Methods and devices for fingerprint unlocking

1. A method for unlocking an electronic device with fingerprints, comprising:

detecting a first contact parameter between an object and a touch screen of the electronic device;

in response to determining that the first contact parameter meets a first preset condition to awaken a fingerprint recognition function of the electronic device,

detecting a second contact parameter between the object and the touch screen; and

simultaneously awakening the fingerprint recognition function;

in response to determining that the second contact parameter meets a second preset condition to perform the fingerprint recognition function, collecting fingerprint information of the object with a fingerprint sensor configured in the touch screen; and

in response to determining that the fingerprint information matches pre-stored reference fingerprint information, unlocking the electronic device.

2. The method of claim 1 , wherein:

the first contact parameter comprises at least one pressure value applied by the object on the touch screen;

the first preset condition comprises that a maximum pressure value of the at least one pressure value is greater than a preset threshold;

the second contact parameter comprises a contact position of the object with the touch screen; and

the second preset condition comprises that the contact position is located in a fingerprint sensing region on the touch screen.

3. The method of claim 2 , wherein detecting the second contact parameter and simultaneously awakening the fingerprint recognition function comprises:

awakening a touch sensor configured in the touch screen and the fingerprint recognition function;

wherein the touch sensor is to detect the contact position of the object with the touch screen after being awakened.

4. The method of claim 3 , wherein before detecting the first contact parameter, the method further comprises:

controlling a pressure sensor configured in the electronic device to enter an operating state when detecting that the touch screen is in a screen-off state, so as to detect the at least one pressure value applied by the object on the touch screen.

5. The method of claim 4 , wherein awakening the touch sensor and the fingerprint recognition function comprises:

sending, by the pressure sensor, a first interrupt signal for awakening the touch sensor to the touch sensor; and

sending, by the pressure sensor, a second interrupt signal for awakening the fingerprint sensor to the fingerprint sensor.

6. The method of claim 1 , wherein:

the first contact parameter comprises a contact position of the object with the touch screen;

the first preset condition comprises that the contact position is located in a fingerprint sensing region on the touch screen;

the second contact parameter comprises at least one pressure value applied by the object on the touch screen; and

the second preset condition comprises that a maximum pressure value of the at least one pressure value is greater than a preset threshold.

7. The method of claim 6 , wherein detecting the second contact parameter and simultaneously awakening the fingerprint recognition function comprises:

awakening a pressure sensor configured in the electronic device and the fingerprint recognition function; wherein the pressure sensor is to detect the at least one pressure value applied by the object on the touch screen after being awakened.

8. The method of claim 7 , wherein before detecting the first contact parameter, the method further comprises:

controlling a touch sensor configured in the touch screen to enter an operating state when detecting that the touch screen is in a screen-off state, so as to detect the contact position of the object with the touch screen.

9. The method of claim 8 , wherein awakening the pressure sensor and the fingerprint recognition function comprises:

sending, by the touch sensor, a first interrupt signal for awakening the pressure sensor to the pressure sensor;

sending, by the touch sensor, a second interrupt signal for awakening the fingerprint sensor to the fingerprint sensor.

10. An electronic device, comprising:

a processor; and

a storage medium storing machine executable instructions;

wherein, upon loading of the machine executable instructions, the processor is caused to execute:

detecting a first contact parameter between an object and a touch screen of the electronic device;

in response to determining that the first contact parameter meets a first preset condition to awaken a fingerprint recognition function of the electronic device, detecting a second contact parameter between the object and the touch screen; and

simultaneously awakening the fingerprint recognition function;

in response to determining that the second contact parameter meets a second preset condition to perform the fingerprint recognition function, collecting fingerprint information of the object with a fingerprint sensor configured in the touch screen; and

in response to determining that the fingerprint information matches pre-stored reference fingerprint information, unlocking the electronic device.

11. The device of claim 10 , wherein:

the first contact parameter comprises at least one pressure value applied by the object on the touch screen;

the first preset condition comprises that a maximum pressure value of the at least one pressure value is greater than a preset threshold;

the second contact parameter comprises a contact position of the object with the touch screen; and

the second preset condition comprises that the contact position is located in a fingerprint sensing region on the touch screen.

12. The device of claim 11 , wherein the processor is caused to detect the second contact parameter and simultaneously awaken the fingerprint recognition function by:

awakening a touch sensor configured in the touch screen and the fingerprint recognition function;

wherein the touch sensor is to detect the contact position of the object with the touch screen after being awakened.

13. The device of claim 12 , wherein before detecting the first contact parameter, the processor is further caused to:

control a pressure sensor configured in the electronic device to enter an operating state when detecting that the touch screen is in a screen-off state, so as to detect the at least one pressure value applied by the object on the touch screen.

14. The device of claim 10 , wherein:

the first contact parameter comprises a contact position of the object with the touch screen;

the first preset condition comprises that the contact position is located in a fingerprint sensing region on the touch screen;

the second contact parameter comprises at least one pressure value applied by the object on the touch screen; and

the second preset condition comprises that a maximum pressure value of the at least one pressure value is greater than a preset threshold.

15. The device of claim 14 , wherein the processor is caused to detect the second contact parameter and simultaneously awaken the fingerprint recognition function by:

awakening a pressure sensor configured in the electronic device and the fingerprint recognition function; wherein the pressure sensor is to detect the at least one pressure value applied by the object on the touch screen after being awakened.

16. The device of claim 15 , wherein before detecting the first contact parameter, the processor is caused to:

control a touch sensor configured in the touch screen to enter an operating state when detecting that the touch screen is in a screen-off state, so as to detect the contact position of the object with the touch screen.

17. A non-transitory machine readable storage medium storing machine executable instructions, the machine executable instructions cause a processor to execute acts comprising:

detecting a first contact parameter between an object and a touch screen of an electronic device;

in response to determining that the first contact parameter meets a first preset condition to awaken a fingerprint recognition function of the electronic device, detecting a second contact parameter between the object and the touch screen; and

simultaneously awakening the fingerprint recognition function;

in response to determining that the second contact parameter meets a second preset condition to perform the fingerprint recognition function, collecting fingerprint information of the object with a fingerprint sensor configured in the touch screen; and

in response to determining that the fingerprint information matches pre-stored reference fingerprint information, unlocking the electronic device.

18. The non-transitory machine readable storage medium of claim 17 , wherein:

the first contact parameter comprises at least one pressure value applied by the object on the touch screen;

the first preset condition comprises that a maximum pressure value of the at least one pressure value is greater than a preset threshold;

the second contact parameter comprises a contact position of the object with the touch screen; and

the second preset condition comprises that the contact position is located in a fingerprint sensing region on the touch screen.

19. The non-transitory machine readable storage medium of claim 18 , wherein detecting the second contact parameter and simultaneously awakening the fingerprint recognition function comprises:

awakening a touch sensor configured in the touch screen and the fingerprint recognition function;

wherein the touch sensor is to detect the contact position of the object with the touch screen after being awakened.

20. The non-transitory machine readable storage medium of claim 17 , wherein:

the first contact parameter comprises a contact position of the object with the touch screen;

the first preset condition comprises that the contact position is located in a fingerprint sensing region on the touch screen;

the second contact parameter comprises at least one pressure value applied by the object on the touch screen; and

the second preset condition comprises that a maximum pressure value of the at least one pressure value is greater than a preset threshold.