iOS 用其他应用程序打开文件功能

先摘抄一段我抄别人用的。

<key>CFBundleDocumentTypes</key>
    <array>
        <dict>
            <key>CFBundleTypeName</key>
            <string>com.myapp.common-data</string>
            <key>LSItemContentTypes</key>
            <array>
                <string>com.microsoft.powerpoint.ppt</string>
                <string>public.item</string>
                <string>com.microsoft.word.doc</string>
                <string>com.adobe.pdf</string>
                <string>com.microsoft.excel.xls</string>
                <string>public.image</string>
                <string>public.content</string>
                <string>public.composite-content</string>
                <string>public.archive</string>
                <string>public.audio</string>
                <string>public.movie</string>
                <string>public.text</string>
                <string>public.data</string>
            </array>
        </dict>
    </array>

然后我用的方法

然后就啥都出来了