objective-c

Is there any method that calls automatically when we click on to the textview?

Hi Guys, I need a help from ur side. Actually I need to call a method automatically when I click on to the textview. Is there any delegate methods or any other process for this. Anyone's help will be much appreciated. Thank you, Monish. ...

EXC_BAD_ACCESS on [error localizedDescription];

This Code trows an EXC_BAD_ACCESS: NSError* error; if(![appdelegate.managedObjectContext countForFetchRequest:request error:&error]) { DLog(@"Failed to save to data store: %@", [error localizedDescription]); NSArray* detailedErrors = [[error userInfo] objectForKey:NSDetailedErrorsKey]; if(detailedErrors != n...

CTFramesetter with non-rectangular path

May CTFramesetter have a non-rectangular frame/path? So far all tests causes crash whenever the path is not rectangular... ...

Getting info from NSData object

How would I get returningResponse (into say, a NSString) from the following code: NSURLResponse* response; NSError* error; NSData* result = [NSURLConnection sendSynchronousRequest:theRequest returningResponse:&response error:&error]; I think I can get the info that I need into a string but I can't call anything on response because it'...

How to avoid piracy in iPhone apps by server side validation?

As par my app requirement, there is a couple of scenarios that I need to handle. Scenario 1: To avoid piracy, I want to include some piece of code, whose job is sending both IMEI and Serial number of IPhone. Scenario 2: At server side, I've a database, which has a list of both IMEI and Serial No info. Here I wanna validate both IMEI an...

Xcode is not calling asp.net webservice

I have oracle database and using webservice i want to insert some records in to it So i created webservice in asp.net as follows public bool PickPill(string Me_id, string Mem_device_id, string Test_datetime, string Creation_id, string PillBayNo) { string Hed_seq_id = Hed_seq_Id(); bool ResultHED = InsHealthEData(Hed...

How to connect Model through Controller to View using bindings?

I have an NSTextField in my view. Its value is bound to an NSNumber *number in my controller. The controller simply calls through to the model (value) to get the appropriate value. // In the controller - (NSNumber *)number { return [NSNumber numberWithFloat:[model value]]; } - (void)setNumber:(NSNumber *)aNumber { [model setValu...

Leak in NSScanner category method

I created an NSScanner category method that shows a leak in instruments. - (BOOL)scanBetweenPrefix:(NSString *)prefix andSuffix:(NSString *)suffix intoString:(NSString **)value { NSCharacterSet *charactersToBeSkipped = [self charactersToBeSkipped]; [self setCharactersToBeSkipped:nil]; BOOL ...

Duplicate a UITableViewCell - iPhone

Hi everyone, I would like to create an effect to a cell of a UITableView. The effect is: duplicate the cell and move the duplicated cell (the original stays at its place). My problem is to duplicate the cell... I've tried: Code: UITableViewCell *animatedCell = [[UITableViewCell alloc] init]; animatedCell = [[self cellForRowAtIndexPath...

Adding methods to an Objective C class interface is optional?

Coming from a C++ background, one thing that confuses me about Objective C is the fact that you can add a method to a class without actually specifying it in the class interface. So I had a barrage of questions: Why would someone choose to not add the method in the class interface? Is it simply because of visibility? Methods without ...

Does iPhone SDK Objective C support functions inside of functions?

I know that javascript, for example supports functions inside of functions, like so: function doSomething(){ function doAnothingThing(){ //this function is redefined every time doSomething() is called and only exists inside doSomething() } //you can also stick it inside of conditions if(yes){ function doSomethingE...

How do I use comma-separated-values received from a URL query in Objective-c?

How do I use comma-separated-values received from a URL query in Objective-c? when I query the URL I get csv such as ("OMRUAH=X",20.741,"3/16/2010","1:52pm",20.7226,20.7594). How do I capture and use this for my application? ...

Checking if a file exists in the App folder.

Hey you lot (again), I was wondering if anyone knew a fast and easy way to see if a file (namely a textfile), exists inside the App folder? And how to handle an Error correctly if the file doesn't exist. Help would be grand! :) ty! ...

Cocoa - array not sorting?

I have this set NSMutableSet *mySet = [NSMutableSet setWithObjects: @"2", @"8", @"7", @"0", @"3", nil]; I copy the set to an array and sort it using NSArray *sortedArray = [[mySet allObjects] sortedArrayUsingSelector:@selector(compare:)]; The resulting array is in exactly the same order as the set and is not being sorted. Why? tha...

Calling javascript from objective-c code

Hello! I found a lots of ways to call objective-c code from javascript, but I want to call the javascript code from objective-c. Last time I submitted a HTML FORM from objective-c, and now I wan't to call a javascript method. What do you think, is there any way to call it and get the response? I am interested in any solution, but I star...

Resizing UIView to match its content

I have a UITextField, a UIButton, and a UIWebView nested in a UIView, which is nested in a UIScrollView. After the UIWebView has loaded its content, I need it to resize the UIWebView and UIView so that the UIScrollView will scroll. I currently have the UIScrollView getting its contentSize from the UIView, but I can't figure out how to d...

Trouble using opaque pointers in Objective C++

The answer to this quesion explains that opaque pointers are a good way to include C++ member variables in an Objective C++ header. I'm getting compile errors when trying to follow the example. Here's the relevant code from my header, with the corresponding compiler errors shown as comments: struct ADSR_opaque; // error: forward declara...

Objective-C wrapper API design methodology

I know there's no one answer to this question, but I'd like to get people's thoughts on how they would approach the situation. I'm writing an Objective-C wrapper to a C library. My goals are: 1) The wrapper use Objective-C objects. For example, if the C API defines a parameter such as char *name, the Objective-C API should use name:(...

dyld: Library not loaded: /System/Library/Frameworks/UIKit.framework/UIKit

Hi All, Please bear with me, newbie just learning the ropes. I am getting the below message, when I try and run my app, it quiets, but then does let me re-open fine after the first quit. I tried a few things and if I turn on if i 'activate breakpoints' it all works fine... Tried a few suggestions, 'deleting build folder', 'restarting...

Get TopLeft and BottomRight from MKCoordinateRegion MKMapView

I checked the properties in documentation for MKCoordinateRegion, MKCoordinateSpan and MKMapView to see there is a way to get the TopLeft and BottomRight Lat Long from the map view and I didn't find any. I know that the span gives me the Lat long delta but is there a way to get the actual TopLeft and BottomRight lat longs from map view w...