+ (void)startHelper {
    NSURL *helperURL = [[[NSBundle mainBundle] bundleURL] URLByAppendingPathComponent:@"Contents/Library/LoginItems/YourHelper.app" isDirectory:YES];
    OSStatus status = LSRegisterURL((CFURLRef)helperURL,YES);
    if (status != noErr) {
        NSLog(@"Failed to LSRegisterURL '%@': %jd",helperURL,(intmax_t)status);
    }


    Boolean success = SMLoginItemSetEnabled(CFSTR("com.yourcompany.helper-CFBundleIdentifier-here"),YES);
    if (!success) {
        NSLog(@"Failed to start Helper");
    }
}

请注意,Helper必须与主应用程序一起打包在“Contents / Library / LoginItems”目录中.您将需要在构建期间创建它,并在那里复制帮助器.