Apple's suite of functions in CoreFoundation for string-handling. Toll-free bridged with NSString
Questions tagged [cfstring]
107 questions
0
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How get seperated lines inside a CFString?
I want a good way for seperating lines inside a huge string. I searched and found this article:
https://medium.com/@sorenlind/three-ways-to-enumerate-the-words-in-a-string-using-swift-7da5504f0062
Base on this article I want use CFStringTokenizer.…
Mohammad Eslami
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1 answer
CFString isNaturallyRTL - message sent to deallocated instance
I already googled for "CFString isNaturallyRTL" with 0 results.
these are my classes:
//in .H
@interface myViewController : UIViewController {
UITextField *from;
UITextField *to;
NSString *fromText;
NSString *toText;
}
@property (nonatomic, retain)…
elp
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votes
1 answer
CFStringCreateWithCString returns null for string w/ less than 10 characters
I'm trying to create a new CFStringRef from a const char* at runtime, but CFStringCreateWithCString returns null for all strings shorter than 10 characters:
// Test w/ 9-character string
CFStringRef str1 = CFStringCreateWithCString(NULL,…
lukas
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1 answer
Memory management when using CFStrings from de AddressBook
I am reading records from the AddressBook using the Apple provided API.
I am still getting my head around memory management and so CFStrings are confusing me at the moment.
This is how I am getting the properties:
//Get Basic properties
NSString*…
Zebs
- 5,378
- 2
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- 49
0
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0 answers
Sending a UIImage over a simple socket as a CFString
I was trying to send a UIImage over a simple socket that only accepts CFString for passing data.
I tried converting the UIImage into NSData into NSString into CFString and back, but the final UIImage is always nil.
Conversion:
NSData *dataImage =…
gran_profaci
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- 99
0
votes
1 answer
Trying to append a string to another string from a NSTextField for printing on a PDF file
I have a method that saves the customer data entered in on the form that calls a method to createPDFFile. I have the PDF file created and I have some filler strings in there currently so that I could lay out the PDF file and I now want to take the…
Beanno1116
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votes
1 answer
NSString* to CFStringRef results in useless char array
I have the following code snippet:
-(CFStringRef)setupFileName:(NSString*)_name :(NSString*)_extension
{
NSString* tmpName = [_name stringByAppendingString:_extension];
CFStringRef ref = (__bridge CFStringRef)tmpName;
return ref;
}
When I break at…
easysaesch
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- 14
0
votes
2 answers
how to retrieve CFStringEncoding in Swift other than CFStringGetSystemEncoding()?
let cStringRef : CFStringRef = CFStringCreateWithCString(nil, NSBundle.mainBundle().pathForResource("Luffy", ofType: "mp3")! , kCFStringEncodingMacRoman)
this encoding isn't working, though it is present in the Documentation.
to get MacRoman, I…
Krishna
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1 answer
CFStringRef release gives bad access when it is nil
ABMultiValueRef phonesRef = ABRecordCopyValue(person, kABPersonPhoneProperty);
for (int i=0; i < ABMultiValueGetCount(phonesRef); i++)
{
CFStringRef currentPhoneLabel = ABMultiValueCopyLabelAtIndex(phonesRef, i);
CFStringRef…
Paras Gorasiya
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0
votes
1 answer
Returning NSString, Error Message: Variable is not CFString
i shortly started Programming Mac OS X Applications with Cocoa, so its a realy New bee question. Sorry about this.
At first my code snippet:
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn…
Dennis Stritzke
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0
votes
1 answer
CFStringRef change color in Objective-c
Is it possible to change the color for a CFStringRef?
I want to have the text red for example, by default is black, how can I change this?
I tried this:
-(void)drawText:(NSString*)textToDraw inFrame:(CGRect)frameRect
{
CFStringRef stringRef =…
Adina Marin
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0
votes
1 answer
Cannot invoke 'UTTypeEqual' with an argument list of type '(CFString!, CFString!)'
How do I get this to compile?
On the second line of this function:
func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [NSObject : AnyObject]) {
let mediaType = info[UIImagePickerControllerMediaType]…
ma11hew28
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votes
1 answer
Convert NSArray to CFStringRef *
I need a way to convert an NSArray to a null terminated list compatible with the arguments option of DADiskMountWithArguments.
The documentation specifies the argument option to be a "Null terminated list" of type CFStringRef arguments[].
I have…
Erik Berglund
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0
votes
1 answer
Why is my UILabel getting deallocated?
Im trying to track down the source of a crash. I've profiled the app to look for zombies and it appears to be related to updating the text in one of my UILabels. I don't think I am setting the text value improperly. Does this look right?
This is…
Youngin
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0 answers
iOS memory leaks. CFString and Unity
When I run my game made with unity with the xCode at the beginning it looks ok (main menu + intro). But when I load the first level the memory usage grows until 300MB (just 40MB when I load it on the Unity editor).
Using Instruments, in the…
Javier
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