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  • Setting up Mac OSX build server for multiple users?

    - by MGA
    Hello, I need to set up a OS X build server (Xcode for iOS development). Now the tricky part is, this server will be used in a university environment and many students will have access to it for different projects. How can I set it up so that each student's project is private to them only, keep the server itself protected from students and enable students to access and build remotely. I am not very familiar with the Mac OS X environment so any help would be greatly appreciated! Thank you

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  • How can I display the camera view in the main window in real time?

    - by Mongrel Warfare
    I'm trying to make an augmented reality application with a waypoint structure, like Yelp, and I'm wondering how to set up my main view so that it displays the camera view on the whole screen. I've heard of using the UIImagePickerController Class, but I'm unsure how to manipulate the code so that it doesn't actually take a picture, but just stays in the view mode. Any help would be appreciated, thanks!

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  • @selector and return value

    - by user320926
    The idea it's very easy, i have an http download class, this class must support the http authentication but it's basically a background thread so i would like to avoid to prompt directly to the screen, i would like to use a delegate method to require from outside of the class, like a viewController. But i don't know if is possible or if i have to use a different syntax. This class use this delegate protocol: //Updater.h @protocol Updater <NSObject> -(NSDictionary *)authRequired; @optional -(void)statusUpdate:(NSString *)newStatus; -(void)downloadProgress:(int)percentage; @end @interface Updater : NSThread { ... } This is the call to the delegate method: //Updater.m // This check always fails :( if ([self.delegate respondsToSelector:@selector(authRequired:)]) { auth = [delegate authRequired]; } This is the implementation of the delegate method //rootViewController.m -(NSDictionary *)authRequired; { // TODO: some kind of popup or modal view NSMutableDictionary *ret=[[NSMutableDictionary alloc] init]; [ret setObject:@"utente" forKey:@"user"]; [ret setObject:@"password" forKey:@"pass"]; return ret; }

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  • How to create a static delegate from main-viewcontroller?

    - by geforce
    Hi, hope someone can help me on learning some new stuff about delegates in iOS-programming. I have a "MainViewController" which is the first VC when the app starts. I´ve a kind of modelselection with different UIImageViews and after choosing one of them, i´m pushing a new VC. I want to handle the modelChoice with a delegate, so all other viewControllers can listen to that and act based on the users choice. But does that mean that i have to alloc a new instance of that "MainViewController" in every VC? Whats the solution on that? How do i create (i think its called) static delegate? Would be great to learn that.. Thanks for sharing..

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  • problem with kCFSocketReadCallBack

    - by zp26
    Hello. I have a problem with my program. I created a socket with "kCFSocketReadCallBack. My intention was to call the "acceptCallback" only when it receives a string to the socket. Instead my program does not just accept the connection always goes into "startReceive" stop doing so and sometimes crash the program. Can anybody help? Thanks readSocket = CFSocketCreateWithNative( NULL, fd, kCFSocketReadCallBack, AcceptCallback, &context ); static void AcceptCallback(CFSocketRef s, CFSocketCallBackType type, CFDataRef address, const void *data, void *info) // Called by CFSocket when someone connects to our listening socket. // This implementation just bounces the request up to Objective-C. { ServerVistaController * obj; #pragma unused(address) // assert(address == NULL); assert(data != NULL); obj = (ServerVistaController *) info; assert(obj != nil); #pragma unused(s) assert(s == obj->listeningSocket); if (type & kCFSocketAcceptCallBack){ [obj acceptConnection:*(int *)data]; } if (type & kCFSocketAcceptCallBack){ [obj startReceive:*(int *)data]; } } -(void)startReceive:(int)fd { CFReadStreamRef readStream = NULL; CFIndex bytes; UInt8 buffer[MAXLENGTH]; CFStreamCreatePairWithSocket( kCFAllocatorDefault, fd, &readStream, NULL); if(!readStream){ close(fd); [self updateLabel:@"No readStream"]; } CFReadStreamOpen(readStream); [self updateLabel:@"OpenStream"]; bytes = CFReadStreamRead( readStream, buffer, sizeof(buffer)); if (bytes < 0) { [self updateLabel:(NSString*)buffer]; close(fd); } CFReadStreamClose(readStream); }

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  • reloading table

    - by edie
    Hi... I've have a table view that consist of item list that depends on the item that were purchased using in app purchasing. My question was how can I reload the tableView when the purchasing was completed/(or when new item was added on my list). The response of the storekit takes time to complete. Are there anyways to tell the app that the purchasing was completed and new item was added on my list so that I can reload my tableView. At this time I reloading my table view by adding [myTableView reloadData] in viewWillAppear method. But what if the user was already viewing the tableView, I can't reload the tableView because the viewWillAppear had passed. thanks...

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  • Parsing json in ios

    - by gaps
    i have the follwing json string ,can anybody tell me how to get the value of role_name {"response":"success","user":{"created_at":"2011-11-16T05:48:31Z","ud_id":"1234567890","last_sign_in_ip":"182.72.141.194","updated_at":"2011-11-19T08:58:27Z","account_id":21,"last_name":"dfg","role_name":"Parent","email":"[email protected]","first_name":"abc"},"status":"200"} code for parsing is NSString *responseString = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding]; NSLog(@"resp--- %@",responseString); NSArray* latestLoans = [(NSDictionary*)[responseString JSONValue] objectForKey:@"user"]; NSDictionary* loan = [latestLoans objectAtIndex:0]; NSString* name = [loan objectForKey:@"last_name"];

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  • UIAcceleration filtering

    - by Ilya
    Hi, I found the following piece of code in apple guidelines: - (void)accelerometer:(UIAccelerometer*)accelerometer didAccelerate:(UIAcceleration*)acceleration { //Use a basic low-pass filter to only keep the gravity in the accelerometer values accel[0] = acceleration.x * kFilteringFactor + accel[0] * (1.0 - kFilteringFactor); accel[1] = acceleration.y * kFilteringFactor + accel[1] * (1.0 - kFilteringFactor); accel[2] = acceleration.z * kFilteringFactor + accel[2] * (1.0 - kFilteringFactor); } What does it exactly do? What is this low-pass filter? Why do I have to apply it? Thank you in advance.

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  • Touch and Drag from one view to another

    - by jollyCocoa
    Hi all! I've search for some clues on this problem without much success. Hope someone can kick me in the right direction. I am prototyping a couple of apps where I need to design my own GUI. The GUI is made up by two separated UIViews where one of them contains a small thumb of an image. I want to be able to drag this thumb from the first view to the other. Simple as that! But I haven't figured out how this is done. Here is the exact flow I am looking for: touch the thumb animate a small enlargement of the thumb drag the thumb to the other UIView drop the thumb animate a shrink of the thumb Not particularly strange, but the thumb remains related to the first view all the time. I've tried to move the thumb via the first views superview and then back to the second view, but with no luck.

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  • Ttstyledtextlabel does not draw properly when text property is assigned multiple times

    - by user210504
    I have A ttstyledtextlabel in my uitableview cell. It has got some web URLs for images which are being rendered. But since images take some time to download i reload the cell after sometime to render the images if they have been downloaded. The problem I am facing is that during subsequent assignment of text if the size of the label changes, happens when images have been successfully loaded the label does not render properly but rather blanks out. But I see the proper label when is scroll and come back to the cell again. Anyone faced this issue or simply when the following line is executed multiple times, the Styled Label goes blank StyledView.text = [TTStyledText textFromXHTML:[self getStyledText] lineBreaks:YES URLs:YES];

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  • autorelease object not confirming protocol does not give any warning

    - by Sahil Wasan
    I have a class "ABC" and its method which returns non autoreleases object of that class. @interface ABC:NSObject +(ABC *)aClassMethodReturnsObjectWhichNotAutoreleased; @end @implementation ABC +(ABC *)aClassMethodReturnsObjectWhichNotAutoreleased{ ABC *a = [[ABC alloc]init]; return a; } @end If I have a protocol Foo. @Protocol Foo @required -(void)abc; @end My ABC class is "not" confirming Foo protocols. 1st call id<Foo> obj = [ABC aClassMethodReturnsObjectWhichNotAutoreleased]; //show warning It shows warning "Non Compatible pointers.." thats good.Abc did not confirm protocol Foo BUT 2nd call id<Foo> obj = [NSArray arrayWithObjects:@"abc",@"def",nil]; // It will "not" show warning as it will return autorelease object.NSArray don't confirm protocol Foo In first call compiler gives warning and in second call compiler is not giving any warning.I think that is because i am not returning autorelease object. Why is compiler not giving warning in 2nd call as NSArray is also not confirming FOO Thanks in advance

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  • In App Purchase Resources Security.

    - by jAmi
    Hi I am setting up in app purchase where user can buy different Sounds. Once bought, he can play those sounds in the App. The Sound files are all present in my Resources Folder and I just keep a record(in a plist) of the files that have been purchased. No If I right click on the IAP file and see its content I can see the Resources, hence any one can have those sounds without actually buying them. Is there a protected Bundle or something?

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  • iOS: Interpreted code - where do they draw the line?

    - by d7samurai
    Apple's iOS developer guidelines state: 3.3.2 — An Application may not itself install or launch other executable code by any means, including without limitation through the use of a plug-in architecture, calling other frameworks, other APIs or otherwise. No interpreted code may be downloaded or used in an Application except for code that is interpreted and run by Apple’s Documented APIs and built-in interpreter(s). Assuming that downloading data - like XML and images (or a game level description), for example - at run-time is allowed (as is my impression), I am wondering where they draw the line between "data" and "code". Picture the scenario of an app that delivers interactive "presentations" to users (like a survey, for instance). Presentations are added continuously to the server and different presentations are made available to different users, so they cannot be part of the initial app download (this is the whole point). They are described in XML format, but being interactive, they might contain conditional branching of this sort (shown in pseudo form to exemplify): <options id="Gender"> <option value="1">Male</option> <option value="2">Female</option> </options> <branches id="Gender"> <branch value="1"> <image src="Man" /> </branch> <branch value="2"> <image src="Woman" /> </branch> </branches> When the presentation is "played" within the app, the above would be presented in two steps. First a selection screen where the user can click on either of the two choices presented ("Male" or "Female"). Next, an image will be [downloaded dynamically] and displayed based on the choice made in the previous step. Now, it's easy to imagine additional tags describing further logic still. For example, a containing tag could be added: <loop count="3"> <options... /> <branches... /> </loop> The result here being that the selection screen / image screen pair would be sequentially presented three times over, of course. Or imagine some description of a level in a game. It's easy to view that as passive "data", but if it includes, say, several doorways that the user can go through and with various triggers, traps and points attached to them etc - isn't that the same as using a script - or, indeed, interpreted code - to describe options and their conditional responses? Assuming that the interpretation engine for this XML data is already present in the app and that such presentations can only be consumed (not created or edited) in the app, how would this fare against Apple's iOS guidelines? Doesn't XML basically constitute a scripting language (couldn't any interpreted programming language simply be described by XML) in this sense? Would it be OK if the proprietary scripting language (ref the XML used above) was strictly sandboxed (how can they tell?) and not given access to the operating system in any way (but able to download content dynamically - and upload results to the authoring server)? Where does the line go?

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  • how can i set mTextView to show on button click

    - by Ajay Pandey
    i have a UITextView object which i have created in interface builder with it's hidden property unmarked.Now i want this textView to be invisible when my application launches and first view appears.Further i want it to be displayed when a particular method is called.Now this is what i have written in view did load [mTextView setHidden:YES]; self.mTextView=[[UITextView alloc] init]; it hides the textView ats the first view appears but when my desired method is called and i write [mTextView setHidden:NO]; it does not show it again.. Is it like we cant change the appearance of a textView once it is assigned because after assigning memory as self.mTextView=[[UITextView alloc] init]; and then writing [mTextView setHidden:YES]; it does not hide textView in viwDidLoad either.....

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  • NavigationController does not set view properties correctly when pushed

    - by Sheehan Alam
    I have a UITabBarControllerDelegate that pushes a new view controller when a certain tab is pressed: - (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController { MyView* myView = [[[MyView alloc] initWithNibName:@"MyView" bundle:nil]autorelease]; if([self.tabBarController.selectedViewController.title isEqualToString:@"Friends"]){ NSLog(@"Clicked Friends"); myView.reloadFriends = TRUE; [self.navigationController myView animated:YES]; } } However, if I change my code to set the tabbar's selected view controller to myView everything works, but I don't get my navigation bar: if([self.tabBarController.selectedViewController.title isEqualToString:@"Friends"]){ NSLog(@"Clicked Friends"); myView.reloadFriends = TRUE; self.tabBarController.selectedViewController = myView; } How can I set the reloadFriends property in MyView and have the navigation bar at the top?

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  • How do you create an invisible button that covers the whole screen including navigation controller?

    - by Jim
    I have a simple tableview that navigates to a detailed view with a navigation controller. In the detailed view I need to create a button which when pressed isolates all other buttons displayed on the screen including the navigation controller back button. I know how to get the invisible button to cover most of buttons the screen but I can't get it to cover the navigation controller back button as this has been created in the parent view. How do I pop it over the top of the navigation controller from the detail view?

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  • How to calculate the touch location with convertToWorldSpace?

    - by Paul
    i would like to convert the touch location as a world coordinate in my tile game. With this code, i clicked on the right of the screen (so that my character walks in the tiled game, and the background goes slowly to the left) : - (void)ccTouchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { for( UITouch *touch in touches ) { CGPoint location = [touch locationInView: [touch view]]; location = [[CCDirector sharedDirector] convertToGL: location]; CGPoint test = [self convertToWorldSpace:location]; CCLOG(@"test : %.2g", test.x); The test log gives me : 50, 72, 1e+02, 2.6e+02, 4.2e+02, (and then goes down) 3.2e+02, 9.5, -1.9e+02, etc. Does anyone know why? I would like to calculate the "real" coordinate of the touch, so that i know when the character has to keep going (click on the right of its actual position) or if he has to turn and go backwards. (click on the left of its actual position) Thanks for your help

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  • More 'Edit' navigation item

    - by lennox_19
    I am using a UITabBarController as well as a UINavigationController on my app. In my UITabBarController I am using more than 5 items so I automatically get the 'More' item. I've managed to add a saving procedure so the order of those items will be kept in case somebody changes the order etc. With 'More' active I get the More navigation controller with the 'Edit' item positioned under my UINavigationController. Both navigation controller are visible. When I click on 'Edit though the More navigation controller disappears and seem to be hiding under my UINavigationController and therefore I can't see/use the 'Done' function to save my new order What did I miss? Cheers

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  • localize many images in Xcode at once?

    - by Sebastian
    I have this project that i need to add a translation to. I already know how to add localisation to single image files, but there are 200+ images with text on it in that project. Do i really have to click one file at a time, "get info", click "add localisation" enter the Language and click OK for every file? When i select multiple images the languages and do those steps the new language is not added :-/ Please someone have a way to save me from insanity ;-) Thanks! S

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  • GameKit server disconnect makes session invalid

    - by Markus
    Hi everyone, I'm trying to build a 4 player multiplayer game using GameKit. I tried many things and I'm currently using client/server mode, meaning that I have 1 session in GKSessionModeServer and 3 other sessions connecting to this one in GKSessionModeClient. My goal is, that when a user leaves the game or gets disconnected for whatever reason, that the others can continue their game. So far this works if any of the Clients leave the game, but if the Sevrer leaves the game, send and receive calls are not reaching the other peers anymore. I tried the same with 4 peers in GKSessionModePeer with the same result (where the player who accepts connections cannot quit). Does anyone had better success in making this work? Any help is highly appreciated. Thanks!

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