Hi, I am trying to return the list of directories present in an app's Documents directory. I am able to get an array containing all files of a given extension (eg .txt files or .png files) and am able to return all contents (including directories). The problem arises when I want to return only the directories. Is there a simple way of ...
Just a quick one... I'm creating a folder to cache images inside Documents with my iPhone App. I want to be able to keep the size of this folder down to 1MB, so I need to to check the size in bytes of my folder. I have code to calculate the size of file, but I need the size of the folder. What would be the best way to do this? Will ...
I can't seem to find any documentation on this. Is there a limit to the number of characters that can be used in a filename and/or is there a restriction on what characters can be used in a file name saved by an iPhone app? Thanks. ...
Hi, I get a negaitve number from trying to use this function can anyone help. see code below NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:dbPath error:Error]; NSDictionary *fileSysAttributes = [fileManager fileSystemAttributesAtPath:dbPath]; NSNumber *FileSize = [fileAttributes objectForKey:NSFileSize]; NSNumber...
I am working on an iPhone project in which I need save camera images to disk and file but the code below fails: (**** -(void)imagePickerController:(UIImagePickerController *) picker didFinishPickingMediaWithInfo:(NSDictionary *)info { [picker dismissModalViewControllerAnimated:YES]; imageView.image = [info objectForKey:@"UIImagePicker...
NSFilemanager is returning true for the following, when there should not be any such file there yet. What is happening? if([myManager fileExistsAtPath:[[self documentsDirectory] stringByAppendingPathComponent:@"Music/songlist.txt"]]){ NSLog(@"file is there"); } ...
I was planning on writing some code whose logic was based upon testing the creation date of a particular file in my app's Documents folder. Turns out, when I call -[NSFileManager attributesOfItemAtPath:error:], NSFileCreationDate isn't one of the provided attributes. Is there no way to discover a file's creation date? Thanks. ...
I have a plist file in my resources group in xcode. I am trying to copy this into my documents directory on app launch. I am using the following code (taken from a sqlite tutorial): BOOL success; NSError *error; NSFileManager *fileManager = [NSFileManager defaultManager]; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentD...
Apparently, NSFileManager is unable to delete files created by mkstemp(). Here's some test code to demonstrate this: char pathCString[] = "/tmp/temp.XXXXXX"; int fileDescriptor = mkstemp(pathCString); if (fileDescriptor == -1) { NSLog(@"mkstemp failed"); } else { close(fileDescriptor); NSURL *url = [NSURL URLWithString:[NSSt...
I use NSData to persist an image in my application. I save the image like so (in my App Delegate): - (void)applicationWillTerminate:(UIApplication *)application { NSLog(@"Saving data"); NSData *data = UIImagePNGRepresentation([[viewController.myViewController myImage]image]); //Write the file out! NSArray *paths = NSSe...
I need to load a video stored in Applications folder in to a table view. When I touched the cell the video plays. I used the following code to get all the video files in to an array. NSFileManager *fileManager = [NSFileManager defaultManager]; NSArray* contents = [fileManager directoryContentsAtPath:@"/Users/srikanth/Desktop/...
Hi, is the iPhone's filesystem or the use of NSFilemanager restricted to any characters or is everything allowed (this is what I'm currently assuming after doing some research). ...
I have been reading alot on iPhone read/writing and I believe that everything I have is correct but for some reason it isn't working the way it should. code is as follows NSString *docsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0]; NSString *filePath = [docsDirectory str...
I have this code in a method called from applicationDidFinishLaunching. It works in the simulator, but crashes on the iPhone. There are about 1,600 2KB mp3 files being copied in this operation. If I try to instantiate the app multiple times, it will eventually copy more each time until the app eventually will start without crashing. I am...
Hi All, How to get the Content-Type for any file in ObjectiveC ? I can then set the "Content-Type" header while sending the file to any web server. Thanks ...
How do you delete all the contents of a directory without deleting the directory itself? I want to basically empty a folder yet leave it (and the permissions) intact. ...
I am trying to count entire files in a directory, including subdirectories. This is what I have to count files in the first folder: -(NSString *)numberOfPhotos { NSString *MyPath = @"/rootdirectory/"; NSArray *directoryContent = [[NSFileManager defaultManager] directoryContentsAtPath:MyPath]; return [NSString stringWithFo...
Hi, I need to copy a few sample files from my app's resource folder and place them in my app's document folder. I came up with the attached code, it compiles fine but it doesn't work. All the directories I refer to do exist. I'm not quite sure what I am doing wrong, could someone point me in the right direction please? NSFileManager*ma...
I want to check a file on the server only once each day (NSURL). And, no matter if I fetch the file or not, I do not run the function (to check for the file) again that day. This would SEEM easy... but I forsee issues. Say I had created a directory under the mainBundle: "/Library/runOnceEachDay/". Perhaps I could write to /Library/ru...
Hello, I am working as an Iphone developer since 5 months but never ever i have used NSfilemanager class. Apple has documentation but still i am not cleared about its use. My question is that can anybody tell me(with example) how and when to use the NSfilemanager class ? Any help will be appreciated. Thanks. ...