CN108205427A - A kind of multi-screen control method and device based on android system - Google Patents
A kind of multi-screen control method and device based on android system Download PDFInfo
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- CN108205427A CN108205427A CN201611169831.7A CN201611169831A CN108205427A CN 108205427 A CN108205427 A CN 108205427A CN 201611169831 A CN201611169831 A CN 201611169831A CN 108205427 A CN108205427 A CN 108205427A
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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 invention discloses one kind to be based on android system multi-screen control method, including：In response to the operational order received, the screen coding parameter in the operational order is obtained；According to the screen coding parameter, the corresponding first display screen of the screen coding parameter is determined；The operational order is performed in the loose-leaf storehouse for being directed toward the first display screen.By recognition screen coding parameter, determine to perform the display screen of the operational order, without showing that screens have an impact to others, thus, it solves in the prior art, the problem of android system can not individually control multiple screens.
Description
Technical field
The present invention relates to automation field more particularly to a kind of multi-screen control method based on android system and
Device.
Background technology
At present, most of high-end vehicle-mounted video and music entertainment system set electronic instrument panel, central control board and heel row amusement
Back of the body screen, wherein, electronic instrument panel display instrument data, central control board show the application journey that the common various auxiliary of driver drive
Sequence, heel row entertainment systems show the information such as audio-visual amusement, books magazine.These systems much all be using android system into
Row control, this just needs android system that can control at least one screen of access simultaneously.
In the prior art, android system can support Presentation (Chinese full name：Demonstration) technology, application
The technology can show different content simultaneously on multiple and different screens, but this kind of method can only support customization
The content of Presentation, the function that multiple screens is not supported independently to show.Alternatively, it can also pass through in the prior art
Android system and non-android system control more than two screens simultaneously, but this method implement it is excessively numerous
It is trivial.Therefore, both the above method can not achieve android system and control multiple independent display screens simultaneously.
Invention content
In view of this, the invention discloses a kind of multi-screen control method and device based on android system.It solves
In the prior art, the problem of android system controls multiple independent display screens simultaneously can not be realized.
A kind of multi-screen control method based on android system provided by the invention, including：
In response to the operational order received, the screen coding parameter in the operational order is obtained；
According to the screen coding parameter, the corresponding first display screen of the screen coding parameter is determined；
The operational order is performed in the loose-leaf storehouse for being directed toward the first display screen.
Optionally, it is described in the work for being directed toward the display screen when the operational order is starts the first application program
The operational order is performed in dynamic page storehouse, including：
It judges whether to be directed toward the described first loose-leaf storehouse for showing screen；
If there is the loose-leaf storehouse for being directed toward the first display screen, in the loose-leaf storehouse described in execution
Operational order；
If there is no the loose-leaf storehouse for being directed toward the first display screen, new loose-leaf storehouse is built, and will
The new loose-leaf storehouse created is directed toward the first display screen；
The operational order is performed in the new loose-leaf storehouse.
Optionally, it is also wrapped before performing the operational order in the loose-leaf storehouse for being directed toward the first display screen
It includes：
According to the corresponding focus of the described first display screen, determine to perform the focus window of the operational order.
Optionally, it further includes：
After second display screen is connected with external input equipment, the corresponding screen coding parameter of second display screen is determined
With the mapping relations of external equipment.
Optionally, it is described when the operational order is instructed for the first input that external input equipment is sent, the acquisition
Screen coding parameter in the operational order further includes：
The input equipment is obtained with showing the mapping relations of screen；
According to the mapping relations, the corresponding screen coding of external input equipment for sending the first input instruction is obtained
Parameter.
Optionally, when the operation of startup desktop programs that the operational order is triggered for arbitrary display screen, the work
Dynamic page storehouse is desktop storehouse；
The desktop storehouse, for performing the corresponding desktop operational order of desktop programs.
Optionally, the operational order is that the activation system grade user interface triggered by arbitrary display screen instructs.
Optionally, the operational order includes：Recovery operation, pending operation, the stopping triggered by arbitrarily showing screen
Operation or end operation.
Optionally, the operational order is to be operated by the second input that input method triggers.
The present invention also provides one kind based on android system multi-screen control device, described device includes：
Acquiring unit, in response to the operational order received, obtaining the screen coding parameter in the operational order；
First determination unit, for according to the screen coding parameter, determining the screen coding parameter corresponding first
Show screen；
Execution unit, for performing the operational order in the loose-leaf storehouse for being directed toward the display screen.
In the present embodiment, in response to the operational order received, the screen coding parameter in the operational order is obtained；According to
According to the screen coding parameter, the corresponding first display screen of the screen coding parameter is determined；It is being directed toward first display
The operational order is performed in the loose-leaf storehouse of screen.By recognition screen coding parameter, determine that performing the operation refers to
The display screen of order, without showing that screen has an impact to others, thus, it solves in the prior art, android system
The problem of multiple screens can not individually be controlled.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of colour display pattern provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram based on android system multi-screen control method provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram based on android system multi-screen control method provided in an embodiment of the present invention；
Fig. 4 is a kind of structure diagram based on android system multi-screen control device provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Inventor it has been investigated that, have the pattern that such two ways can support colour display in the prior art, such as
Shown in Fig. 1, control system can control multiple display screens simultaneously.Wherein mode one is：By changing to android system
Into, android system is allow to control multiple screens simultaneously, but the multiple screen include a main screen and it is multiple from
Belong to screen, the content of Presentation is only able to display in subordinate screen.Mode two is：If master station controls multiple screens,
Android system controls a screen, and other screens are controlled by other systems.Compare although mode one implements
Simply, but extension screen can only support customization Presentation content.Mode two, although control that can be independent
Different screens, but the complexity which implements background service is higher, technical difficulty and exploitation amount are all very big.Cause
This, both the above method can not achieve android system and control multiple independent display screens simultaneously.
In view of this, a kind of multi-screen control method based on android system, the method packet are present embodiments provided
It includes：After operational order is received, the screen coding parameter in the operational order is obtained；According to the screen coding parameter,
Determine the corresponding first display screen of the screen coding parameter；In the loose-leaf storehouse for being directed toward the first display screen
Perform the operational order.By recognition screen coding parameter, determine to perform the display screen of the operational order, without right
Others show that screen has an impact, thus, multiple screens can not individually be controlled by solving android system in the prior art
The problem of.
Illustrative methods
With reference to figure 1, show provided in an embodiment of the present invention a kind of based on android system multi-screen control method.
In the present embodiment, the method may include：
S101：In response to the operational order received, the screen coding parameter in the operational order is obtained.
In the present embodiment, the android system can control at least one display screen simultaneously, in the present embodiment will
Android system is expressed as control system.Wherein described operational order can be that wherein any one display screen is sent to institute
Control system is stated, inent and screen coding parameter (English full name are included in the operational order：Display ID), and
The screen coding parameter can determine it is which block to show that screen performs the operational order by.
In the present embodiment, it should be noted that in Android Framework (Chinese full name：Android system framework) in
It is added to a new Change_Display (English full name：Screens switch) permission.After being added to the permission, control system can
Instruction with the application program of identification is restricted, that is to say, that only applies for the permission and the application authorized by user
The operational order that program is sent out can just be come out by control system identification.
S102：According to the screen coding parameter, the corresponding first display screen of the screen coding parameter is determined.
S103：The operational order is performed in the loose-leaf storehouse for being directed toward the first display screen.
In the present embodiment, when control system receives an operational order and the display screen of the execution instruction is determined
Afterwards, if the display screen does not have activity stack (the Chinese full name for being directed toward the display screen also at this time：Loose-leaf heap
Stack), for example, when the display screen starts for the first time it is possible that such situation, then can not perform the operational order, this
When just need to build a new activity stack, and the new activity stack of structure are directed toward the display screen
Curtain.Therefore, when the operational order is starts the first application program, specific S103 can include：
S201：It judges whether to be directed toward the described first loose-leaf storehouse for showing screen.
S202：If there is the loose-leaf storehouse for being directed toward the first display screen, held in the loose-leaf storehouse
The row operational order.
S203：If there is no the loose-leaf storehouse for being directed toward the first display screen, new loose-leaf storehouse is built,
And the new loose-leaf storehouse of establishment is directed toward the first display screen.
S204：The operational order is performed in the new loose-leaf storehouse.
It is AMS (the English full name in control system for S201-S204 in the present embodiment：Activity Manager
Service, Chinese full name：Loose-leaf management module) perform.
In the present embodiment, introduced by front it is known that the control system can control at least one display screen
Curtain, when the multiple display screens of control system control, multiple display screens can be that only master control screen can be with display system table
Face or all display screens can display system desktop, in the present embodiment, only master control screen can be shown
Show that the mode of system desktop is expressed as single desktop, by all display screens can the mode of display system desktop represent
For more desktops.
In the present embodiment, it should be noted that the corresponding trigger action of the operational order can be touched by main screen
The operation of the first application program of startup of hair, wherein, the operation for starting the first application program can be expressed as opening arbitrary
The operation of one program.Also, in the present embodiment, when control system support be single desktop when, the startup first should
Can be triggered by main screen with the operation of program；When control system support be the pattern of more desktops when, the startup the
The operation of one application program can be by arbitrarily showing that screen triggers.
It illustrates：When control system control tri- display screens of A, B, C, if control system support is single desktop mould
Formula, the operation for starting the first application program can be the instructions that the music program that B is shown on screen is opened in main screen triggering, and
B shows that screen before this may not actuated excessively any program at this time；If control system control is more desktops, start
The operation of first application program can be arbitrary screen, and the operation for starting the first application program can be the opening B of B screens triggering
Music program instruction on screen.
In the present embodiment, the control system supports more desktops, it is understood that is that all display screens all may be used
To show desktop programs.Specifically, it can include：In response to the instruction of startup desktop programs received, the startup is obtained
Screen coding parameter in the instruction of desktop；According to the screen coding parameter, determine that perform the operational order first is aobvious
Display screen curtain；The instruction for starting desktop programs is performed in the activity stack for being directed toward the first display screen.
Further, in the present embodiment, the corresponding all activity of desktop programs can be arranged at home
Stack (Chineses：Desktop storehouse), each display screen corresponds to a home stack, that is to say, that any display
When screen operates desktop programs, screen, which will not have an impact, to be shown to others.When performing the instruction for starting desktop,
The instruction for opening desktop accordingly is performed in the home stack for being directed toward corresponding display screen.
It, can be with display of system level user on each display screen in the case where control system supports more desktops
Interface, wherein, the system level user interface can include：Status bar or navigation bar.
In the present embodiment, when control system only includes a focus (Chinese full name：Focus) when, screens all at this time
On run different programs, when main screen, which triggers, starts the operation of other programs in main screen, due to control system only
There are one focus, and other display screens can be had an impact at this time, may terminate the program being currently running in other screens.
In order to solve this problem, in the present embodiment, each display screen can correspond to a focus, to any display screen
When being operated, the operation all can be only performed on corresponding screen, without showing that screen has an impact to others.Specifically
, it is further included before S103：According to the corresponding focus of the described first display screen, determine to perform the focus window of the operational order
Mouthful.
In the present embodiment, when the operation that the triggering of arbitrary screen is hung up or terminated to the program of operation, it is also possible to
The program that can be currently running to other screens has an impact, and in order to solve this problem, in the present embodiment, triggers any operation
When, the program for performing the operation can be all specified, control system recognizes the display screen for performing the operation, and the screen is controlled to perform
The operation will not have an impact other display screens.
It illustrates：When the operational order that control system receives is to carry out Resume (Chinese full name to activity：It is extensive
Again), Pause (Chinese full name：Hang up), Stope (Chinese full name：Stop), Finish (English full name：Terminate) or Destory
(English full name：Destroy) when operations, only corresponding display screen can perform the operational order, and others show screen not
It can be affected.
In addition to this, when carrying out input operation by input method, i.e., described operational order is what is triggered by input method
Also can be only that corresponding display screen execution described second is input operation instruction in the present embodiment during the second input operation,
Screen, which will not generate any influence, to be shown to others.
In the present embodiment, when there is arbitrary display screen to be circumscribed with input equipment, which can be with showing screen
Screen coding parameter can generate an one-to-one relationship, specifically, further including：
After second display screen is connected with external input equipment, the corresponding screen coding parameter of second display screen is determined
With the mapping relations of external equipment.
In the present embodiment, it can be understood as, the interface that display screen is connected from external equipment is both provided with different volumes
Code, after connection upper external equipment, when being instructed by the first input of input equipment triggering, control system can be determined to send out
The first input instruction or the display screen for performing first operational order.When the operational order is set for external input
During the first input instruction that preparation is sent, the screen coding parameter obtained described in the S101 in the operational order further includes：
The input equipment is obtained with showing the mapping relations of screen；It is obtained according to the mapping relations and sends described first
Input the corresponding screen coding parameter of external input equipment of instruction.
It illustrates：When show screen be inserted into mouse after, be inserted into the display screen of mouse can go on the screen show mouse
Mark, and other display screens are unaffected.Or after screen insert key disk is shown, by the keyboard to be inserted into the key
The display screen input word of disk, the operation of the input word can be performed by being only inserted into the display screen of the keyboard, other
Display screen is unaffected.
In the present embodiment, after operational order is received, the screen coding parameter in the operational order is obtained；According to institute
Screen coding parameter is stated, determines to perform the first display screen of the operational order；In the work for being directed toward the first display screen
The operational order is performed in dynamic page storehouse.By recognition screen coding parameter, determine to perform the display of the operational order
Screen, without showing that screen has an impact to others, thus, it solves in the prior art, android system can not be independent
Control multiple screens the problem of.
Example devices
With reference to figure 4, thus it is shown that a kind of structure based on android system multi-screen control device of the embodiment of the present invention is shown
It is intended to.In the present embodiment, described device can include：
Acquiring unit 301, in response to the operational order received, obtaining the screen coding ginseng in the operational order
Number；
First determination unit 302, for according to the screen coding parameter, determining the screen coding parameter corresponding
One display screen；
Execution unit 303, for performing the operational order in the loose-leaf storehouse for being directed toward the display screen.
Optionally, when the operational order is starts the first application program, the execution unit includes：
Judgment sub-unit, for judging whether to be directed toward the loose-leaf storehouse of the first display screen；
First performs subelement, if for there is the loose-leaf storehouse for being directed toward the first display screen, in the work
The operational order is performed in dynamic page storehouse；
Subelement is built, if for there is no the loose-leaf storehouse for being directed toward the first display screen, builds new work
Dynamic page storehouse, and the new loose-leaf storehouse of establishment is directed toward the first display screen.
Second performs subelement, for performing the operational order in the new loose-leaf storehouse.
Optionally, it further includes：
Second determination unit, for according to the corresponding focus of the described first display screen, determining to perform the operational order
Focus window.
Optionally, it further includes：
Third determination unit for working as after second display screen is connected with external input equipment, determines second display screen
The mapping relations of corresponding screen coding parameter and external equipment.
Optionally, when the first input instruction that the operational order is sent for external input equipment, the acquiring unit
Including：
First obtains subelement, for the mapping relations for obtaining the input equipment with showing screen；
Second obtains subelement, for according to the mapping relations, obtaining and sending the external defeated of the first input instruction
Enter the corresponding screen coding parameter of equipment.
Optionally, when the operation of startup desktop programs that the operational order is triggered for arbitrary display screen, the work
Dynamic page storehouse is desktop storehouse；
The desktop storehouse, for performing the corresponding desktop operational order of desktop programs.
Optionally, the operational order is that the activation system grade user interface triggered by arbitrary display screen instructs.
Optionally, the operational order includes：Recovery operation, pending operation, the stopping triggered by arbitrarily showing screen
Operation, end operation destroy operation.
Optionally, the operational order is to be operated by the second input that input method triggers.
The device provided through this embodiment in response to the operational order received, obtains the screen in the operational order
Curtain coding parameter；According to the screen coding parameter, the corresponding first display screen of the screen coding parameter is determined；It is being directed toward
The operational order is performed in the loose-leaf storehouse of the first display screen.By recognition screen coding parameter, determine to hold
The display screen of the row operational order, without showing that screen has an impact to others, thus, solve the prior art
In, the problem of android system can not individually control multiple screens.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference from other examples, and just to refer each other for identical similar part between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (10)
1. one kind is based on android system multi-screen control method, which is characterized in that the method includes：
In response to the operational order received, the screen coding parameter in the operational order is obtained；
According to the screen coding parameter, the corresponding first display screen of the screen coding parameter is determined；
The operational order is performed in the loose-leaf storehouse for being directed toward the first display screen.
2. according to the method described in claim 1, it is characterized in that, when the operational order for start the first application program when,
It is described to perform the operational order in the loose-leaf storehouse for being directed toward the display screen, including：
It judges whether to be directed toward the described first loose-leaf storehouse for showing screen；
If there is the loose-leaf storehouse for being directed toward the first display screen, the operation is performed in the loose-leaf storehouse
Instruction；
If there is no the loose-leaf storehouse for being directed toward the first display screen, new loose-leaf storehouse is built, and will create
The new loose-leaf storehouse be directed toward the first display screen；
The operational order is performed in the new loose-leaf storehouse.
3. according to the method described in claim 1, it is characterized in that, in the loose-leaf storehouse for being directed toward the first display screen
It is further included before the middle execution operational order：
According to the corresponding focus of the described first display screen, determine to perform the focus window of the operational order.
4. it according to the method described in claim 1, it is characterized in that, further includes：
After second display screen is connected with external input equipment, determine the corresponding screen coding parameter of second display screen with it is outer
Connect the mapping relations of equipment.
5. according to the method described in claim 4, it is characterized in that, when the operational order sent for external input equipment the
During one input instruction, the screen coding parameter obtained in the operational order includes：
The input equipment is obtained with showing the mapping relations of screen；
According to the mapping relations, the corresponding screen coding ginseng of external input equipment for sending the first input instruction is obtained
Number.
6. according to the method described in claim 1, it is characterized in that, when the operational order being opened for what arbitrary display screen triggered
During the operation of dynamic desktop programs, the loose-leaf storehouse is desktop storehouse；
The desktop storehouse, for performing the corresponding desktop operational order of desktop programs.
7. according to the method described in claim 6, it is characterized in that, the operational order is to be triggered by arbitrary display screen
Activation system grade user interface instructs.
8. according to the method described in claim 3, it is characterized in that, the operational order includes：By arbitrarily showing that screen touches
The recovery operation of hair, pending operation, stop operation, end operation or destroy operation.
9. according to the method described in claim 3, it is characterized in that, the operational order be triggered by input method it is second defeated
Enter operation.
10. one kind is based on android system multi-screen control device, which is characterized in that described device includes：
Acquiring unit, in response to the operational order received, obtaining the screen coding parameter in the operational order；
First determination unit, for according to the screen coding parameter, determining corresponding first display of the screen coding parameter
Screen；
Execution unit, for performing the operational order in the loose-leaf storehouse for being directed toward the display screen.
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| CN201611169831.7A CN108205427A (en) | 2016-12-16 | 2016-12-16 | A kind of multi-screen control method and device based on android system |
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| CN201611169831.7A CN108205427A (en) | 2016-12-16 | 2016-12-16 | A kind of multi-screen control method and device based on android system |
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| CN111538574A (en) * | 2020-03-27 | 2020-08-14 | 北京达佳互联信息技术有限公司 | Task stack management method, device, terminal and storage medium |
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