I'm playing around with the openSSL library and it requires me to brush up on pointers, and I'm having difficulty. I have a objective-c method: -(unsigned char *)encryptTake1:(unsigned char *)input inputLength:(int)inLen outputLength:(int*)outLen; It takes some data, encrypts it and returns a pointer to the data and the length of the...
i recently downloaded the iphone sdk which came with xcode. what i wanna know from ur experience is that aside from iphone development is app development for mac making any money from anyone? ive been a web developer for a long time and wanna get into software development primarily on apple devices. what type on applications are in deman...
I'm including the netinet headers and doing some raw socket programming on the iPhone, and have found when making these calls, the UI won't refresh until I'm finished- any response I get and write to the UI, isn't written until the IBAction that made the call is complete. Using performSelector with a delay, I've been able to work around ...
Hi, first of all please let me say that I am quite new to objective c development. I am writing a small app for personal use for the iphone, but I have some problems executing the following code: NSString *sql = [[NSString alloc] initWithFormat:@"select color_r, color_g, color_b from Calendar where ROWID = %@", [calendarsID objectForKe...
NSString *temp = [self randomBallPick:temp]; the following error: Pass-by-value argument in message expression is undefined why? -(NSString*) randomBallPick:(NSString*) oneFilename { //create an array of filenames NSMutableArray *imageArray = [[NSMutableArray alloc] init]; for (int c=0;c<37;c++) { NSString *imag...
I know how to do Unit Test on iPhone - the logic tests which run during build phase of the "iPhone Unit Test Bundle". I know how to detect memory leaks using instruments - in XCode, Menu->Run->run with perf tools->Leaks. How do I do both? I want to run the unit tests and detect memory leaks in them. If I try to simply select unit-test ...
When a user uploads something via my app, I create an ASIFormDataRequest object to make the POST. When the user is offline, I would like to write a ASIFormDataRequest object to file and send it later. Is there a built in way to serialize an object like this in Objective C, or do I have to write something from scratch? ...
In the following, how can I send two arguments in togButton method? I tried, but it did not work. [button addTarget:self action:@selector(togButton:) forControlEvents:UIControlEventTouchUpInside]; ...
What is the use of returning an integer for main in Objective-C programs. ...
-(IBAction)shareList:(id)sender { MFMailComposeViewController *controller = [[MFMailComposeViewController alloc] init]; controller.mailComposeDelegate = self; [controller setSubject:@"Share Shopping List "]; [controller setMessageBody:@"Friend Shopping List Table" isHTML:NO]; [self presentModalViewController:controller animated:YES]...
Hi all, how to use how to use NSRunLoop in objective-C and wait for some variable to change value ? Thanks ...
I have an unusual problem where I have a list of fruits (apple, orange, banana, grapes, etc etc). They can be organized into small groups for example: Group 1: apple, green_apple, pineapple Group 2: grapes, banana, strawberries, apple Group 3: orange, grapes, green_apple Each group is then associated with a price. So Group 1->9.99, Gr...
Hi everyone I know in Cocoa to make a string bold is using this myLabel.font = [UIFont boldSytemFontofSize:16]; but what about in Cocos2D? I can't find any method to make the string bold Please help me out Thanks ...
Hello all, i want to detect heart rate using iphone sdk does someone knows any method for calculating heartbeat rate? ...
For a project I must create a little buddy app that will read the content of one of the main app's text fields. Is there a way to get to the contents of a window/control (I'm interested in the text of the text field) on OS X? Something like GetDlgItemText() on Windows where I just pass the control's global handle and will get the contr...
Is there anyway to get more detailed error data back from "createFileAtPath" I was kind of expecting an NSError? Currently I am using the BOOL return value. success = [fileMan createFileAtPath:fileOnDisk contents:dBuffer attributes:nil]; if(success == YES) NSLog(@"FileCreated"); else { NSLog(@"ERROR: Failed to create file"); ret...
I have localization in my app(english,spanish,italian).The client sent me strings files but some characters are strange how do i correct them? i have figured out that the client used Mac OS Roman encoding how do i convert this to utf-8. for example Nürnberg is converted into N√ºrnberg when client send me now i want to reconvert it. ...
hi, i have questions regarding the shake detection that posted here before, here is a reminder: "Now ... I wanted to do something similar (in iPhone OS 3.0+), only in my case I wanted it app-wide so I could alert various parts of the app when a shake occurred. Here's what I ended up doing. First, I subclassed UIWindow. This is easy pea...
I'm trying to build an NSTextView that can take "marked up" input that is automatically translated into beautiful RTF-style text while the user types. The idea is to let the user enter text in "plain text" format, but to "beautify" it on the spot, e.g. H1 A quick list: * first item * second item would be translated into a first line ...
How do we display percentage character in objective-c? I am using this: [NSString localizedStringWithFormat:@"%.2f %", percentageQs] But for some reason, it doesn't recognize the %. thought i could escape it using this \ but i was so wrong. ...