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Smart archiving and data previewing for mobile devices

  • US 9,020,890 B2
  • Filed: 03/11/2013
  • Issued: 04/28/2015
  • Est. Priority Date: 03/30/2012
  • Status: Active Grant
First Claim
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1. A method of synchronizing data files on a mobile device, the method comprising:

  • obtaining a resource profile of the mobile devicewherein the resource profile includes information affecting how data files of certain types are to be managed;

    deciding whether a data file is to be stored locally on the mobile device in itsnative format, or whether the data file is to be stored locally on the mobile device in a preview format,wherein the deciding is performed based at least in part on the resource profile of the mobile device;

    when the data file is to be stored in the preview format, further deciding file attributes using the resource profile of the mobile device; and

    having the preview format file stored locally at the mobile device,wherein the preview format file has metadata stored therewith, or the preview format file is associated with the metadata, andwherein the metadata provides a logical location of the native format data file to permit the mobile device to retrieve the native format data file following a user request to do so;

    determining a battery level of the mobile device;

    when the battery level drops below a first or a second threshold, performing a respective first or second power-saving operation;

    wherein the resource profile stores the first and second thresholds, and indications of the first and second power-saving operations;

    wherein when the battery-power drops to below the first threshold, then only preview format files are accessible on the mobile device under the first power-saving operation; and

    wherein when the battery-power drops to below the second threshold, then resource intensive preview format files are prevented from launching on the mobile device under the second power-saving operation;

    wherein resource intensive preview format files include files requiring video decoding, or files requiring downloads via a wireless link, andproviding a click-through warning to the user that allows the user to avoid the first or second power-saving operations.

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