Programmatically get path to Application Support folder

Question

I'm trying to get an NSString for the user's Application Support folder.

I know I can do NSString *path = @"~/Library/Application Support"; but this doesn't seem very elegant. I've played around with using NSSearchPathForDirectoriesInDomains but it seems to be quite long-winded and creates several unnecessary objects (at least, my implementation of it does).

Is there a simple way to do this?

Solution 1

This is outdated, for current best practice use FileManager.default.urls(for:in:) as in the comment by @andyvn22 below.

the Best practice is to use NSSearchPathForDirectoriesInDomains with NSApplicationSupportDirectory as "long winded" as it may be.

Example:

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
NSString *applicationSupportDirectory = [paths firstObject];
NSLog(@"applicationSupportDirectory: '%@'", applicationSupportDirectory);

NSLog output:

applicationSupportDirectory: '/Volumes/User/me/Library/Application Support'

Solution 2

Swift:

print(NSHomeDirectory())

or

print(FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first)

and

let yourString = String(FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first)

Solution 3

Swift 3:

FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first

Solution 4

Just to be sure people will start using the recommended way of doing this:

- (NSArray<NSURL *> * _Nonnull)URLsForDirectory:(NSSearchPathDirectory)directory
                                      inDomains:(NSSearchPathDomainMask)domainMask

Expanded example from documentation:

- (NSURL*)applicationDataDirectory {
    NSFileManager* sharedFM = [NSFileManager defaultManager];
    NSArray* possibleURLs = [sharedFM URLsForDirectory:NSApplicationSupportDirectory
                                 inDomains:NSUserDomainMask];
    NSURL* appSupportDir = nil;
    NSURL* appDirectory = nil;

    if ([possibleURLs count] >= 1) {
        // Use the first directory (if multiple are returned)
        appSupportDir = [possibleURLs objectAtIndex:0];
    }

    // If a valid app support directory exists, add the
    // app's bundle ID to it to specify the final directory.
    if (appSupportDir) {
        NSString* appBundleID = [[NSBundle mainBundle] bundleIdentifier];
        appDirectory = [appSupportDir URLByAppendingPathComponent:appBundleID];
    }

    return appDirectory;
}

Proof link: https://developer.apple.com/library/ios/documentation/FileManagement/Conceptual/FileSystemProgrammingGuide/AccessingFilesandDirectories/AccessingFilesandDirectories.html#//apple_ref/doc/uid/TP40010672-CH3-SW3

Solution 5

This works for me:

NSError *error;
NSURL* appSupportDir = [[NSFileManager defaultManager]     
         URLForDirectory:NSApplicationSupportDirectory
                inDomain:NSUserDomainMask
       appropriateForURL:nil
                  create:YES
                   error:&error];

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