CN111857486A - List processing method, device, equipment and storage medium - Google Patents
List processing method, device, equipment and storage medium Download PDFInfo
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- CN111857486A CN111857486A CN201910334826.4A CN201910334826A CN111857486A CN 111857486 A CN111857486 A CN 111857486A CN 201910334826 A CN201910334826 A CN 201910334826A CN 111857486 A CN111857486 A CN 111857486A
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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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- 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]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/0485—Scrolling or panning
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- 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
Abstract
The application provides a list processing method, a list processing device, list processing equipment and a storage medium, wherein the method comprises the following steps: the method comprises the steps that sliding operation information when a user performs sliding operation is obtained, wherein the sliding operation information comprises first position information, second position information and sliding time, the first position information is position information of an initial touch point, the second position information is position information of a termination touch point, the first position information and the second position information are position information obtained by taking a first coordinate system as a coordinate system, and the first coordinate system is the coordinate system where a screen of the terminal equipment is located; determining the sliding distance of a list displayed by the terminal equipment according to the sliding operation information; and sliding the list according to the sliding distance. The sliding distance of the list is accurately determined, the calculated sliding distance is consistent with the expectation of the user, and the list can slide to the position desired by the user; the sliding effect of the list can be optimized, and the user experience is improved.
Description
Technical Field
The present application relates to terminal technologies, and in particular, to a method, an apparatus, a device, and a storage medium for processing a list.
Background
With the development of terminal equipment, the terminal equipment is widely applied to the life and work of people. Various applications may be installed in the terminal device, and the applications may display a list with displayed content. The list is provided with a control, and the terminal device displays the content in the control. The user can further slide the list displayed by the terminal device by touching the screen of the terminal device.
In the prior art, a terminal device displays a list; when a user touches a screen of the terminal equipment to perform sliding operation, fingers of the user can perform pressing, moving and lifting actions on the screen of the terminal equipment; the terminal equipment can acquire position information of a touch point of sliding operation; the position information acquired by the terminal device is relative to the control corresponding to the touch point, for example, the position information of the initial touch point is relative to the control in which the initial touch point is located; the terminal equipment further determines the distance of the list needing to slide according to the position information of the touch point of the sliding operation; then, the terminal device slides the list.
However, in the prior art, when the terminal device displays the list, a header area is provided at the top of the list, that is, the terminal device displays the header area and the list; the header area may be collapsed or expanded. When the distance that the list needs to be slid after the sliding operation is calculated, the position information adopted by the terminal device is relative to the control in which the touch point is located, the retraction or expansion of the header area can influence the correct determination of the sliding distance of the list, and the sliding distance calculated by the terminal device based on such position information is different from the expectation of the user, so that the list cannot be slid to the position desired by the user, and the user experience is poor.
Disclosure of Invention
The application provides a list processing method, a list processing device, list processing equipment and a list processing storage medium, which are used for solving the problem of calculation of terminal equipment; the sliding distance of the list is different from the expectation of the user, resulting in a problem that the list cannot slide to the position desired by the user.
In a first aspect, the present application provides a method for processing a list, which is applied to a terminal device, where the terminal device is configured to display the list, and the method includes:
the method comprises the steps of obtaining sliding operation information when a user performs sliding operation, wherein the sliding operation information comprises first position information, second position information and sliding time, the first position information is position information of an initial touch point in the sliding operation process, the second position information is position information of a termination touch point in the sliding operation process, the sliding time is time of sliding operation from the initial touch point to the termination touch point, the first position information and the second position information are position information obtained by taking a first coordinate system as the coordinate system, and the first coordinate system is the coordinate system where a screen of the terminal equipment is located;
Determining the sliding distance of the list displayed by the terminal equipment according to the sliding operation information;
and sliding the list according to the sliding distance.
Further, the acquiring sliding operation information when the user performs the sliding operation includes:
acquiring third position information corresponding to the initial touch point, fourth position information corresponding to the termination touch point and the sliding time when the user performs the sliding operation, wherein the third position information is position information acquired by taking a second coordinate system as a coordinate system, the second coordinate system is the coordinate system of a first control where the initial touch point is located, the fourth position information is position information acquired by taking a third coordinate system as the coordinate system, the third coordinate system is the coordinate system of a second control where the termination touch point is located, and the first control and the second control are located in the list;
and converting the third position information into the first position information and converting the fourth position information into the second position information by taking the first coordinate system as a reference coordinate system.
Further, with the first coordinate system as a reference coordinate system, converting the third position information into the first position information, and converting the fourth position information into the second position information, including:
Converting the numerical value represented by the third position information into a zero value to obtain a first intermediate value, and converting the numerical value represented by the fourth position information into a zero value to obtain a second intermediate value;
and converting the first intermediate value into the first position information and converting the second intermediate value into the second position information according to the first coordinate system as a reference coordinate system.
Further, determining a sliding distance of the list displayed by the terminal device according to the sliding operation information includes:
determining a moving distance according to the first position information and the second position information;
determining the instantaneous speed corresponding to the list according to the moving distance and the sliding time;
determining the sliding distance of the list according to the instantaneous speed and a preset deceleration.
Further, according to the sliding distance, sliding the list, including:
determining a stopping time period and a sliding speed of the list at each moment in the stopping time period according to the instantaneous speed and a preset deceleration;
controlling the list to slide the sliding distance within the stopping time period at the sliding speed of each time.
Further, the method further comprises:
acquiring a click operation instruction of a user;
and controlling the list to stop sliding according to the click operation instruction.
In a second aspect, the present application provides a terminal device, where the terminal device is configured to display a list, and the terminal device includes:
the terminal device comprises a first obtaining unit, a second obtaining unit and a display unit, wherein the first obtaining unit is used for obtaining sliding operation information when a user performs sliding operation, the sliding operation information comprises first position information, second position information and sliding time, the first position information is position information of an initial touch point in the sliding operation process, the second position information is position information of a termination touch point in the sliding operation process, the sliding time is time for sliding operation from the initial touch point to the termination touch point, the first position information and the second position information are position information obtained by taking a first coordinate system as a coordinate system, and the first coordinate system is a coordinate system where a screen of the terminal device is located;
a determining unit, configured to determine a sliding distance of the list displayed by the terminal device according to the sliding operation information;
And the sliding unit is used for sliding the list according to the sliding distance.
Further, the first obtaining unit includes:
an obtaining module, configured to obtain third position information corresponding to the initial touch point, fourth position information corresponding to the termination touch point, and the sliding time when the user performs the sliding operation, where the third position information is position information obtained by using a second coordinate system as a coordinate system, the second coordinate system is a coordinate system where a first control located at the initial touch point is located, the fourth position information is position information obtained by using a third coordinate system as a coordinate system, the third coordinate system is a coordinate system where a second control located at the termination touch point is located, and the first control and the second control are located in the list;
and the conversion module is used for converting the third position information into the first position information and converting the fourth position information into the second position information by taking the first coordinate system as a reference coordinate system.
Further, the conversion module includes:
the first conversion submodule is used for converting the numerical value represented by the third position information into a zero value to obtain a first intermediate value, and converting the numerical value represented by the fourth position information into a zero value to obtain a second intermediate value;
And the second conversion submodule is used for converting the first intermediate value into the first position information and converting the second intermediate value into the second position information according to the first coordinate system serving as a reference coordinate system.
Further, the determining unit includes:
the first determining module is used for determining a moving distance according to the first position information and the second position information;
a second determining module, configured to determine an instantaneous speed corresponding to the list according to the moving distance and the sliding time;
and the third determining module is used for determining the sliding distance of the list according to the instantaneous speed and the preset deceleration.
Further, the sliding unit includes:
the fourth determining module is used for determining a stopping time period and a sliding speed of the list at each moment in the stopping time period according to the instantaneous speed and a preset deceleration;
and the sliding module is used for controlling the list to slide the sliding distance in the stopping time period at the sliding speed of each moment.
Further, the terminal device further includes:
the second acquisition unit is used for acquiring a click operation instruction of a user;
And the stopping module is used for controlling the list to stop sliding according to the click operation instruction.
In a third aspect, the present application provides a terminal device comprising means or means (means) for performing the steps of any of the methods of the first aspect above.
In a fourth aspect, the present application provides a terminal device comprising a processor, a memory and a computer program, wherein the computer program is stored in the memory and configured to be executed by the processor to implement any of the methods of the first aspect.
In a fifth aspect, the present application provides a terminal device comprising at least one processing element or chip for performing any of the methods of the first aspect above.
In a sixth aspect, the present application provides a computer program for performing any of the methods of the first aspect above when executed by a processor.
In a seventh aspect, the present application provides a computer readable storage medium having the computer program of the sixth aspect stored thereon.
According to the list processing method, the list processing device, the list processing equipment and the list processing storage medium, when a user slides the list displayed on the screen of the terminal equipment, the terminal equipment determines the distance of the list which needs to slide after the sliding operation according to the relative position information between the initial touch point of the sliding operation and the screen and the relative position information between the termination touch point of the sliding operation and the screen; determining the sliding distance without adopting the relative position information between the touch point and the control; the problem of inaccurate calculated sliding distance is avoided; the sliding distance of the list can be accurately determined, the calculated sliding distance is consistent with the expectation of the user, and the list can slide to the position desired by the user; the sliding effect of the list can be optimized, and the user experience is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a first schematic diagram of a list provided in an embodiment of the present application;
fig. 2 is a schematic flowchart of a method for processing a list according to an embodiment of the present application;
fig. 3 is a second schematic diagram of a list provided in an embodiment of the present application;
FIG. 4 is a third schematic diagram of a list provided by an embodiment of the present application;
fig. 5 is a schematic flowchart of another list processing method provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of another terminal device provided in an embodiment of the present application;
fig. 8 is a schematic structural diagram of another terminal device provided in the embodiment of the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The embodiment of the application can be applied to an Android system (Android) of the terminal equipment, an IOS system of the terminal equipment and any operating system which may appear in the present and future.
It should be noted that the terms or terms referred to in the embodiments of the present application may be mutually referred and are not described in detail.
The application has the specific application scenarios that: various applications may be installed in the terminal device, and the applications may display a list with displayed content. Specifically, the terminal device provides a header area and a container on a display interface of an application program, wherein the number of the header areas is one or more; each header area is used for displaying content; the container comprises a plurality of controls, each control for displaying content, such that the container constitutes a list; optionally, the container may further include one or more parent containers, each parent container includes a plurality of controls, and each control is used for displaying content.
Fig. 1 is a schematic diagram of a list according to an embodiment of the present application, as shown in fig. 1, a terminal device provides 2 header areas on a display interface, where one header area is used to display an advertisement, and the other header area is used to display selection icons of "comprehensive ranking", "sales ranking", "price ranking", and "filtering"; a list is provided, which is a container having a plurality of controls in the container, each for displaying content, e.g., content currently displayed on control 1, content on control 2, content on control 3, content on control 4.
Wherein, the head area can be folded, unfolded and sucked; when the user slides the list upwards, the header area is retracted, then the list moves upwards, and when the header area leaves, then the list is scrolled; as the user slides down the list, the header area expands, then the list moves down, then the list scrolls again, and then as the order for the container is approached, there is also a remaining header area that expands.
In the prior art, when a user touches a screen of a terminal device to perform a sliding operation, fingers of the user can perform actions of pressing, moving and lifting on the screen of the terminal device; the terminal equipment can acquire position information of a touch point of sliding operation; the position information acquired by the terminal device is relative to the control corresponding to the touch point, for example, the position information of the initial touch point is relative to the control in which the initial touch point is located; the terminal equipment further determines the distance of the list needing to slide according to the position information of the touch point of the sliding operation; then, the terminal device slides the list. However, when the distance that the list needs to be slid after the sliding operation is calculated, the position information adopted by the terminal device is relative to the control where the touch point is located, and the retraction or expansion of the header area may affect the correct determination of the sliding distance of the list, and the sliding distance calculated by the terminal device based on such position information is different from the expectation of the user, so that the list cannot be slid to the position desired by the user, and the user experience is poor.
The application provides a list processing method, a list processing device, a list processing apparatus and a storage medium, which aim to solve the above technical problems in the prior art.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Fig. 2 is a flowchart illustrating a list processing method according to an embodiment of the present application. As shown in fig. 1, the method includes:
101. the method comprises the steps of obtaining sliding operation information when a user performs sliding operation, wherein the sliding operation information comprises first position information, second position information and sliding time, the first position information is position information of an initial touch point in the sliding operation process, the second position information is position information of a termination touch point in the sliding operation process, the sliding time is time from the initial touch point to the termination touch point of the sliding operation, the first position information and the second position information are position information obtained by taking a first coordinate system as a coordinate system, and the first coordinate system is the coordinate system where a screen of the terminal device is located.
In this embodiment, the execution subject of this embodiment may be a terminal device, or a server, or a processing device or device of a list, or other devices or devices that may execute the method of this embodiment. The embodiment is described with an execution subject as a terminal device.
The terminal equipment provides a header area and a container on a display interface of an application program, wherein the number of the header areas is one or more; each header area is used for displaying content; the container comprises a plurality of controls, each control for displaying content; optionally, the container may further include one or more parent containers, each parent container includes a plurality of controls, and each control is used for displaying content; the containers constitute a list. The control may be a RecycleView control. Optionally, when the user touches or slides the header area, the list cannot be triggered to scroll.
The terminal equipment displays a list; when a user touches a screen of the terminal equipment to perform sliding operation, fingers of the user can perform several actions of pressing (down), moving (move) and lifting (up) on the screen of the terminal equipment; at each time of this sliding operation, the terminal device generates an event object, which may be called a sliding event (MotionEvent), and the event object includes the behavior: pressed and moved, or pressed and lifted.
For example, fig. 3 is a schematic diagram of a list provided in the embodiment of the present application, as shown in fig. 3, the terminal device provides 2 header areas on the display interface, where one header area is used to display an advertisement, and the other header area is used to display selection icons of "comprehensive ranking", "sales ranking", "price ranking", and "filtering"; a list is provided, which is a container having a plurality of controls in the container, each for displaying content, e.g., content currently displayed on control 1, content on control 2, content on control 3, content on control 4. The user touches a point A on a screen of the terminal equipment, and then the user performs pressing operation at the point A; the user slides the finger upwards on the screen, and the finger passes through a point B on the screen, wherein the direction of upwards in the upwards sliding mode in the application is the top end of the list, and the direction of downwards in the downwards sliding mode in the application is the bottom end of the list; then, stopping sliding of the fingers of the user at the point C of the screen, lifting the fingers of the user, and carrying out lifting operation on the user at the point C; and the finger of the user performs moving operation between the point A and the point C.
The header area displayed by the terminal equipment can be folded or unfolded; when the user slides the list upwards, the header area is retracted, then the list moves upwards, and then the list is scrolled; as the user slides down the list, the header area expands, then the list moves down, then the list scrolls again, and then as the order for the container is approached, there is also a remaining header area that expands.
After the user completes the lifting operation, the user completes one sliding operation; the terminal device then needs to determine the distance the list needs to slide.
If the scheme in the prior art is adopted, the terminal equipment acquires initial position information and end position information of sliding operation; the initial position information is position information of an initial touch point, and the end position information is position information of an end touch point; the position acquired by the terminal equipment takes a coordinate system where the control corresponding to the touch point is located as a coordinate system; for example, an initial touch point is located on a certain control, a coordinate system is established with a certain point on the control as an origin, the terminal device obtains position information of the initial touch point on the coordinate system, the position information is used as initial position information, and the end position is also determined in such a way; then, the terminal equipment calculates the distance of the list which needs to slide according to the initial position information and the end position information of the sliding operation; then, the terminal device slides the list. In this way, since the header area is first collapsed or expanded during the sliding process of the list, the moving of the header area may affect the sliding distance of the list.
For example, when the terminal device displays the header area and the list, the user slides the list upwards; firstly, the header area can be retracted, at this time, the container can integrally move upwards, namely, the list can integrally move upwards; then, the controls in the container are scrolled in the container, namely, the list is scrolled; the terminal equipment determines the sliding distance of the list by adopting the position information relative to the control; for example, referring to fig. 3, point a is an initial position of a sliding operation, point a is located on a control 3, a coordinate system a is established with an upper left corner of the control 3 as an origin, a terminal device acquires position information of point a in the coordinate system a, the terminal device takes the position information of point a in the coordinate system a as the initial position, point C is an end position of the sliding operation, point C is located on a control 1, a coordinate system C is established with the upper left corner of the control 1 as the origin, the terminal device acquires position information of point C in the coordinate system C, and the terminal device takes the position information of point C in the coordinate system C as the end position information. In the process of the sliding operation, the header is firstly folded, so that the list also moves upwards based on the screen of the terminal equipment, but the finger of the user is also based on the screen; the control moves, and the origin of the position information also changes; thus, the displacement calculated by adopting the initial position information and the end position information is the displacement of the finger relative to the list; the displacement of the finger relative to the list will change; for example, causing the displacement of the finger relative to the list to be constant, or small, or in the opposite direction; when the displacement of the finger relative to the list is adopted to calculate the sliding distance of the list after the sliding operation, the calculated instantaneous speed of the list at the end position is incorrect, so that the calculated sliding distance is incorrect; thus, resulting in a gap between the calculated swipe distance and the user's expectation, the list cannot be swiped to the user's desired location.
For another example, when the terminal device displays the list and a part of the header area, or when the terminal device only displays the list, the user slides down the list; firstly, the header area is expanded, and at the moment, the container moves downwards integrally, namely, the list moves downwards integrally; then, the controls in the container are scrolled in the container, namely, the list is scrolled; the terminal equipment determines the sliding distance of the list by adopting the position information relative to the control; for example, referring to fig. 3, at this time, point C is an initial position of a sliding operation, point C is located on the control 1, a coordinate system C is established with an upper left corner of the control 1 as an origin, the terminal device acquires position information in the coordinate system C of point C, the terminal device takes the position information in the coordinate system C of point C as an initial position, point a is an end position of the sliding operation, point a is located on the control 3, a coordinate system a is established with the upper left corner of the control 3 as an origin, the terminal device acquires position information in the coordinate system a of point a, and the terminal device takes the position information in the coordinate system a of point a as end position information. In the process of the sliding operation, the header is firstly unfolded, so that the list moves downwards based on the screen of the terminal equipment, but the finger of the user is also based on the screen; thus, the displacement calculated by adopting the initial position information and the end position information is the displacement of the finger relative to the list; causing the displacement of the finger relative to the list to change. Also based on the above analysis, this may result in a gap between the calculated sliding distance and the user's expectation, and the list may not slide to the user's desired location.
In the application, when the user performs the sliding operation, the finger of the user can perform several actions of pressing, moving and lifting on the screen of the terminal equipment. The terminal equipment acquires the time of a pressing event and determines that a touch point touched by a user is an initial touch point; the terminal device establishes a first coordinate system by taking a certain point on a screen of the terminal device as an origin, namely the first coordinate system is the coordinate system where the screen of the terminal device is located, for example, the first coordinate system is established by taking the upper left corner of the screen as the origin; the terminal device may obtain position information of the initial touch point on the first coordinate system, and the terminal device uses the position information as position information of the initial touch point, that is, as the first position information. The terminal equipment acquires the time of the lift-up event and determines that a touch point touched by a user is a touch termination point; similarly, with reference to the first coordinate system where the screen of the terminal device is located, the terminal device may obtain the position information of the termination touch point on the first coordinate system, and the terminal device uses the position information as the position information of the termination touch point, that is, as the second position information. The terminal equipment determines the sliding time of the current sliding operation according to the time of the press-down event and the time of the lift-up event; that is, the terminal device subtracts the time when the user triggers the termination touch point from the time when the user triggers the initial touch point, so as to obtain the sliding time.
For example, fig. 4 is a schematic diagram of a list three provided in the embodiment of the present application, as shown in fig. 4, the terminal device provides 3 header areas on the display interface, one header area is used for displaying a search box, another header area is used for displaying an advertisement, and the remaining header area is used for displaying selection icons of "comprehensive ranking", "sales ranking", "price ranking", and "filtering"; a list is provided, which is a container having a plurality of controls in the container, each for displaying content, e.g., content currently displayed on control 1, content on control 2, content on control 3. Referring to fig. 4, a user first touches a point D, where the point D is an initial touch point of a sliding operation, a terminal device acquires position information of the point D in a first coordinate system, and the terminal device uses the position information of the point D in the first coordinate system as first position information; the user slides, and the finger of the user passes through the point E; the user finishes sliding, the position where the user lifts the finger is an F point, the F point is a touch termination point of sliding operation, the terminal equipment acquires the position information of the F point in a first coordinate system, and the terminal equipment takes the position information of the F point in the first coordinate system as second position information; at this point, the user slides up the list; and the terminal equipment calculates the sliding time according to the time when the user touches the D point and the time when the user touches the F point. When the user slides down the list, the terminal device acquires the position information of the initial touch point, the position information of the termination touch point and the sliding time in the above manner.
102. And determining the sliding distance of the list displayed by the terminal equipment according to the sliding operation information.
In this embodiment, after the terminal device has acquired the position information of the initial touch point, the position information of the termination touch point, and the sliding time, the sliding distance of the list can be calculated according to a displacement method of physics.
103. And sliding the list according to the sliding distance.
In this embodiment, the terminal device control list is slid, and after the list is slid by the sliding distance calculated in step 102, the terminal device control list stops sliding.
In this embodiment, sliding operation information when a user performs a sliding operation is obtained, where the sliding operation information includes first position information, second position information, and sliding time, where the first position information is position information of an initial touch point in a sliding operation process, the second position information is position information of a termination touch point in the sliding operation process, the sliding time is time for a sliding operation from the initial touch point to the termination touch point, the first position information and the second position information are both position information obtained by using a first coordinate system as a coordinate system, and the first coordinate system is a coordinate system in which a screen of a terminal device is located; determining the sliding distance of a list displayed by the terminal equipment according to the sliding operation information; and sliding the list according to the sliding distance. When a user slides a list displayed on a screen of the terminal equipment, the terminal equipment determines the distance of the list which needs to slide after the sliding operation according to the relative position information between the initial touch point of the sliding operation and the screen and the relative position information between the termination touch point of the sliding operation and the screen; determining the sliding distance without adopting the relative position information between the touch point and the control; the problem of inaccurate calculated sliding distance is avoided; the sliding distance of the list can be accurately determined, the calculated sliding distance is consistent with the expectation of the user, and the list can slide to the position desired by the user; the sliding effect of the list can be optimized, and the user experience is improved.
Fig. 5 is a flowchart illustrating another list processing method according to an embodiment of the present application. As shown in fig. 5, the method includes:
201. and acquiring third position information corresponding to the initial touch point, fourth position information corresponding to the termination touch point and sliding time when the user performs sliding operation, wherein the third position information is position information obtained by taking a second coordinate system as the coordinate system, the second coordinate system is the coordinate system of the first control where the initial touch point is located, the fourth position information is position information obtained by taking the third coordinate system as the coordinate system, the third coordinate system is the coordinate system of the second control where the termination touch point is located, and the first control and the second control are located in the list.
In this embodiment, the execution subject of this embodiment may be a terminal device, or a server, or a processing device or device of a list, or other devices or devices that may execute the method of this embodiment. The embodiment is described with an execution subject as a terminal device.
The description of the list and the background principle may refer to the embodiment shown in fig. 2, and will not be described again.
When the user performs the sliding operation, the finger of the user can press, move and lift on the screen of the terminal device. The terminal equipment acquires the time of a pressing event and determines that a touch point touched by a user is an initial touch point; the initial touch point is positioned on the first control, the terminal equipment takes a certain point of the first control as an original point, and a second coordinate system is established, namely the second coordinate system is the coordinate system of the first control; for example, a second coordinate system is established by taking the upper left corner of the first control as an origin; the terminal device may determine position information of the initial touch point on the second coordinate system, and the terminal device uses the position information as position information of the initial touch point, that is, as third position information. The terminal equipment acquires the time of the lift-up event and determines that a touch point touched by a user is a touch termination point; the terminal equipment establishes a third coordinate system by taking a certain point of the second control as an original point, namely the third coordinate system is a coordinate system where the second control is located; for example, a third coordinate system is established with the upper left corner of the second control as the origin; the terminal device may determine position information of the termination touch point on the third coordinate system, and the terminal device uses the position information as position information of the termination touch point, that is, as fourth position information.
The terminal equipment determines the sliding time of the sliding operation according to the time when the user triggers the initial touch point and the time when the user triggers the termination touch point; that is, the terminal device subtracts the time when the user triggers the termination touch point from the time when the user triggers the initial touch point, so as to obtain the sliding time.
For example, referring to fig. 4, the user first touches a point D, where the point D is an initial touch point of the sliding operation and the point D is located on the control 3; establishing a second coordinate system by taking the upper left corner of the control 3 as an origin, determining the position information of the point D in the second coordinate system by the terminal equipment, and taking the position information of the point D in the second coordinate system as third position information by the terminal equipment; the user slides, and the finger of the user passes through the point E; the user finishes sliding, the position where the user lifts the finger is a point F, the point F is a termination touch point of the sliding operation, and the point F is positioned on the control 1; establishing a third coordinate system by taking the upper left corner of the control 1 as an origin, determining the position information of the point F in the third coordinate system by the terminal equipment, and taking the position information of the point F in the third coordinate system as fourth position information by the terminal equipment; at this point, the user slides up the list; and the terminal equipment calculates the sliding time according to the time when the user touches the D point and the time when the user touches the F point. When the user slides down the list, the terminal device acquires the position information of the initial touch point, the position information of the termination touch point and the sliding time in the above manner.
202. And converting the third position information into the first position information and converting the fourth position information into the second position information by taking the first coordinate system as a reference coordinate system.
Optionally, step 202 specifically includes the following steps:
and step one, converting the numerical value represented by the third position information into a zero value to obtain a first intermediate value, and converting the numerical value represented by the fourth position information into a zero value to obtain a second intermediate value.
And secondly, converting the first intermediate value into first position information and converting the second intermediate value into second position information according to the first coordinate system serving as a reference coordinate system.
In this embodiment, since the position acquired in step 201 is relative to the control, the position information relative to the control needs to be converted into position information relative to the screen.
The terminal equipment establishes a first coordinate system by taking a certain point of a screen as an origin; the terminal device takes the first coordinate system as a reference coordinate system, converts the third position information into the first position information, and converts the fourth position information into the second position information.
Specifically, the terminal device converts coordinate values of the third position information into zero values, and then obtains a first intermediate value; then, the terminal device uses the first coordinate system as a reference coordinate system to perform translation processing on the first intermediate value to obtain first position information. The terminal equipment converts the coordinate values of the fourth position information into zero values, and then obtains a second intermediate value; and then, the terminal equipment takes the first coordinate system as a reference coordinate system, and carries out translation processing on the second intermediate value to obtain second position information.
For example, referring to fig. 4, point D is an initial touch point of a sliding operation, and point D is located on the control 3; establishing a second coordinate system by taking the upper left corner of the control 3 as an origin, determining the position information of the point D in the second coordinate system by the terminal equipment, and taking the position information of the point D in the second coordinate system as third position information by the terminal equipment (x1, y 1); then, the terminal device translates the third position information (x1, y1) to obtain coordinate values (0, 0); then, the terminal device performs translation processing on the initial touch point by using the first coordinate system as a reference coordinate system to obtain first coordinate information (x2, y 2).
203. And determining the moving distance according to the first position information and the second position information.
In the embodiment, the terminal device determines the position of an initial touch point relative to the screen and the position of a termination touch point relative to the screen; the terminal device obtains the first position information and the second position information.
Then, the terminal device performs displacement calculation on the coordinate value of the first position information and the coordinate value of the second position information to obtain the movement distance.
204. And determining the instantaneous speed corresponding to the list according to the moving distance and the sliding time.
In this embodiment, the terminal device divides the moving distance by the sliding time to obtain an instantaneous speed, which is the instantaneous speed of the list after the user completes the sliding operation.
In the sliding operation process, the terminal device can determine the touch point at any time in the sliding operation process by adopting the above mode, and determine the position information of the touch point at any time and the sliding time at any time; the terminal equipment can determine the displacement at any moment according to the position information of the touch point at any moment and the position information of the initial touch point; and the terminal equipment removes the position at any moment by the corresponding sliding time to obtain the instantaneous speed at any moment.
205. The sliding distance of the list is determined based on the instantaneous speed and the preset deceleration.
In the present embodiment, the terminal device sets a deceleration a in advance; for each time t after the sliding operation, the terminal device may determine that the sliding speed v at each time t of the list is v0+ at, and v0 is the above-described instantaneous speed.
Then, for each time t after the sliding operation, the terminal device determines the displacement s ═ v0 × (1/2) × a × t of the list at each time t2。
And, the terminal device may determine the time when the list stops sliding, i.e. determine the stop time period T ═ v 0/a; thus, the terminal device may determine that the list has a sliding distance s1 ═ v0 × T + (1/2) × a × T when the list stops sliding 2。
206. Based on the instantaneous speed and the preset deceleration, the stopping period and the slip speed at each moment in the stopping period are determined.
In this embodiment, referring to step 205, the terminal device determines the stop time period T; the terminal device may also determine the sliding speed v of the list at each time T within T during the stopping time period T.
The following code can be used to calculate the sliding velocity v of the list at each time T within T.
207. The control list slides the sliding distance within the stopping period at the sliding speed at each time.
In this embodiment, after the finger of the user is lifted, one sliding operation is completed, and then the terminal device may control the list to slide at each time t at the sliding speed v corresponding to the time t; and, the terminal device control list stops sliding for the stop period T, the terminal device control list slides by the distance s 1. Further, inertial sliding is realized.
The terminal equipment can transmit the interaction speed v to the control through the following codes to realize the sliding of the list, namely realize the inertial sliding.
public boolean fling(int velocityX,int velocityY){return super.fling(velocityX,(int)mVelocityY)；}。
208. Acquiring a click operation instruction of a user; and according to the click operation instruction, the control list stops sliding.
In the present embodiment, during the sliding process in step 207, the user inputs a stop instruction, that is, the user clicks the screen of the terminal device; at the moment, the terminal equipment acquires a click operation instruction of a user; at this time, the terminal device control list stops sliding. Therefore, the list can be controlled to stop moving and sliding in a man-machine interaction mode.
In this embodiment, when a user slides a list displayed on a screen of a terminal device, the terminal device determines a distance that the list needs to be slid after the sliding operation according to information of a relative position between an initial touch point of the sliding operation and the screen and information of a relative position between a termination touch point of the sliding operation and the screen; determining the sliding distance without adopting the relative position information between the touch point and the control; the problem of inaccurate calculated sliding distance is avoided; the sliding distance of the list can be accurately determined, the calculated sliding distance is consistent with the expectation of the user, and the list can slide to the position desired by the user; moreover, no matter how the position of the list changes, the list scrolling effect seen by the user is in line with what the user thinks about; the sliding effect of the list can be optimized, and the user experience is improved. Also, after the sliding operation, the terminal device may calculate the list stop time period and the sliding speed of the list at each time point in the stop time period, which is also calculated based on the relative position of the screen, instead of the control, so that the scrolling of the list is visually based on the screen in fact, and the sliding speed shown to the user is in accordance with the user's expectation.
Fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present application, and as shown in fig. 6, the apparatus according to the embodiment may include:
the first obtaining unit 31 is configured to obtain sliding operation information when a user performs a sliding operation, where the sliding operation information includes first position information, second position information, and sliding time, where the first position information is position information of an initial touch point in a sliding operation process, the second position information is position information of a termination touch point in the sliding operation process, the sliding time is time for the sliding operation to slide from the initial touch point to the termination touch point, the first position information and the second position information are position information obtained by using a first coordinate system as a coordinate system, and the first coordinate system is a coordinate system where a screen of the terminal device is located.
A determination unit 32, configured to determine a sliding distance of the list displayed by the terminal device according to the sliding operation information.
A sliding unit 33 for sliding the list according to the sliding distance.
The terminal device of this embodiment may execute the list processing method provided in this embodiment, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 7 is a schematic structural diagram of another terminal device provided in an embodiment of the present application, and based on the embodiment shown in fig. 6, as shown in fig. 7, the terminal device of the present embodiment, the first obtaining unit 31, includes:
the obtaining module 311 is configured to obtain third position information corresponding to the initial touch point, fourth position information corresponding to the termination touch point, and sliding time when the user performs a sliding operation, where the third position information is position information obtained by using a second coordinate system as a coordinate system, the second coordinate system is a coordinate system where a first control located at the initial touch point is located, the fourth position information is position information obtained by using a third coordinate system as a coordinate system, the third coordinate system is a coordinate system where a second control located at the termination touch point is located, and the first control and the second control are located in the list.
The converting module 312 is configured to convert the third position information into the first position information and convert the fourth position information into the second position information by using the first coordinate system as a reference coordinate system.
A conversion module 312, comprising:
the first converting submodule 3121 is configured to convert a value represented by the third location information into a zero value to obtain a first intermediate value, and convert a value represented by the fourth location information into a zero value to obtain a second intermediate value.
And a second converting sub-module 3122, configured to convert the first intermediate value into the first position information and convert the second intermediate value into the second position information according to the first coordinate system as a reference coordinate system.
A determination unit 32, comprising:
the first determining module 321 is configured to determine a moving distance according to the first location information and the second location information.
A second determining module 322 for determining an instantaneous speed corresponding to the list according to the moving distance and the sliding time.
A third determining module 323 for determining the sliding distance of the list based on the instantaneous speed and the preset deceleration.
A slide unit 33 including:
a fourth determining module 331, configured to determine the stopping time period and the sliding speed of the list at each moment in the stopping time period according to the instantaneous speed and the preset deceleration.
A sliding module 332 for controlling the sliding distance of the list in the stopping time period according to the sliding speed at each moment.
The terminal equipment still includes:
and a second obtaining unit 41, configured to obtain a click operation instruction of the user.
And a stopping module 42, configured to control the list to stop sliding according to the click operation instruction.
The terminal device of this embodiment may execute another list processing method provided in this embodiment, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 8 is a schematic structural diagram of another terminal device provided in an embodiment of the present application, and as shown in fig. 8, an embodiment of the present application provides a terminal device, which may be used to execute actions or steps of the terminal device in the embodiments shown in fig. 2 or fig. 5, and specifically includes: a processor 2701, memory 2702, and a communication interface 2703.
The memory 2702 is used to store computer programs.
The processor 2701 is configured to execute the computer program stored in the memory 2702 to implement the actions of the terminal device in the embodiments shown in fig. 2 or fig. 5, which is not described again.
Optionally, the terminal device may also include a bus 2704. The processor 2701, the memory 2702, and the communication interface 2703 may be connected to each other via a bus 2704; the bus 2704 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 2704 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 8, but this is not intended to represent only one bus or type of bus.
In the embodiments of the present application, the above embodiments may be referred to and referred to by each other, and the same or similar steps and terms are not repeated.
Alternatively, part or all of the above modules may be implemented by being embedded in a chip of the terminal device in the form of an integrated circuit. And they may be implemented separately or integrated together. That is, the above modules may be configured as one or more integrated circuits implementing the above methods, for example: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 2702 comprising instructions, executable by the processor 2701 of the terminal device to perform the method described above is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
A non-transitory computer readable storage medium, in which instructions, when executed by a processor of a terminal device, enable the terminal device to perform the above list processing method.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The procedures or functions according to the embodiments of the present application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, terminal device, or data center to another website, computer, terminal device, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a terminal device, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.
Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in the embodiments of the present application may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (14)
1. A list processing method is applied to a terminal device, wherein the terminal device is used for displaying a list, and the method comprises the following steps:
the method comprises the steps of obtaining sliding operation information when a user performs sliding operation, wherein the sliding operation information comprises first position information, second position information and sliding time, the first position information is position information of an initial touch point in the sliding operation process, the second position information is position information of a termination touch point in the sliding operation process, the sliding time is time of sliding operation from the initial touch point to the termination touch point, the first position information and the second position information are position information obtained by taking a first coordinate system as the coordinate system, and the first coordinate system is the coordinate system where a screen of the terminal equipment is located;
Determining the sliding distance of the list displayed by the terminal equipment according to the sliding operation information;
and sliding the list according to the sliding distance.
2. The method according to claim 1, wherein the acquiring of the sliding operation information when the user performs the sliding operation includes:
acquiring third position information corresponding to the initial touch point, fourth position information corresponding to the termination touch point and the sliding time when the user performs the sliding operation, wherein the third position information is position information acquired by taking a second coordinate system as a coordinate system, the second coordinate system is the coordinate system of a first control where the initial touch point is located, the fourth position information is position information acquired by taking a third coordinate system as the coordinate system, the third coordinate system is the coordinate system of a second control where the termination touch point is located, and the first control and the second control are located in the list;
and converting the third position information into the first position information and converting the fourth position information into the second position information by taking the first coordinate system as a reference coordinate system.
3. The method of claim 2, wherein converting the third location information into the first location information and converting the fourth location information into the second location information with the first coordinate system as a reference coordinate system comprises:
converting the numerical value represented by the third position information into a zero value to obtain a first intermediate value, and converting the numerical value represented by the fourth position information into a zero value to obtain a second intermediate value;
and converting the first intermediate value into the first position information and converting the second intermediate value into the second position information according to the first coordinate system as a reference coordinate system.
4. The method according to any one of claims 1 to 3, wherein determining a sliding distance of the list displayed by the terminal device according to the sliding operation information comprises:
determining a moving distance according to the first position information and the second position information;
determining the instantaneous speed corresponding to the list according to the moving distance and the sliding time;
determining the sliding distance of the list according to the instantaneous speed and a preset deceleration.
5. The method of claim 4, wherein sliding the list according to the sliding distance comprises:
determining a stopping time period and a sliding speed of the list at each moment in the stopping time period according to the instantaneous speed and a preset deceleration;
controlling the list to slide the sliding distance within the stopping time period at the sliding speed of each time.
6. The method according to any one of claims 1-3, further comprising:
acquiring a click operation instruction of a user;
and controlling the list to stop sliding according to the click operation instruction.
7. A terminal device, wherein the terminal device is configured to display a list, and the terminal device comprises:
the terminal device comprises a first obtaining unit, a second obtaining unit and a display unit, wherein the first obtaining unit is used for obtaining sliding operation information when a user performs sliding operation, the sliding operation information comprises first position information, second position information and sliding time, the first position information is position information of an initial touch point in the sliding operation process, the second position information is position information of a termination touch point in the sliding operation process, the sliding time is time for sliding operation from the initial touch point to the termination touch point, the first position information and the second position information are position information obtained by taking a first coordinate system as a coordinate system, and the first coordinate system is a coordinate system where a screen of the terminal device is located;
A determining unit, configured to determine a sliding distance of the list displayed by the terminal device according to the sliding operation information;
and the sliding unit is used for sliding the list according to the sliding distance.
8. The terminal device according to claim 7, wherein the first obtaining unit includes:
an obtaining module, configured to obtain third position information corresponding to the initial touch point, fourth position information corresponding to the termination touch point, and the sliding time when the user performs the sliding operation, where the third position information is position information obtained by using a second coordinate system as a coordinate system, the second coordinate system is a coordinate system where a first control located at the initial touch point is located, the fourth position information is position information obtained by using a third coordinate system as a coordinate system, the third coordinate system is a coordinate system where a second control located at the termination touch point is located, and the first control and the second control are located in the list;
and the conversion module is used for converting the third position information into the first position information and converting the fourth position information into the second position information by taking the first coordinate system as a reference coordinate system.
9. The terminal device of claim 8, wherein the conversion module comprises:
the first conversion submodule is used for converting the numerical value represented by the third position information into a zero value to obtain a first intermediate value, and converting the numerical value represented by the fourth position information into a zero value to obtain a second intermediate value;
and the second conversion submodule is used for converting the first intermediate value into the first position information and converting the second intermediate value into the second position information according to the first coordinate system serving as a reference coordinate system.
10. The terminal device according to any of claims 7-9, wherein the determining unit comprises:
the first determining module is used for determining a moving distance according to the first position information and the second position information;
a second determining module, configured to determine an instantaneous speed corresponding to the list according to the moving distance and the sliding time;
and the third determining module is used for determining the sliding distance of the list according to the instantaneous speed and the preset deceleration.
11. The terminal device according to claim 10, wherein the sliding unit includes:
The fourth determining module is used for determining a stopping time period and a sliding speed of the list at each moment in the stopping time period according to the instantaneous speed and a preset deceleration;
and the sliding module is used for controlling the list to slide the sliding distance in the stopping time period at the sliding speed of each moment.
12. The terminal device according to any one of claims 7-9, wherein the terminal device further comprises:
the second acquisition unit is used for acquiring a click operation instruction of a user;
and the stopping module is used for controlling the list to stop sliding according to the click operation instruction.
13. A terminal device, comprising: a processor, a memory, and a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the method of any one of claims 1-6.
14. A computer-readable storage medium, having stored thereon a computer program for execution by a processor to perform the method of any one of claims 1-6.
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| CN201910334826.4A CN111857486A (en) | 2019-04-24 | 2019-04-24 | List processing method, device, equipment and storage medium |
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| CN201910334826.4A CN111857486A (en) | 2019-04-24 | 2019-04-24 | List processing method, device, equipment and storage medium |
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| CN112684960A (en) * | 2020-12-29 | 2021-04-20 | 平安普惠企业管理有限公司 | Front-end list scrolling method and device, computer equipment and storage medium |
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