- (void)applicationDidFinishLaunching:(NSNotification *)aNotification 
{
    // Insert code here to initialize your application

    NSArray *pathComponents = [[[NSBundle mainBundle] bundlePath] pathComponents];
    pathComponents = [pathComponents subarrayWithRange:NSMakeRange(0, [pathComponents count] - 4)];
    NSString *path = [NSString pathWithComponents:pathComponents];
    [[NSWorkspace sharedWorkspace] launchApplication:path];
    [NSApp terminate:nil];
} 

 class LoginItemsList : NSObject {

let loginItemsList : LSSharedFileList = LSSharedFileListCreate(nil, kLSSharedFileListSessionLoginItems.takeRetainedValue(), nil).takeRetainedValue();



func addLoginItem(_ path: CFURL) -> Bool {

    if(getLoginItem(path) != nil) {
        print("Login Item has already been added to the list."); 
        return true;
    }

    var path : CFURL = CFURLCreateWithString(nil, "file:///Applications/Safari.app" as CFString, nil);
    print("Path adding to Login Item list is: ", path);

    // add new Login Item at the end of Login Items list
    if let loginItem = LSSharedFileListInsertItemURL(loginItemsList,
                                                      getLastLoginItemInList(),
                                                      nil, nil,
                                                      path,
                                                      nil, nil) {
        print("Added login item is: ", loginItem);
        return true;
    }

    return false;
}


func removeLoginItem(_ path: CFURL) -> Bool {

    // remove Login Item from the Login Items list 
    if let oldLoginItem = getLoginItem(path) {
        print("Old login item is: ", oldLoginItem);
        if(LSSharedFileListItemRemove(loginItemsList, oldLoginItem) == noErr) {
            return true;
        }
        return false;
    }
    print("Login Item for given path not found in the list."); 
    return true;
}


func getLoginItem(_ path : CFURL) -> LSSharedFileListItem! {

    var path : CFURL = CFURLCreateWithString(nil, "file:///Applications/Safari.app" as CFString, nil);


    // Copy all login items in the list
    let loginItems : NSArray = LSSharedFileListCopySnapshot(loginItemsList, nil).takeRetainedValue();

    var foundLoginItem : LSSharedFileListItem?;
    var nextItemUrl : Unmanaged<CFURL>?;

    // Iterate through login items to find one for given path
    print("App URL: ", path);
    for var i in (0..<loginItems.count)  // CFArrayGetCount(loginItems)
    {

        var nextLoginItem : LSSharedFileListItem = loginItems.object(at: i) as! LSSharedFileListItem; // CFArrayGetValueAtIndex(loginItems, i).;


        if(LSSharedFileListItemResolve(nextLoginItem, 0, &nextItemUrl, nil) == noErr) {



            print("Next login item URL: ", nextItemUrl!.takeUnretainedValue());
            // compare searched item URL passed in argument with next item URL
            if(nextItemUrl!.takeRetainedValue() == path) {
                foundLoginItem = nextLoginItem;
            }
        }
    }

    return foundLoginItem;
}

func getLastLoginItemInList() -> LSSharedFileListItem! {

    // Copy all login items in the list
    let loginItems : NSArray = LSSharedFileListCopySnapshot(loginItemsList, nil).takeRetainedValue() as NSArray;
    if(loginItems.count > 0) {
        let lastLoginItem = loginItems.lastObject as! LSSharedFileListItem;

        print("Last login item is: ", lastLoginItem);
        return lastLoginItem
    }

    return kLSSharedFileListItemBeforeFirst.takeRetainedValue();
}

func isLoginItemInList(_ path : CFURL) -> Bool {

    if(getLoginItem(path) != nil) {
        return true;
    }

    return false;
}

static func appPath() -> CFURL {

    return NSURL.fileURL(withPath: Bundle.main.bundlePath) as CFURL;
}

 }

  let loginItemsList = LoginItemsList();

    if( checkboxButton.state == 0) {
        if(!loginItemsList.removeLoginItem(LoginItemsList.appPath())) {
            print("Error while removing Login Item from the list.");
        }
    } else {
        if(!loginItemsList.addLoginItem(LoginItemsList.appPath())) {
            print("Error while adding Login Item to the list.");
        }
    }