[objective-c] Forum Topics

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 …

I am having trouble connecting my app to bluetooth low energy. I am trying to get the range and alerts for the app to the BLE. How do you write a value to a characteristic with a handle?

I am trying to send data from a UITableView into any type of database. I have 2 questions. 1: What type of database should I use (ex. MySQL, access)? 2: How will I transfer the database from a table view to the type of database I should use? PS: Please …

Hi ,i have a contact form made with xib file it works but i can't change the background color of the view programmatically i tryed with this but nothing, i know how to put an image background but i need to change the color on the fly how can i …

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'm working on this Objective c programming assignement I found online. I not sure what part C is asking me to do?. I have tried doing a,b and d. Any help or suggestion will be appreciated. Part 6 a) Implement class A with properties a1, a2, and a3 (int, string, …

I am learning objective-c my basic purpose if to development a msging client, please suggest me good site for lessons and help. Thanks.

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 All, I'm very new to Objective-C and I'm developing a "simple" app that just takes user input from a form. There are multiple forms; each is selected from a list, UITableView let's say. The forms have a lot of similar fields but some are different. My question is, do …

Hi All, I'm trying to setup a scroll for a UIView within a UIScrollView. My view hierarchy is: UIView (Controller) > UIScrollView > UIView (I'll call this subView from this point on) I have used the IB to set the layout. I set the top of the subView to be …

Hi guys, I'm hoping someone here can help. I am to develop an application for a project which keeps track of tennis scores. Having not been a tennis fan whatsoever during my life I am in need of some assistance developing the ontology (rules) for the apps logic. Can anyone …

Hi All, I'm trying to connect to a mysql database using the MySQL Connector from Oracle. I'm hitting my first issue of linking the libraries and was hoping that someone could nudge me in the right direction. What I have done so far: Downloaded mysql-connector-c-6.1.3-osx10.7-x86_64.dmg from http://dev.mysql.com/downloads/connector/c/ In XCode, in …

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 …

I have launched new project with storyboard and immediately delated .main, .h, .m files leaving behind Appdelegate h and m files. Then added .xib file and added table view. After running this app , table view was not getting displayed. Please help me to resolve this issue. # AppDelegate.h # …

By the way I have this declared in my .h file. Even if there is a string method for this I would like to know how I could do this. Here is my code. -(NSInteger) RetrieveAscCode:(NSString*) inchr{ NSString *chtable =@"0123456789.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; NSInteger scan; NSString *trim; trim = [inchr substringToIndex:1]; for(scan=0;scan<255;scan++){ if …

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! …

I am 11 years old and I love programming, I know: PHP (A little) , JavaScript , HTML , C , C++ and Java (Just started learning). I really wanna learn Objctive-C but I couldn't find good free tutorials. Can anyone please recommend me a Objective-C tutorial? Thank You!

Hi there! I am making a space invaders game for iphone with xcode. You can move the ship to the right or to the left when pressing the right or the left part of the window. The "enemies" appear randomly at the top of the window, but the problem is …

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.

Hello.... I am trying to create my first iphone app and I have decided to make a compass. I am trying to make the compass face a specific gps coordinate rather than facing north. Does anyone know how this is done or have any resources that I can use? Thanks!

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 …

Need help reading a csv to NSString and then to NSMutableArray. I need to output the name of a certain row base on car. file ex: car, bike, wheels toyota, mountainbike, rims .. .. ..