Single input unlock for computing devices

1. A method comprising:

while a computing device is operating in a locked-state:

while receiving, by the computing device, beginning at an initial location of a presence-sensitive display, a first portion of the continuous-gesture input, outputting, by the computing device, for display at the presence-sensitive display, a plurality of input nodes, wherein a first node of the plurality of input nodes is displayed at the initial location and a second node of the plurality of input nodes is displayed at a subsequent location;

detecting the first portion of the continuous-gesture input at the subsequent location of the presence-sensitive display;

receiving, by the computing device, beginning at the subsequent location of the presence-sensitive display and ending at a final location of the presence-sensitive display, a second portion of the continuous-gesture input;

determining, by the computing device, that the second portion of the continuous-gesture includes a particular pattern near the second node;

responsive to determining that the second portion of the continuous-gesture includes the particular pattern near the second node, determining, by the computing device, two subsequent selections of the second node;

determining, by the computing device, based on the second portion of the continuous-gesture input, an ordered-selection of input nodes from the plurality of input nodes including the two subsequent selections of the second node; and

responsive to determining that the ordered-selection satisfies an unlock sequence, transitioning, by the computing device, from operating in the locked-state to operating in an unlocked-state; and

while the computing device is operating in the unlocked-state, outputting, by the computing device, for display at the presence-sensitive display, a graphical user interface associated with one or more applications of the computing device.

2. The method of claim 1 , wherein the particular pattern is a curlicue pattern or a loop pattern near the second node.

3. The method of claim 2 , wherein determining that the second portion of the continuous-gesture includes the particular pattern near the second node comprises:

detecting the second portion of the continuous-gesture input moving away from the subsequent location and back to the subsequent location prior to contacting any other locations of the presence-sensitive display at which any other of the plurality of nodes is displayed.

4. The method of claim 1 , wherein the first node and the second node are identical nodes.

5. The method of claim 1 , wherein a third node of the plurality of input nodes is displayed at the final location and the ordered-selection of input nodes ends with the third node.

6. The method of claim 1 , wherein the first node is a central node of the plurality of input nodes.

7. The method of claim 1 , further comprising:

detecting, by the computing device, an inflection point associated with the first portion of the continuous-gesture that occurs at the subsequent location, wherein the computing device begins receiving the second portion of the continuous-gesture in response to detecting the inflection point.

8. The method of claim 1 , further comprising:

detecting, by the computing device, a pause associated with the first portion of the continuous-gesture that occurs at the subsequent location, wherein the computing device begins receiving the second portion of the continuous-gesture in response to detecting the pause.

9. The method of claim 1 , wherein:

each input node of the plurality of input nodes corresponds to a different integer;

the ordered-selection corresponds to a first sequence of integers;

the unlock sequence corresponds to a second sequence of integers; and

determining that the ordered-selection satisfies the unlock sequence comprises determining, by the computing device, that the first sequence of integers corresponds to the second sequence of integers.

10. The method of claim 1 , further comprising:

while receiving the first portion of the continuous-gesture input, determining, by the computing device, first touch events associated with the first portion of the continuous-gesture input;

while receiving the second portion of the continuous-gesture input, determining, by the computing device, second touch events associated with the second portion of the continuous-gesture input, wherein determining the ordered-selection comprises determining the ordered-selection based on the second touch events and not based on the first touch events; and

responsive to receiving the second portion of the continuous-gesture input, discarding, by the computing device, the first touch events from a memory.

11. A non-transitory computer-readable storage medium comprising instructions that, when executed, cause at least one processor of a computing device to:

while operating in a locked-state:

while receiving, beginning at an initial location of a presence-sensitive display, a first portion of the continuous-gesture input, output, for display at the presence-sensitive display, a plurality of input nodes, wherein a first node of the plurality of input nodes is displayed at the initial location and a second node of the plurality of input displayed is display at a subsequent location;

detect the first portion of the continuous-gesture input at the subsequent location of the presence-sensitive display;

receive, beginning at the subsequent location of the presence-sensitive display and ending at a final location of the presence-sensitive display, a second portion of the continuous-gesture input;

determine, that the second portion of the continuous-gesture includes a particular pattern near the second node;

responsive to determining that the second portion of the continuous-gesture includes the particular pattern near the second node, determine two subsequent selections of the second node;

determine, based on the second portion of the continuous-gesture input, an ordered-selection of input nodes from the plurality of input nodes including the two subsequent selections of the second node; and

responsive to determining that the ordered-selection satisfies an unlock sequence, transition, from operating in the locked-state to operating in an unlocked-state; and

while operating in the unlocked-state, output, for display at the presence-sensitive display, a graphical user interface associated with one or more applications of the computing device.

12. The non-transitory computer-readable storage medium of claim 11 , wherein the particular pattern is a curlicue pattern or a loop pattern near the second node.

13. The non-transitory computer-readable storage medium of claim 12 , wherein the instructions, when executed, cause the at least one processor to determine that the second portion of the continuous-gesture includes the particular pattern near the second node by at least detecting the second portion of the continuous-gesture input moving away from the subsequent location and back to the subsequent location prior to contacting any other locations of the presence-sensitive display at which any other of the plurality of nodes is displayed.

14. The non-transitory computer-readable storage medium of claim 11 , wherein the first node and the second node are identical nodes.

15. The non-transitory computer-readable storage medium of claim 11 , wherein a third node of the plurality of input nodes is displayed at the final location and the ordered-selection of input nodes ends with the third node.

16. A computing device comprising:

a presence-sensitive display; and

at least one processor configured to:

while operating in a locked-state:

while receiving, beginning at an initial location of the presence-sensitive display, a first portion of the continuous-gesture input, output, for display at the presence-sensitive display, a plurality of input nodes, wherein a first node of the plurality of input nodes is displayed at the initial location and a second node of the plurality of input nodes is displayed at a subsequent location;

detect the first portion of the continuous-gesture input at the subsequent location of the presence-sensitive display;

receive, beginning at the subsequent location of the presence-sensitive display and ending at a final location of the presence-sensitive display, a second portion of the continuous-gesture input;

determine, that the second portion of the continuous-gesture includes a particular pattern near the second node;

responsive to determining that the second portion of the continuous-gesture includes the particular pattern near the second node, determine two subsequent selections of the second node;

determine, based on the second portion of the continuous-gesture input, an ordered-selection of input nodes from the plurality of input nodes including the two subsequent selections of the second node; and

responsive to determining that the ordered-selection satisfies an unlock sequence, transition, from operating in the locked-state to operating in an unlocked-state; and

while operating in the unlocked-state, output, for display at the presence-sensitive display, a graphical user interface associated with one or more applications of the computing device.

17. The computing device of claim 16 , wherein the particular pattern is a curlicue pattern or a loop pattern near the second node.

18. The computing device of claim 16 , wherein the first node and the second node are identical nodes.

19. The computing device of claim 16 , wherein a third node of the plurality of input nodes is displayed at the final location and the ordered-selection of input nodes ends with the third node.

20. The computing device of claim 16 , wherein the first node is a central node of the plurality of input nodes.