[Interest] [ iOS ] How implement didFinishLaunchingWithOptions to open file associated with MyWidgetApp from another app?

[Edward Sutton]

For example, the user receives a "report.myapp" file in Apple Mail app as a file attachment.

When user opens the file attachment, how do you offer "Open in MyWIdgetApp” as one of the choices?  Has anyone figured out how to do this or found an example?


I use UIDocumentInteractionController in MyApp present user a choice to open a KML file in “Open in Google Earth”.  How do I do the opposite?


I added CFBundleDocumentTypes to my Info.plist as a first step:



    <key>CFBundleDocumentTypes</key>

    <array>

        <dict>

            <key>CFBundleTypeExtensions</key>

            <array>

                <string>myapp</string>

            </array>

            <key>CFBundleTypeIconFile</key>

            <string>icons.icns</string>

            <key>CFBundleTypeMIMETypes</key>

            <array>

            <string>application/vnd.acme.myapp+xml</string>

            </array>

            <key>CFBundleTypeName</key>

            <string>TSR Document</string>

            <key>CFBundleTypeRole</key>

            <string>Editor</string>

            <key>LSTypeIsPackage</key>

            <false/>

            <key>NSDocumentClass</key>

            <string>BrowserDocument</string>

        </dict>

    </array>

The hard part appears to be figuring out how to handle didFinishLaunchingWithOptions and pass the file to my Qt widget app.  Is didFinishLaunchingWithOptions the key to implementing open

Any tips or direction are much appreciated,

-Ed
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