mac app Start at login

gistfile1.m

-(void) addAppAsLoginItem {
	NSString * appPath = [[NSBundle mainBundle] bundlePath];
    
	// This will retrieve the path for the application
	// For example, /Applications/test.app
	CFURLRef url = (__bridge CFURLRef)[NSURL fileURLWithPath:appPath];
    
	// Create a reference to the shared file list.
    // We are adding it to the current user only.
    // If we want to add it all users, use
    // kLSSharedFileListGlobalLoginItems instead of
    // kLSSharedFileListSessionLoginItems
	LSSharedFileListRef loginItems = LSSharedFileListCreate(
        NULL, kLSSharedFileListSessionLoginItems, NULL);
	if (loginItems) {
		// Insert an item to the list.
		LSSharedFileListItemRef item =
            LSSharedFileListInsertItemURL(loginItems, kLSSharedFileListItemLast,
                                          NULL, NULL, url, NULL, NULL);
		if (item){
			CFRelease(item);
        }
	}
    
	CFRelease(loginItems);
}