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  • set Width & Height alone on Views in iPhone Development

    - by ChethanRao
    Hey guys, I am working on an iPhone project where i need to change the width and height of a UIImageView dynamically. I have come across CGPointMake to change x & y positions alone, but what should i use for changing width & height alone??. There's something called CGSizeMake but i am not able to make it work. Can someone help...any idea abt this....???.. Thanks.

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  • iPhone App made using XCode 3.2.3 does not run on 3.1.3 OS

    - by balexandre
    I can't figure this out and I thought that someone might run through the same thing. I have XCode 3.2.3 (Pre Release with OS 4 beta) and I started to create my application, after the final touches and everything worked ok, I changed the Simulator - 4.0 to Simulator - 3.1.3 (latest iPhone OS) and I could never start my app again :-( Does anyone know what I should do? I created a simple Screencast of the problem so everyone can see what I'm writing about. Thank you for all the help.

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  • How much memory is my iphone app using (from Simulator)

    - by Jonathan
    I know this has something to do with Instruments, but well it's kind of confusing and searching for Instruments on Google doesn't help much. I'd like to know how well my app runs, like how much memory it uses. I just don't know where to find something like: "As close as we can tell from the simulator you'll app will currently be using xx MBs of RAM on a real iphone device." I need help on how to get this information.

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  • How much market shares OpenGL2.0 in iPhone os hardwares(iPhone/iPot Touch)

    - by Eonil
    I'm planning making a game for AppStore, so I'm studying GLES. But, GLES 1.1 and 2.0 APIs are different about handling in some features.(and limitations) I have not enough time to consider both of them, I have to choosing one. 2.0 is clearly better in developer's view, but I'm worry about it's market share. I wish most users moved on newer SGX based hardware, but in fact, I don't know. Does anybody have information about location of those hardware ratio data in iPhone OS supported hardwares? (iPhone/iPod touch, per GPU) Please let me know.

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  • How to get objects to react to touches in Cocos2D?

    - by Wayfarer
    Alright, so I'm starting to learn more about Coco2D, but I'm kinda frusterated. A lot of the tutorials I have found are for outdated versions of the code, so when I look through and see how they do certain things, I can't translate it into my own program, because a lot has changed. With that being said, I am working in the latest version of Coco2d, version 0.99. What I want to do is create a sprite on the screen (Done) and then when I touch that sprite, I can have "something" happen. For now, let's just make an alert go off. Now, I got this code working with the help of a friend. Here is the header file: // When you import this file, you import all the cocos2d classes #import "cocos2d.h" // HelloWorld Layer @interface HelloWorld : CCLayer { CGRect spRect; } // returns a Scene that contains the HelloWorld as the only child +(id) scene; @end And here is the implementation file: // // cocos2d Hello World example // http://www.cocos2d-iphone.org // // Import the interfaces #import "HelloWorldScene.h" #import "CustomCCNode.h" // HelloWorld implementation @implementation HelloWorld +(id) scene { // 'scene' is an autorelease object. CCScene *scene = [CCScene node]; // 'layer' is an autorelease object. HelloWorld *layer = [HelloWorld node]; // add layer as a child to scene [scene addChild: layer]; // return the scene return scene; } // on "init" you need to initialize your instance -(id) init { // always call "super" init // Apple recommends to re-assign "self" with the "super" return value if( (self=[super init] )) { // create and initialize a Label CCLabel* label = [CCLabel labelWithString:@"Hello World" fontName:@"Times New Roman" fontSize:64]; // ask director the the window size CGSize size = [[CCDirector sharedDirector] winSize]; // position the label on the center of the screen label.position = ccp( size.width /2 , size.height/2 ); // add the label as a child to this Layer [self addChild: label]; CCSprite *sp = [CCSprite spriteWithFile:@"test2.png"]; sp.position = ccp(300,200); [self addChild:sp]; float w = [sp contentSize].width; float h = [sp contentSize].height; CGPoint aPoint = CGPointMake([sp position].x - (w/2), [sp position].y - (h/2)); spRect = CGRectMake(aPoint.x, aPoint.y, w, h); CCSprite *sprite2 = [CCSprite spriteWithFile:@"test3.png"]; sprite2.position = ccp(100,100); [self addChild:sprite2]; //[self registerWithTouchDispatcher]; self.isTouchEnabled = YES; } return self; } // on "dealloc" you need to release all your retained objects - (void) dealloc { // in case you have something to dealloc, do it in this method // in this particular example nothing needs to be released. // cocos2d will automatically release all the children (Label) // don't forget to call "super dealloc" [super dealloc]; } - (void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyObject]; //CGPoint location = [[CCDirector sharedDirector] convertCoordinate:[touch locationInView:touch.view]]; CGPoint location = [touch locationInView:[touch view]]; location = [[CCDirector sharedDirector] convertToGL:location]; if (CGRectContainsPoint(spRect, location)) { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Win" message:@"testing" delegate:nil cancelButtonTitle:@"okay" otherButtonTitles:nil]; [alert show]; [alert release]; NSLog(@"TOUCHES"); } NSLog(@"Touch got"); } However, this only works for 1 object, the sprite which I create the CGRect for. I can't do it for 2 sprites, which I was testing. So my question is this: How can I have all sprites on the screen react to the same event when touched? For my program, the same event needs to be run for all objects of the same type, so that should make it a tad easier. I tried making a subclass of CCNode and over write the method, but that just didn't work at all... so I'm doing something wrong. Help would be appreciated!

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  • Problem with ebay AddItem API call [migrated]

    - by user1323572
    I am totally new to any sort of API application. Right now I am creating a listing application to list items on E-bay India site. API version being used is 767, sandbox url is https://api.sandbox.ebay.com/wsapi. I have sandbox account for ebay(buyer/seller) and developer account. I am getting error saying: 1) Sales Tax / VAT was dropped from the listing as per new sales tax / VAT policy. The items will be listed successfully, you may revise the listing to specify all inclusive price. 2) You have either not registered or are having problem with your payment method registration. ItemType type = new ItemType(); type.PaymentMethods = new BuyerPaymentMethodCodeTypeCollection(); type.PaymentMethods.Add(BuyerPaymentMethodCodeType.PaisaPayAccepted); Also do I have to specify taxation for each state? For VAT and shipping details here's my snippet: private ShippingDetailsType getShippingDetails() { // Shipping details. ShippingDetailsType sd = new ShippingDetailsType(); SalesTaxType salesTax = new SalesTaxType(); ReadSettings rs = new ReadSettings(); rs.GetSettings(); salesTax.SalesTaxPercent = 12f; salesTax.SalesTaxState = "MH"; SalesTaxType s = new SalesTaxType(); salesTax.ShippingIncludedInTax = true; salesTax.ShippingIncludedInTaxSpecified = true; sd.ApplyShippingDiscount = true; AmountType at = new AmountType(); at.Value = 2.8; at.currencyID = CurrencyCodeType.INR; sd.InsuranceFee = at; sd.InsuranceOption = InsuranceOptionCodeType.NotOffered; sd.PaymentInstructions = "These are my instructions."; VATDetailsType vd = new VATDetailsType(); vd.BusinessSeller = false; vd.BusinessSellerSpecified = false; vd.RestrictedToBusiness = false; vd.RestrictedToBusinessSpecified = false; vd.VATID = "VATSNO1234567890"; vd.VATPercent = 12f; vd.VATPercentSpecified = true; vd.VATSite = "None"; sd.ShippingType = ShippingTypeCodeType.Flat; // ShippingServiceOptionsType st1 = new ShippingServiceOptionsType(); sd.SalesTax = salesTax; st1.ShippingService = ShippingServiceCodeType.IN_Express.ToString(); at = new AmountType(); at.Value = 50; at.currencyID = CurrencyCodeType.INR; st1.ShippingServiceAdditionalCost = at; at = new AmountType(); at.Value = 50; at.currencyID = CurrencyCodeType.INR; st1.ShippingServiceCost = at; st1.ShippingServicePriority = 1; at = new AmountType(); at.Value = 1.0; at.currencyID = CurrencyCodeType.INR; st1.ShippingInsuranceCost = at; sd.ShippingServiceOptions = new ShippingServiceOptionsTypeCollection(new ShippingServiceOptionsType[] { st1 }); return sd; } Thank you for you efforts.

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  • Watch Indian TV Channels Live On Apple iPad and iPhone

    - by Kavitha
    After having your Apple iPad or iPhone with you, are you boring with your journey? Don’t worry now with the help of a small application called "YuppTV" you can watch Live Indian TV Channels free of cost on your journey. The Application can be directly downloaded from the App Store. On launching the application you will find a list of TV channels that are available for live streaming – few of popular channels available through the app are: India Tv, 9XM, ABN Andhra Jyothi, DD Vyas, eTV2, HMTV, Maa Tv Telugu, NewX, NTv, RK News, Sakshi TV etc. Just tap on any of the channel in the list to view live feed of the TV channel. Download YuppTV App From App Store This article titled,Watch Indian TV Channels Live On Apple iPad and iPhone, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • Android programming vs iPhone Programming?

    - by geena
    Hi, I am doing my finol project and thinking of an mobile app to develop.but i am new to mobile OS world and dont know which is good for me to go on.I mean , in long term which will be more beneficial to me b/w android or iPhone programming as well as to my final project ? :) .......... Thanx for all the suggestions of you guyz :) Well I am, if not so bright, then pretty good at Java and C++ :) Although Objective C is a little different from standard C/C++ but I think I can cope with it. Owning a Mac or running Snow Leopard in VMWare is not going to make much difference in iOS development... or is it? Actually, as it is final project for my BS degree, I am wondering whether is it worth taking as a final project or not (iPhone or Android app)...Or.... Is it better to stick with web/desktop development? and what this means that i have to be a

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  • Using your own gameloop logic on iphone?

    - by kkan
    I'm currently working on moving some android-ndk code to the iphone and have hit a wall. I'm new to iphone development, and from looking at some samples it seems that the main loop is handled for you and all you've got to do is override the render method on the view to handle the rendering and add a selector to handle the update methods. The render method itself lookslike it's attached to the windows refresh. But in android I've got my own game loop that controls the rendering and updates using c++ time.h. is it possible to implement the same here bypassing apple's loop? I'd really like the keep the structures of the code similar. Thanks!

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  • Totem streams only certain video from iphone

    - by Hans Schmidt
    I recently installed a plug-in for Totem movie player. This allows the app to receive and play AirPlay-streamed video from iphone to totem player: http://www.omgubuntu.co.uk/2011/01/airplay-video-playback-comes-to-totem Actually this works fine with youtube videos. But when it comes to other apps in iPhone (such as Digital TV App) the streaming does not work. In the app I can choose Totem Player, but Totem Player itself stays empty, i.e. nothing will be streamed. As mentioned choosing Totem Player for youtube video works fine. Do you guys have any idea what makes the difference that it works only for youtube?

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  • Hey iPhone 5 users, here is the official Google Maps App from Google

    - by Gopinath
    Here is a big news to all the iPhone 5 users which brings great relief. Google officially released Google Maps Apps for iOS 6 and it’s available in App Store. The app is optimized for iPhone 5 and includes turn-by-turn voice guided navigation similar to the one found on Android devices. Also the app features transit and walking directions, 2D and 3D maps, Street View and aerial imagery, and more. If you don’t find the application on App Store, wait for sometime as the rollout may be slowly covering all the regions.

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  • ubuntu 10.10: Totem streams only certain video from iphone

    - by Hans Schmidt
    I recently installed a plug-in for Totem movie player. This allows the app to receive and play AirPlay-streamed video from iphone to totem player: http://www.omgubuntu.co.uk/2011/01/airplay-video-playback-comes-to-totem Actually this works fine with youtube videos. But when it comes to other apps in iPhone (such as Digital TV App) the streaming does not work. In the app I can choose Totem Player, but Totem Player itself stays empty, i.e. nothing will be streamed. As mentioned choosing Totem Player for youtube video works fine. Do you guys have any idea what makes the difference that it works only for youtube?

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  • Programming for the iPhone

    - by Bobby Alexander
    Whats the best way to get started on iPhone development if you are an expeienced C++ or C# programmer? Most books either assume you know nothing or something. What are the steps to achieve this? For eg: first learn objective C (let's say), next learn cocoa... I am interested in books/resources. I read Getting started with iPhone development from Oreilly (the missing manuals book) but that just provided an over view on the programming and concentrated more on getting your app into the app store. I need need resources that will help be start coding. Other questions: How much of objective C do you need to know? How do go ahead with learning the cocoa framework? Can I directly start on cocoa touch or do I need to know the MAC cocoa framework first? Inputs from someone who was in the same situation (Know c++/c# but no clue about mac programming/objective c/cocoa) would help greatly.

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  • 3D architecture app for Android or iPhone

    - by Manixate
    I want to make an app for 3D modeling on iPhone/Android. I cannot get the basic idea of how to get started. I have various options such as learning OpenGL ES, UDK or Unity3d but I want to create models(e.g architecture etc) in my app and then render them when user is finished modeling. I do not know if I am able to design models and then render them in the same app with various effects on the iPhone/Android using UDK or Unity3d. (Note: If you find this question unclear please ask, I may have skipped some vital information).

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  • Different iPhone screen resolutions and game graphics

    - by Luke
    We are developing a 2D game for iPhone using cocos2d-x. The artists are drawing the raster graphic for a resoluion of 640x960. For older iPhone devices, those that have a resolution of 320x480, should we provide a completely new set of graphics, to be adapted to the smaller resolution? I was thinking of simply scaling the whole scene of a factor of 2. That would save us the time to write a specific set of graphic elements for the smaller resolution. What is the best practices? How do you guys handle the different screen resolution w.r.t. the graphic part of the game?

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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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  • Disabling home button on iPhone/iPad

    - by alku83
    First of all, I'm completely aware that doing this will get my app rejected by Apple, that it's a poor user experience, and so on. My question is fairly simple, is there a way using private APIs to disable the home button? The aim is to effectively put an iPad into kiosk mode.

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  • Will new Twitter API 1.1 allow hashtag/tweet/trend queries without any authentication, i.e. for a client that does not use an user's account at all?

    - by P5music
    I see that, even not being logged in Twitter with an account, if I google hashtags or twitter accounts, twitter show them. I think it should be also possible to get those tweets programmatically but I do not know it for sure, so I ask for confirmation here, especially for the future with the new Twitter API resctrictions. I mean, will it be possible to get tweets from hashtags or accounts without logging in an user account, and so not wanting to access the user settings, subscriptions, etc (because I do not need it), thus not having to respect any token limit? I found these API 1.1 faqs, have I to be concerned? Will an application have to request user authorization just to make public API calls? When API v1.1 is released, user authorization (and access tokens) are required for all API 1.1 requests. In the weeks following release, some methods will require only application-based authentication for certain "userless" contexts. Will an application have to request user authorization just to make public API calls? When API v1.1 is released, user authorization (and access tokens) are required for all API 1.1 requests. In the weeks following release, some methods will require only application-based authentication for certain "userless" contexts. Will the Search API require authentication? The Search API is now part of the official REST API in version 1.1. In addition to serving results in a format consistent with other Tweet resources, usage will also require authentication.

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  • More FlipBoard Magazines: Azure, XAML, ASP.NET MVC & Web API

    - by dwahlin
    In a previous post I introduced two new FlipBoard magazines that I put together including The AngularJS Magazine and The JavaScript & HTML5 Magazine. FlipBoard magazines provide a great way to keep content organized using a magazine-style format as opposed to trudging through multiple unorganized bookmarks or boring pages full of links. I think they’re really fun to read through as well. Based on feedback and the surprising popularity of the first two magazines I’ve decided to create some additional magazines on topics I like such as The Azure Magazine, The XAML Magazine and The ASP.NET MVC & Web API Magazine. Click on a cover below to get to the magazines using your browser. To subscribe to a given magazine you’ll need to create a FlipBoard account (not required to read the magazines though) which requires an iOS or Android device (the Windows Phone 8 app is coming soon they say). If you have a post or article that you think would be a good fit for any of the magazines please tweet the link to @DanWahlin and I’ll add it to my queue to review. I plan to be pretty strict about keeping articles “on topic” and focused.   The Azure Magazine   The XAML Magazine   The ASP.NET MVC & Web API Magazine   The AngularJS Magazine   The JavaScript & HTML5 Magazine

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  • Google Fonts API JSON Data in WordPress Options-Framework-Theme

    - by Rob
    I'm developing a child-theme off of the new Twenty Twelve theme using Wordpress 3.4.2 and the development version of the Options Theme Framework by Devin Price. In Devin's tutorial, it shows of a way to implement 15 Google Web Fonts into the Theme Options page, but not all of them (roughly 560). I know I can create a "manual list", like in the tutorial that states each one with fallbacks, but this is time consuming and unproductive as Google may or may not add to, update, change or remove some of these fonts from their list. The list I've created above will ultimately store unavailable fonts the user thinks is there because of what they can see in the drop-down menu and it won't have any new ones - making the list and some selections obsolete. On the Google Developer API Web Fonts page, it talks briefly on retrieving a "dynamic list" using JSON/JavaScript. I was wondering how would I be able to pull the Google Web Fonts API into my Wordpress Theme Options page so I'm not creating my own list or have to constantly release an update to solve this issue. Could someone please walk me through what I would need to paste into my options.php, functions.php, /inc/options-framework.php file etc. or even in a new one to implement this? I've also had a look into some screencasts, plugins and tutorials on how it works, but none of them are specific enough for people just starting out. Please keep in mind I'm not the best coder... Thank you.

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  • DB API for shell scripting (any shell)

    - by foampile
    I am faced with some legacy shell scripts that run batch data processing jobs in Oracle using SQL+. For the most part, the data tier does not have to communicate back to the script with retrieved data to be passed for shell-level processing but in a few cases it does. The problem is, SQL+ is really meant to be an end user app and not an API that can communicate with other clients programmaticaly. That is why people have invented APIs such as DBD::DBI for Perl, JDBC for Java, ODBC etc. The way it is done is they invoke SQL+ and then parse the output, which is clearly designed for human eye consumption, using tools like sed and awk. The whole thing is at best a hack and very prone to bugs. Since this client is rather conservative with their technology, they don't want to scale their scripts up to Perl or Python where there are data access APIs. So I am wondering whether there are similar APIs for shell, e.g. K or bash. What I would like is if an API would return data in a 2-dimensional array or strings (for the lack of type setting) so that I can just read DB data like that. The way they do it now is akin to parsing regular web page HTML to get a single stock quote rather than cleanly calling a web service and be done with it. Anybody know of a product I can use? Thanks

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  • Balancing dependency injection with public API design

    - by kolektiv
    I've been contemplating how to balance testable design using dependency injection with providing simple fixed public API. My dilemma is: people would want to do something like var server = new Server(){ ... } and not have to worry about creating the many dependencies and graph of dependencies that a Server(,,,,,,) may have. While developing, I don't worry too much, as I use an IoC/DI framework to handle all that (I'm not using the lifecycle management aspects of any container, which would complicate things further). Now, the dependencies are unlikely to be re-implemented. Componentisation in this case is almost purely for testability (and decent design!) rather than creating seams for extension, etc. People will 99.999% of the time wish to use a default configuration. So. I could hardcode the dependencies. Don't want to do that, we lose our testing! I could provide a default constructor with hard-coded dependencies and one which takes dependencies. That's... messy, and likely to be confusing, but viable. I could make the dependency receiving constructor internal and make my unit tests a friend assembly (assuming C#), which tidies the public API but leaves a nasty hidden trap lurking for maintenance. Having two constructors which are implicitly connected rather than explicitly would be bad design in general in my book. At the moment that's about the least evil I can think of. Opinions? Wisdom?

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