CN107943442A - A kind of method and apparatus for realizing shuangping san - Google Patents
A kind of method and apparatus for realizing shuangping san Download PDFInfo
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- CN107943442A CN107943442A CN201711194958.9A CN201711194958A CN107943442A CN 107943442 A CN107943442 A CN 107943442A CN 201711194958 A CN201711194958 A CN 201711194958A CN 107943442 A CN107943442 A CN 107943442A
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- display
- sdk
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- display screen
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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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- 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
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Application provides a kind of scheme for realizing shuangping san, in the program when two display screens load, screen message of the registration on the display screen in display management service, according to the screen message, the corresponding display caching of carry is distinguished to two display screens, then SDK is called to be shown the view data in the display caching in corresponding display screen respectively, the intelligent terminal of android system is enabled to realize shuangping san, the content shown in two display screens is based on the view data in display storage, its content can be interrelated, can also independently it use, good support is provided for the extension of application scenarios.
Description
Technical field
This application involves to electronic technology field, more particularly to a kind of method and apparatus for realizing shuangping san.
Background technology
As electronic technology continues to develop and ripe, in the communication equipment become increasingly popular, particularly intelligent terminal (such as
Tablet computer, smart mobile phone) in software function application it is increasingly abundanter, the individual demand of user is more and more.These intelligence
The display screen that terminal is carried cannot meet the needs of user's operation, more and more general for the demand of double-display screen
Time.At present, android system has become one of most important operating system of intelligent terminal, and android system is difficult to accomplish pair
The support of double-display screen, therefore the intelligent terminal of conventional android system directly can only support single screen to show.
Apply for content
The purpose of the application is to provide a kind of method and apparatus for realizing shuangping san.
To achieve the above object, this application provides a kind of method for realizing shuangping san, this method to include:
When two display screens load, screen message of the registration on the display screen in display management service;
According to the screen message, the corresponding display caching of carry is distinguished to two display screens;
SDK is called to be shown the view data in the display caching in corresponding display screen respectively.
Further, the SDK is run in system service;
SDK is called to be shown the view data in the display caching in corresponding display screen respectively, including:
SDK is called to customize display content according to the view data in the display caching on application program, and by described in
Display content shown in corresponding display screen respectively, wherein, when the corresponding application program of the display content is in non-
During active state, the display content is still shown in corresponding display screen.
Further, the SDK is run in the context of application program;
SDK is called to be shown the view data in the display caching in corresponding display screen respectively, including:
When the corresponding application program of the display content is active, SDK is called according in the display caching
View data on application program customizes display content, and the display content is shown in corresponding display screen respectively
Show.
Further, the SDK is the Presentation SDK in andriod systems.
Further, one of display screen is EDP display screens;
SDK is called to be customized according to the view data in the corresponding display caching of EDP display screens on application program in display
Described image data are carried out gray processing processing, generate the display content of gray processing by Rong Shi.
Another aspect based on the application, additionally provides a kind of equipment for realizing shuangping san, the equipment include processor,
Memory and two display screens, the display screen are used to show image, and the memory is used for the picture number for storing display caching
According to the processor is used for when two display screens load, screen of the registration on the display screen in display management service
Two display screens according to the screen message, are distinguished the corresponding display caching of carry, and call SDK by institute by information
The view data in display caching is stated to be shown in corresponding display screen respectively.
Further, the SDK is run in system service;
The processor is used to call SDK to customize display according to the view data in the display caching on application program
Content, and the display content is shown in corresponding display screen respectively, wherein, answered when the display content is corresponding
When being in inactive state with program, the display content is still shown in corresponding display screen.
Further, the SDK is run in the context of application program;
The processor be used for when the corresponding application program of the display content is active, call SDK according to
View data in the display caching on application program customizes display content, and by the display content respectively corresponding
Shown in display screen.
Further, the SDK is the Presentation SDK in andriod systems.
Further, one of display screen is EDP display screens;
The processor is calling SDK according to the picture number in the corresponding display caching of EDP display screens on application program
During according to customization display content, gray processing processing is carried out to described image data, generates the display content of gray processing.
Compared with prior art, this application provides a kind of scheme for realizing shuangping san, when two displays in the program
During screen loading, screen message of the registration on the display screen in display management service, according to the screen message, to two
The display screen distinguishes the corresponding display caching of carry, then calls SDK that the view data in the display caching exists respectively
Shown in corresponding display screen so that the intelligent terminal of android system can realize shuangping san, two displays
For the content shown in screen based on the view data in display storage, its content can be interrelated, can also be independently operated, to answer
Good support is provided with the extension of scene.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of process chart for the method for realizing shuangping san provided by the embodiments of the present application
Fig. 2 is the schematic diagram of two display screens in a kind of equipment provided by the embodiments of the present application;
Fig. 3 is a kind of schematic diagram for the equipment for realizing shuangping san provided by the embodiments of the present application;
The same or similar reference numeral represents the same or similar component in attached drawing.
Embodiment
The application is described in further detail below in conjunction with the accompanying drawings.
In one typical configuration of the application, terminal, the equipment of service network include one or more processors
(CPU), input/output interface, network interface and memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flashRAM).Memory is showing for computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media, can be by any side
Method or technology realize that information stores.Information can be computer-readable instruction, data structure, the module of program or other numbers
According to.The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM
(SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only storage
(ROM), electrically erasable programmable read-only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc (CD-
ROM), digital versatile disc (DVD) or other optical storages, magnetic cassette tape, magnetic disk storage or other magnetic storages
Equipment or any other non-transmission medium, the information that can be accessed by a computing device available for storage.
The embodiment of the present application provides a kind of method of shuangping san, and this method is applied to setting comprising two display screens
Standby, Fig. 1 shows the process chart of this method, including following processing step:
Step S101, when two display screens load, in display management (DisplayManager) service registration on
The screen message of the display screen.Two interfaces between display screen and equipment can use HDMI (High
Definition Multimedia Interface, high-definition multimedia interface) or MIPI (Mobile
Industry Processor Interface, mobile industry processor interface).Display screen can be according to the selection of actual scene
Certain types of screen, such as can be LCD (Liquid Crystal Display, liquid crystal display) display screen, EDP (electrophoresis
Display Technique) display screen or OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display screen etc..
Fig. 2 shows in a kind of equipment provided by the embodiments of the present application that the schematic diagram of two display screens, one of display screen is LCD
Display screen, another display screen are EDP display screens, and both of which is communicated by MIPI interfaces.
Two display screens according to the screen message, are distinguished the corresponding display caching of carry by step S102
(framebuffer), such as display screen a and display screen b, two display cachings a and b can be set, then delay display
A carries are deposited to display screen a, and display caching b then carry to display screen b.
Step S103, calls SDK (Software Development Kit, Software Development Kit) that the display is slow
The view data deposited is shown in corresponding display screen respectively.For example, for display screen a, SDK can be by display caching a
The view data of middle storage is shown wherein.
In a kind of embodiment of the application, used SDK can be operate in the context of application program (APP)
SDK, such SDK couples with application program depth, when needing to show the image of application program, if application program is not at living
During dynamic state, then the image on the application program can not be shown on a display screen.Thus, in step s 103, only when described
When the corresponding application program of display content is active, call SDK according in the display caching on application program
View data customizes display content, and the display content is shown in corresponding display screen respectively.
For such a display mode, the Presentation SDK in Android system can be used in actual scene,
The SDK can complete the display of display screen with reference to the activity of Android system.Since android systems can be make use of
The correlation of system has resource, the advantage is that aboundresources, can show any image substantially, and for Android system
Scalability it is strong, therefore can use this scheme in the scene that is coupled with application program depth is needed.
Since in actual scene, the operation of default system can not possibly be unified application program every time, then cut
When changing application program, corresponding to just had on the display screen of the application program one it is of short duration be the time there is no image display,
Cause user experience not good enough.Thus, in another embodiment of the application, the SDK of calling can be operate in system clothes
SDK in business, such a SDK are not coupled with application program depth, therefore apply journey with corresponding when its control display screen is shown
It is unrelated whether sequence is active.
Thus, in step s 103, SDK is called to be customized according to the view data in the display caching on application program
Display content, and the display content is shown in corresponding display screen respectively, wherein, when the display content corresponds to
Application program when being in inactive state, the display content is still shown in corresponding display screen.In this way, nothing
How to switch by application program, SDK can safeguard content and the region of display on corresponding display screen, improve the body of user
Test.
In the embodiment of the present application, if one of display screen is EDP display screens, since EDP can not generally show cromogram
Picture, therefore SDK is being called according in the view data customization display in the corresponding display caching of EDP display screens on application program
Described image data can be carried out gray processing processing, generate the display content of gray processing, then shown to adapt to by Rong Shi
The characteristic of EDP display screens.
Based on same inventive concept, the equipment for realizing shuangping san, the equipment pair are additionally provided in the embodiment of the present application
The method answered is the method in previous embodiment, and its principle solved the problems, such as is similar to this method.
Fig. 3 shows a kind of structure of equipment for realizing shuangping san provided by the embodiments of the present application, which includes
Processor 310, memory 320 and two display screens 330.The display screen is used to show image, and the memory is used to store
The view data of display caching.The processor is used for when two display screens load, in display management service registration on
The screen message of the display screen.
Two interfaces between display screen and equipment can use HDMI (High Definition
Multimedia Interface, high-definition multimedia interface) or MIPI (Mobile Industry
Processor Interface, mobile industry processor interface).Display screen can be according to the selection particular type of actual scene
Screen, such as can be LCD (Liquid Crystal Display, liquid crystal display) display screen, EDP (electrophoretic display technology)
Display screen or OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display screen etc..Fig. 2 is shown
In a kind of equipment provided by the embodiments of the present application, the schematic diagram of two display screens, one of display screen is LCD display, separately
One display screen is EDP display screens, and both of which is communicated by MIPI interfaces.
Processor is additionally operable to according to the screen message, distinguishes the corresponding display caching of carry to two display screens.
Such as display screen a and display screen b, two display cachings a and b can be set, then by display caching a carries to display screen
A, and display caching b then carry to display screen b.
Also, processor can also call SDK by the view data in the display caching respectively in corresponding display screen
Shown.For example, the view data stored in display caching a can be shown wherein for display screen a, SDK.
In a kind of embodiment of the application, used SDK can be operate in the context of application program (APP)
SDK, such SDK couples with application program depth, when needing to show the image of application program, if application program is not at living
During dynamic state, then the image on the application program can not be shown on a display screen.Thus, processor can be only in the display
When holding corresponding application program and being active, SDK is called according to the picture number in the display caching on application program
According to customization display content, and the display content is shown in corresponding display screen respectively.
For such a display mode, the Presentation SDK in Android system can be used in actual scene,
The SDK can complete the display of display screen with reference to the activity of Android system.Since android systems can be make use of
The correlation of system has resource, the advantage is that aboundresources, can show any image substantially, and for Android system
Scalability it is strong, therefore can use this scheme in the scene that is coupled with application program depth is needed.
Since in actual scene, the operation of default system can not possibly be unified application program every time, then cut
When changing application program, corresponding to just had on the display screen of the application program one it is of short duration be the time there is no image display,
Cause user experience not good enough.Thus, in another embodiment of the application, the SDK of calling can be operate in system clothes
SDK in business, such a SDK are not coupled with application program depth, therefore apply journey with corresponding when its control display screen is shown
It is unrelated whether sequence is active.
Thus, processor can call SDK to customize display according to the view data in the display caching on application program
Content, and the display content is shown in corresponding display screen respectively, wherein, answered when the display content is corresponding
When being in inactive state with program, the display content is still shown in corresponding display screen.In this way, no matter should
How to be switched with program, SDK can safeguard content and the region of display on corresponding display screen, improve the experience of user.
In the embodiment of the present application, if one of display screen is EDP display screens, since EDP can not generally show cromogram
Picture, therefore processor is calling SDK to be customized according to the view data in the corresponding display caching of EDP display screens on application program
During display content, gray processing processing can be carried out to described image data, generate the display content of gray processing, then shown
To adapt to the characteristic of EDP display screens.
In conclusion this application provides a kind of scheme for realizing shuangping san, when two display screens load in the program
When, screen message of the registration on the display screen in display management service is described to two aobvious according to the screen message
The corresponding display caching of display screen difference carry, then calls SDK by the view data in the display caching respectively corresponding
Shown in display screen so that the intelligent terminal of android system can realize shuangping san, be shown in two display screens
For the content shown based on the view data in display storage, its content can be interrelated, can also be independently operated, as application scenarios
Extension provide good support.
It should be noted that the application can be carried out in the assembly of software and/or software and hardware, for example, can adopt
With application-specific integrated circuit (ASIC), general purpose computer or any other realized similar to hardware device.In one embodiment
In, the software program of the application can be performed by processor to realize above step or function.Similarly, the software of the application
Program (including relevant data structure) can be stored in computer readable recording medium storing program for performing, for example, RAM memory, magnetic or
CD-ROM driver or floppy disc and similar devices.In addition, some steps or function of the application can employ hardware to realize, for example,
As coordinating with processor so as to performing the circuit of each step or function.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and scope of the present application is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the application.Any reference numeral in claim should not be considered as to the involved claim of limitation.This
Outside, it is clear that one word of " comprising " is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table
Show title, and be not offered as any specific order.
Claims (10)
1. a kind of method for realizing shuangping san, wherein, this method includes:
When two display screens load, screen message of the registration on the display screen in display management service;
According to the screen message, the corresponding display caching of carry is distinguished to two display screens;
SDK is called to be shown the view data in the display caching in corresponding display screen respectively.
2. according to the method described in claim 1, it is characterized in that, the SDK is run in system service;
SDK is called to be shown the view data in the display caching in corresponding display screen respectively, including:
SDK is called to customize display content according to the view data in the display caching on application program, and by the display
Content shown in corresponding display screen respectively, wherein, when the corresponding application program of the display content is in inactive
During state, the display content is still shown in corresponding display screen.
3. according to the method described in claim 1, it is characterized in that, the SDK is run in the context of application program;
SDK is called to be shown the view data in the display caching in corresponding display screen respectively, including:
When the corresponding application program of the display content is active, call SDK according in the display caching on
The view data customization display content of application program, and the display content is shown in corresponding display screen respectively.
4. according to the method described in claim 3, it is characterized in that, the SDK is the Presentation in andriod systems
SDK。
5. method according to any one of claim 2 to 4, it is characterised in that one of display screen shows for EDP
Screen;
When calling SDK customizes display content according to the view data in the corresponding display caching of EDP display screens on application program,
Gray processing processing is carried out to described image data, generates the display content of gray processing.
6. a kind of equipment for realizing shuangping san, wherein, which includes processor, memory and two display screens, described aobvious
Display screen is used to show image, and the memory is used for the view data for storing display caching, and the processor is used for aobvious at two
When display screen loads, screen message of the registration on the display screen in display management service, according to the screen message, to two
A display screen distinguishes the corresponding display caching of carry, and calls SDK to distinguish the view data in the display caching
Shown in corresponding display screen.
7. equipment according to claim 6, it is characterised in that the SDK is run in system service;
The processor is used to call SDK to be customized in display according to the view data in the display caching on application program
Hold, and the display content is shown in corresponding display screen respectively, wherein, when the corresponding application of the display content
When program is in inactive state, the display content is still shown in corresponding display screen.
8. equipment according to claim 6, it is characterised in that the SDK is run in the context of application program;
The processor is used for when the corresponding application program of the display content is active, and calls SDK according to
View data in display caching on application program customizes display content, and by the display content respectively in corresponding display
Shown in screen.
9. equipment according to claim 8, it is characterised in that the SDK is the Presentation in andriod systems
SDK。
10. the equipment according to any one of claim 7 to 9, it is characterised in that one of display screen shows for EDP
Screen;
The processor is determined in calling SDK according to the view data in the corresponding display caching of EDP display screens on application program
During display content processed, gray processing processing is carried out to described image data, generates the display content of gray processing.
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