74 Unanswered Topics
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| | [Click Here](http://i.imgur.com/ka0Pnnr.jpg) I have a app having multiple Xib files calling in one main Xib and its class. I have added expand and collapse view which works on particular xib expand and collapse subviews as required and reduces/Expands Height too. This works well for one xib section when all tab … |
| | #import "Person.h" @class Asset; //i have used import "Asset.h" which contains definition for asset @interface Employee : Person { int employeeID; NSMutableArray *assets; } @property int employeeID; - (void)addAssetsObject:(Asset *)a; - (unsigned int)valueOfAssets; @end I got this snippet from objective c book. In the second line , author has used … |
| | this is my background http://s13.postimg.org/6zejiqc87/1429994667798.png in current code user can move sprite to any location, but I want the user to only move sprite to specific location. I have one Sprite (s1) I want to move it to specific position as you can see my background have line and dots … |
| | Recently I am facing too much issues in making the apple accept my app because of inapp purchases download failures. Is it possible that I submit a version which will fetch the inapp purchases ID's from my own server and than fetch the inapp purchases details from the apple. I … |
| | I'm trying to create simple game on xcode (swift) what I'm trying to do is moving player pieces from their positions how can I implement moving pieces from [number]positions to [number]positions for example from positions 1 to either 2 or 0 otherwise it get back to the previous positions more … |
 | My Objective is to define a function, with a pointer to a list of elements of the structure I created as the first parameter, a C-character string (of type char * ) as the second parameter and one of the of the two values,num or name, from the above enumeration … |
| | I am creating a contact program with python and wxpython. While creating the browsing function for my program I ran into a problem. I've been searching for hours trying to find a way to fix it. Unfortunately I haven't had any luck on fixing the error/problem. Here is the code … |
| | dear daniweb friends, i really need help. i want to parse a json from a file inside folder. that folder inside xcodeproj (not from URL). i use this code: dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ /*NSData* kivaData = [NSData dataWithContentsOfURL: [NSURL URLWithString:@"http://json.comli.com/reportTextEn.json"] ];*/ NSString *filePath = [[NSBundle mainBundle] pathForResource:@"reportTextEn" ofType:@"json"]; NSError *error = … |
| | im new in objective c.i have come out with the getter and setter but not sure is correct or not. .h #import <UIKit/UIKit.h> @interface ViewController : UIViewController @property(nonatomic, retain) NSString *myText; @property(nonatomic, copy) NSNumber *opacity; @property(nonatomic, assign) id delegate; @end .m #import "ViewController.h" @interface ViewController () @end @implementation ViewController @synthesize … |
| | I Have an NSButton and Im trying to get it to display the barber stripes sideways when the button is pressed. I can't redraw the NSRect, and was wondering if you had any clues on implementation? |
| | Hi i need help to solve this issue: refresh the first controller, UITableview and navigation bar for changing bg colors the color are set and it works i need only to refresh the app for update the app with the new colors i change the colors of my app clicking … |
| | Hi i've done an app and tested even on iphone 4s/5/ 6 in xcode 6 and it works on simulator if i test on a iphone 4s device ios 7.1 and 8 the scrolling doesnt't work on any pages and there is a static page that seems covered and i … |
| | how to auto logout an apps when user did not touch the screen for at least 2 minutes? i add this to AppDelegate.m : - (void)sendEvent:(UIEvent *)event { [super sendEvent:event]; // Only want to reset the timer on a Began touch or an Ended touch, to reduce the number of … |
| | Hi, i want to change the colors of my app clicking a button so when i click this button there's this code -(void)changestyle{ change=true; [self init]; } it refresh the first controller and change the toolbar background color and the bg color of the buttons but i know it's incorrect, … |
| | I keep running this code and it works until I press the button, `findShapeCalc()`, and then I get EXC_BAD_INSTRUCTION in the main.swift at the line `NSApplicationMain(C_ARGC, C_ARGV)`. Why does this keep happening? Code in question: import Cocoa class ViewController: NSViewController { @IBOutlet var dropDown : NSPopUpButton @IBOutlet var length : … |
| | Hi, i have a UITableview filled by an xml it works, but if i load the cell from xib file and set the height of the cell to 196 the rows don't fit the view and from the third cell they are invisible becouse there isn't scrolling how could i … |
| | Hi in my app there is an image thumbnail for each table cell it works but when the image there isn't for that row i'd like to show a default image the image url is retrieved from an html string and put into an array could you help me to … |
| | Hi if i would make an app for manipulating images , something similar to a little photoshop for ios, are there any frameworks to use that could help me? what i have to study? or is it to write km of code from the ground up? thank you |
| | i am working on a view controller that contains two picker views (`FromCur` ,`ToCur`). those picker views are filled by an xml parser . althoughthe `NSLog` in the Title for row function is not giving me a null answer , the picker views displays a question mark. i have been … |
 | Hi., I have more than 10 products (Non-consuable with hosted content) in my ios app. I want to add an option purchase all items. Is there any possible ways to purchase all products in a single buy option (including downloads). Thanks |
 | Hi All, I have this code in my tableView; - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { YFRFormViewController *formViewController = [[YFRFormViewController alloc] init]; NSArray *campaigns = [[YFRCampaigns currentCampaigns] allCampaigns]; YFRCampaignForm *selectedCampaign = campaigns[indexPath.row]; // Give formViewController a pointer to the item object in row formViewController.campaignForm = selectedCampaign; // Push it onto the … |
| | My project is on base SDK 10.6 built in Xcode 3 - it’s important that it is a universal binary that also works with PPC. In 10.9 my application has really jerky scrolling compared to Safari - if I add [self setWantsLayer:YES]; the scrolling is super fast like Safari, great! … |
| | anybody can help me do it?.. The objective of this assignment is to refresh and enhance the skills of the students in problem solving involving functions, arrays, classes and others using the C++ programming language. Students MUST use the inheritance and polymorphism concepts in the OOP. Students are required to … |
| | Hi., I'm using cordova2.9.0 in my ios app, from CDVReachability.m file, i tried to check internet status with url for my ipad simulator as well device. But it shows status wrongly [My network is connected through sonic firewall login]. Any help? CDVReachability *isReachable = [CDVReachability reachabilityWithAddress:@"http://www.google.com/"]; // CDVReachability *isReachable = … |
| | I want to Retrieve data from Webservice into objective c and bind it to NSTableview. can you please help me out with a complete steps of code. |
| | Hi, I have a table view controll whihc has 3 views. in one view I have a button. When the button is pressed another differnt view is loaded. This works fine, but when I go back and try to click the one of the main view the view from the … |
| | Kindly help me to resolve this issue. I'm using Xcode 5.0 and options (such as check/uncheck storyboard )are not getting displayed whenever I launch new project with single view application. p.s: I used to get above mentioned option till yesterday. |
| | Hello, I'm really interested in developing apps for iOS. I do already have everything setup and I'm ready to start programming. What I'm curious about is; Is it worth buying the apple developer account already? I don't have anything ready to release yet, but I have read that they also … |
 | hi every one ! i'm sorry to be so bothering but i really don't know how to solve my problem here: Mathematically, the placement problem of testers into the right nodes) can be modeled by merging the two introduced knapsack variants: multidimensional and multiple knapsack problems. The obtained model is … |
| | Hello all, I have a MKMapView that is having a very strange problem which is kind of hard to explain. I have an MKOverlay that is saved between sessions by saving the points of the overlay to a file and loading the overlay in viewDidLoad. So here's the problem: Steps … |
| | Hi I'm in need of some help here please. What i need the app to do. I'm trying to create an iPhone app. What i'm trying to do is get the iPhone camera to scan 2 letters and 6 numbers (e.g. JH847593) then send that id number off to a … |
| | hey there, I´m working on xCode, and theres a problem i don´t know how to solve it. in my main.m funktion is a error: thread 1: signal SIGABRT int main(int argc, char *argv[]) { @autoreleasepool { return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); <---- thread 1: signal SIGABRT } } could … |
| | I have a NSView subclass TimeCircle which is the controller of my custom view. In TimeCircle there are several drawings taking place depending on the state of button butStart which is toogle type. The button is connected correctly to TimeCircle. I have the problem that I can´t get **[butStart state]** … |
| | NavigationController.h #import <UIKit/UIKit.h> @protocol NavigationControllerDelegate; @interface NavigationController : UINavigationController<UINavigationControllerDelegate> @property (nonatomic , assign)id<NavigationControllerDelegate , UINavigationControllerDelegate> delegate; -(void)cancelImagePicker:(id)sender; @end @protocol NavigationControllerDelegate <NSObject> - (void)mediaPickerController:(NavigationController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info; - (void)mediaPickerControllerDidCancel:(NavigationController *)picker; @end NavigationController.m #import "NavigationController.h" #import "DataViewController.h" @interface NavigationController () @end @implementation NavigationController @synthesize delegate; -(id)init{ UIViewController *controller = [[DataViewController alloc]initWithNibName:@"DataViewController" bundle:nil]; … |
| | I have my app running with 2 annotations for now. They are hardcoded in with latitude and longitude. How do I make it so that I let the user add annotations by dropping a pin where they wish and for my app to recognize this and save where they drop … |
| | Hi there! I'm having trouble understanding the following in Stephen Kochan's book "Programming in Objective-C" - 4th Edition. I hope that you can help me understand it. In Chapter 10 on the section on "Initialising Objects", Stephen writes: "You should adhere to the following two strategies when writing initialisers. It … |
| | Hello , I'm trying to solve a "known problem" in XPath 1.0 . From [msdn](http://msdn.microsoft.com/en-us/library/bb341675.aspx) : "***Although the ordering of returned collections is not specified in the XML XPath Language 1.0 Recommendation, this extension method returns nodes in document order. Note that nodes are returned in document order even when … |
| | I am going to Develope an iOS Application in which i need to utilize my online Database. How can i fetch online Database and update that with the Database in my Application? At the same time i want to update the online Database through Admin Panel please Guide me a … |
| | This is my code: [CODE]//++++++++++++++++++++++++++++++++++++++++++++++++++++++++ - (void)viewDidLoad { [super viewDidLoad]; NSString *indexPath = [NSBundle pathForResource:@"iHelp" ofType:@"html" inDirectory:nil]; [webView loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:indexPath]]]; [/CODE] The app is crashing because 'nil' for directory name is invalid (DUH!). So for an imbedded html file, what should go there? |
| | Hello I previously created an iPhone app that displayed the top trending topics on Twitter. The user could drill down into the tweets about that topic before selecting an individual tweet that would launch the twitter page for that tweet displayed in an in app webpage. However Twitter has recently … |
| | Hi! I think the title is quite clear, but is there a way (I'm using Xcode 4) to auto generate the methods defined in a c++ header file to a cpp file? I just want empty methods that are compatible with the definitions in the header. Can't find anything on … |
| | [code=asp.net] Hello! i have two datalist controls, datalist1 which is the parent control and datalist2 which is the child control. They are both retrieving data from two related tables(primary/foreign). I want both datalists to respond to one edit, cancel, update and delete button, which are on the parent/outer datalist control. … |
| | Hi, I'm having a major problem with passing GCC link flags in Xcode. I created a C program that creates and runs a neural network using the FANN library. When I compile this command line I use the command [CODE]gcc main.c -o train_test -l fann[/CODE] to link the fann library … |
| | The app I'm currently working on is suppose to overlay a square image. The square image should overlay on preview camera screen wherever the user touches the screen. And it should also appear on the image captured by the user. I'm having hard time figuring this out. Guidance would be … |
| | I'm trying to make a camera app using AVCaptureSession. For now I just want to see if the video input works or not. But it looks like there is no input and I can't seem to understand why. - (void)viewDidLoad { [super viewDidLoad]; session = [[AVCaptureSession alloc] init]; [self addVideoPreviewLayer]; … |
| | Hi guys. I am making a program in c# which uses several forms. It my first time doing this so im a bit clueless. I have a main form and a second one. The main asks the user to enter a number between 1- 25. When they press enter It … |
| | Hello, Codility now supports Objective-C, check it out: [url]http://codility.com/demo/take-sample-test/[/url] , feedback welcome. |
| | Hi everyone I have this project for my programming class and would appreciate it if someone could point me in the right direction. The objective of the lab is to write a C program that will be able to solve a boolean formula and print all the satisfying assignments. This … |
| | How do I authenticate a .aspx page in objective-c? I've googled and viewed countless results to no avail. I found something about NSURLCredentials but nothing helpful. Any pointers would be very much appreciated. |
 | [CODE]int realX = winSize.width + (projectile.contentSize.width/2); float ratio = (float) offY / (float) offX; int realY = (realX * ratio) + projectile.position.y; CGPoint realDest = ccp(realX, realY); [_projectiles addObject:projectile]; projectile.tag = 2; [projectile runAction:[CCSequence actions: [CCMoveTo actionWithDuration:realMoveDuration position:realDest], [CCCallFuncN actionWithTarget:self selector:@selector(spriteMoveFinished:)], nil]];[/CODE] In this simple app, I am trying to … |
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