Windows Phone 8: Media file access

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KnownFolders doesn’t work on WP8 for 3rd party apps.

In terms of access on WP8 here’s what’s available:

  • Contacts: Read access available since WP7.5, write-access available via WP8 ContactStore.
  • Appointments: Read-access available since WP7.5. In WP8 you can add individual appointments after user confirmation via the SaveAppointmentTask.
  • Photos: Read access to all folders available since WP7. Write-access to Camera Roll and Saved Pictures available since WP7.5.
  • Audio: Developers can iterate over the music library and even play it via the native player since WP7. Starting WP8 developers can add songs to the music library using MediaLibraryExtensions.SaveSong().
  • Video: Read-write isn’t available. There are security and storage issue with transporting files that big.
  • uSD Card: Starting WP8 apps can register for specific file extensions and read those from the micro-SD card.
  • Documents: No read-write access. But starting WP8 developers can open up docx/xlsx/etc files using Launcher.LaunchFileAsync and it will open up a read-only copy in Office. Users can then choose to save that copy in the Office Hub.

I’ve made this post a wiki so if there are any additional areas, feel free to edit and add those bullet points.

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