Ios4 将iphone应用程序与kml和kmz google earth文件关联

我正在尝试编写一个iOS应用程序，它应该能够从google earth打开kml和kmz文件。 我在cfg文件中添加了以下行，但应该是错误的（当我尝试从另一个应用程序（即邮件）打开kml文件时，我看不到列出的应用程序）：

CbundleDocumentTypes
CbundleTypeMimetypes
application/vnd.googleearth.kml+xml
CbundleTypeExtensions
kml
CbundleTypeName
谷歌Kml
CbundleTypeRole
观众
伊斯汉德兰克
候补

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请帮助我查找错误…

将以下行添加到Info.plist：

<key>CFBundleDocumentTypes</key>
    <array>
        <dict>
            <key>CFBundleTypeIconFiles</key>
            <array/>
            <key>CFBundleTypeName</key>
            <string>Google Earth KML Document</string>
            <key>LSItemContentTypes</key>
            <array>
                <string>com.google.earth.kml</string>
            </array>
        </dict>
    </array>
    <key>UTExportedTypeDeclarations</key>
    <array>
        <dict>
            <key>UTTypeConformsTo</key>
            <array>
                <string>public.xml</string>
            </array>
            <key>UTTypeDescription</key>
            <string>Google Earth KML Document</string>
            <key>UTTypeIdentifier</key>
            <string>com.google.earth.kml</string>
            <key>UTTypeReferenceURL</key>
            <string>http://earth.google.com/kml/</string>
            <key>UTTypeTagSpecification</key>
            <dict>
                <key>com.apple.ostype</key>
                <string>GKml</string>
                <key>public.filename-extension</key>
                <array>
                    <string>kml</string>
                </array>
                <key>public.mime-type</key>
                <string>application/vnd.google-earth.kml+xml</string>
            </dict>
        </dict>
    </array>

CbundleDocumentTypes
CbundleTypeConfigiles
CbundleTypeName
谷歌地球KML文档
lsItemContentType
com.google.earth.kml
UTExportedTypeDeclarations
Uttypecommisto
public.xml
UTTypeDescription
谷歌地球KML文档
UTTypeIdentifier
com.google.earth.kml
UTTypeReferenceURL
http://earth.google.com/kml/
Uttypetag规范
com.apple.ostype
GKml
public.filename-extension
kml
public.mime-type
application/vnd.googleearth.kml+xml

如何读取xml文件显示代码副本-

<key>CFBundleDocumentTypes</key>
    <array>
        <dict>
            <key>CFBundleTypeIconFiles</key>
            <array/>
            <key>CFBundleTypeName</key>
            <string>Google Earth KML Document</string>
            <key>LSItemContentTypes</key>
            <array>
                <string>com.google.earth.kml</string>
            </array>
        </dict>
    </array>
    <key>UTExportedTypeDeclarations</key>
    <array>
        <dict>
            <key>UTTypeConformsTo</key>
            <array>
                <string>public.xml</string>
            </array>
            <key>UTTypeDescription</key>
            <string>Google Earth KML Document</string>
            <key>UTTypeIdentifier</key>
            <string>com.google.earth.kml</string>
            <key>UTTypeReferenceURL</key>
            <string>http://earth.google.com/kml/</string>
            <key>UTTypeTagSpecification</key>
            <dict>
                <key>com.apple.ostype</key>
                <string>GKml</string>
                <key>public.filename-extension</key>
                <array>
                    <string>kml</string>
                </array>
                <key>public.mime-type</key>
                <string>application/vnd.google-earth.kml+xml</string>
            </dict>
        </dict>
    </array>