Electronic device and method for unlocking screen of electronic device

  • US 9,513,790 B2
  • Filed: 12/29/2014
  • Issued: 12/06/2016
  • Est. Priority Date: 02/06/2013
  • Status: Active Grant
First Claim
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1. A method for unlocking a screen of an electronic device, wherein the electronic device comprises the screen and a storage unit, and the method for unlocking a screen of an electronic device comprises:

  • detecting, in a screen-locked state, intent of a user to unlock the screen;

    if it is detected that the user intends to unlock the screen, extracting contact information from the storage unit of the electronic device, wherein the extracted contact information comprises a first attribute value and second attribute values;

    displaying the first attribute value of the extracted contact information on the screen and displaying the second attribute values in a selectable manner; and

    detecting an operation of choosing a second attribute value by the user, and comparing the second attribute value chosen by the user with a second attribute value that is in the storage unit and corresponding to the displayed first attribute value;

    if the two values are the same, unlocking the screen; and

    otherwise, maintaining the screen-locked state.

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