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Touch event processing methods and apparatus for portable device with multiple operating systems

  • US 9,310,926 B2
  • Filed: 12/24/2013
  • Issued: 04/12/2016
  • Est. Priority Date: 01/08/2013
  • Status: Active Grant
First Claim
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1. A touch event processing method of a portable device having a first operating system and a second operating system, the method comprising:

  • receiving, by the first operating system, touch coordinates from a touch panel; and

    if a function corresponding to the touch coordinates is to execute a security application, transmitting a touch event processing right handover message to the second operating system, for handover of a right of processing a touch event on the touch panel to the second operating system;

    wherein the first operating system transmits, when the security application stops running, a touch event processing right withdrawal request message to the second operating system, and commands, when the touch event processing right handover message is received from the second operating system, a CPU to transmit the touch coordinates.

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