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Screen unlocking method and device for mobile terminal

  • US 9,313,321 B2
  • Filed: 02/06/2015
  • Issued: 04/12/2016
  • Est. Priority Date: 09/13/2012
  • Status: Active Grant
First Claim
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1. A computer-implemented method for unlocking a touch screen of a mobile terminal, the method comprising:

  • at the mobile terminal having one or more processors, a gravity sensor and memory for storing program modules to be executed by the processors;

    providing an icon on the touch screen that indicates the mobile terminal is in a lock state;

    receiving an input event of a user on the touch screen, the input event comprising a rotating operation on the icon;

    detecting whether a rotating angle of the icon equals a unlocking angle preset in a storage system of the mobile terminal; and

    transitioning the mobile terminal from the lock state to an unlock state upon the condition that the rotating angle equals the unlocking angle;

    wherein when the rotating angle between a stop position and a start position of the icon does not reach the unlocking angle, the icon rebounds to a closer previous degree or rotates to a closer next degree in the form of animation, wherein the animation comprises acceleration effect generated from the gravity sensor.

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