cocoa为系统服务添加类别

Question

我制作了一个可可应用程序，在右键单击鼠标时在“服务菜单”中提供服务，但在系统首选项中，应用程序在可用服务的“常规”类别中显示应用程序，我希望我的应用程序显示在“发展”类别的服务。

我的应用更改了文件的权限，使其可执行或不可执行。

我的应用是“实用程序”还是“开发工具”？

这是我的“.plist”文件

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundleDevelopmentRegion</key>
    <string>en</string>
    <key>CFBundleExecutable</key>
    <string>${EXECUTABLE_NAME}</string>
    <key>CFBundleIconFile</key>
    <string></string>
    <key>CFBundleIdentifier</key>
    <string>kyle.${PRODUCT_NAME:rfc1034identifier}</string>
    <key>CFBundleInfoDictionaryVersion</key>
    <string>6.0</string>
    <key>CFBundleName</key>
    <string>${PRODUCT_NAME}</string>
    <key>CFBundlePackageType</key>
    <string>APPL</string>
    <key>CFBundleShortVersionString</key>
    <string>1.0</string>
    <key>CFBundleSignature</key>
    <string>????</string>
    <key>CFBundleVersion</key>
    <string>1</string>
    <key>LSApplicationCategoryType</key>
    <string>public.app-category.utilities</string>
    <key>LSMinimumSystemVersion</key>
    <string>${MACOSX_DEPLOYMENT_TARGET}</string>
    <key>NSHumanReadableCopyright</key>
    <string>Copyright © 2013 Kyle kersey. All rights reserved.</string>
    <key>NSMainNibFile</key>
    <string>MainMenu</string>
    <key>NSPrincipalClass</key>
    <string>NSApplication</string>
    <key>NSServices</key>
    <array>
        <dict>
            <key>LSApplicationCategoryType</key>
            <string>public.app-category.utilities</string>
            <key>NSMenuItem</key>
            <dict>
                <key>default</key>
                <string>Toggle Executable</string>
            </dict>
            <key>NSMessage</key>
            <string>handleServices</string>
            <key>NSPortName</key>
            <string>Toggle Executable</string>
            <key>NSSendFileTypes</key>
            <array/>
            <key>NSSendTypes</key>
            <array>
                <string>NSFilenamesPboardType</string>
            </array>
        </dict>
    </array>
</dict>
</plist>