CN111949195B - Touch control method and device for liquid crystal display television, intelligent equipment and storage medium - Google Patents
Touch control method and device for liquid crystal display television, intelligent equipment and storage medium Download PDFInfo
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- CN111949195B CN111949195B CN202010910441.0A CN202010910441A CN111949195B CN 111949195 B CN111949195 B CN 111949195B CN 202010910441 A CN202010910441 A CN 202010910441A CN 111949195 B CN111949195 B CN 111949195B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0482—Interaction with lists of selectable items, e.g. menus
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Abstract
The embodiment of the invention discloses a touch method, a touch device, intelligent equipment and a storage medium of a liquid crystal display television, wherein the method comprises the following steps: judging an operation instruction of a user according to a touch mode of the user; if the operation instruction is to touch the floating ball, judging whether the floating ball expands a secondary menu; if the secondary menu is expanded by the floating ball, judging whether the user touches the secondary menu; if the user does not touch the secondary menu, the secondary menu is folded, and the coordinates of the floating ball are adjusted according to a first preset rule; and if the user touches the secondary menu, executing a corresponding function of the secondary menu sub-item, wherein the corresponding function is a function corresponding to a remote controller key. The invention can correct the coordinates of the floating ball and realize the case function of the remote controller.
Description
Technical Field
The invention relates to the field of liquid crystal televisions, in particular to a touch method and device of a liquid crystal television, intelligent equipment and a storage medium.
Background
With the development and maturity of the touch screen function, the liquid crystal display television with the touch screen function is also developed, and the current touch control scheme of the liquid crystal display television based on the Android platform can be roughly divided into two schemes, one scheme is to adopt a third-party touch control application program, and the other scheme is to transplant the existing touch control scheme of the mobile terminal.
For the touch scheme adopting the third-party touch application program, the running memory is usually cleaned regularly by the television terminal, so that the third-party touch application is easily terminated by the system and cannot run stably. In the touch scheme of the mobile terminal, because the handheld position of a user of the mobile device is usually lower and the top notification bar occupies part of the position, the convenient operation identification area of the mobile device is generally lower, so that the boundary operation at the position above the screen cannot be identified usually, and the boundary operation identification of the television terminal needs to cover the whole height of the left side and the right side.
Meanwhile, a television terminal generally needs to execute a large number of remote control key operations, and therefore, a touch screen operation scheme of the television terminal needs to have the capability of executing the simulated remote control key operations, while an existing scheme for simulating the remote control key operations generally maps fixed operation instructions with fixed functions one by one or maps secondary menu buttons with the fixed functions one by one, but television manufacturers generally deeply customize a system, so that the remote control key, application broadcast and system functions are greatly modified, mapping is invalid, and correct execution of the operations cannot be guaranteed.
Disclosure of Invention
The embodiment of the invention provides a touch method and device for a liquid crystal television, intelligent equipment and a storage medium, which can realize the function of a remote controller through touch, and can adjust the coordinates of a floating ball after the floating ball is used every time, so that the use experience of a client is improved.
In a first aspect, an embodiment of the present invention provides a touch method for a liquid crystal television, where the method specifically includes: if the touch screen operation of the user is detected, identifying the operation type of the touch screen operation; if the operation type is the touch levitating ball, judging whether the current state of the levitating ball is an expansion secondary menu or not, wherein the secondary menu comprises a plurality of selection items; if the current state of the floating ball is that the secondary menu is expanded, judging whether an operation instruction of the user on the secondary menu is received; if the operation instruction of the user on the secondary menu is not received, the secondary menu is folded, and the coordinates of the floating ball are adjusted according to a first preset rule; if an operation instruction of the user on the secondary menu is received, determining a selected item selected by the user in the secondary menu according to the operation instruction and identifying the type of the selected item, wherein the type of the selected item comprises a function item corresponding to a key of a remote controller; and if the selection item is a function item, executing the corresponding function of the function item.
In a second aspect, an embodiment of the present invention further provides a touch device for a liquid crystal television, where the touch device specifically includes: the first judging unit is used for identifying the operation type of the touch screen operation if the touch screen operation of a user is detected; a second judging unit, configured to judge whether a current state of the hover ball is an expanded secondary menu if the operation type is a touch hover ball, where the secondary menu includes multiple selection items; a third judging unit, configured to judge whether an operation instruction of the user on the secondary menu is received if the current state of the floating ball is that the secondary menu is expanded; the first adjusting unit is used for retracting the secondary menu and adjusting the coordinates of the floating ball according to a first preset rule if the operation instruction of the user on the secondary menu is not received; the first identification unit is used for determining a selected item in the secondary menu selected by a user according to an operation instruction and identifying the type of the selected item if the operation instruction of the user on the secondary menu is received, wherein the type of the selected item comprises a function item first execution unit corresponding to a key of a remote controller, and the first identification unit is used for executing a corresponding function of the function item if the selected item is the function item.
In a third aspect, an embodiment of the present invention further provides an intelligent device, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the method when executing the computer program.
In a fourth aspect, the present invention also provides a computer-readable storage medium, which stores a computer program, and the computer program can implement the above method when being executed by a processor.
The embodiment of the invention provides a touch method and device of a liquid crystal television, intelligent equipment and a storage medium. Wherein the method comprises the following steps: if the touch screen operation of the user is detected, identifying the operation type of the touch screen operation; if the operation type is the touch levitating ball, judging whether the current state of the levitating ball is an expansion secondary menu or not, wherein the secondary menu comprises a plurality of selection items; if the current state of the floating ball is that the secondary menu is expanded, judging whether an operation instruction of the user on the secondary menu is received; if the operation instruction of the user on the secondary menu is not received, the secondary menu is folded, and the coordinates of the floating ball are adjusted according to a first preset rule; if an operation instruction of the user on the secondary menu is received, determining a selected item selected by the user in the secondary menu according to the operation instruction and identifying the type of the selected item, wherein the type of the selected item comprises a function item corresponding to a key of a remote controller; and if the selection item is a function item, executing the corresponding function of the function item. According to the embodiment of the invention, the operation type of the user can be judged in different touch modes of the user, corresponding operation is executed according to the operation type, meanwhile, the first preset rule is used for ensuring that the folded coordinates of the floating ball can be kept consistent with the coordinates before the second-level menu is unfolded when the second-level menu is folded, the function of pressing keys of the remote controller is realized through the second-level menu, and the use experience of the user is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1a is a schematic view of an application scenario of a touch method of a liquid crystal display television according to an embodiment of the present invention;
fig. 1 is a schematic flowchart of a touch method of an lcd tv according to an embodiment of the present invention;
fig. 2 is a sub-flow diagram of a touch method of an lcd tv according to an embodiment of the present invention
Fig. 3 is a schematic sub-flow chart of a touch method of an lcd tv according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a touch method of an lcd tv according to another embodiment of the present invention;
fig. 5 is a flowchart illustrating a touch method of an lcd tv according to another embodiment of the present invention
Fig. 6 is a schematic block diagram of a touch device of a liquid crystal television according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of a first adjusting unit of a touch device of a liquid crystal television according to an embodiment of the present invention
Fig. 8 is a schematic block diagram of a first execution unit of a touch device of an lcd tv according to an embodiment of the present invention;
fig. 9 is a schematic block diagram of a touch device of an lcd tv according to another embodiment of the present invention;
fig. 10 is a schematic block diagram of a touch device of an lcd tv according to another embodiment of the present invention;
fig. 11 is a schematic block diagram of an intelligent device provided by an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Fig. 1a is a schematic view of an application scenario of a touch method of a liquid crystal television according to an embodiment of the present invention. Different functions can be realized according to different touch control modes of a user, and meanwhile, the coordinates of the floating ball can be corrected after the floating ball is used every time. Fig. 1 is a schematic flowchart of a touch method of an lcd television according to an embodiment of the present invention, where the method is applied to an lcd television. The method may comprise steps S101-S105b
Step S101, if the touch screen operation of the user is detected, identifying the operation type of the touch screen operation.
In this embodiment, the lcd tv is further provided with a floating ball besides touch, the floating ball is disposed at any position of the touch interface of the lcd tv, and when a user operates the tv in a touch manner, the user can select any corresponding function of the touch interface of the lcd tv, for example, the touch interface is provided with functions of "drama", "movie", and "art program", and the user can click the corresponding function with a finger to achieve the user's purpose, for example, the user can click "drama" to enter the drama interface, thereby selecting the corresponding drama program, which belongs to the conventional touch function of the lcd tv.
Step S102, if the operation type is the touch levitating ball, judging whether the current state of the levitating ball is a secondary menu which is expanded, wherein the secondary menu comprises a plurality of selection items.
In this embodiment, when the user touches the floating ball, the corresponding function when the user touches the floating ball may be triggered, for example, when the user lightly clicks the floating ball, the user may return to the upper menu, and when the user lightly touches the floating ball and contacts the floating ball for a period of time, the floating ball may expand the second menu.
And 103, if the current state of the floating ball is the expansion of the secondary menu, judging whether an operation instruction of the user on the secondary menu is received.
In this embodiment, when the levitated ball is expanded from the levitated ball state to the secondary menu, it needs to be determined again whether an operation instruction of the user on the secondary menu is received, and if the operation instruction of the user on the secondary menu is still not received after a certain time, the step S104 may be entered, and if the operation instruction of the user on the secondary menu is received, the step S105 is entered.
Therefore, after the floating ball normally expands the secondary menu, whether the user touches the sub-item of the secondary menu needs to be further judged, when the user selects the sub-item of the secondary menu, the next step can be carried out, and when the user does not select the sub-item of the secondary menu, the user mistakenly touches the floating ball or does not need to expand the secondary menu, the other step can be carried out.
And step S104, if the operation instruction of the user on the secondary menu is not received, the secondary menu is folded, and the coordinates of the floating ball are adjusted according to a first preset rule.
In this embodiment, when the user does not touch the secondary menu, it is described that the user mistakenly touches the floating ball or does not need to expand the secondary menu, after waiting for the preset time, the expanded secondary menu can be collected, and since the floating ball can be converted into a rectangular window when the secondary menu is expanded, and when the secondary menu is collected, the floating ball needs to be converted into the floating ball from the rectangular window, and when the secondary menu is converted into the floating ball, by the condition that coordinate jumping can easily occur, that is, after the secondary menu is collected, the position of the floating ball is not at the position currently touched by the finger of the user, therefore, in order to avoid the occurrence of this condition, the coordinate of the floating ball can be adjusted according to the first preset rule after the secondary menu is collected every time.
In one embodiment, as shown in FIG. 2, the step S104 may include steps S201-S203.
Step S201, confirming the center position coordinates of the touch point according to the position when the user touches.
When a user finger touches a display screen of the liquid crystal television, a system of the liquid crystal television records coordinates of a center position of an area when the user finger contacts the display screen, and records the coordinates of the center position so as to be used in the following steps.
And S202, calculating the offset of the center position coordinate relative to the secondary menu starting point coordinate according to the relation between the arc length and the side length of the secondary menu.
The coordinates of the starting point of the secondary menu refer to the position of the top point of the left corner when the secondary menu is unfolded, and the coordinates of the floating ball are adjusted through calculating the offset of the coordinates of the center position and the coordinates of the starting point and the offset, so that the floating ball can be positioned at the position of a touch point of a user when the secondary menu is folded every time.
And S203, adjusting the coordinates of the floating ball according to the offset.
After the offset is calculated, the coordinates of the floating ball can be corrected according to the offset.
Step S105, if an operation instruction of the user on the secondary menu is received, determining a selected item in the secondary menu selected by the user according to the operation instruction and identifying the type of the selected item, wherein the type of the selected item comprises a function item corresponding to a key of a remote controller.
In this embodiment, the secondary menu generally includes a plurality of selection items, and the plurality of selection items at least includes two different types of selection items, for example, the selection items may include function items, custom items, or modified UI items. The function of each function item may correspond to the function of a key on a remote controller of the lcd tv, and the number of the function items may be set according to the requirement of a user, for example, the number of the function items of the secondary menu may be set to 6, 10, or 12 or more, each function item may correspond to one of the functions corresponding to the keys of the remote controller, for example, if one function item in the secondary menu is to open "menu", it may correspond to the "menu" key in the keys of the remote controller, and if another function item is "volume +", it may correspond to the "volume +" key in the keys of the remote controller, and the key function of the remote controller corresponding to each function item may be set by a client, specifically, it may be set from inside a self-defined item.
In one embodiment, as illustrated in FIG. 3, the selection items further include a custom item, and the step S150 may include steps S301-S302.
Step S301, if entering the interface of adding the user-defined key, receiving a first instruction sent by the remote controller.
The adding of the custom key can be displayed as "+" in the sub-item of the secondary menu, namely, the adding of a new custom key is represented, after the user touches "+", the user enters the adding custom key interface, and waits for the user to send an instruction, wherein the instruction is specifically sent by the user through a remote controller, for example, after the user enters the adding custom key interface, a prompt is sent to tell the user that the custom key can be added.
In step S301a, if the first command is not received, the secondary menu is closed after a preset waiting time.
After entering the user-defined key interface, if the first instruction sent by the user is not received after the preset waiting time, the secondary menu can be retracted, and the preset waiting time can be 3 seconds, 5 seconds or 10 seconds.
Step S301b, adjusting the coordinates of the floating ball according to the first preset rule.
Because the second-level menu is expanded, the coordinates of the floating ball still need to be adjusted according to a first preset rule when the second-level menu is folded, and the coordinates of the floating ball can be kept unchanged when the second-level menu is folded every time.
Step S302, if the first instruction is received, adding the function corresponding to the first instruction to a self-defined key.
For example, when the user wants to add "volume-" to add the "volume-" to the second-level menu, the user can add the "volume-" to the second-level menu by clicking the "volume-" on the remote controller, and successfully add a user-defined key, and the user can select the "volume-" to reduce the volume by expanding the second-level menu next time. The user can also modify the icon of the custom key when adding the custom key, and select the icon liked by the user as the icon of the custom key.
And step S106, if the selection item is a function item, executing the corresponding function of the function item.
In this embodiment, when the user touches the secondary menu, specifically, when the function item of the secondary menu is touched, the function corresponding to the function item may be executed, for example, when the function item of the secondary menu touched by the user is a "menu" function, the menu of the lcd tv may be opened, so that the user can perform the next touch.
Step S105a, if the corresponding function of the function item is completed, the secondary menu is retrieved.
When the function corresponding to the function item of the second-level menu is executed, for example, "menu" is executed, the menu page of the lcd tv is entered, so as to avoid the user from operating the second-level menu by mistake, and the second-level menu is automatically retrieved to facilitate the user to perform other operations.
Step S105b, adjusting the coordinates of the floating ball according to the first preset rule.
When the secondary menu is retracted, in order to ensure that the coordinates of the floating ball can be consistent with the coordinates before the secondary menu is expanded, the coordinates of the floating ball also need to be adjusted according to a first preset rule.
Referring to fig. 4, fig. 4 is a schematic flowchart of a touch method of an lcd television according to another embodiment of the present invention. The method can be operated in terminals such as liquid crystal televisions and the like. As shown in fig. 4, the steps of the method include steps S401 to S404. The related explanations and detailed descriptions of the steps similar to steps S101-S105b in the above embodiment are not repeated herein, and the following detailed descriptions are the added steps in this embodiment.
Step S402, if the operation type is dragging the floating ball, judging whether the current state of the floating ball is unfolding a secondary menu.
The floating ball can be located at any position of a liquid crystal display television display screen under the general condition, if the floating ball is located near the edge of the display screen, the floating ball can be automatically attached to the edge when a user does not use the floating ball, if the floating ball is located at other positions, the floating ball can be transparent in place, however, the user can mistakenly touch the floating ball easily when performing touch control, the floating ball needs to be dragged, the position of the floating ball is changed, the situation that a secondary menu is unfolded can occur in the dragging process, and therefore whether the secondary menu is unfolded or not in the dragging process of the floating ball needs to be judged.
Step S403, if the current state of the levitated ball is that the secondary menu is expanded, the secondary menu is retracted, and the coordinates of the levitated ball are adjusted according to a first preset rule.
When the second-level menu is expanded by the floating ball, the second-level menu is collected, the coordinates of the floating ball are adjusted according to a first preset rule, and the second-level menu is expanded in the dragging process, so that the coordinates of the floating ball need to be corrected in order to ensure that the floating ball can reach the position specified by a user.
And S404, if the current state of the levitated ball is that the secondary menu is not expanded, adjusting the coordinates of the levitated ball according to a second preset rule.
When the floating ball does not expand the secondary menu and smoothly reaches the position designated by the user, the coordinates of the floating ball need to be adjusted according to a second preset rule to ensure that the floating ball can accurately move to the position designated by the user, and the second preset rule can be used for calculating the proportional relation between the coordinates of the finger touch position of the user and the central point of the image of the floating ball and correcting the current coordinates of the floating ball.
Referring to fig. 5, fig. 5 is a schematic flow chart of a touch method of an lcd television according to another embodiment of the present invention. The method can be operated in terminals such as liquid crystal televisions and the like. As shown in fig. 5, the steps of the method include steps S501 to S503. The related explanations and detailed descriptions of the steps similar to steps S101-S105b in the above embodiment are not repeated herein, and the following detailed descriptions are the added steps in this embodiment.
Step S502, if the operation type is boundary sliding, setting the boundary sliding range as a first threshold, and judging whether the first threshold reaches a preset threshold.
When the operation type of the user is sliding along the boundary of the display screen frame of the liquid crystal television, specifically, sliding from the display screen frame to the middle area of the display screen, the sliding length of the user can be judged, namely the length from the coordinate when the user touches the screen to the coordinate of the position contacted by the user when the user stops sliding, the length is set as a first threshold, and when the first threshold is greater than a preset threshold, the operation corresponding to the sliding instruction can be executed; when the first threshold is smaller than the preset threshold, the operation of returning to the upper menu is not performed, and the corresponding function may be performed according to the position touched by the user.
Because the size of the display screen of the LCD TV is larger and far exceeds the mobile equipment, the virtual keys on the display screen of the LCD TV are also relatively longer, therefore, in the embodiment of the invention, the numerical value of the preset threshold value of the boundary sliding is usually set to be larger, so that the problem that a user is easy to operate by mistake when some virtual keys are arranged on the boundary is avoided, for example, a virtual key of a next page is arranged on the boundary of the display screen, when the user touches the virtual key, the user aims to enter the next page, but because the virtual key is arranged on the boundary, when the user slightly slides, the virtual key is easy to return to a previous menu, so that the numerical value of the preset threshold value is set to be larger than the common threshold value, the misjudgment is avoided, meanwhile, the boundary sliding can be carried out not only at the two ends of the display screen, but also can be carried out up and down sliding of the display screen, so that a plurality of identification areas are increased, the use experience of the user is improved.
In step S503, if the first threshold reaches a preset threshold, executing a return to previous menu instruction.
When the first threshold reaches a preset threshold, an operation of returning to the upper menu may be performed.
Fig. 6 is a schematic block diagram of a touch device of a liquid crystal television according to an embodiment of the present invention. As shown in fig. 6, the present invention further provides a touch device of a liquid crystal television corresponding to the above touch method of a liquid crystal television. The touch device of the lcd tv includes a unit for executing the touch method, and the touch device may be configured in a terminal such as an lcd tv, please refer to fig. 6, and the touch device includes a first determining unit 101, a second determining unit 102, a third determining unit 103, a first adjusting unit 104, a first identifying unit 105, a first executing unit 106, a first restoring unit 105a, and a second adjusting unit 105 b.
The first determining unit 101 is configured to, if a touch screen operation of a user is detected, identify an operation type of the touch screen operation.
In this embodiment, the lcd tv is further provided with a floating ball besides touch, the floating ball is disposed at any position of the touch interface of the lcd tv, and when a user operates the tv in a touch manner, the user can select any corresponding function of the touch interface of the lcd tv, for example, the touch interface is provided with functions of "drama", "movie", and "art program", and the user can click the corresponding function with a finger to achieve the user's purpose, for example, the user can click "drama" to enter the drama interface, thereby selecting the corresponding drama program, which belongs to the conventional touch function of the lcd tv.
The second determining unit 102 is configured to determine whether the current state of the floating ball is an expanded secondary menu if the operation type is a touch floating ball, where the secondary menu includes a plurality of selection items.
In this embodiment, when the user touches the floating ball, the corresponding function when the user touches the floating ball may be triggered, for example, when the user lightly clicks the floating ball, the user may return to the upper menu, and when the user lightly touches the floating ball and contacts the floating ball for a period of time, the floating ball may expand the second menu.
The third determining unit 103 is configured to determine whether an operation instruction of the user on the secondary menu is received if the current state of the floating ball is that the secondary menu is expanded.
In this embodiment, when the levitated ball is expanded from the levitated ball state to the secondary menu, it needs to be determined again whether an operation instruction of the user on the secondary menu is received, and if the operation instruction of the user on the secondary menu is still not received after a certain time, the step S104 may be entered, and if the operation instruction of the user on the secondary menu is received, the step S105 is entered.
Therefore, after the floating ball normally expands the secondary menu, whether the user touches the sub-item of the secondary menu needs to be further judged, when the user selects the sub-item of the secondary menu, the next step can be carried out, and when the user does not select the sub-item of the secondary menu, the user mistakenly touches the floating ball or does not need to expand the secondary menu, the other step can be carried out.
The first adjusting unit 104 is configured to, if the operation instruction of the user on the secondary menu is not received, collapse the secondary menu and adjust the coordinate of the floating ball according to a first preset rule.
In this embodiment, when the user does not touch the secondary menu, it is described that the user mistakenly touches the floating ball or does not need to expand the secondary menu, after waiting for the preset time, the expanded secondary menu can be collected, and since the floating ball can be converted into a rectangular window when the secondary menu is expanded, and when the secondary menu is collected, the floating ball needs to be converted into the floating ball from the rectangular window, and when the secondary menu is converted into the floating ball, by the condition that coordinate jumping can easily occur, that is, after the secondary menu is collected, the position of the floating ball is not at the position currently touched by the finger of the user, therefore, in order to avoid the occurrence of this condition, the coordinate of the floating ball can be adjusted according to the first preset rule after the secondary menu is collected every time.
In an embodiment, as shown in fig. 7, the first adjusting unit includes a first confirming unit 201, a first calculating unit 202, and a third adjusting unit 203.
The first confirming unit 201 is configured to confirm a center position coordinate of a touch point according to the position touched by the user.
When a user finger touches a display screen of the liquid crystal television, a system of the liquid crystal television records coordinates of a center position of an area when the user finger contacts the display screen, and records the coordinates of the center position so as to be used in the following steps.
The first calculating unit 202 is configured to calculate an offset of the center position coordinate relative to the secondary menu starting point coordinate according to a relationship between an arc length and a side length of the secondary menu.
The coordinates of the starting point of the secondary menu refer to the position of the top point of the left corner when the secondary menu is unfolded, and the coordinates of the floating ball are adjusted through calculating the offset of the coordinates of the center position and the coordinates of the starting point and the offset, so that the floating ball can be positioned at the position of a touch point of a user when the secondary menu is folded every time.
The third adjusting unit 203 is configured to adjust the coordinates of the floating ball according to the offset.
After the offset is calculated, the coordinates of the floating ball can be corrected according to the offset.
The first executing unit 105 is configured to, if the user touches the secondary menu, execute a corresponding function of the secondary menu subentry, where the corresponding function is a function corresponding to a remote controller key.
In this embodiment, when the user touches the secondary menu, specifically, touches a sub-item of the secondary menu, the function corresponding to the sub-item may be executed, for example, when the sub-item of the secondary menu touched by the user is a "menu" function, the menu of the lcd tv may be opened, so that the user can perform the next touch.
In an embodiment, as shown in fig. 8, the first executing unit includes a first receiving unit 301, a second restoring unit 301a, a fourth adjusting unit 301b, and a first adding unit 302.
The first receiving unit 301 is configured to receive a first instruction sent by a remote controller if entering an add custom key interface.
The adding of the custom key can be displayed as "+" in the sub-item of the secondary menu, namely, the adding of a new custom key is represented, after the user touches "+", the user enters the adding custom key interface, and waits for the user to send an instruction, wherein the instruction is specifically sent by the user through a remote controller, for example, after the user enters the adding custom key interface, a prompt is sent to tell the user that the custom key can be added.
The second restoring unit 301a is configured to retract the secondary menu after a preset waiting time if the first instruction is not received.
After entering the user-defined key interface, if the first instruction sent by the user is not received after the preset waiting time, the secondary menu can be retracted, and the preset waiting time can be 3 seconds, 5 seconds or 10 seconds.
The third adjusting unit 301b is configured to adjust the coordinates of the floating ball according to the first preset rule.
Because the second-level menu is expanded, the coordinates of the floating ball still need to be adjusted according to a first preset rule when the second-level menu is folded, and the coordinates of the floating ball can be kept unchanged when the second-level menu is folded every time.
The first adding unit 302 is configured to add a function corresponding to the first instruction to a user-defined key if the first instruction is received.
For example, when the user wants to add "volume-" to add the "volume-" to the second-level menu, the user can add the "volume-" to the second-level menu by clicking the "volume-" on the remote controller, and successfully add a user-defined key, and the user can select the "volume-" to reduce the volume by expanding the second-level menu next time. The user can also modify the icon of the custom key when adding the custom key, and select the icon liked by the user as the icon of the custom key.
The first execution unit 106 is configured to, if the selection item is a function item, execute a corresponding function of the function item.
In this embodiment, when the user touches the secondary menu, specifically, when the function item of the secondary menu is touched, the function corresponding to the function item may be executed, for example, when the function item of the secondary menu touched by the user is a "menu" function, the menu of the lcd tv may be opened, so that the user can perform the next touch.
The first restoring unit 105a is configured to retrieve the secondary menu if the corresponding function of the function item is executed.
When the function corresponding to the function item of the second-level menu is executed, for example, "menu" is executed, the menu page of the lcd tv is entered, so as to avoid the user from operating the second-level menu by mistake, and the second-level menu is automatically retrieved to facilitate the user to perform other operations.
The second adjusting unit 105b is configured to adjust the coordinates of the floating ball according to the first preset rule.
When the secondary menu is retracted, in order to ensure that the coordinates of the floating ball can be consistent with the coordinates before the secondary menu is expanded, the coordinates of the floating ball also need to be adjusted according to a first preset rule.
Referring to fig. 9, in response to the above-mentioned touch method for the lcd tv, another embodiment of the present invention further provides a touch device for the lcd tv, where the device 400 includes: a first judging unit 401, a fourth judging unit 402, a fifth adjusting unit 403, and a sixth adjusting unit 404.
The first determining unit 401 is configured to, if a touch screen operation of a user is detected, identify an operation type of the touch screen operation.
In this embodiment, the lcd tv is further provided with a floating ball besides touch, the floating ball is disposed at any position of the touch interface of the lcd tv, and when a user operates the tv in a touch manner, the user can select any corresponding function of the touch interface of the lcd tv, for example, the touch interface is provided with functions of "drama", "movie", and "art program", and the user can click the corresponding function with a finger to achieve the user's purpose, for example, the user can click "drama" to enter the drama interface, thereby selecting the corresponding drama program, which belongs to the conventional touch function of the lcd tv.
The fourth determining unit 402 is configured to determine whether the current state of the floating ball is an expanded secondary menu if the operation type is dragging the floating ball.
The floating ball can be located at any position of a liquid crystal display television display screen under the general condition, if the floating ball is located near the edge of the display screen, the floating ball can be automatically attached to the edge when a user does not use the floating ball, if the floating ball is located at other positions, the floating ball can be transparent in place, however, the user can mistakenly touch the floating ball easily when performing touch control, the floating ball needs to be dragged, the position of the floating ball is changed, the situation that a secondary menu is unfolded can occur in the dragging process, and therefore whether the secondary menu is unfolded or not in the dragging process of the floating ball needs to be judged.
The fifth adjusting unit 403 is configured to retrieve the secondary menu and adjust the coordinate of the floating ball according to a first preset rule if the current state of the floating ball is that the secondary menu is expanded.
When the second-level menu is expanded by the floating ball, the second-level menu is collected, the coordinates of the floating ball are adjusted according to a first preset rule, and the second-level menu is expanded in the dragging process, so that the coordinates of the floating ball need to be corrected in order to ensure that the floating ball can reach the position specified by a user.
The sixth adjusting unit 404 is configured to adjust the coordinate of the floating ball according to a second preset rule if the current state of the floating ball is that the secondary menu is not expanded.
When the floating ball does not expand the secondary menu and smoothly reaches the position designated by the user, the coordinates of the floating ball need to be adjusted according to a second preset rule to ensure that the floating ball can accurately move to the position designated by the user, and the second preset rule can be used for calculating the proportional relation between the coordinates of the finger touch position of the user and the central point of the image of the floating ball and correcting the current coordinates of the floating ball.
Referring to fig. 10, in response to the above-mentioned touch method of the lcd tv, another embodiment of the present invention further provides a touch device of the lcd tv, where the device 500 includes: a first judgment unit 501, a fifth judgment unit 502, and a first return unit 503.
The first determining unit 501 is configured to, if a touch screen operation of a user is detected, identify an operation type of the touch screen operation.
In this embodiment, the lcd tv is further provided with a floating ball besides touch, the floating ball is disposed at any position of the touch interface of the lcd tv, and when a user operates the tv in a touch manner, the user can select any corresponding function of the touch interface of the lcd tv, for example, the touch interface is provided with functions of "drama", "movie", and "art program", and the user can click the corresponding function with a finger to achieve the user's purpose, for example, the user can click "drama" to enter the drama interface, thereby selecting the corresponding drama program, which belongs to the conventional touch function of the lcd tv.
The fifth determining unit 502 is configured to set the boundary sliding range as a first threshold if the operation type is boundary sliding, and determine whether the first threshold reaches a preset threshold.
When the operation type of the user is sliding along the boundary of the display screen frame of the liquid crystal television, specifically, sliding from the display screen frame to the middle area of the display screen, the sliding length of the user can be judged, namely the length from the coordinate when the user touches the screen to the coordinate of the position contacted by the user when the user stops sliding, the length is set as a first threshold, and when the first threshold is greater than a preset threshold, the operation corresponding to the sliding instruction can be executed; when the first threshold is smaller than the preset threshold, the operation of returning to the upper menu is not performed, and the corresponding function may be performed according to the position touched by the user.
Because the size of the display screen of the LCD TV is larger and far exceeds the mobile equipment, the virtual keys on the display screen of the LCD TV are also relatively longer, therefore, in the embodiment of the invention, the numerical value of the preset threshold value of the boundary sliding is usually set to be larger, so that the problem that a user is easy to operate by mistake when some virtual keys are arranged on the boundary is avoided, for example, a virtual key of a next page is arranged on the boundary of the display screen, when the user touches the virtual key, the user aims to enter the next page, but because the virtual key is arranged on the boundary, when the user slightly slides, the virtual key is easy to return to a previous menu, so that the numerical value of the preset threshold value is set to be larger than the common threshold value, the misjudgment is avoided, meanwhile, the boundary sliding can be carried out not only at the two ends of the display screen, but also can be carried out up and down sliding of the display screen, so that a plurality of identification areas are increased, the use experience of the user is improved.
The first returning unit 503 is configured to execute a return to a previous menu instruction if the first threshold reaches a preset threshold.
When the first threshold reaches a preset threshold, an operation of returning to the upper menu may be performed.
Referring to fig. 11, fig. 11 is a schematic block diagram of an intelligent device according to an embodiment of the present application.
Referring to fig. 11, the intelligent device may be an intelligent lcd-tv device 1100, which includes a touch-sensitive lcd (not shown), a processor 1102 connected via a system bus 1101, a memory, and a network interface 1105, wherein the memory may include a nonvolatile storage medium 1103 and an internal memory 1104.
The nonvolatile storage medium 1103 can store an operating system 11031 and a liquid crystal television program 11032. When the lcd tv program 11032 is executed, the processor 1102 may execute a touch method of the lcd tv.
The processor 1102 is used to provide computing and control capabilities to support the operation of the overall lcd-tv apparatus 1100.
The internal memory 1104 provides an environment for running the lcd tv program 11032 in the non-volatile storage medium 1103, and when the lcd tv program 11032 is executed by the processor 1102, the processor 1102 may execute a touch method of the lcd tv.
The network interface 1105 is used for network communications with other devices. Those skilled in the art will appreciate that the structure shown in fig. 11 is only a block diagram of a part of the structure related to the present application, and does not constitute a limitation to the lcd-tv apparatus 1100 to which the present application is applied, and a specific lcd-tv apparatus 1100 may include more or less components than those shown in the figure, or combine some components, or have a different arrangement of components.
The processor 1102 is configured to run the lcd tv program 11032 stored in the memory, so as to implement the following steps: if the touch screen operation of the user is detected, identifying the operation type of the touch screen operation; if the operation type is the touch levitating ball, judging whether the current state of the levitating ball is an expansion secondary menu or not, wherein the secondary menu comprises a plurality of selection items; if the current state of the floating ball is that the secondary menu is expanded, judging whether an operation instruction of the user on the secondary menu is received; if the operation instruction of the user on the secondary menu is not received, the secondary menu is folded, and the coordinates of the floating ball are adjusted according to a first preset rule; if an operation instruction of the user on the secondary menu is received, determining a selected item selected by the user in the secondary menu according to the operation instruction and identifying the type of the selected item, wherein the type of the selected item comprises a function item corresponding to a key of a remote controller; and if the selection item is a function item, executing the corresponding function of the function item.
In an embodiment, when the processor 1102 implements the steps included in the step of adjusting the coordinates of the floating ball according to the first preset rule, the following steps are specifically implemented: confirming the center position coordinates of the touch points according to the positions of the users when touching; calculating the offset of the center position coordinate relative to the secondary menu starting point coordinate according to the relation between the arc length and the side length of the secondary menu; and adjusting the coordinates of the floating ball according to the offset.
In an embodiment, after implementing the step of executing the corresponding function of the function item if the selection item is the function item, the processor 1102 further includes: if the corresponding function of the function item is finished, the secondary menu is recovered; and adjusting the coordinates of the floating ball according to the first preset rule.
In an embodiment, after implementing the step of identifying an operation type of the touch screen operation if the touch screen operation of the user is detected, the processor 1102 further includes: if the operation type is dragging the floating ball, judging whether the current state of the floating ball is an expansion secondary menu; if the current state of the floating ball is that the secondary menu is expanded, the secondary menu is recovered, and the coordinates of the floating ball are adjusted according to a first preset rule; and if the current state of the levitated ball is that the secondary menu is not expanded, adjusting the coordinates of the levitated ball according to a second preset rule.
In an embodiment, when implementing the step of determining, according to the operation instruction, the selected item selected by the user in the secondary menu and identifying the type of the selected item if the operation instruction of the user to the secondary menu is received, the processor 1102 specifically implements the following steps: if the user touches the self-defining item, entering a user-defined key adding interface; if entering an interface for adding a user-defined key, receiving a first instruction sent by a remote controller; and if the first instruction is received, adding the function corresponding to the first instruction as a self-defined key.
In an embodiment, after the step of receiving the first instruction sent by the remote controller if the step of adding the custom key interface is entered, the processor 1102 further includes: if the first instruction is not received, the secondary menu is withdrawn after the preset waiting time; and adjusting the coordinates of the floating ball according to the first preset rule.
In an embodiment, after implementing the step of identifying an operation type of the touch screen operation if the touch screen operation of the user is detected, the processor 1102 further includes: if the operation type is boundary sliding, setting the boundary sliding range as a first threshold value, and judging whether the first threshold value reaches a preset threshold value; and if the first threshold value reaches a preset threshold value, executing a command of returning to a superior menu.
It should be understood that in the present embodiment, the Processor 1102 may be a Central Processing Unit (CPU), and the Processor 1102 may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, etc. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
It can be understood by those skilled in the art that all or part of the flow of the method implementing the above embodiments may be implemented by instructing the relevant hardware through the lcd tv program. The liquid crystal television program can be stored in a storage medium, and the storage medium is a readable storage medium of the liquid crystal television. The lcd-tv program is executed by at least one processor in the lcd-tv system to implement the process steps of the embodiments of the method described above.
Accordingly, the present invention also provides a storage medium. The storage medium may be a liquid crystal television readable storage medium. The storage medium stores a liquid crystal television program, which when executed by the processor causes the processor to perform the steps of: if the touch screen operation of the user is detected, identifying the operation type of the touch screen operation; if the operation type is the touch levitating ball, judging whether the current state of the levitating ball is an expansion secondary menu or not, wherein the secondary menu comprises a plurality of selection items; if the current state of the floating ball is that the secondary menu is expanded, judging whether an operation instruction of the user on the secondary menu is received; if the operation instruction of the user on the secondary menu is not received, the secondary menu is folded, and the coordinates of the floating ball are adjusted according to a first preset rule; if an operation instruction of the user on the secondary menu is received, determining a selected item selected by the user in the secondary menu according to the operation instruction and identifying the type of the selected item, wherein the type of the selected item comprises a function item corresponding to a key of a remote controller; and if the selection item is a function item, executing the corresponding function of the function item.
In an embodiment, when the processor executes the steps included in the step of adjusting the coordinates of the floating ball according to the first preset rule, the following steps are specifically implemented: confirming the center position coordinates of the touch points according to the positions of the users when touching; calculating the offset of the center position coordinate relative to the secondary menu starting point coordinate according to the relation between the arc length and the side length of the secondary menu; and adjusting the coordinates of the floating ball according to the offset.
In an embodiment, after the step of executing the corresponding function of the function item if the selection item is the function item, the processor further includes: if the corresponding function of the function item is finished, the secondary menu is recovered; and adjusting the coordinates of the floating ball according to the first preset rule.
In an embodiment, after the step of identifying the operation type of the touch screen operation if the touch screen operation of the user is detected is executed by the processor, the method further includes: if the operation type is dragging the floating ball, judging whether the current state of the floating ball is an expansion secondary menu; if the current state of the floating ball is that the secondary menu is expanded, the secondary menu is recovered, and the coordinates of the floating ball are adjusted according to a first preset rule; and if the current state of the levitated ball is that the secondary menu is not expanded, adjusting the coordinates of the levitated ball according to a second preset rule.
In an embodiment, when the processor executes the step of determining the selected item in the secondary menu and identifying the type of the selected item according to the operation instruction if the operation instruction of the user to the secondary menu is received, the following steps are specifically implemented: if the user touches the self-defining item, entering a user-defined key adding interface; if entering an interface for adding a user-defined key, receiving a first instruction sent by a remote controller; and if the first instruction is received, adding the function corresponding to the first instruction as a self-defined key.
In an embodiment, after the step of receiving the first instruction sent by the remote controller if the step of adding the customized key interface is entered, the processor further includes: if the first instruction is not received, the secondary menu is withdrawn after the preset waiting time; and adjusting the coordinates of the floating ball according to the first preset rule.
In an embodiment, after the step of identifying the operation type of the touch screen operation if the touch screen operation of the user is detected is executed by the processor, the method further includes: if the operation type is boundary sliding, setting the boundary sliding range as a first threshold value, and judging whether the first threshold value reaches a preset threshold value; and if the first threshold value reaches a preset threshold value, executing a command of returning to a superior menu.
The storage medium is an entity and non-transitory storage medium, and may be various entity storage media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a magnetic disk, or an optical disk.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, various elements or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be merged, divided and deleted according to actual needs. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing an intelligent device having a touch-sensitive display screen to execute all or part of the steps of the method according to the embodiments of the present invention.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A touch control method of a liquid crystal television is characterized by comprising the following steps:
if the touch screen operation of the user is detected, identifying the operation type of the touch screen operation;
if the operation type is dragging the floating ball, judging whether the current state of the floating ball is an expansion secondary menu;
if the current state of the floating ball is that the secondary menu is expanded, the secondary menu is recovered, and the coordinates of the floating ball are adjusted according to a first preset rule;
if the current state of the levitated ball is that the secondary menu is not expanded, adjusting the coordinates of the levitated ball according to a second preset rule;
if the operation type is the touch levitating ball, judging whether the current state of the levitating ball is an expansion secondary menu or not, wherein the secondary menu comprises a plurality of selection items;
if the current state of the floating ball is that the secondary menu is expanded, judging whether an operation instruction of the user on the secondary menu is received;
if the operation instruction of the user on the secondary menu is not received, the secondary menu is folded, and the coordinates of the floating ball are adjusted according to a first preset rule;
if an operation instruction of the user on the secondary menu is received, determining a selected item selected by the user in the secondary menu according to the operation instruction and identifying the type of the selected item, wherein the type of the selected item comprises a function item corresponding to a key of a remote controller;
if the selection item is a function item, executing a corresponding function of the function item;
if the corresponding function of the function item is finished, the secondary menu is recovered;
adjusting the coordinates of the floating ball according to the first preset rule;
wherein the step of adjusting the coordinates of the levitation ball according to a first preset rule comprises:
confirming the center position coordinates of the touch points according to the positions of the users when touching;
calculating the offset of the center position coordinate relative to the secondary menu starting point coordinate according to the relation between the arc length and the side length of the secondary menu;
and adjusting the coordinates of the floating ball according to the offset.
2. The touch method according to claim 1, wherein the selection items further include a self-defined item, and the step of determining the selection item selected by the user in the secondary menu and identifying the type of the selection item according to the operation instruction if the operation instruction of the user on the secondary menu is received includes:
if the user touches the self-defining item, entering a user-defined key adding interface;
if entering an interface for adding a user-defined key, receiving a first instruction sent by a remote controller;
and if the first instruction is received, adding the function corresponding to the first instruction as a self-defined key.
3. The touch method of claim 2, wherein after the step of receiving the first command sent by the remote controller if entering the step of adding the custom key interface, the method further comprises:
if the first instruction is not received, the secondary menu is withdrawn after the preset waiting time;
and adjusting the coordinates of the floating ball according to the first preset rule.
4. The touch method according to claim 1, wherein, after the step of identifying the operation type of the touch screen operation if the touch screen operation of the user is detected, the method includes:
if the operation type is boundary sliding, setting the boundary sliding range as a first threshold value, and judging whether the first threshold value reaches a preset threshold value;
and if the first threshold value reaches a preset threshold value, executing a command of returning to a superior menu.
5. A touch device of a liquid crystal television is characterized in that the device comprises:
the first judging unit is used for identifying the operation type of the touch screen operation if the touch screen operation of a user is detected;
the fourth judging unit is used for judging whether the current state of the floating ball is an expanded secondary menu or not if the operation type is dragging the floating ball;
a fifth adjusting unit, configured to retrieve the secondary menu and adjust the coordinate of the floating ball according to a first preset rule if the current state of the floating ball is that the secondary menu is expanded;
a sixth adjusting unit, configured to adjust the coordinate of the floating ball according to a second preset rule if the current state of the floating ball is that the secondary menu is not expanded;
a second judging unit, configured to judge whether a current state of the hover ball is an expanded secondary menu if the operation type is a touch hover ball, where the secondary menu includes multiple selection items; a third judging unit, configured to judge whether an operation instruction of the user on the secondary menu is received if the current state of the floating ball is that the secondary menu is expanded;
the first adjusting unit is used for retracting the secondary menu and adjusting the coordinates of the floating ball according to a first preset rule if the operation instruction of the user on the secondary menu is not received;
the first identification unit is used for determining a selected item in the secondary menu selected by a user according to an operation instruction and identifying the type of the selected item if the operation instruction of the user on the secondary menu is received, wherein the type of the selected item comprises a function item corresponding to a key of a remote controller;
the first execution unit is used for executing the corresponding function of the function item if the selection item is the function item;
the first restoring unit is used for recovering the secondary menu if the corresponding function of the function item is executed;
the second adjusting unit is used for adjusting the coordinates of the floating ball according to the first preset rule;
wherein, the adjusting the coordinates of the levitation ball according to the first preset rule comprises:
the first confirming unit is used for confirming the center position coordinates of the touch point according to the position when the user touches;
the first calculating unit is used for calculating the offset of the center position coordinate relative to the secondary menu starting point coordinate according to the relation between the arc length and the side length of the secondary menu;
and the third adjusting unit is used for adjusting the coordinates of the floating ball according to the offset.
6. An intelligent device, wherein the intelligent device comprises a memory and a processor coupled to the memory; the memory is used for storing a computer program; the processor is adapted to run a computer program stored in the memory to perform the steps of the method according to any of claims 1-4.
7. A computer-readable storage medium, characterized in that the storage medium stores a computer program which, when being executed by a processor, realizes the steps of the method according to any one of claims 1 to 4.
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