CN113467658A

CN113467658A - Method, device, terminal and storage medium for displaying content

Info

Publication number: CN113467658A
Application number: CN202110738172.9A
Authority: CN
Inventors: 林鼎豪; 陈碧莹; 李由; 刘章奇
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-10-01
Also published as: WO2023273638A1

Abstract

The embodiment of the application discloses a method, a device, a terminal and a storage medium for displaying content, and belongs to the technical field of display. According to the method and the device, the first parent interface is firstly displayed in the display area of the head-mounted display device, and under the action of first sliding operation, the first parent interface displayed at present is replaced by the second parent interface along the first sliding direction, or under the action of second sliding operation, the first parent interface displayed at present is replaced by the first child interface along the second sliding direction. Because the two sliding directions are perpendicular to each other, the second parent interface and the first parent interface have the same level, and the first child interface is a child interface of the first parent interface. Therefore, the switching of different application programs and the switching between different sub-interfaces in the application are respectively realized through two mutually perpendicular sliding directions. Therefore, the hierarchy of the interactive interface in the head-mounted display device is reduced, the interactive interface is flattened, and the efficiency of switching the interactive interface is improved.

Description

Method, device, terminal and storage medium for displaying content

Technical Field

The embodiment of the application relates to the technical field of display, in particular to a method, a device, a terminal and a storage medium for displaying content.

Background

With the rapid development of wearable device technology, head-mounted display devices have also been rapidly developed as a display device to be worn in front of the eyes of a user.

In the related art, the head mounted display device generally tiles icons of respective applications. And the head mounted display device is fitted with a handle. When the user needs to select an icon displayed in the head-mounted display device, the user needs to select the icon by operating the handle. For example, a dial in the handle is toggled to select a different icon displayed in the head mounted display device.

Disclosure of Invention

The embodiment of the application provides a method, a device, a terminal and a storage medium for displaying content. The technical scheme is as follows:

according to an aspect of the present application, there is provided a method of displaying content, the method including:

displaying a first parent interface in a display area of the head-mounted display device;

in response to a first sliding operation, sliding the first parent interface out of the display area and sliding a second parent interface into the display area based on a first sliding direction indicated by the first sliding operation, wherein the second parent interface and the first parent interface are in the same level;

in response to a second sliding operation, sliding the first parent interface out of the display area and sliding a first child interface into the display area based on a second sliding direction indicated by the second sliding operation, wherein the second sliding direction is perpendicular to the first sliding direction, and the first child interface is a child interface of the first parent interface.

According to another aspect of the present application, there is provided an apparatus for displaying content, for use in a head-mounted display device including a display area, the apparatus including:

the display module is used for displaying a first parent-level interface in a display area of the head-mounted display equipment;

the first sliding module is used for responding to a first sliding operation, sliding the first parent interface out of the display area and sliding a second parent interface into the display area based on a first sliding direction indicated by the first sliding operation, wherein the second parent interface and the first parent interface are in the same level;

and the second sliding module is used for responding to a second sliding operation, sliding the first parent interface out of the display area and sliding a first child interface into the display area based on a second sliding direction indicated by the second sliding operation, wherein the second sliding direction is perpendicular to the first sliding direction, and the first child interface is a child interface of the first parent interface.

According to another aspect of the present application, there is provided a terminal comprising a processor and a memory, the memory having stored therein at least one instruction, the instruction being loaded and executed by the processor to implement the method of displaying content as provided in the various aspects of the present application.

According to another aspect of the present application, there is provided a computer-readable storage medium having stored therein at least one instruction, which is loaded and executed by a processor to implement a method of displaying content as provided in the various aspects of the present application.

According to one aspect of the present application, a computer program product is provided that includes computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the computer device to perform the method for displaying content provided in the various alternative implementations described above.

According to the method and the device, the first parent interface is firstly displayed in the display area of the head-mounted display device, and under the action of first sliding operation, the first parent interface displayed at present is replaced by the second parent interface along the first sliding direction, or under the action of second sliding operation, the first parent interface displayed at present is replaced by the first child interface along the second sliding direction. The two sliding directions are perpendicular to each other, the level of the second parent interface is the same as that of the first parent interface, and the first child interface is a child interface of the first parent interface. According to the application, the switching of different application programs and the switching between different sub-interfaces in the application can be respectively realized through two mutually perpendicular sliding directions. Therefore, the method and the device can reduce the level of the interactive interface in the head-mounted display equipment, enable the interactive interface to be flat, and improve the efficiency of switching the interactive interface.

Drawings

In order to more clearly describe the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a head-mounted display device provided in an embodiment of the present application;

fig. 2 is a schematic diagram illustrating an internal component of a head-mounted display device according to an embodiment of the present disclosure;

FIG. 3 is a flow chart of a method of displaying content provided by an exemplary embodiment of the present application;

FIG. 4 is a schematic diagram of a first parent interface provided in accordance with the embodiment of FIG. 3;

FIG. 5 is a schematic plan view of a two-stage interface provided based on the embodiment shown in FIG. 3;

fig. 6 to 8 each show a schematic plan view of another two-stage interface;

FIG. 9 is a schematic diagram of the spatial distribution of a two-stage interface provided based on the embodiment shown in FIG. 3;

FIG. 10 is a schematic diagram illustrating a spatial expansion of an interface provided by an embodiment of the present application;

FIG. 11 is a schematic view of a horizontal arrangement of an interface provided in an embodiment of the present application;

FIG. 12 is a schematic diagram of a display provided in accordance with the embodiment of FIG. 3;

FIG. 13 is a schematic illustration of another display provided based on the embodiment shown in FIG. 3;

FIG. 14 is a flow chart of a method of displaying content provided by another exemplary embodiment of the present application;

FIG. 15 is a flow chart of a method of displaying content provided herein;

FIG. 16 is a schematic view of a zoom out interface provided in accordance with the embodiment of FIG. 15;

FIG. 17 is a schematic view of a process for zooming out and zooming in an interface provided based on the embodiment shown in FIG. 15;

fig. 18 is a block diagram illustrating an apparatus for displaying content according to an exemplary embodiment of the present application.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to 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.

In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

As used herein, the term "if" is optionally interpreted as "when.. times", "at … …", "in response to a determination", or "in response to a detection", depending on the context. Similarly, the phrase "if determined … …" or "if (a stated condition or event) is detected" or "in response to (a stated condition or event) being detected", depending on the context.

It is noted that the use of personally identifiable information should follow privacy policies and practices that are recognized as meeting or exceeding industry or government requirements for maintaining user privacy. In particular, personally identifiable information should explicitly specify to the user the nature of authorized use during administration and processing to minimize the risk of inadvertent or unauthorized access or use.

Illustratively, the method for displaying content provided by the application can be applied to a head-mounted display device. The head-mounted display device may be a Virtual Reality (VR) player terminal, an Augmented Reality (AR) player terminal, or smart glasses. In another classification method, the head-mounted Display device may also be a Near-Eye Display device (NED).

Fig. 1 is a schematic diagram of a head-mounted display device provided in an embodiment of the present application. The head-mounted display device in fig. 1 is in the form of a VR player terminal or an AR player terminal. Among other things, the head mounted display apparatus 100 includes a display area 110 and temples.

Alternatively, the display area 110 may include only one of the left and right lenses, or both the left and right lenses. In fig. 1, the display area 110 may exist only inside the left lens 111, or may exist only inside the right lens 112, or both inside the left lens 111 and inside the right lens 112.

Optionally, the temples include a left side temple 121 and a right side temple 122. In the embodiment of the application, the temple comprises a touch sensing area. Here, the touch sensing area may exist only in one of the two temples, or may exist in both of the two temples. The left side arm 121 is taken as an example for explanation, the touch sensing area 121a exists outside the left side arm 121, so that a user can touch the left side arm with a finger when wearing the head-mounted display device 100.

Optionally, the head mounted display device 100 may also include a camera, speakers, and a microphone. Wherein, the shooting direction of the camera can be the same as the eye watching direction of the user. The speaker may be provided at the rear end of the temples of the glasses so that the user can hear the sound more easily. A microphone may be placed near the ophthalmic lens in order to pick up sounds in the environment. In one possible approach, the microphones may be arranged in an array. Meanwhile, the head-mounted display device 100 may further be provided with a noise reduction microphone so that the collected sound can represent ambient noise.

Referring to fig. 2, fig. 2 is a schematic view illustrating an internal composition of a head-mounted display device according to an embodiment of the present disclosure. In fig. 2, the interior of the head mounted display device 100 may also include a processor 210, a memory 220, and communication components. Wherein the memory 220 has stored therein at least one instruction that is loaded and executed by the processor 210 to implement a method of displaying content according to various method embodiments of the present application.

In the present application, the head-mounted display device 100 is capable of displaying a first parent interface in a display area; in response to the first sliding operation, sliding the first parent interface out of the display area and sliding the second parent interface into the display area based on a first sliding direction indicated by the first sliding operation, wherein the second parent interface and the first parent interface are in the same level; and in response to the second sliding operation, sliding the first parent interface out of the display area and sliding the first child interface into the display area based on a second sliding direction indicated by the second sliding operation, wherein the second sliding direction is perpendicular to the first sliding direction, and the first child interface is a child interface of the first parent interface.

Processor 210 may include one or more processing cores. The processor 210 connects various parts throughout the head mounted display device 100 using various interfaces and lines, performs various functions of the head mounted display device 100 and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 220, and calling data stored in the memory 220. Optionally, the processor 210 may be implemented in at least one hardware form of Digital Signal Processing (DSP), Field-Programmable Gate Array (FPGA), and Programmable Logic Array (PLA). The processor 210 may integrate one or more of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a modem, and the like. Wherein, the CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It is understood that the modem may not be integrated into the processor 210, but may be implemented by a single chip.

The Memory 220 may include a Random Access Memory (RAM) or a Read-Only Memory (ROM). Optionally, the memory 220 includes a non-transitory computer-readable medium. The memory 220 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 220 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like; the storage data area may store data and the like referred to in the following respective method embodiments.

The method of displaying content shown in the present application can also be applied to other types of head-mounted display devices, such as a single-lens type device or a helmet type device, and the present application is not limited thereto.

Fig. 3 is a flowchart of a method for displaying content according to an exemplary embodiment of the present application. The method of displaying content may be applied in the head mounted display device shown in fig. 1. In fig. 3, a method of displaying content includes:

step 310, displaying a first parent interface in a display area of the head-mounted display device.

In the embodiment of the application, the head-mounted display device can display the first parent interface in the whole display area or display the first parent interface in a part of the display area.

In one possible approach, the head mounted display device includes a left lens inner side and a right lens inner side. The head-mounted display device can display in VR form, that is, the first parent interface is displayed on the inner sides of the two lenses, and in the vision of the user, the first parent interface can be viewed in stereo vision. In this scenario, the head mounted display device displays a first parent interface in the full display area.

In another possible approach, the head mounted display device includes a left lens inner side and a right lens inner side. The head mounted display device may display the first parent interface only on the inside of the lens on one side thereof. In this display mode, the head-mounted display device displays a first parent interface in a partial display area.

In yet another possible approach, the head mounted display device includes a left lens inner side or a right lens inner side. In this scenario, the head mounted display device will display the first parent interface in the full display area.

It should be noted that the head-mounted display device may display the first parent interface in the display area when a predetermined condition is satisfied. The predetermined condition may be that the head mounted display device detects being worn by the user. Alternatively, the predetermined condition may be that the head-mounted display device receives a screen-up operation. The bright screen operation may be one of a touch operation, a physical key operation, a tap operation, or an eye movement operation.

Note that a touch sensing area may be provided in the head-mounted display device. The touch operation may be one of a long press operation, a slide operation, a light press operation, a heavy press operation, a small area press, or a large area press. The long press operation means that the length of time for pressing the touch sensing area exceeds a first length of time, and the short press operation means that the length of time for pressing the touch sensing area is equal to or longer than the first length of time. The first duration can be a duration scene of 1 second, 1.5 seconds or 2 seconds, and a designer can design according to actual requirements without limiting a specific numerical value of the first duration. The slide operation is a slide operation within the touch sensing area. The light press operation is an operation in which the press pressure value is less than or equal to the pressure threshold value, and the heavy press operation is an operation in which the press pressure value is greater than the pressure threshold value. The pressure threshold may be a constant value preset by a designer. The small-area pressing operation is an operation in which the area where the pressing signal is generated is less than or equal to the area threshold value. The large area pressing operation is an operation in which an area where the pressing signal is generated is larger than an area threshold. Wherein, the area threshold value can be 0.5 square centimeter, 0.8 square centimeter or 1 square centimeter.

Illustratively, the physical key operation may be pressing a certain key or multiple keys in the head-mounted display device, which is not limited in this embodiment of the present application. The tapping operation is an operation by tapping the head mounted display device. The eye movement operation comprises eyeball rotation operation, a camera for shooting eyeball movement is arranged in the head-mounted display device, the rotation of the eyeball towards a certain direction can be identified, and when the eyeball rotates to the certain direction and the staying time length exceeds the second staying time length, the corresponding eye movement operation is confirmed to be received. For example, when the eyeball of the user turns to the left side and the stay time exceeds 2 seconds, an instruction corresponding to the left-turning eye movement operation is generated in the head-mounted display device. The second time period may be 0.8 second, 1 second, 1.2 seconds, or 1.5 seconds, and the specific value of the second time period is not limited in this application.

It should be noted that the head-mounted display device can detect through the built-in acceleration sensor, and when the head-mounted display device is knocked, the built-in acceleration sensor will generate larger acceleration in a shorter time slice. Based on the principle, the head-mounted display device can judge the knocking operation through the acceleration sensor.

Illustratively, the head mounted display device may display the first parent interface full screen in the display area. Referring to fig. 4, fig. 4 is a schematic diagram of a first parent interface provided based on the embodiment shown in fig. 3. In fig. 4, the display area inside the right side lens will display the first parent interface 4a full screen.

Referring to fig. 5, fig. 5 is a schematic plan view illustrating a two-level interface according to the embodiment shown in fig. 3. In fig. 5, the first child interface 4a1 and the second child interface 4a2 are displayed on the upper and lower sides of the first parent interface 4a, respectively. It should be noted that, in the present application, two sub-level interfaces are taken as an example, and the number of the sub-level interfaces can be freely adjusted according to needs. In the arrangement of the child interfaces, when there are two child interfaces in total, the two child interfaces may be distributed on the upper side of the first parent interface 4a to become the first child interface 4a1, or may be distributed on the lower side of the first parent interface 4a to become the second child interface 4a2, which is not limited in the embodiment of the present application.

In fig. 5, the second parent interface 4b and the third parent interface 4c are distributed on the left and right sides of the first parent interface 4 a. It should be noted that the number of parent interfaces can also be adjusted as needed, and the application does not limit the number.

In fig. 5, the position where the first parent interface 4a is located represents a display area of the head-mounted display device. According to the method and the device, the contents are displayed through the most flattened information architecture, the cognitive burden of a multi-hierarchy structure on a user is reduced, and the situation that the user is difficult to find the contents needing to be displayed due to forgetting the hierarchy relation in the operation process is avoided.

A schematic planar spreading of a two-stage interface similar to that shown in fig. 5. The solution shown in the present application can also be arranged by the interface plane relationship shown in fig. 6 to 8. The interface identifiers in fig. 6 to 8 are the same as those in fig. 5, and are not described again here.

Referring to fig. 9, fig. 9 is a schematic diagram of a spatial distribution of a two-level interface provided based on the embodiment shown in fig. 3. In fig. 9, the parent interface is distributed around the user along the circular track 6A in the horizontal direction, and the child interface is distributed around the user along the circular track 6B in the vertical direction. The parent interfaces are illustrated by a first parent interface 4a, a second parent interface 4b and a third parent interface 4 c. The sublevel interface is illustrated as a first sublevel interface 4a1 and a second sublevel interface 4a 2. The above-described interface is displayed around the user's eye 600.

In the application, the space annular structure is beneficial to the packaging sense of information presentation, an expansion space is reserved for the design of the interactive interface of the head-mounted display equipment in the future, and the expansibility of the interactive interface of the head-mounted display equipment is improved.

Referring to fig. 10, fig. 10 is a schematic view illustrating a space expansion of an interface according to an embodiment of the present application. Wherein the first parent interface 4a is a main interface of a fitness application. The first sub-level interface 4a1 is a sit-up sub-level interface in the fitness interface. The second sub-level interface 4a2 is a body parameter sub-level interface in a fitness interface. The first third parent interface 4c1 is an interface for a mapping application and the second third parent interface 4c2 is an interface for a music application. The first second parent interface 4b1 is an interface for a messaging application and the second parent interface 4b2 is an interface for a translation application.

It should be noted that the animation effect for switching between the interfaces may include an animation effect such as push-out, depth of field, push, square box, rotation, flip, page turn, or windmill, which is not limited in this embodiment of the present application.

Referring to fig. 11, fig. 11 is a schematic view illustrating a horizontal arrangement of an interface according to an embodiment of the present disclosure. The first parent interface 4a is an interface currently displayed, and the second parent interface 4b, the first third parent interface 4c1 and the second third parent interface 4c2 are all interfaces not currently displayed.

It should be noted that, after the completion step 310 is executed, the application selects to execute the step 320 or execute the step 330 according to the received sliding operation. When the head-mounted display device receives the first sliding operation, step 320 is executed; when the head-mounted display device receives the second sliding operation, step 330 is performed.

And step 320, responding to the first sliding operation, sliding the first parent interface out of the display area and sliding the second parent interface into the display area based on the first sliding direction indicated by the first sliding operation, wherein the second parent interface and the first parent interface are in the same level.

In an embodiment of the present application, a head-mounted display device is capable of receiving a first sliding operation. In the application, a touch sensing area can be set at a position where a user easily touches the head-mounted display device. The touch sensing area is provided with a touch sensor which can receive touch operation of a user. Optionally, the principle of the touch operation sensed by the touch sensing area may be capacitive touch, resistive touch, infrared touch, or optical touch, which is not limited in this embodiment of the present application.

Wherein, the process that the user slides the finger in the first sliding direction in the touch sensing area is a first sliding operation. Accordingly, the head-mounted display device can determine the corresponding first sliding direction based on the first sliding operation. When the first parent interface slides out of the display area based on the first sliding direction, the first sliding direction needs to be mapped to the display area. And then, according to the direction mapped into the display area by the first sliding direction, sliding the first parent interface out of the display area, and sliding the second parent interface into the display area. And the first parent interface and the second parent interface belong to the same parent interface. In a possible implementation manner, the first parent interface is a main interface of the first application, and the second parent interface is a main interface of the second application, which is not limited in this embodiment of the present application.

The first sliding operation may be a sliding operation on the temple, a sliding operation on a handle used in cooperation with the head-mounted display device, or an operation of toggling a toggle lever on the handle.

For example, in one possible control manner, if the external shape of the head-mounted display device is glasses, the first sliding operation may be that the user slides along the temple from back to front. In this case, the first parent interface in the display area slides out from the left side and the second parent interface enters from the right side of the display area.

Referring to fig. 12, fig. 12 is a schematic diagram of a display content provided based on the embodiment shown in fig. 3. In fig. 12, the head mounted display device 100 is inside the right side lens as a display area for displaying a first parent interface 710. At this time, if the user slides from the rear side to the front side of the temple at the right side of the temple, the smart glasses are considered to receive the first sliding operation by themselves. Optionally, during the process of receiving the first sliding operation of the user, a process of sliding the first parent interface 710 out from the left edge of the display area and sliding the second parent interface 720 in from the right edge of the display area may be played in the display area. Alternatively, the head-mounted display device may determine whether to fully display the second parent interface 720 based on the sliding distance of the user on the temple. For example, if it is preset that the distance for completing the switching of one parent interface is 1 cm, when the user slides 1 cm in the first sliding direction on the right temple, the head-mounted display device slides the first parent interface 710 completely out of the display area and displays the second parent interface 720 in the display area. As the user continues to slide in the first sliding direction, the head-mounted display device slides the second parent interface 720 out from the left edge of the display area and continues to slide in the third parent interface on the right side of the second parent interface 720.

Alternatively, in the scenario shown in fig. 12, when the user slides the temple from front to back along the temple at the left side, it is also possible to slide the first parent interface 710 out from the left edge of the display area and the second parent interface 720 in from the right edge of the display area.

Step 330, in response to the second sliding operation, sliding the first parent interface out of the display area and sliding the first child interface into the display area based on a second sliding direction indicated by the second sliding operation, where the second sliding direction is perpendicular to the first sliding direction, and the first child interface is a child interface of the first parent interface.

In the embodiment of the application, when the head-mounted display device displays the interface such as the first parent interface in the display area, the head-mounted display device can receive the second sliding operation, respond to the second sliding operation, slide the first parent interface out of the display area based on the second sliding direction of the second sliding operation, and slide the first self-addressed interface into the display area. Wherein the second sliding direction is perpendicular to the first sliding direction.

Referring to fig. 13, fig. 13 is a schematic diagram of another display content provided based on the embodiment shown in fig. 3. In fig. 13, the head mounted display device 100 is inside the right side lens as a display area for displaying a first parent interface 710. At this time, if the user slides the right temple from the lower side edge to the upper side edge, the smart glasses are considered to receive the second sliding operation by themselves. Optionally, during the process of receiving the second sliding operation of the user, a process of sliding the first parent interface 710 out from the upper side edge of the display area and sliding the first child interface 711 in from the lower side edge of the display area may be played in the display area. Alternatively, the head mounted display device may determine whether to fully display the first sub-level interface 711 according to a sliding distance of the user on the temple. For example, if it is preset that the distance for completing the switching of one child level interface is 0.5 cm, when the user slides 0.5 cm in the direction from bottom to top (in the second sliding direction) on the right side temple, the head-mounted display device slides the first parent level interface 710 completely out of the display area and displays the first child level interface 711 in the display area. When the user continues to slide in the second sliding direction, the head mounted display device slides the first sub-level interface 711 out of the upper side edge of the display area and slides the second sub-level interface in from the lower side edge of the display area.

The first sliding direction and the second sliding direction are perpendicular to each other. In a case where a space that can be operated on the head-mounted display device is limited, it is possible to facilitate the user to clearly distinguish whether the first sliding operation or the second sliding operation is made by the user himself.

In summary, the first parent interface is displayed in the display area of the head-mounted display device, and under the action of the first sliding operation, the currently displayed first parent interface is replaced by the second parent interface along the first sliding direction, or under the action of the second sliding operation, the currently displayed first parent interface is replaced by the first child interface along the second sliding direction. The two sliding directions are perpendicular to each other, the level of the second parent interface is the same as that of the first parent interface, and the first child interface is a child interface of the first parent interface. According to the application, the switching of different application programs and the switching between different sub-interfaces in the application can be respectively realized through two mutually perpendicular sliding directions. Therefore, the method and the device can reduce the level of the interactive interface in the head-mounted display equipment, enable the interactive interface to be flat, and improve the efficiency of switching the interactive interface.

Based on the solution disclosed in the previous embodiment, the terminal can also design each interface for switching into a ring, please refer to the following embodiment.

Referring to fig. 14, fig. 14 is a flowchart of a method for displaying content according to another exemplary embodiment of the present application. The content display method can be applied to the head-mounted display device shown in fig. 1. In fig. 14, the method of displaying content includes:

step 910, displaying a first parent interface in a display area of the head-mounted display device.

In the present application, the execution procedure of step 910 is the same as the execution procedure of step 210, and is not described herein again.

And step 921, in a case that the first parent interface is a parent interface ordered at the ith position among the n parent interfaces, in response to the first sliding operation, sliding the parent interface at the ith position out of the display area and sliding the parent interface at the (i + 1) th position into the display area based on a first sliding direction indicated by the first sliding operation.

Wherein i is an integer less than n.

In the present application, no matter which position of the n parent interfaces the currently displayed parent interface is. The head-mounted display device can respond to the first sliding operation to switch the parent interface in the display area according to a set rule. For example, when the first parent interface is the ith position in the parent interfaces with the total number of n, the first parent interface is slid out of the display interface and the parent interface with the position of i +1 is slid into the display area in response to the first sliding operation. It should be noted that the value of i cannot be equal to n, and i is a positive integer smaller than n.

If the first parent interface is the parent interface at the last position (i.e., the nth position) of the n parent interfaces, the head-mounted display device performs step 922 to implement switching between the parent interfaces.

And step 922, in the case that the first parent interface is the parent interface ranked at the nth position in the n parent interfaces, in response to the first sliding operation, sliding the parent interface at the nth position out of the display area and sliding the parent interface at the 1 st position into the display area based on the first sliding direction indicated by the first sliding operation.

In the embodiment of the application, the sorting direction of the n parent interfaces is the same as the first sliding direction.

In the embodiment of the application, when the first parent interface is the parent interface of the nth position in the n parent interfaces, the head-mounted display device can slide the parent interface of the 1 st position into the display area again and slide the parent interface of the nth position out of the display area in response to the first sliding operation.

For example, when the head-mounted display device displays 4 parent interfaces in parallel, for example, the application names corresponding to the 4 parent interfaces are shown in table one.

Watch 1

Parent stageInterface (I)	Body-building homepage	Music homepage	Dictionary homepage	Social homepage
					Application name	Fitness application	Music application	Dictionary application	Social applications
Position of	Position 1	Position 2	Position 3	Position 4

It should be noted that, when the first parent page is a fitness homepage, a music homepage or a dictionary homepage, the head-mounted display device switches to the parent interface in the latter position. For example, when the first parent page is a fitness homepage, the head-mounted display device switches the display area to display as a music homepage in response to the first sliding operation. When the first parent page is a music homepage, the head-mounted display device switches and displays the display area as a dictionary homepage in response to a first slide operation. When the first parent page is a dictionary homepage, the head-mounted display device switches and displays the display area as a social homepage in response to a first sliding operation.

In another possible mode provided by the application, if the first parent page is the social homepage at the 4 th position, the head-mounted display device responds to the first sliding operation and switches and displays the display area as the fitness homepage at the 1 st position. Therefore, n parent interfaces displayed in the head-mounted display device can realize end-to-end annular switching.

In a floor implementation, the terminal can implement the effect of sliding out of a parent interface and sliding in a parent interface as shown in step 921 or step 922 by performing the following step (a).

And (a) in response to a third sliding operation, sliding the first parent interface out of the display area and sliding the third parent interface into the display area based on a third sliding direction indicated by the third sliding operation.

And the third parent interface and the first parent interface have the same level. The third sliding direction and the first sliding direction are opposite to each other.

Note that the touch sensing areas on which the third sliding operation and the first sliding operation act are the same touch sensing area. For example, when the left side arm of the head-mounted display device includes a first touch sensing area, the right side arm includes a second touch sensing area. The first sliding operation and the third sliding operation shown in this application are both operations that act on the first touch sensing area, or the first sliding operation and the third sliding operation shown in this application are both operations that act on the second touch sensing area.

When the head-mounted display device responds to the third sliding operation, the first parent interface can be slid out of the display area and the third parent interface can be slid into the display area based on the opposite direction of the first sliding direction (the third sliding direction).

In step 931, in a case that the first parent interface is the parent interface ordered at the 1 st position among the n parent interfaces, in response to a third sliding direction indicated by the third sliding operation, sliding the parent interface at the 1 st position out of the display area, and sliding the parent interface at the n th position into the display area.

The third sliding direction and the first sliding direction are opposite to each other.

In this scenario, the head-mounted display device controls the first parent interface to slide out in the third sliding operation, and the direction in which the head-mounted display device controls the first parent interface to slide out in the first sliding operation is opposite to the direction in which the head-mounted display device controls the first parent interface to slide out in the first sliding operation.

It should be noted that, when the first parent interface is at the 1 st position, and after the first parent interface slides out, the parent interface at the nth position in the n parent interfaces slides into the display area.

Step 932, in a case that the first parent interface is a parent interface ordered at the ith position in the n parent interfaces, in response to a third sliding operation, sliding the parent interface at the ith position out of the display area and sliding the parent interface at the i-1 th position into the display area based on a third sliding direction indicated by the third sliding operation, where i is an integer greater than 1.

In this example, if the first parent interface is the parent interface for processing the 1 st position, and the parent interface at the ith position slides out, the parent interface at the i-1 st position will slide in the display area.

Take the corresponding relationship among the parent interfaces, application names and locations shown in table two as an example.

Watch two

It should be noted that, when the first parent page is a music homepage, a dictionary homepage, or a social homepage, the head-mounted display device switches to the parent interface displayed in the previous position. For example, when the first parent page is a music homepage, the head-mounted display device switches and displays the display area as a fitness homepage in response to the third sliding operation. When the first parent page is a dictionary homepage, the head-mounted display device switches and displays the display area as a music homepage in response to a third slide operation. When the first parent page is the social homepage, the head-mounted display device switches and displays the display area as a dictionary homepage in response to a first sliding operation.

In another possible mode provided by the application, if the first parent page is the fitness homepage at the 1 st position, the head-mounted display device responds to the third sliding operation to switch and display the display area as the social homepage at the 4 th position. Therefore, n parent interfaces displayed in the head-mounted display device can realize end-to-end annular switching.

In step 941, in a case that the currently displayed interface is the first parent interface at the 1 st position, in response to the second sliding operation, sliding the first parent interface at the 1 st position out of the display area and sliding the first child interface at the 2 nd position into the display area based on the second sliding direction indicated by the second sliding operation.

And the sorting direction of the first parent interface and the m child interfaces is the same as the second sliding direction.

And the first parent interface and the m-1 child interface are sequenced from the 1 st position to the m th position according to the second sliding direction, and m is a positive integer.

It should be noted that the second sliding operation is used to switch the first parent interface and the multiple child interfaces to which the first parent interface belongs. In embodiments of the present application, for example, if the first parent interface is a fitness application, the plurality of child interfaces to which it is subordinate may include a sit-up child interface and a physiological parameter child interface. The head-mounted display device slides the fitness main page out of the display area according to the second sliding direction and slides the first sub-level interface at the 2 nd position into the display area. And if the physiological parameter sub-interface is the first sub-level interface, the head-mounted display device slides the physiological parameter sub-interface into the display area.

In step 942, in the case that the first sub-level interface is sorted at the j-th position, in response to the second sliding operation, sliding the first sub-level interface at the j-th position out of the display area and sliding the sub-level interface at the j + 1-th position into the display area based on the second sliding direction indicated by the second sliding operation.

Wherein j is an integer less than m and greater than 1.

In this example, when the j-th position of the first sub-level interface ordering is not the m-th position, the head-mounted display device may slide the first sub-level interface at the j-th position out of the display area and slide the sub-level interface at the j + 1-th position in under the action of the second sliding operation.

In step 943, in the case that the first child interface is sorted at the m-th position, in response to the second sliding operation, sliding the first child interface at the m-th position out of the display area and sliding the first parent interface at the 1 st position into the display area based on the second sliding direction indicated by the second sliding operation.

In a special scene, when the first child interface is sorted at the mth position, the head-mounted display device slides the first child interface at the mth position out of the display area and slides the first parent interface at the 1 st position in under the action of the second sliding operation.

In step 951, in response to the fourth sliding operation, sliding the first parent interface at the 1 st position out of the display area and sliding the second child interface at the m-th position into the display area based on a fourth sliding direction indicated by the fourth sliding operation.

The fourth sliding direction and the second sliding direction are opposite to each other.

In this example, when the head mounted display device is acted by a fourth sliding direction opposite to the second sliding direction, the head mounted display device is acted by the fourth sliding operation and slides out of the interface in the opposite sliding direction to the second sliding operation.

And 952, in the case that the second sub-level interface is sorted at the j-th position, in response to the fourth sliding operation, sliding the second sub-level interface at the j-th position out of the display area and sliding the sub-level interface at the j-1-th position into the display area based on the second sliding direction indicated by the fourth sliding operation.

Wherein j is an integer less than m and greater than 1.

In step 953, in the case that the second child interface is sorted at the 2 nd position, in response to the fourth sliding operation, sliding the second child interface at the 2 nd position out of the display area and sliding the first parent interface at the 1 st position into the display area based on the second sliding direction indicated by the fourth sliding operation.

In summary, according to the present embodiment, the currently displayed interface can be slid out in different sliding directions according to different sliding operations of the user on the head-mounted display device, and a new interface can be slid in according to the sliding operation direction. The application provides two mutually perpendicular directions, one direction is used for switching between parent interfaces at the same level, and the other direction is used for switching between one parent interface and a plurality of subordinate child interfaces thereof. And through the mode of annular arrangement, the efficiency of quickly switching to the interface required by the user is provided, and the complicated step that the user can switch to the required interface only by multiple operations from front to back on the interface at the front position is avoided.

Optionally, the application provides a cross interface switching structure for the head-mounted display device, so that the application can enable the interface required by each user to be smooth, and is beneficial to the user to quickly know the logic of switching each interface. For example, if the user is currently in the parent interface of the a application, the user knows that the interface can be switched to other parent interfaces by a sliding operation in the first sliding direction or in a direction opposite to the first sliding direction (i.e., the third sliding direction), and can be switched to each child interface in the a application by a sliding operation in the second sliding direction perpendicular to the first sliding direction, so that the learning cost of the user familiar with the operation is reduced.

Based on the method shown in the foregoing embodiment, the embodiment of the present application further provides a method for displaying content, which can display in groups under the condition that there are many parent interfaces, and can also display an icon corresponding to each parent interface, so that a user can determine the parent interface that needs to be searched. Please refer to the following examples.

Referring to fig. 15, fig. 15 is a flowchart of a method for displaying content according to the present application, which can be applied to the head-mounted display device shown in fig. 1. In fig. 15, the method includes:

step 1001, displaying a first parent interface in a display area of a head-mounted display device.

In this example, the execution process of step 1001 may refer to the execution process of step 210, and is not described herein again.

Step 1002, in response to the interface zoom-out operation, the first parent interface is changed from the full-screen display state to the zoom-out display state in the display area, and the application icons of the n parent interfaces are displayed in the blank area appearing after the zoom-out in the display area, and the application icon of the first parent interface is highlighted.

Referring to fig. 16, fig. 16 is a schematic view of interface reduction provided based on the embodiment shown in fig. 15. In fig. 16, the display area 11A displays the first parent interface 1111 in full screen before the head-mounted display device receives the interface zoom-out operation. After the head-mounted display device receives the interface reduction operation, the reduced first parent interface 1111 is displayed in the display area 11A, and the application icons corresponding to the n parent interfaces are displayed in the blank area generated after the reduction of the first parent interface 1111. In fig. 16, n is 4 as an example. The display area 11A displays 4 application icons, namely a fitness application icon 1121, a social application icon 1122, a music application icon 1123, and a translation application 1124, in parallel with the first parent interface 1111 after the reduction.

Wherein, because first parent interface 1111 is a parent interface of the fitness application, fitness application icon 1121 is highlighted.

Referring to fig. 17, fig. 17 is a schematic view illustrating a process of zooming out and zooming in an interface according to the embodiment shown in fig. 15. In fig. 17, the head-mounted display device displays the first parent interface 710 in full screen in the display area, and then, when an interface reduction operation is received, reduces the first parent interface 710 and displays application icons of the respective 4 parent interfaces. Wherein the application icon of the first parent interface 710 is highlighted. In fig. 17, the manner of highlighting is a peripheral bold outline display. In the zoom-out state, the user can still switch the interface displayed in the display area, and the interface can be a parent interface or a child interface. In fig. 17, the interface is described by taking a parent interface as an example. When the second parent interface is in the reduced display state in the display area and the application icon of the second parent interface is highlighted, the head-mounted display device can switch the second parent interface from the reduced display state to the full display state in the display area in response to the interface zoom-in operation, as shown in full screen second parent interface 720 in fig. 17.

And 1003, responding to the fact that the horizontal sliding is sensed on the glasses legs, and confirming that the first sliding operation is received.

Wherein, head mounted display device includes the mirror leg that is provided with the touch perception area.

And 1004, in response to the first sliding operation, sliding the first parent interface out of the display area and sliding the second parent interface into the display area based on the first sliding direction indicated by the first sliding operation.

And the second parent interface and the first parent interface have the same level.

In this example, the execution process of step 1004 may refer to the execution process of step 220, which is not described herein again.

Step 1005, in the case that the second parent interface is in the reduced display state in the display area and the application icon of the second parent interface is highlighted, in response to the interface enlarging operation, switching the second parent interface from the reduced display state to the full display state in the display area, and canceling to display the application icon of each of the n parent interfaces in the display area.

It should be noted that the second parent interface may be the same parent interface as the first parent interface; the second parent interface may also be a different parent interface than the first parent interface.

In this example, the interface zooming-out operation may be at least one of a touch operation, a tapping operation, or an entity button operation, which is not limited in this embodiment of the present application.

Step 1006, in response to sensing a vertical slide on the temple, acknowledging receipt of the second slide operation.

Step 1007, in response to the second sliding operation, sliding the first parent interface out of the display area and sliding the first child interface into the display area based on a second sliding direction indicated by the second sliding operation, where the second sliding direction is perpendicular to the first sliding direction.

Wherein the first child interface is a child interface of the first parent interface.

In this example, the execution procedure of step 1007 may refer to the execution procedure of step 230, and will not be described herein.

Optionally, to improve the efficiency of the user switching the parental interface using the head-mounted display device. The upper limit of the number of parent interfaces displayed in parallel, namely the limit of the number of n, can be set in the head-mounted display device. For example, the upper limit of n is set to 5. If more than 5 applications are running in the head mounted display device, they are grouped into other groups.

For example, if there are n parent interfaces running in the head mounted display device and the upper limit of a set of parent interfaces is q, then [ n/q ] +1 set of parent interfaces is running in the head mounted display device. In addition, [ n/q ] represents the rounding of the logarithmic value n/q. For example, if n/q has a value of 2.2, then [ n/q ] has a value of 2.

For example, if there are 9 parent interfaces running in the head-mounted display device and the upper limit of one group of parent interfaces is 5, then 2 groups of parent interfaces run in the head-mounted display device. Wherein the first group comprises a1 st parent interface to a 5 th parent interface; the second group includes parent 6 to parent 9 interfaces.

When the head-mounted display device currently displays the first set of parent interfaces, and the user wants to view the parent interfaces in the second set, the user is required to switch the first set of parent interfaces to the second set of parent interfaces.

The present application provides a switching manner in which an acceleration sensor is included in a head-mounted display device to which the switching manner is applied. The head-mounted display device monitors motion events of the head-mounted display device through an acceleration sensor; in the case where the head mounted display device is in a bright screen display, the head mounted display device may execute branch one or branch two in response to the head mounted display device generating a single forward scroll motion event. The single-time forward rolling motion event may be an event that the head-mounted display device returns to the initial posture after the forward rolling angle exceeds a specified angle within a specified time length. Alternatively, a single forward-scroll motion event may also be an event that is triggered when the speed at which the head-mounted display device scrolls forward exceeds a threshold.

Branching one: and replacing q fourth parent interfaces in the n parent interfaces with n-q fifth parent interfaces. Wherein n is less than or equal to 2 q.

And branch two: and replacing q fourth parent interfaces in the n parent interfaces with q fifth parent interfaces. Wherein n is greater than 2 q.

In actual operation, the user may take the head mounted display device off and quickly lean forward, or quickly nod forward while wearing the head mounted display device to complete a single forward roll motion event.

In summary, the method for displaying content provided in this embodiment can prompt the user to move to the parent interface or the child interface required by the user by displaying the application icon corresponding to the parent interface when the user is not familiar with the parent interface switching sequence or the parent interfaces are many, so that the efficiency of switching the interfaces in the head-mounted display device by the user is improved.

The following are embodiments of the apparatus of the present application that may be used to perform embodiments of the method of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, reference is made to the embodiments of the method of the present application.

Referring to fig. 18, fig. 18 is a block diagram illustrating a device for displaying content according to an exemplary embodiment of the present disclosure. The means for displaying content may be implemented as all or part of a head-mounted display device in software, hardware, or a combination of both. The apparatus for displaying content includes:

a display module 1310 for displaying a first parent interface in a display area of a head-mounted display device;

a first sliding module 1320, configured to, in response to a first sliding operation, slide the first parent interface out of the display area and slide a second parent interface into the display area based on a first sliding direction indicated by the first sliding operation, where the second parent interface and the first parent interface are at the same level;

a second sliding module 1330, configured to, in response to a second sliding operation, slide the first parent interface out of the display area and slide a first child interface into the display area based on a second sliding direction indicated by the second sliding operation, where the second sliding direction is perpendicular to the first sliding direction, and the first child interface is a child interface of the first parent interface.

In an optional embodiment, the first sliding module 1320 is configured to, in response to the first sliding operation, slide the parent interface at the ith position out of the display area and slide the parent interface at the (i + 1) th position into the display area based on a first sliding direction indicated by the first sliding operation if the first parent interface is a parent interface ordered at the ith position among n parent interfaces, where i is an integer smaller than n; in a case that the first parent interface is a parent interface ranked at the nth position in the n parent interfaces, in response to the first sliding operation, sliding the parent interface at the nth position out of the display area and sliding the parent interface at the 1 st position into the display area based on a first sliding direction indicated by the first sliding operation; and the sorting direction of the n parent interfaces is the same as the first sliding direction.

In an optional embodiment, the apparatus further includes a third sliding module, configured to, in response to a third sliding operation, slide the first parent interface out of the display area and slide a third parent interface into the display area based on a third sliding direction indicated by the third sliding operation, where the third parent interface and the first parent interface are at the same level, and the third sliding direction and the first sliding direction are opposite to each other; in the case that the first parent interface is a parent interface ranked at the 1 st position in the n parent interfaces, in response to a third sliding direction indicated by the third sliding operation, sliding the parent interface at the 1 st position out of the display area, and sliding the parent interface at the n th position into the display area; the third sliding direction and the first sliding direction are opposite to each other; in a case that the first parent interface is a parent interface ordered at the ith position among the n parent interfaces, in response to the third sliding operation, sliding the parent interface at the ith position out of the display area and sliding the parent interface at the i-1 th position into the display area based on the third sliding direction indicated by the third sliding operation, wherein i is an integer greater than 1.

In an optional embodiment, the second sliding module 1330 is configured to, in response to a second sliding operation, slide the first parent interface of the position 1 out of the display area and slide the first child interface of the position 2 into the display area based on a second sliding direction indicated by the second sliding operation; the sorting direction of the first parent interface and the sorting direction of the m child interfaces are the same as the second sliding direction; and the first parent interface and the m-1 child interface are sequenced from the 1 st position to the m th position according to the second sliding direction, and m is a positive integer.

In an optional embodiment, the apparatus further includes a fourth sliding module, configured to, in response to the second sliding operation when the first sub-level interface is sorted at the j-th position, slide the first sub-level interface at the j-th position out of the display area and slide a sub-level interface at a j + 1-th position into the display area based on a second sliding direction indicated by the second sliding operation, where j is an integer smaller than m and greater than 1; in the case that the first child-level interface is sorted at the m-th position, in response to the second sliding operation, sliding the first child-level interface at the m-th position out of the display area and sliding the first parent-level interface at the 1 st position into the display area based on the second sliding direction indicated by the second sliding operation.

In an optional embodiment, the apparatus further includes a fifth sliding module, configured to, in response to a fourth sliding operation, slide the first parent interface at the position 1 out of the display area and slide the second child interface at the position m into the display area based on a fourth sliding direction indicated by the fourth sliding operation; the fourth sliding direction and the second sliding direction are opposite to each other; in the case that the second sub-level interface is sorted at the j-th position, in response to the fourth sliding operation, sliding the second sub-level interface at the j-th position out of the display area and sliding the sub-level interface at the j-1-th position into the display area based on a second sliding direction indicated by the fourth sliding operation, wherein j is an integer smaller than m and greater than 1; in the case that the second child interface is ordered at the 2 nd position, in response to the fourth sliding operation, sliding the second child interface at the 2 nd position out of the display area and sliding the first parent interface at the 1 st position into the display area based on the second sliding direction indicated by the fourth sliding operation.

In an optional embodiment, the apparatus further includes an interface zoom-out module, configured to, in response to an interface zoom-out operation, transition the first parent interface from the full-screen display state to a zoom-out display state in the display area, and display respective application icons of the n parent interfaces in a blank area appearing after zooming out in the display area, with the application icon of the first parent interface being highlighted.

In an optional embodiment, the apparatus further includes an interface enlarging module, configured to, in a case where the second parent interface is in a reduced display state in the display area and the application icon of the second parent interface is highlighted, switch the second parent interface from the reduced display state to the full display state in the display area in response to an interface enlarging operation, and cancel displaying the application icon of each of the n parent interfaces in the display area.

In an alternative embodiment, the head-mounted display device comprises a temple provided with a touch sensing area, and the apparatus further comprises a first receiving module and a second receiving module. Wherein the first receiving module is configured to confirm that the first sliding operation is received in response to a horizontal sliding on the temple. The second receiving module is used for responding to the vertical sliding on the glasses legs and confirming that the second sliding operation is received.

The implementation process and the beneficial effects of the apparatus provided by the present application may refer to the foregoing method embodiments, which are not described herein again.

The embodiment of the present application further provides a computer-readable medium, which stores at least one instruction, and the at least one instruction is loaded and executed by the processor to implement the method for displaying content according to the above embodiments.

It should be noted that: in the device for displaying content according to the above embodiment, when the method for displaying content is executed, only the division of the functional modules is illustrated, and in practical applications, the function distribution may be completed by different functional modules according to needs, that is, the internal structure of the apparatus is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the content display apparatus and the content display method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in detail in the method embodiments and are not described herein again.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The above description is only exemplary of the implementation of the present application and is not intended to limit the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A method of displaying content, the method comprising:

2. The method of claim 1, wherein the sliding the first parent interface out of the display area and the sliding the second parent interface into the display area based on the first sliding direction indicated by the first sliding operation in response to the first sliding operation comprises:

in a case that the first parent interface is a parent interface ordered at the ith position in n parent interfaces, in response to the first sliding operation, sliding the parent interface at the ith position out of the display area and sliding the parent interface at the (i + 1) th position into the display area based on a first sliding direction indicated by the first sliding operation, wherein i is an integer less than n;

in a case that the first parent interface is a parent interface ranked at the nth position in the n parent interfaces, in response to the first sliding operation, sliding the parent interface at the nth position out of the display area and sliding the parent interface at the 1 st position into the display area based on a first sliding direction indicated by the first sliding operation;

and the sorting direction of the n parent interfaces is the same as the first sliding direction.

3. The method of claim 2, further comprising:

responding to a third sliding operation, sliding the first parent interface out of the display area and sliding a third parent interface into the display area based on a third sliding direction indicated by the third sliding operation, wherein the third parent interface and the first parent interface have the same level, and the third sliding direction and the first sliding direction are opposite.

4. The method of claim 3, wherein the sliding the first parent interface out of the display area and sliding a third parent interface into the display area based on a third sliding direction indicated by a third sliding operation in response to the third sliding operation comprises:

in the case that the first parent interface is a parent interface ranked at the 1 st position in the n parent interfaces, in response to a third sliding direction indicated by the third sliding operation, sliding the parent interface at the 1 st position out of the display area, and sliding the parent interface at the n th position into the display area; the third sliding direction and the first sliding direction are opposite to each other;

in a case that the first parent interface is a parent interface ordered at the ith position among the n parent interfaces, in response to the third sliding operation, sliding the parent interface at the ith position out of the display area and sliding the parent interface at the i-1 th position into the display area based on the third sliding direction indicated by the third sliding operation, wherein i is an integer greater than 1.

5. The method of claim 1, wherein the first parent interface and the m-1 child interface are ordered from position 1 to position m according to the second sliding direction, m is a positive integer, and sliding the first parent interface out of the display area and sliding the first child interface into the display area based on the second sliding direction indicated by the second sliding operation in response to the second sliding operation comprises:

in response to a second sliding operation, sliding the first parent interface of the 1 st position out of the display area and sliding the first child interface of the 2 nd position into the display area based on a second sliding direction indicated by the second sliding operation.

6. The method of claim 5, further comprising:

under the condition that the first sub-level interface is sequenced at the j-th position, responding to the second sliding operation, sliding the first sub-level interface at the j-th position out of the display area and sliding the sub-level interface at the j + 1-th position into the display area based on a second sliding direction indicated by the second sliding operation, wherein j is an integer smaller than m and larger than 1;

in the case that the first child-level interface is sorted at the m-th position, in response to the second sliding operation, sliding the first child-level interface at the m-th position out of the display area and sliding the first parent-level interface at the 1 st position into the display area based on the second sliding direction indicated by the second sliding operation.

7. The method of claim 5, further comprising:

in response to a fourth sliding operation, sliding the first parent interface at the 1 st position out of the display area and sliding the second child interface at the m-th position into the display area based on a fourth sliding direction indicated by the fourth sliding operation; the fourth sliding direction and the second sliding direction are opposite to each other.

8. The method of claim 7, wherein the sliding the first parent interface of the 1 st position out of the display area and the second child interface of the m-th position into the display area based on a fourth sliding direction indicated by a fourth sliding operation in response to the fourth sliding operation comprises:

in the case that the second sub-level interface is sorted at the j-th position, in response to the fourth sliding operation, sliding the second sub-level interface at the j-th position out of the display area and sliding the sub-level interface at the j-1-th position into the display area based on a second sliding direction indicated by the fourth sliding operation, wherein j is an integer smaller than m and greater than 1;

in the case that the second child interface is ordered at the 2 nd position, in response to the fourth sliding operation, sliding the second child interface at the 2 nd position out of the display area and sliding the first parent interface at the 1 st position into the display area based on the second sliding direction indicated by the fourth sliding operation.

9. The method of any of claims 1 to 8, further comprising:

responding to an interface zooming-out operation, changing the first parent interface from the full-screen display state to a zoomed-out display state in the display area, and displaying application icons of the n parent interfaces in a blank area appearing after zooming out in the display area, wherein the application icon of the first parent interface is highlighted.

10. The method of claim 9, wherein the second parent interface is in a zoomed-out display state in the display area and an application icon of the second parent interface is highlighted;

the method further comprises the following steps:

and responding to interface magnification operation, switching the second parent interface from the reduced display state to the full-screen display state in the display area, and canceling to display the application icons of the n parent interfaces in the display area.

11. The method of any of claims 1 to 8, wherein the head mounted display device comprises a temple provided with a touch sensitive area, the method further comprising:

confirming receipt of the first sliding operation in response to sensing horizontal sliding on the temple;

or the like, or, alternatively,

confirming receipt of the second sliding operation in response to sensing a vertical directional sliding on the temple.

12. An apparatus for displaying content, the apparatus comprising:

13. A head-mounted display device comprising a processor, a memory coupled to the processor, and program instructions stored on the memory that, when executed by the processor, implement a method of displaying content according to any of claims 1 to 11.

14. A computer readable storage medium having stored thereon program instructions which, when executed by a processor, implement a method of displaying content according to any one of claims 1 to 11.