| CPC G06F 9/451 (2018.02) | 18 Claims |

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1. A method for producing a prototype of a graphical user interface, performed by at least one processor, the method comprising:
providing a prototype producing interface to a user;
determining a target object from among one or more objects disposed on a target graphical user interface (GUI) screen produced through the prototype producing interface;
calculating a visual similarity between pre-produced GUI screen samples and the target GUI screen, the pre-produced GUI screen samples comprising at least one motion object;
selecting at least one pre-produced GUI screen sample in which the visual similarity is equal to or greater than a reference value among the pre-produced GUI screen samples as a reference sample;
determining a recommended motion for the target object by predicting a value of a motion element constituting the recommended motion using a motion object of the reference sample, the motion element including at least one of destination coordinates, a travel time to the destination, speed/acceleration, and motion pattern;
providing, in the prototype producing interface, and adjacent to the target object, a video preview window, displaying the recommended motion to the user; and
updating the target GUI screen by reflecting the recommended motion on the target GUI screen based on receiving a user input of accepting the recommended motion from the user.
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