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  • Display the y value of a uiImageView during an animation

    - by user1422132
    I have the following code: NSString *yValue; yValue=[[NSString alloc] initWithFormat:@"%1.2f" , imageView.center.y]; CGRect labelFrame = CGRectMake( 10, 100, 200, 50 ); UILabel* label5 = [[UILabel alloc] initWithFrame: labelFrame]; [label5 setBackgroundColor:[UIColor blackColor]]; [label5 setText: yValue]; [label5 setTextColor: [UIColor orangeColor]]; [self.view addSubview: label5]; This correctly shows the y value of the UIimageView but the problem is that it only shows the ending y value. When a person flicks the UIImageView I animate it using: [UIView animateWithDuration:2 delay:0 options:UIViewAnimationOptionCurveEaseOut animations:^{ recognizer.view.center = finalPoint; } What I want is the label5 to display the y value of the imageView during the animation not just after. Is it possible to do this?

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  • open app in mobile safari browser

    - by How2iphone
    I have been using the uiwebview for a app that consists a index.html,css and javascript files.I'd like to do away with the uiwebview and open the app in the safari browser instead.All source files are located within the app bundle.Is it possible and if so can someone point me in the rite direction.Thanks in advance for any help offered.

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  • How to implement action in didSelectRowAtIndexPath of UITableview?

    - by Sumana Mehta
    On my view, I used to have few buttons and each button had an action associated with it. UIButton *testButton = [[UIButton alloc] initWithFrame:CGRectMake(120,300,90,90)]; [testButton setBackgroundImage:[UIImage imageNamed:@"test.jpg"] forState:UIControlStateNormal]; [testButton addTarget:self.view action:@selector(gotoProd:) forControlEvents:UIControlEventTouchUpInside]; [testButton addt [scrollView testButton]; But now I am trying to replace all those buttons with the tableview with rows. I was able to populate the rows and I know one needs to use didSelectRowAtIndexPath for handling on select event of the cell. But how can I implement action:@selector(gotoProd:) in tableviews ?? Any help will be greatly appreciated.

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  • word after the space NSlog

    - by DD007
    I am new bie to xcode may be question is silly but I am lagging with my home work. In a file I want to read a specific character after the string. I want to read all the character after the space. ex: asasasasasas wewewewewewe qwqwqwqwqwqw xyz_ 22 aaaaaaaaaaa bbbbbbbbbbb ccccccccccccccc ddddddddddddd fgfgfgfgfgfgfg ererererererer abc_ 12 bbbbbbbbbb dddddddd jkjkjkjkjkjkjk lalallalalalal everything is fine .. but i want to print after "xyz_ 22" as aaaaaaa then bbbb ccc

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  • didSelectRowAtIndexPath being called after viewDidLoad of the called view

    - by Serguei Fedorov
    I am trying to pass variables over to the new view. I have the following code: appDelegate *dataCenter = (AppDelegate*)[[UIApplication sharedApplication] delegate]; dataCenter.myVariable = [array objectAtIndex:indexPath.row]; in the didSelectRowAtIndexPath of the calling view. However, the issue that I have is that this variable is empty in the vewDidLoad function of the next view, simply because it fired off BEFORE the didSelectRowAtIndexPath of the calling view. I am using storyboard to link the views together. Both are UITableView. If I hit back and then reselect the table element it is then set, granted that by the time I hit back and then selected again, the variable got set. Is there any way to for the order of execution? I really don't want to do UI view switching on the back end. Any help is greatly appreciated!

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  • How to create a numbered bullet not in UIwebview but using UItextview

    - by Raviraj Peerbits II
    The format is similar to below text: 1. I need to create the bullet like this which would be helpful to me in my application and need someone to you to share the code with me. 2. Can you help me out and remember the UIwebview is not preferable because i dont have to execute the webviewwillload method. 3. Please find the best and easy way to approach this. 4. Also remember there should be indent spacing. Thanks in advance and its urgent for me.

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  • Settings cell selected background view removes backgroundview

    - by Chris
    I'm trying to set up custom UITableViewCells. I can set the backgroundView no problem, but if I set selectedBackgroundView, the cell's background becomes white and only the selected background is seen: - (void) createCell: (UITableViewCell*)cell onRow: (NSUInteger)row { UIImageView* bgImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"cell_background_red.png"]]; cell.backgroundView = bgImage; cell.selectedBackgroundView = bgImage; cell.textLabel.hidden = YES; UILabel* titleLabel = [[UILabel alloc] initWithFrame: CGRectMake(20, CGRectGetHeight(cell.frame) / 2, 200, 50)]; titleLabel.text = [[self.ruleList objectAtIndex: row] objectForKey: TitleKey]; titleLabel.backgroundColor = [UIColor clearColor]; [cell.contentView addSubview: titleLabel]; }

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  • iPhone - Adding new sections and rows into UITableView

    - by Dev
    I have a UITableView to display a list of data. The list will contain images, so I am loading images with lazy loading. Now I don't want to load the whole list at a time. The loading should be like, first it should load some 10 records and when we scrolling down to the tableview, it should automatically load next 10 records as on. For this I need to add rows when I am scrolling to bottom. The tableview may contain different sections. So how can I add new rows and new sections at the end of the tableview while scrolling down?

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  • Missing Localized Screenshots Error on itunes

    - by Arvind
    I have selected Default Language as "Australian English" as Default language. When I am submitting the binary it showing as rejected"Red Icon" with status "Missing Localized Screenshots". The application is in only single language. I have added screen shots also the application is only for iphone. When I am looking binary information that is showing as: Localizations : ( "en-AU" ) Please suggest me where I am making mistake.

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  • iphone app time counter

    - by Sam
    I would like to create a time counter in my app that shows the user how many minutes the app has been running the current session and total. How do I create such time counter and how do I save the value to the phone? I'm new to app developement.

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  • securing a webservice for use from a custom iphone app only

    - by mme
    I want to create an iphone application which consists of two parts: The app itself and a server side component. On a users request, the app sends data to the server which is to be handled by human operators. To prevent abuse from an iphone app user, the id of the iphone is sent along with the request, and the operators can blacklist pranksters to deny their iphone access to the service. So far so good. Now the problem is: Someone could easily discover the address of the serverside component, and write a script to send bogus requests, using multiple IP addresses etc. So my question is: how can I defend myself against this? Captchas to protect against scripted attacks or requiring the user to register himself are not an option for this particular application. If I had control of the download, I would associate a unique ID with each downloaded app, but obviously this is not an option with the appstore. What would be your approach to make the server side part more secure?

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  • Pass Variables In Inheritance (Obj - C)

    - by Marmik Shah
    I working on a project in Obj-C where i have a base class (ViewController) and a Derived Class (MultiPlayer). Now i have declared certain variables and properties in the base class. My properties are getting accessed from the derived class but im not able to access the variables (int,char and bool type). I'm completely new to Obj-C so i have no clue whats wrong. I have used the data types which are used in C and C++. Is there some specific way to declare variables in Obj-C?? If so, How? Here are my files ViewController.h #import <UIKit/UIKit.h> @interface ViewController : UIViewController @property (weak,nonatomic) IBOutlet UIImageView* backGroungImage; @property (strong,nonatomic) IBOutlet UIImageView *blockView1; @property (strong,nonatomic) IBOutlet UIImageView *blockView2; @property (strong,nonatomic) IBOutlet UIImageView *blockView3; @property (strong,nonatomic) IBOutlet UIImageView *blockView4; @property (strong,nonatomic) IBOutlet UIImageView *blockView5; @property (strong,nonatomic) IBOutlet UIImageView *blockView6; @property (strong,nonatomic) IBOutlet UIImageView *blockView7; @property (strong,nonatomic) IBOutlet UIImageView *blockView8; @property (strong,nonatomic) IBOutlet UIImageView *blockView9; @property (strong,nonatomic) UIImage *x; @property (strong,nonatomic) UIImage *O; @property (strong,nonatomic) IBOutlet UIImageView* back1; @property (strong,nonatomic) IBOutlet UIImageView* back2; @end ViewController.m #import "ViewController.h" @interface ViewController () @end @implementation ViewController int chooseTheBackground = 0; int movesToDecideXorO = 0; int winningArrayX[3]; int winningArrayO[3]; int blocksTotal[9] = {8,3,4,1,5,9,6,7,2}; int checkIfContentInBlocks[9] = {0,0,0,0,0,0,0,0,0}; char determineContentInBlocks[9] = {' ',' ',' ',' ',' ',' ',' ',' ',' '}; bool player1Win = false; bool player2Win = false; bool playerWin = false; bool computerWin = false; - (void)viewDidLoad { [super viewDidLoad]; if(chooseTheBackground==0) { UIImage* backImage = [UIImage imageNamed:@"MainBack1.png"]; _backGroungImage.image=backImage; } if(chooseTheBackground==1) { UIImage* backImage = [UIImage imageNamed:@"MainBack2.png"]; _backGroungImage.image=backImage; } } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end I am not able to use the above declared variables in my derived classes!

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  • How can I get the JSON array data from nsstring or byte in xcode 4.2?

    - by user1471568
    I'm trying to get values from nsdata class and doesn't work. here is my JSON data. { "count": 3, "item": [{ "id": "1", "latitude": "37.556811", "longitude": "126.922015", "imgUrl": "http://175.211.62.15/sample_res/1.jpg", "found": false }, { "id": "3", "latitude": "37.556203", "longitude": "126.922629", "imgUrl": "http://175.211.62.15/sample_res/3.jpg", "found": false }, { "id": "2", "latitude": "37.556985", "longitude": "126.92286", "imgUrl": "http://175.211.62.15/sample_res/2.jpg", "found": false }] } and here is my code -(NSDictionary *)getDataFromItemList { NSData *dataBody = [[NSData alloc] initWithBytes:buffer length:sizeof(buffer)]; NSDictionary *iTem = [[NSDictionary alloc]init]; iTem = [NSJSONSerialization JSONObjectWithData:dataBody options:NSJSONReadingMutableContainers error:nil]; NSLog(@"id = %@",[iTem objectForKey:@"id"]); //for Test output = [[NSString alloc] initWithBytes:buffer length:rangeHeader.length encoding:NSUTF8StringEncoding]; NSLog(@"%@",output); return iTem; } how can I access every value in the JSON? Please help me.

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  • Creation of model in core data on the fly

    - by user1740045
    How can we create a model in core data on the fly? I.e getting the schema of database from somewhere and then creating a Core Data Object graph? *QuesTion:* Yes thats fine, agreed with all the advantages. But, can anybody can tell practically, what is the benefit of integrating Core Data into project instead of using SQL directly. 1.No need to write SQL boiler plate code [but need to learn Core Data Model (steep curve)] 2.WE can undo and redo changes [but practically who needs it] 3.we can migrate to another schema [that can be done by SQLite as well jus need to add another field into table] 4.For say aggregation on some field in table,in Core Data we need to loop through Core Data Objects whereas in SQLite we need to first write SQLite Boiler Plate Code and then the basic aggregation SQL query,which is easy to write,only length of code will increase...But in case of Core Data (need to learn a lot). So apart from reducing the length of Code,does it actually adds value to project? or in terms of Memory Efficiency,Performance,etc.. PS: If anybody has actualy worked on Core Data(Model Creation On the Fly) , if possible share and gve pointers..thanks!

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  • Objective C: Using UIImage for Stroking

    - by SeongHo
    I am trying to apply a texture for my brush but i'm really having a hard time figuring how it is done. Here's the image of my output. I used an UIImage that just follows the touch on the screen but when i swipe it faster the result is on the right side "W", and on the left side that's the result when i swipe it slow. i tried using the CGContextMoveToPoint and CGContextAddLineToPoint i don't know how apply the texture. Is it possible to use UIImage for the stroke texture? Here's my code UIImage * brushImageTexture = [UIImage imageNamed:@"brushImage.png"]; [brushImagetexture drawAtPoint:CGPointMake(touchCurrentPosition.x, touchVurrentPosition.y) blendMode:blendMode alpha:1.0f];

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  • Objective C convention: When to use For and when to use With

    - by Howard
    According to the Apple guideline , seems it is confusing, e.g. for method viewWithTag In Java, I would have a method called getViewByTag // Java version, equivalent to viewWithTag in Obj-C But I also found there are some method like objectForKey, so why not just use objectWithKey instead? getObjectByKey or just get // Java version, equivalent to objectForKey, // but why not objectWithKey? Or not viewForKey above?

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  • How to obtain cocos2d-x 3.1 templates into XCode 5.x?

    - by Mayerz
    I cloned Cocos2d-x repo from github, everything works fine but I can't find how to install the Cocos2d templates into XCode. I saw that people were used to use this file, located at the root of the repo: ./install-templates-xcode.sh -f -u but it looks like this script file has been removed, any help appreciated. edit: Still no answer to this problem, even the slightest clues could help me. Are there still templates for XCode? Couldn't get answers from #cocos2d-x irc

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  • UITableView headings shown on top of MBProgressHUD

    - by Chris Ballinger
    So I have a subclass of UITableViewController that loads some data from the internet and uses MBProgressHUD during the loading process. I use the standard MBProgressHUD initialization. HUD = [[MBProgressHUD alloc] initWithView:self.view]; [self.view addSubview:HUD]; HUD.delegate = self; HUD.labelText = @"Loading"; [HUD show:YES]; This is the result: . Is there any way to resolve this issue, or should I just abandon MBProgressHUD? Thanks!

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  • How to set UITableViewCell highlighted image

    - by SmartTree
    I want to launch a method every time when user just highlights a cell (doesn't select it) in UITableView. Could you tell me please, how is it possible to do this ? I want to do it because I have a custom cell with a pictures on it and I want to change pictures every time when user highlights the cell. UPD: By highlight I mean that user just highlights a cell and don't release the finger from it. By select I mean when didSelectRowAtIndexPath is being launched (so the user releases the finger from the cell after he presses on it)

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  • Storyboard changing controller (modal) not working

    - by BrandNew
    I have problem with navigation between ViewControllers: here is my storyboard: http://postimg.org/image/dar9pkuvl/ The navigation between controllers in green rectangle works fine, I add to controller number 1 controller number 2 (by addtosubview) and then controllers number 3,4,5 to UIScrollView in controller number 2 ( controller number 2 contain scrollview). Everything work fine but if I click Send buttn on controller 4 nothing happens (It is strange because I was added connection between button and controller in the same way like between controllers 7 and 8). I know it is little bit confusing described, but I hope that someone tell me where is problem. Thanks

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  • how can I read only one value of my dictionary?

    - by Gianfranco Cotumaccio
    I created my own dictionary by taking the values ??from a json file in the dictionary I have a set of values??, the other can take them and use them, instead of these start with a brace can not seem to get them: weather = ( { description = "broken clouds"; icon = 04d; id = 803; main = Clouds; } ); Use this command to take the values ??in the Dictionary: NSString *currweather = myDict[@"weather"][@"main"]; The application quits when the launch. How can I fix?

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  • how to stop an app on heroku

    - by yuri
    I have an app on heroku which is being used by few users. However, I notice there are some data issues which i'd like to fix and stop the app in the mean time so users don't enter anything new. Is there a way to stop the app on heroku rather than destroying it? I see that restart server command is there ...though I don't see anything like 'stop'

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  • Get current location using CLLocationCoordinate2D

    - by Mobility
    I am trying to get current location of user using CLLocationCoordinate2D. I want the values in the format like CLLocationCoordinate2D start = {-28.078694,153.382844 }; So that I can use them like following: NSString *urlAddress = [NSString stringWithFormat:@"http://maps.google.com/?saddr=%1.6f,%1.6f&daddr=%1.6f,%1.6f", start.latitude, start.longitude, destination.latitude, destination.longitude]; I used CLLocation *location = [[CLLocation alloc]init ]; CLLocationDegrees currentLatitude = location.coordinate.latitude; CLLocationDegrees currentLongitude = location.coordinate.longitude; to get current lat & long. But I am getting 0.000 for both when I try to test. I am testing on iPhone 4s. If there is any sample code, it will be great.

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