an iPhone and an Android for a considerable amount of time, I figured I would jot down my opinions. Notification Center – Completely ripped off from Android but looks good and is a much needed addition iMessage – This is very interesting as most people who would think it’s cool, probably really wouldn’t understand the significance.  Basically, Apple is adding an IM application to iOS.  Now iPhone / iPad users can sit around messaging each other how cool it is like Crackberry users circa 2003.  I guess the only real improvement over MMS is that you can easily setup groups, see when each other are typing, and don’t incur text messaging charges; at the expense of leaving your non-iOS buddies out (who wants to talk to those losers anyways?). Newstand – An app update and not an OS one (Apple typically doesn’t make distinctions).  It all seems like stuff my current Nook stuff will do.  Note: I did look to compare prices but it seems that information is not available without downloading iTunes.  lame. Reminders – TODO lists are ho hum, but the ability to have reminders when you arrive or leave a position is pretty cool. Twitter integration – The fact that the best Apple can come up with is ‘one at a timing’ online service integration is laughable at best. Camera – Can control it from the lock screen.  Now you’ll have tons of pocket lint photos in your iCloud to go along with the wicked shot of that cheetah that just unexpectedly ran by your apartment. Photos – Speaking of iCloud, all of your devices photos will be synced through it.  That’s cool I guess, not sure if Android will do the same. Safari – What?  You haven’t been reading rss feeds on your device this whole time?  Something tells me you aren’t about to start. PC Free – Finely Apple untethers the iPhone.  What took them so long? Game Center – This should be an interesting service.  Attention Apple fanboys immediately forget how they are blatantly copying Microsoft achievements (at least rename them). Wifi Sync – Just couldn’t cut the cord completely could they?  For what it’s worth, the Zune has been doing this for 5 years now. All in all a pretty big update.  Mostly iCloud.  Mostly keeping up the mobile status quo.  As an Android user, I can’t say there is anything I am envious of.

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• iOS chat application design, sending/relaying the message over to the end user

  - by AyBayBay

  I have a design question. Let us say you were tasked with building a chat application, specifically for iOS (iOS Chat Application). For simplicity let us say you can only chat with one person at a time (no group chat functionality). How then can you achieve sending a message directly to an end user from phone A to phone B? Obviously there is a web service layer with some API calls. One of the API calls available will be startChat(). After starting a chat, when you send a message, you make another async call, let us call it sendMessage() and pass in a string with your message. Once it goes to the web service layer, the message gets stored in a database. Here is where I am currently stuck. After the message gets sent to the web service layer, how do we then achieve sending/relaying the message over to the end user? Should the web server send out a message to the end user and notify them, or should each client call a receiveMessage() method periodically, and if the server side has some info for them it can then respond with that info? Finally, how can we handle the case in which the user you are trying to send a message to is offline? How can we make sure the end user gets the packet when he moves back to an area with signal?

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• Registering in the iOS developer program as a minor

  - by maxluzuriaga

  Hi there. Recently I started learning to develop Apps for iOS, and while the simulator is fine for starting out, I've gotten to the point that I really should be testing the Apps I write on an actual device. As I'm sure you are well aware, to do this you must be a member of the $99/year iOS developer program, which also allows you to publish on the App Store. I'm more than happy to pay the fee, but my problem is that I'm still a minor, and to join the developer program you must be over 18 in the U.S. (I'm not sure how it works in other countries). I've talked to a few others that were in a similar position, but their responses have been varied. From what I've gathered, the best course of action is to register in the name of one of my parents. My problem with this is that if I were to ever publish an App on the store, it would be ideal to have my name as the seller instead of my Dad's. It wouldn't be the end of the world if this happened, but as I said, this wouldn't be ideal. Now I turn to you; is this a good plan? Have any of you been in this position or known somebody who has? Any other tips would be greatly appreciated. Thanks!

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• Coordinate and positioning problem on iOS with cocos2d-x

  - by Vexille

  I'm using cocos2d-x alongside with Marmalade and running some tests and tutorials before starting an actual project with them. So far things are working reasonably well on the windows simulator, Android and even on Blackberry's Playbook, but on iOS devices (iPhone and iPad) the positioning seems to be off. To make things clearer, I put together a scene that just draws an image in the middle of the screen. It worked as expected on everything else, but this is the result I got on an iPhone: To get the coordinates for the center of the screen I'm using the VisibleRect class from the TestCpp sample. It just uses sharedOpenGLView to get the visible size and visible origin, and calculate the center from that. CCSprite* test = CCSprite::create("Ball.png", CCRectMake(0, 0, 80, 80) ); test->setPosition( ccp(VisibleRect::center().x, VisibleRect::center().y) ); this->addChild(test); Also I have a noBorder policy set on AppDelegate: CCEGLView::sharedOpenGLView()->setDesignResolutionSize(designSize.width, designSize.height, kResolutionNoBorder); One funny thing is that I tried to deploy the TestCpp sample project to some iOS devices and it worked reasonably well on the iPhone, but on the iPad the application was only being drawn on a small portion of the screen - just like what happened on the iPhone when I tried using the ShowAll policy.

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• How to make a iOS plugin for Unity3d

  - by DannoEterno

  I've passed last 2 days reading articles and book for understand how can i make a plugin for iOS in Unity. Basically i need just a demo for understand how it work. For now i've tried to make this process (with really poor luck): I've started a new project in Unity and writed a simple script using UnityEngine; using System.Collections; using System; using System.Runtime.InteropServices; public class CallPlugin : MonoBehaviour { [DllImport ("__Internal")] private static extern int test(); void Start () { Debug.Log(test()); } } Then i've created a project in Xcode with this simple script: extern "C"{ int test() { int che = 5; return che; } } Then i've tried: to put the .mm and .h in the Assets/Plugins/iOS = nothing to build the unity project and than add the .h and .mm in the Xcode project = nothing In Unity i will always get the EntryPointNotFoundException, so unity see the file but is unable to reach the method. The problem is... how?! :) Maybe i miss something or i've done something wrong? Thanks a lot for every help that you can give me :)

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• Ubuntu for Phones / Touch vs Android, IOS and BlackBerry OS

  - by Ome Noes

  Currently I have a LG Google Nexus 4 with lots of issues because of the latest android 4.3 update. Since the update my battery drains within 7 hours when in it's standby / idle and even faster when I use it normaly! Before the Nexus 4 I had an Iphone but got sick of IOS because for me it's to much of a closed operating system and I dislike having to work with either Windows or Itunes. At this point neither Google or LG is willing to provide me (and all the others that have similar Nexus 4 problems) with a solution or even a reaction... Also i'm not very fond of the idea that the NSA (and maybe others) can and is currently monitoring millions of Android, IOS and BlackBerry OS devices all over the world. Since i've been using Ubuntu now very happily for almost 5 years I see Ubuntu for Phones / Touch as the only remedy for all this BS. Please be so kind to let me know when you will have a fully functioning version of your Ubuntu for Phones / Touch ready for consumer use. I'm realy sad that the Ubuntu Edge campaign didn't work out and hope to see lots and lots of future smartphones outfitted with Ubuntu a.s.a.p.! Keep up the good work!

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• Solutions for iOS collaborative sync (iCloud CoreData, CouchDB)?

  - by mluisbrown

  I'm developing an iOS app where one of the features will be allowing users to share and collaborate on data (e.g. lists). From everything I've read and based on the way that iCloud CoreData sync works I assume that it would not be a good fit for the following reasons, but I wanted to make sure I wasn't missing anything, as I'd prefer not to use a 3rd party syncing solution if at all possible: iCloud sync of any kind (CoreData, Document or Key / Value pairs) can only ever be between devices that use the same iCloud account, so it's designed for a single user syncing data over multiple devices. Any kind of collaborative sync (several people editing the same document / list) simultaneously would be limited to everyone have the same iCloud account. Cases of people sharing the same iCloud account is usually limited to, for example, husband and wife or similar close relationships for a small number of people. iCloud Core Data sync is for ensuring that each sync'd device has the same data. It doesn't seem to allow syncing just a subset of the data, so scenarios in which each user has their own documents and is only sharing / collaborating on a subset of them are not supported. And I'm not even mentioning the well document problems with iCloud CoreData syncing which may or may not have been resolved with iOS 7. Given the above, it would seem that CouchDB (with TouchDB) would be a better option, as it seems to support everything I need. What other options are there that people can recommend?

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• Git Branch Model for iOS projects with one developer

  - by glenwayguy

  I'm using git for an iOS project, and so far have the following branch model: feature_brach(usually multiple) -> development -> testing -> master Feature-branches are short-lived, just used to add a feature or bug, then merged back in to development and deleted. Development is fairly stable, but not ready for production. Testing is when we have a stable version with enough features for a new update, and we ship to beta testers. Once testing is finished, it can be moved back into development or advanced into master. The problem, however, lies in the fact that we can't instantly deploy. On iOS, it can be several weeks between the time a build is released and when it actually hits users. I always want to have a version of the code that is currently on the market in my repo, but I also have to have a place to keep the current stable code to be sent for release. So: where should I keep stable code where should I keep the code currently on the market and where should I keep the code that is in review with Apple, and will be (hopefully) put on the market soon? Also, this is a one developer team, so collaboration is not totally necessary, but preferred because there may be more members in the future.

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• No provisioned iOS devices are available with a compatible iOS version

  - by tarmes

  I'm trying to test my app on an iPhone 3G, however I'm getting this error: No provisioned iOS devices are available with a compatible iOS version. Connect an iOS device with a recent enough version of iOS to run your application or choose an iOS simulator as the destination. Note that: The 3G has version 4.2.1 of iOS installed The iOS deployment target is set to version 4.2 The device has valid development profiles installed I'm using the latest Xcode 4 I'm at a loss. Can anyone help? Tim

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• Join Us for the Next Quarterly Customer Update Webcast

  - by michelle.huff

  Join us for the next Oracle Content Management Quarterly Customer Update Webcast scheduled for this coming June 30 / July 1 2010. Don't miss this chance to get an overview on the latest updates to Oracle Content Management. We'll be covering the latest ECM Suite 11g release - highlighting the Universal Content Management (UCM) and Universal Records Management releases. Register Today! Americas / EMEA time zones: Customer Update June 30, 2010 9:00am US PDT / 12:00pm US EDT / 16:00 GMT Length: 1 hour *Please use your corporate email address to register. Asia-Pacific time zones: Customer Update (Repeat Webcast) July 1, 2010 12:00pm Sydney AEST, 10:00am Singapore (June 30, 2010 @ 7:00pm US PDT) Length: 1 hour *Please use your corporate email address to register Please Note: If you have attended previous Quarterly Customer Update Webcasts, we are now using a new web conference system, WebEx, to host the meeting. Missed Previous Customer Quarterly Updates? Get caught up on Oracle & ECM news. View a recording or the presentation from previous Webcasts held since June 2008 (available from My Oracle Support).

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• Objective-C or C++ for iOS games?

  - by Martin Wickman

  I'm pretty confident programming in Objective-C and C++, but I find Objective-C to be somewhat easier to use and more flexible and dynamic in nature. What would be the pros and cons when using C++ instead of Obj-C for writing games in iOS? Or rather, are there any known problems with using Obj-C as compared to C++? For instance, I suspect there might be performance issues with Obj-C compared to code written in C/C++.

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• optimizing graphics for iOS flash game

  - by 1GR3

  Friend of mine and me are working on a flash developed iOS (and later Android) puzzle board game. He's a programmer and I'm a designer/developer so (no surprise) we have a different points of view. anyway, he's method: make small tiles (100x100px) in photoshop join them into the board and then in flash apply effects to the board to avoid repetition (80's not in the good way) my method: precompose the whole board (960x640px+bleed) in photoshop and than mask active and inactive areas in flash what do you think? thank you in advance!

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• How often to authenticate iOS app in web service

  - by jeraldov

  I am trying to build an iOS app that connects to a PHP+MySQL web service. My question is how often should I check for user's authentication to get data from the web service. My app requires a login at start up, but I am wondering if how often should I check if he can still validly get data from the web service. Should I check for his username and password each time the user views a table view that get its data from the web service?

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• Can I use PBOs for textures in iOS?

  - by Radu

  As far as I can see, there is no GL_PIXEL_UNPACK_BUFFER. Also, the OpenGL ES 2.0 specification (and as far as I know, no iOS device currently supports OpenGL ES 2.0) states that glMapBufferOES() can only use GL_ARRAY_BUFFER as a target, yet glTexImage2D() and glTexSubImage2D() only seem to use PBOs if GL_PIXEL_UNPACK_BUFFER is bound. The OpenGL documentation for glBindBuffer() also states that: GL_PIXEL_PACK_BUFFER and GL_PIXEL_UNPACK_BUFFER are available only if the GL version is 2.1 or greater. So, can I use PBOs for textures? Am I missing something obvious?

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• Best game engine 2D for iOS

  - by Adelino

  which is the best 2D game enginefor iOS? I really need a game engine that allows me to modify the game code because I need to control the multi-touch events. I have a framework that detects the gesture that the player makes and I need to test this gesture recognizer in a game, so I have to have the freedom to change the game code. I don't want anything like GameSalad where you can't control anything. Thanks in advance.

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• Facebook: "URL could not be liked because it has been blocked" error in iOS app

  - by Andrew Madsen

  I'm working on an iOS app that allows the user to like a Facebook page within the app. I've implemented this using FacebookLikeView. During the course of testing this functionality, I've liked and unliked the same page multiple times. Unfortunately, this seems to have triggered Facebook's spam detection. Now, when trying to like a page using the like button displayed by FacebookLikeView, the following error is presented: "URL could not be liked because it has been blocked". Based on reports of the same problem found by searching the web, I've filled out this form to request that Facebook remove the block. However, I've received no response from them. I'm not sure how to proceed. Has anyone else run into this issue and successfully solved it?

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• iOS: Versioned static frameworks vs Git Submodules and included code

  - by drekka

  For the last couple of years I've been building static frameworks of common APIs for my iOS projects. I can build a universal binary containing all the architectures (i386, armv6, armv7) and wrap it up in a .framework directory structure. I then stored this in a directory based on the version of the framework. For example ..../myAPI/v0.1.0/myAPI.framework Once I have this framework I can then easily add it to a project and if I want to advance the version, merely change the framework search paths to the later version. This works, but the approach is very similar to what I would use in the Java world. Recently I've been reading about using Git submodules and static framework sub projects in XCode 4. Im wondering if my currently approach is something that I should consider retiring and what the pros/cons are of the new approach. I'm weary of just including code because I've already had issues in a work project which had (effectively) multiple versions of a third party API. Any opinions?

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• iOS: Using Jenkins for nightly internal builds (TestFlight), plus frequent client builds

  - by Amy Worrall

  I'm an iOS dev, working for a small agency. I'm currently on a few smaller projects where I'm the only developer. We recently acquired a Jenkins server, but each project is left to fend for themselves as for how to use it. I'd like to use it for making and distributing builds. My ideal would be: Every commit is built as a single IPA that is placed in a HTTP-accessible location. (It only needs to keep the latest one, otherwise the disk would fill up — some of our apps are 500MB or more.) Once a day it makes a build, signs it with our internal provisioning profile, tacks a build number onto the end of the version number, and sends it to our internal TestFlight team. When manually prompted, it builds the latest commit, gives it a manually specified version number, signs it with the client's provisioning profile and sends it to TestFlight. I'm pretty new to Jenkins. The developer who set up the server is running it on one of our projects, so I know it has the right stuff installed to do Xcode builds. I believe he's only using it to run unit tests though, not to do any of the code signing, IPA creation or TestFlight stuff. So my questions: I've listed three distinct kinds of build. How does Jenkins cope with that? I see there's a "build triggers" section in the config for a Jenkins project, but it doesn't seem to mention different types of build. Should I just set up multiple Jenkins projects, called "App X (continuous)", "App X (nightly)" and "App X (client)"? How do I specify the provisioning profile through Jenkins? If there isn't a way, I guess I could make different configurations in the Xcode project… Has anyone else used Jenkins to actually do the release (i.e. build and push to TestFlight) of beta builds of their apps? Is it a good idea? Or should I continue just doing it manually?

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• Flash/Flex/Air and iOS

  - by David Archer

  I'm just a little confused with all of the news recently regarding the cancellation of mobile flash, so was hoping for a little help. I've had a search through and can't find the answers to these questions, so any help would be great. First up, I'm looking to create a game in Flash first, to test whether the concept works as a fun game (on Newgrounds/Kongregate/Facebook etc.). Would it be best to use Flash CS5.5, or Flash Builder? Secondly, with mobile flash now being discontinued by Adobe, could I still port this game over to iOS through the Flash platform, or would it be better at that point to re-write the whole game using Objective C? (NOTE: I'm not an Objective C developer, but am instead a Javascript and Actionscript dev). Any help would be great. Thanks!

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• iOS App Ideas for a graduation project

  - by kramer

  I'm a CS student (BSc. degree) and it's my senior year so I'll need to do a mandatory graduation project. A friend and I just realized we are about to miss the project proposal submission deadline so we went out there researching... One of the professors (our future-project-supervisor) recommended us to team up and submit a single project with strong roots, as our only chance to fit-in this semester's quota. (we were already pretty late to consult him and most supervisors are almost at their full-quota). Anyway, his research area mainly focuses on image processing, virtual reality, computer vision/graphics so he went ahead and recommended us to find some project ideas that would work as an iPhone app. Thing is, we have no development experience on Macs but have plenty of Java, C#, C and Ruby experience... I am looking for interesting iPhone app ideas that would be appropriate as a graduation project. Go ahead and fire away your ideas and comments, they are much appreciated.

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