CN110377260A - A kind of Multi-screen display system and method - Google Patents
A kind of Multi-screen display system and method Download PDFInfo
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- CN110377260A CN110377260A CN201910809408.6A CN201910809408A CN110377260A CN 110377260 A CN110377260 A CN 110377260A CN 201910809408 A CN201910809408 A CN 201910809408A CN 110377260 A CN110377260 A CN 110377260A
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- 238000001514 detection method Methods 0.000 claims abstract description 25
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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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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Abstract
The present invention provides a kind of Multi-screen display system and method, which includes multiple screens, car entertainment host, screen manager, application manager, and screen manager distributes screen ID number respectively and store for multiple screens.Application manager includes obtaining module and detection module, obtains the respective relevant information of Application Program Interface that module is used to obtain the Application Program Interface newly started and show operation；Whether the screen ID number of screen is identical where detection module is used to judge the new screen ID number for starting Application Program Interface place screen and is showing operation Application Program Interface, in screen ID number difference, by new starting Application Program Interface and showing that operation Application Program Interface is respectively displayed on the screen of corresponding screen ID number.
Description
Technical field
The present invention relates to vehicle device technical fields, more particularly to a kind of Multi-screen display system and method.
Background technique
Often there are multiple display screens in the onboard system of present automobile, in multiple display screens, some display screen displays
Show entertainment software, such as music/video software, navigation map, phone, bluetooth, some instrument display screens (DIM) display speed,
The information such as oil mass, navigation map, phone or music, some head up display can show the information such as navigation, phone or music.And it is more
The presence of a display screen makes the interface of multiple display screens be not simultaneously in active state, i.e., can only on point at the same time
There is a display screen interface to be in active state, other display screen interfaces then can be placed in a suspend state.For example, working as instrument display screen
When showing navigation information, if passenger is using main display broadcasting video in copilot, at this time due to main display interface
It is in active state, the navigation information shown on instrument display screen can not be continued.In another example head up display (Head-Up
Display, HUD) it is car entertainment host to be connected to by instrument display screen, therefore the two shares and leads to transmitting video-frequency flow all the way
Road LVDS, if showing navigation information or phone information on instrument display screen, head up display cannot show relevant information at this time.
It can be seen that the same time can only have a display applications that can run, it is poor so as to cause the riding experience of user.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State the Multi-screen display system and method for problem.
According to the present invention on the one hand, a kind of Multi-screen display system is provided, comprising:
Multiple screens, for showing Application Program Interface；
Screen manager is separately connected with car entertainment host and multiple screens, for dividing respectively for the multiple screen
With screen ID number and store；
Application manager is connect with screen manager, comprising: module is obtained, for obtaining the application journey newly started
Sequence interface and showing that the respective relevant information of the Application Program Interface of operation, the relevant information include Application Program Interface
The screen ID number of place screen and the operating status of Application Program Interface；
Detection module is connect, for judging the screen ID number of screen where newly starting Application Program Interface with module is obtained
With showing operation Application Program Interface where screen screen ID number it is whether identical, in screen ID number difference, will newly open
It moves Application Program Interface and is showing that operation Application Program Interface is respectively displayed on the screen of corresponding screen ID number.
Optionally, the system also includes:
Split screen setter is connect with the detection module, newly starts application program for judging in the detection module
After the screen ID number of screen where interface is identical as the operation Application Program Interface place screen ID number of screen is being shown, by ID
The corresponding screen window mode of number identical screen is set as adjustable free schema.
Optionally, if two screens in the multiple screen share same low-voltage differential signal LVDS data transmission
Stream, the screen ID number for defining two screens is identical, and one of screen is directly connected to car entertainment host, another screen
It is indirectly connected with car entertainment host, the relevant information of the Application Program Interface further includes the size letter of Application Program Interface
Breath,
The split screen setter is also used to setting adjustable for the corresponding screen window mode of the identical screen of ID number
Free schema after, journey is applied in the window display size adjustment new starting according to screen where new starting Application Program Interface
The dimension information at sequence interface, and according to described in the window display size adjustment of screen where showing operation Application Program Interface
The dimension information for showing operation Application Program Interface, the dimension information of Application Program Interface adjusted is combined,
Dimension information after combination is sent to together with other relevant informations of Application Program Interface and is directly connected with car entertainment host
The screen connect；
The screen being directly connected to car entertainment host retains the relevant information of the Application Program Interface with own adaptation
And show corresponding Application Program Interface, and the relevant information at remaining applications interface is sent between car entertainment host
The screen connect in succession.
Optionally, multiple screens include:
Touch-screen-enabled: main display and air conditioner display screen；
Non-touch screen: instrument display screen, head up display；The instrument display screen is directly connected to car entertainment host,
Head up display is indirectly connected with through instrument display screen and car entertainment host, the screen ID number of instrument display screen and head up display
It is identical.
Optionally, the split screen setter is also used to notify car entertainment host to be directed to the application program newly started and just
Two independent stacks are created in the application program of display operation, and task is respectively created in each stack by car entertainment host,
Execute the application program newly started and the application program for showing operation respectively in different task.
Optionally, the relevant information of the Application Program Interface further includes the task ID number of Application Program Interface,
The detection module, be also used to judge newly start Application Program Interface where screen screen ID number with
After the screen ID number of screen is identical where display operation Application Program Interface, the new starting Application Program Interface is further judged
Corresponding task ID number and showing operation Application Program Interface task ID number it is whether identical, it is not identical in task ID number
When, the operating status for showing operation Application Program Interface is changed to active state by preparation halted state, so as to newly open
It moves Application Program Interface and is showing that operation Application Program Interface is respectively displayed on corresponding screen.
Optionally, the acquisition module Application Program Interface newly started got and the application journey for showing operation
The operating status at sequence interface are as follows: the operating status of the Application Program Interface newly started is active state, is showing answering for operation
It is to prepare halted state with the operating status of program interface；
The detection module, be further adapted for judge newly start Application Program Interface where screen screen ID number with
Where display operation Application Program Interface when the screen ID number difference of screen, the operation of operation Application Program Interface will be being shown
State is changed to active state by preparation halted state.
According to the present invention on the other hand, a kind of multi-display method is additionally provided, comprising:
It obtains the Application Program Interface newly started and is showing the respective relevant information of the Application Program Interface of operation, institute
Stating relevant information includes the screen ID number of screen and the operating status of Application Program Interface where Application Program Interface；
Judgement newly starts the screen ID number of Application Program Interface place screen and is showing operation Application Program Interface institute
It is whether identical in the screen ID number of screen；
If screen ID number is different, it will newly start Application Program Interface and show that operation Application Program Interface is shown respectively
On the screen of corresponding screen ID number.
Optionally, it obtains the Application Program Interface newly started and is showing the respective correlation of the Application Program Interface of operation
Before information, further includes:
Multiple screens for the connection of car entertainment host distribute screen ID number respectively and store.
Optionally, the method also includes:
If newly starting Application Program Interface where screen screen ID number and showing operation Application Program Interface where
The screen ID number of screen is identical, sets adjustable free schema for the corresponding screen window mode of the identical screen of ID number；
According to the identical screen size of screen ID number, corresponding screen window display size is set；
Window display size according to screen where new starting Application Program Interface adjusts new starting application program circle
The dimension information in face, and the window display size adjustment according to screen where showing operation Application Program Interface is described
The dimension information of display operation Application Program Interface；
The dimension information of Application Program Interface adjusted is combined, by the dimension information and application program after combination
Other relevant informations at interface are sent to the screen being directly connected to car entertainment host together, by direct with car entertainment host
The screen of connection will retain with the relevant information of the Application Program Interface of own adaptation and show corresponding Application Program Interface, and
The relevant information at remaining applications interface is sent to the screen being indirectly connected with car entertainment host.
In embodiments of the present invention, screen ID number is distributed respectively for multiple screens by screen manager and stored, obtaining
Modulus block obtains the screen ID number and operation shape of the Application Program Interface newly started and the Application Program Interface for showing operation
After state, the screen ID number of new starting Application Program Interface place screen is judged using detection module and is showing operation using journey
Whether the screen ID number of screen where sequence interface is identical, in screen ID number difference, will newly start Application Program Interface and just
It is respectively displayed on the screen of corresponding screen ID number in display operation Application Program Interface, to have effectively achieved split screen display available
Effect, with improving user riding experience.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of Multi-screen display system according to an embodiment of the invention；
Fig. 2 shows the connection schematic diagrams of multiple screens and car entertainment host according to an embodiment of the invention；
Fig. 3 shows the structural schematic diagram of Multi-screen display system in accordance with another embodiment of the present invention；
Fig. 4 shows the flow diagram of multi-display method according to an embodiment of the invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
In order to solve the above technical problems, the embodiment of the invention provides a kind of Multi-screen display systems.Fig. 1 is shown according to this
The structural schematic diagram of the Multi-screen display system of invention one embodiment.Referring to Fig. 1, Multi-screen display system includes multiple screen (Fig. 1
In three screens, respectively screen 1, screen 2, screen 3 are shown), screen manager 110, have obtain module 121 and detection mould
The application manager 120 of block 122.
Multiple screens are for showing Application Program Interface.Screen manager 110 and car entertainment host (Fig. 1 is not shown) and
Multiple screens are separately connected, for distributing screen ID number respectively for multiple screens and storing.
Application manager 120 is connect with screen manager 110, the acquisition module 121 in application manager 120
The Application Program Interface of available new starting and showing the respective relevant information of the Application Program Interface of operation.Here
Relevant information may include the screen ID number of screen and the operating status of Application Program Interface where Application Program Interface.
Detection module 122 in application manager 120 is connect with module 121 is obtained, it can be determined that new starting application
The screen ID number of screen where program interface with showing operation Application Program Interface place screen screen ID number whether phase
Together, when screen ID number difference, the operating status for showing operation Application Program Interface is changed to by preparation halted state
Active state, due to showing that the operating status of operation Application Program Interface and new starting Application Program Interface is work at this time
Dynamic state, therefore can make newly to start Application Program Interface and show that operation Application Program Interface is respectively displayed on corresponding screen
On the screen of curtain ID number.
The embodiment of the present invention is that multiple screens distribute screen ID number respectively and store by screen manager 110, is being obtained
Module 121 obtains the screen ID number and operation shape of the Application Program Interface newly started and the Application Program Interface for showing operation
After state, judge that the screen ID number of screen where newly starting Application Program Interface is answered with operation is being shown using detection module 122
Whether the screen ID number of screen is identical where program interface, when screen ID number difference, will can newly start application program circle
It face and is showing that operation Application Program Interface is respectively displayed on the screen of corresponding screen ID number, it is aobvious to have effectively achieved split screen
Show effect, with improving user riding experience.
In the embodiment of the present invention, the operating status for the Application Program Interface newly started that module 121 is got is obtained as fortune
Row state is showing the operating status of the Application Program Interface of operation to prepare halted state.If at this time to showing fortune
The operating status of capable Application Program Interface is without modification, then showing that the Application Program Interface of operation will be temporary
Stop, on the screen that the Application Program Interface newly started is only corresponded to screen ID number.Therefore, the embodiment of the present invention can be by will just
Active state is changed to by preparation halted state in the operating status of display operation Application Program Interface, so as to show operation
Application Program Interface also may be displayed on the screen of corresponding screen ID number.
Framework layer of the course of work of the Multi-screen display system of the embodiment of the present invention based on vehicle entertainment system.When
After vehicle entertainment system starting, each of vehicle entertainment system is first connected to by kernel layers of detection driver detection and is set
It is standby, and be each equipment distribution driving and physical port.In turn, call the multi-screen of the present embodiment aobvious after entering framework layers
Show system.
In an embodiment of the present invention, multiple screens may include touch-screen-enabled and non-touch screen, wherein touch-screen-enabled packet
Main display (CSD) and air conditioner display screen (CSDM) are included, main display and air conditioner display screen can do the contact action of user
It responds out.Non-touch screen includes instrument display screen (DIM) and head up display (HUD), and instrument display screen and head up display are not
The contact action of user can be responded.
Referring to fig. 2, main display 21, air conditioner display screen 22, instrument display screen 23 pass through the LVDS (Low- of physics
Voltage Differential Signaling, low-voltage differential signal) interface (not shown) is connected to car entertainment
On host 20 (IHU), car entertainment host 20 is responsible for this three pieces screen output data transport streams.Wherein, 23 He of instrument display screen
Head up display 24 shares same low-voltage differential signal LVDS data transmission stream, therefore, instrument display screen 23 and the display that comes back
The screen ID of device 24 is identical, and instrument display screen 23 is directly connected to car entertainment host 20, and head up display 24 is shown through instrument
Screen 23 is indirectly connected with car entertainment host 20, and data transmission stream is transmitted to head up display 24 by instrument display screen 23.
In the embodiment, for example, it is 0 that screen manager 110, which is the screen ID that main display 21 distributes, it is instrument display screen
23 and head up display 24 distribute screen ID be 1, be air conditioner display screen 22 distribution screen ID be 2.
Combined with Figure 1 and Figure 2, more clearly to embody the content of present invention, now with a specific example to the embodiment of the present invention
It is introduced.
Assuming that showing operation music application interface on instrument display screen 23.It is newly started on main display 21
Behind navigation application program interface, it is corresponding that the acquisition module 121 of application manager 120 gets navigation application program interface
Screen ID number is 0 and operating status is active state, gets the corresponding screen ID number in music application interface and is 1 and runs
State is to prepare halted state.
In turn, the detection module 122 of application manager 120 judges the corresponding screen ID in navigation application program interface
Number 0 screen ID number 1 corresponding from music application interface is different, and by the operating status at music application interface by preparing
Halted state is changed to active state, and the active state at navigation application program interface remains unchanged, at this point it is possible to answer music
Continuing the navigation application program interface for showing on instrument display screen 23, and newly starting with program interface can also be simultaneously main aobvious
It is shown in display screen 21.
It in embodiments of the present invention, can not be directly to the contact action of user since instrument display screen 23 is non-touch screen
It responds.Therefore, the music application for operation being shown on instrument display screen 23 is by user in main display 21
On to music application carry out start-up operation, and be arranged display screen be instrument display screen 23 realize.
In the embodiment, the music information shown on music application interface may include song title, singer informations,
The information such as duration, progress bar, the lyrics it is one or more.The navigation signal shown on navigation application program interface may include working as
Preceding traffic information, vehicle position information etc., the present embodiment does not limit this.
Referring to Fig. 3, in an embodiment of the present invention, Multi-screen display system can also include split screen setter 130, and split screen is set
It sets device 130 to connect with detection module 122, screen where can judging newly to start Application Program Interface in detection module 122
After screen ID number is identical as the operation Application Program Interface place screen ID number of screen is being shown, by the identical screen pair of ID number
The screen window mode answered is set as adjustable free schema.So as to the corresponding screen window of the identical screen of ID number
Display size be configured according to the size of actual screen.
Further, split screen setter 130 is setting adjustable for the corresponding screen window mode of the identical screen of ID number
After whole free schema, it can also be answered according to the new starting of window display size adjustment of screen where new starting Application Program Interface
With the dimension information of program interface, and the window display size adjustment according to screen where showing operation Application Program Interface
Showing the dimension information of operation Application Program Interface.And then the dimension information of Application Program Interface adjusted is subjected to group
It closes, and other relevant informations of dimension information and Application Program Interface after combination is supplied to car entertainment host and are directly connected to
Screen.Finally, the relevant information of the Application Program Interface of own adaptation is protected by the screen that car entertainment host is directly connected to
It stays and shows corresponding Application Program Interface, and the relevant information at remaining applications interface is sent to and car entertainment host
The screen being indirectly connected with.
In an embodiment of the present invention, in realization different application interface display during different screen, if not
It is identical with screen ID number where Application Program Interface, then the task ID number for also needing further to analyze Application Program Interface is
It is no identical.It is shown on different screen to avoid identical Application Program Interface.Specifically, the relevant information of Application Program Interface
It further include the task ID number of Application Program Interface, the screen where detection module 122 is judged newly to start Application Program Interface
After screen ID number is identical as the operation Application Program Interface place screen ID number of screen is being shown, the further new starting of judgement is answered
With the corresponding task ID number of program interface and showing whether the task ID number of operation Application Program Interface is identical, in task ID
When number not identical, it can will show that the operating status of operation Application Program Interface be changed to moving type by preparation halted state
State, so as to newly start Application Program Interface and showing that operation Application Program Interface is respectively displayed on corresponding screen.
In conjunction with Fig. 2 and Fig. 3, more clearly to embody above content, now with a specific example to the embodiment of the present invention into
Row is introduced.
In the embodiment, instrument display screen 23 is directly connected to car entertainment host 20, and head up display 24 is aobvious through instrument
Display screen 23 is indirectly connected with car entertainment host 20, and to share same low-voltage poor for instrument display screen 23 and head up display 24
Sub-signal LVDS data transmission stream.
Assuming that showing operation music application interface on instrument display screen 23.Newly start in head up display 24
Behind navigation application program interface, obtains module 121 and get navigation application program interface corresponding screen ID number and be 1 and run
State is active state, also, get the corresponding screen ID number in music application interface be 1 and operating status be prepare it is temporary
Stop state.In turn, detection module 122 judges the corresponding screen ID number 1 in navigation application program interface and music application circle
After the corresponding screen ID number 1 in face is identical, split screen setter 130 carries out split screen operation.
In the embodiment, it is assumed that the screen window of instrument display screen 23 shows dimensions as 1920 × 720, and head up display
24 screen window shows dimensions as 640 × 360, then dimension information of the split screen setter 130 to music application interface
1920 × 720 are set as, and 640 × 360 are set as to the dimension information at navigation application program interface.Then to music application journey
The dimension information at sequence interface and navigation application program interface is combined, and the dimension information combination at different application interface is pair
The splicing at different application interface, combined dimension information correspond to combined application program interface.The embodiment defines two not
With position of the Application Program Interface in combined application program interface of size, for example, music is answered in combined application program interface
With program interface in upper position, navigation application program interface is in lower left position, in order to guarantee that combined application program interface is square
Shape can also carry out interface supplement in the bottom-right location in combined application program interface.
The dimension information for being finally provided to the combined application program interface of instrument display screen 23 can be 1920 × 1080.Instrument
Table display screen 23 after receiving 1920 × 1080 interface dimensions information, can by the dimension information of combined application program interface into
Row is split, according to the position at the display size 1920 × 720 of itself screen window and music application interface by music application
Program interface retains, but also the interface dimensions information of the 640 × 360 of navigation application program interface can be provided to new line display
Device 24.
In turn, when detection module 122 judges the corresponding task ID number in music application interface and navigation application program
When the task ID number at interface is not identical, the operating status at music application interface is changed to moving type by preparation halted state
State, so that music application interface continues to be shown on instrument display screen 23, and the navigation application program interface that will newly start
It is shown in head up display 24, the display of two Application Program Interfaces is independent of each other.
It in embodiments of the present invention, can not be direct since instrument display screen 23 and head up display 24 are non-touch screen
The contact action of user is responded.Therefore, the music application and new line of operation are being shown on instrument display screen 23
The navigation application program newly started on display 24 be by user on main display 21 to music application and navigation
Application program carries out start-up operation respectively and is arranged what corresponding display screen was realized.
In an embodiment of the present invention, since the operations of multiple application programs can be carried out on main display 21, lead to
Multiple application programs may be will start by crossing main display 21, in order to avoid the Application Program Interface newly started is answered with what is be currently running
The screen where program interface is not main display 21, then, the screen of screen where judging newly to start Application Program Interface
After curtain ID number is identical as the operation Application Program Interface place screen ID number of screen is being shown, it is also necessary to further analyze phase
With screen ID number whether be main display 21 ID number, when identical screen ID number is not the ID number of main display 21, point
Screen setter 130 just understands the subsequent split screen operation of further progress.
In an embodiment of the present invention, when newly starting Application Program Interface where screen screen ID number and showing fortune
Where row Application Program Interface when the screen ID number difference of screen, car entertainment host 20 can be distinguished for the two application programs
Stack is created, and task is respectively started in two respective stacks of Application Program Interface for executing the application program newly started and just
In the application program of display operation, when newly, starting Application Program Interface and display operation Application Program Interface are respectively displayed on correspondence
Screen on when, two Application Program Interfaces respectively the operating status in stack be active state.In this embodiment, using journey
The respective relevant information in sequence interface further includes having stack information.
In an alternative embodiment of the invention, when newly starting Application Program Interface where screen screen ID number with showing
When the screen ID number of screen is identical where running Application Program Interface, although the identical screen of screen ID number shares same data and passes
Defeated stream, however, to ensure that two application programs independent operating in car entertainment host 20, then can use split screen setter
130 notice car entertainment hosts 20 are directed to the application program newly started and the application program for showing operation creates two independences
Stack, and task is respectively created in each stack, to execute the application program newly started and respectively in different task
Show the application program of operation, and then when not interfering with another application program in the operation troubles of an application program.
It can be seen from the above content that no matter multiple screens are total using a plurality of LVDS data flow or multiple screens respectively
With same LVDS data flow, the present invention program can make multiple screens while show different Application Program Interfaces, so as to
Enough reach preferably user's riding experience.
Based on the same inventive concept, the embodiment of the invention also provides a kind of multi-display method, Fig. 4 is shown according to this
The flow diagram of the multi-display method of invention one embodiment, referring to fig. 4, multi-display method include that step S410 is extremely walked
Rapid S414.
Step S410 obtains the Application Program Interface newly started and is showing the respective phase of the Application Program Interface of operation
Close information.
In the step, the relevant information of Application Program Interface includes the screen ID number of screen where Application Program Interface and answers
With the operating status of program interface.Wherein, the operating status of the Application Program Interface newly started got is active state, just
It is to prepare halted state in the operating status of the Application Program Interface of display operation；
Step S412 judges the screen ID number of new starting Application Program Interface place screen and is showing operation using journey
Whether the screen ID number of screen is identical where sequence interface；If it is not, step S414 is executed, if so, terminating.
Step S414 by new starting Application Program Interface and is showing that operation Application Program Interface is respectively displayed on correspondence
On the screen of screen ID number.
In an embodiment of the present invention, the Application Program Interface and showing fortune that step S410 acquisition newly starts are being executed
Before the respective relevant information of capable Application Program Interface, it can also be distributed respectively for multiple screens of car entertainment host connection
Screen ID number simultaneously stores.Wherein it is possible to which the screen ID number distributed for screen is stored in the memory of vehicle entertainment system.
Certainly, other relevant informations of the application program of the embodiment of the present invention also can store in vehicle entertainment system
In depositing.It is subsequent, in the respective related letter of Application Program Interface for obtaining the Application Program Interface newly started and showing operation
When breath, can directly it be obtained from memory.
In an embodiment of the present invention, if the screen of screen where judging newly to start Application Program Interface in step S412
ID number is identical as the operation Application Program Interface place screen ID number of screen is being shown, then can be by the identical screen of ID number
Corresponding screen window mode is set as adjustable free schema.In turn, according to the identical screen size setting of screen ID number
Corresponding screen window display size.
Window display size according to screen where new starting Application Program Interface adjusts new starting Application Program Interface
Dimension information, and the window display size adjustment according to screen where showing operation Application Program Interface is showing operation
The dimension information of Application Program Interface.The dimension information of Application Program Interface adjusted is combined, by the ruler after combination
Very little information is sent to the screen being directly connected to car entertainment host together with other relevant informations of Application Program Interface, by with
The screen that car entertainment host is directly connected to will retain with the relevant information of the Application Program Interface of own adaptation and show corresponding
Application Program Interface, and the relevant information at remaining applications interface is sent to the screen being indirectly connected with car entertainment host
Curtain.
According to the combination of any one above-mentioned preferred embodiment or multiple preferred embodiments, the embodiment of the present invention can reach
It is following the utility model has the advantages that
In embodiments of the present invention, screen ID number is distributed respectively for multiple screens by screen manager and stored, obtaining
Modulus block obtains the screen ID number and operation shape of the Application Program Interface newly started and the Application Program Interface for showing operation
After state, the screen ID number of new starting Application Program Interface place screen is judged using detection module and is showing operation using journey
Whether the screen ID number of screen is identical where sequence interface, in screen ID number difference, operation can will shown using journey
The operating status at sequence interface is changed to active state by preparation halted state, to make newly to start Application Program Interface and show
Show that operation Application Program Interface is respectively displayed on the screen of corresponding screen ID number, has effectively achieved split screen display available effect, mention
With having risen user riding experience.
It, can be with it is apparent to those skilled in the art that the specific work process of the method for foregoing description
With reference to the corresponding process in preceding method embodiment, for brevity, do not repeat separately herein.
In addition, each functional unit in each embodiment of the present invention can be physically independent, can also two or
More than two functional units integrate, and can be all integrated in a processing unit with all functional units.It is above-mentioned integrated
Functional unit both can take the form of hardware realization, can also be realized in the form of software or firmware.
Those of ordinary skill in the art will appreciate that: if the integrated functional unit is realized and is made in the form of software
It is independent product when selling or using, can store in a computer readable storage medium.Based on this understanding,
Technical solution of the present invention is substantially or all or part of the technical solution can be embodied in the form of software products,
The computer software product is stored in a storage medium comprising some instructions, with so that calculating equipment (such as
Personal computer, server or network equipment etc.) various embodiments of the present invention the method is executed when running described instruction
All or part of the steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM), random access memory
Device (RAM), the various media that can store program code such as magnetic or disk.
Alternatively, realizing that all or part of the steps of preceding method embodiment can be (all by the relevant hardware of program instruction
Such as personal computer, the calculating equipment of server or network equipment etc.) it completes, described program instruction can store in one
In computer-readable storage medium, when described program instruction is executed by the processor of calculating equipment, the calculating equipment is held
The all or part of the steps of row various embodiments of the present invention the method.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: at this
Within the spirit and principle of invention, it is still possible to modify the technical solutions described in the foregoing embodiments or right
Some or all of the technical features are equivalently replaced；And these are modified or replaceed, and do not make corresponding technical solution de-
From protection scope of the present invention.
Claims (10)
1. a kind of Multi-screen display system, comprising:
Multiple screens, for showing Application Program Interface；
Screen manager is separately connected with car entertainment host and multiple screens, for distributing screen respectively for the multiple screen
Curtain ID number simultaneously stores；
Application manager is connect with screen manager, comprising: module is obtained, for obtaining application program circle newly started
Face and the respective relevant information of the Application Program Interface of operation is being shown, where the relevant information includes Application Program Interface
The screen ID number of screen and the operating status of Application Program Interface；
Detection module connect, for judging the screen ID number and just of screen where newly starting Application Program Interface with module is obtained
Whether the screen ID number of screen is identical where running Application Program Interface in display, in screen ID number difference, will newly start and answer
With program interface and showing that operation Application Program Interface is respectively displayed on the screen of corresponding screen ID number.
2. system according to claim 1, wherein the system also includes:
Split screen setter is connect with the detection module, newly starts Application Program Interface for judging in the detection module
After the screen ID number of place screen is identical as the operation Application Program Interface place screen ID number of screen is being shown, by ID number phase
The same corresponding screen window mode of screen is set as adjustable free schema.
3. system according to claim 2, wherein if to share same low-voltage poor for two screens in the multiple screen
Sub-signal LVDS data transmission stream, the screen ID number for defining two screens is identical, and one of screen and car entertainment host
It is directly connected to, another screen is indirectly connected with car entertainment host, and the relevant information of the Application Program Interface further includes answering
With the dimension information of program interface,
The split screen setter, be also used to by the corresponding screen window mode of the identical screen of ID number be set as it is adjustable from
After mode, the window display size according to screen where new starting Application Program Interface adjusts new starting application program circle
The dimension information in face, and the window display size adjustment according to screen where showing operation Application Program Interface is described
The dimension information of display operation Application Program Interface, the dimension information of Application Program Interface adjusted is combined, by group
Dimension information after conjunction is sent to together with other relevant informations of Application Program Interface to be directly connected to car entertainment host
Screen；
The relevant information of Application Program Interface with own adaptation is retained and is shown by the screen being directly connected to car entertainment host
Show corresponding Application Program Interface, and the relevant information at remaining applications interface is sent between car entertainment host in succession
The screen connect.
4. system according to claim 3, wherein multiple screens include:
Touch-screen-enabled: main display and air conditioner display screen；
Non-touch screen: instrument display screen, head up display；The instrument display screen is directly connected to car entertainment host, is come back
Display is indirectly connected with through instrument display screen and car entertainment host, the screen ID number phase of instrument display screen and head up display
Together.
5. system according to claim 3 or 4, wherein
The split screen setter is also used to that car entertainment host is notified to be directed to the application program newly started and showing operation
Application program creates two independent stacks, and task is respectively created in each stack by car entertainment host, in different task
The application program newly started and the application program for showing operation are executed respectively.
6. system according to claim 4, wherein the relevant information of the Application Program Interface further includes application program circle
The task ID number in face,
The detection module, be also used to judge newly start Application Program Interface where screen screen ID number with showing
After the screen ID number of screen is identical where running Application Program Interface, further judge that the new starting Application Program Interface is corresponding
Task ID number and showing operation Application Program Interface task ID number it is whether identical, when task ID number is not identical, will
Showing that the operating status of operation Application Program Interface is changed to active state by preparation halted state, so that new starting application
Program interface and showing operation Application Program Interface be respectively displayed on corresponding screen.
7. system according to claim 1-4, wherein
The fortune of the Application Program Interface newly started and the Application Program Interface for showing operation that the acquisition module is got
Row state are as follows: the operating status of the Application Program Interface newly started is active state, the Application Program Interface for showing operation
Operating status be prepare halted state；
The detection module, be further adapted for judge newly start Application Program Interface where screen screen ID number with showing
Where running Application Program Interface when the screen ID number difference of screen, the operating status of operation Application Program Interface will be being shown
Active state is changed to by preparation halted state.
8. a kind of multi-display method, comprising:
It obtains the Application Program Interface newly started and is showing the respective relevant information of the Application Program Interface of operation, the phase
Closing information includes the screen ID number of screen and the operating status of Application Program Interface where Application Program Interface；
Newly the screen ID number of screen where starting Application Program Interface is shielded with operation Application Program Interface place is being shown for judgement
Whether the screen ID number of curtain is identical；
If screen ID number is different, new starting Application Program Interface and showing is run into Application Program Interface and is respectively displayed on pair
On the screen for answering screen ID number.
9. according to the method described in claim 8, wherein, obtaining the Application Program Interface newly started and showing answering for operation
Before the respective relevant information of program interface, further includes:
Multiple screens for the connection of car entertainment host distribute screen ID number respectively and store.
10. method according to claim 8 or claim 9, wherein further include:
If newly starting the screen ID number of Application Program Interface place screen and showing screen where operation Application Program Interface
Screen ID number it is identical, set adjustable free schema for the corresponding screen window mode of the identical screen of ID number；
According to the identical screen size of screen ID number, corresponding screen window display size is set；
Window display size according to screen where new starting Application Program Interface adjusts the new starting Application Program Interface
Dimension information, and shown according to described in the window display size adjustment of screen where showing operation Application Program Interface
Run the dimension information of Application Program Interface；
The dimension information of Application Program Interface adjusted is combined, by the dimension information and Application Program Interface after combination
Other relevant informations be sent to the screen being directly connected to car entertainment host together, by being directly connected to car entertainment host
Screen will retain and show corresponding Application Program Interface with the relevant information of the Application Program Interface of own adaptation, and by its
The relevant information of remaining Application Program Interface is sent to the screen being indirectly connected with car entertainment host.
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