我正在尝试将一个SQLite3数据库文件与我们的应用程序关联起来,以便从电子邮件中轻松打开备份的数据库。然而,以下内容似乎不起作用,因为Mail仍然无法识别该文件(在iPad和iPhone 4上):
<key>UTExportedTypeDeclarations</key>
<array>
<dict>
<key>UTTypeConformsTo</key>
<array>
<string>public.database</string>
<string>public.data</string>
</array>
<key>UTTypeDescription</key>
<string>App Database File</string>
<key>UTTypeIdentifier</key>
<string>com.company.App.db</string>
<key>UTTypeTagSpecification</key>
<dict>
<key>public.filename-extension</key>
<string>db</string>
<key>public.mime-type</key>
<string>application/x-sqlite3</string>
</dict>
</dict>
</array>
<key>CFBundleDocumentTypes</key>
<dict>
<key>CFBundleTypeName</key>
<string>App Database</string>
<key>CFBundleTypeIconFiles</key>
<array>
<string>Icon-Small.png</string>
<string>Icon.png</string>
</array>
<key>CFBundleTypeRole</key>
<string>Editor</string>
<key>LSItemContentTypes</key>
<array>
<string>com.company.App.db</string>
</array>
<key>LSHandlerRank</key>
<string>Alternate</string>
</dict>
</dict>
有任何想法我做错了什么吗?