CN106293584A - A kind of double-screen display method and terminal - Google Patents
A kind of double-screen display method and terminal Download PDFInfo
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- CN106293584A CN106293584A CN201610639523.XA CN201610639523A CN106293584A CN 106293584 A CN106293584 A CN 106293584A CN 201610639523 A CN201610639523 A CN 201610639523A CN 106293584 A CN106293584 A CN 106293584A
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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 embodiment of the invention discloses a kind of double-screen display method and terminal, wherein, described method includes: if the enabled instruction of the first application being detected, determines the first display information of described first application according to the mark of described first application；Wherein, described first display information is shown in the first display screen for the content identifying described first application corresponding or is shown in second display screen；The second display information of the content of described first application correspondence is determined according to described first display information；Wherein, described second display information includes viewing area corresponding to described content and display position；The content that described first application is corresponding is rendered；The content after rendering is shown according to described second display information.Embodiment of the present invention terminal can show different contents by double screen simultaneously；Double screen all can realize window management, activity management.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of double-screen display method and terminal.
Background technology
Major part terminal (mobile phone, panel computer etc.) only supports that single screen shows, it is impossible in terminal, external connection display equipment is entered
Row shuangping san.
Although the most also there being some terminals to support the terminal of shuangping san, but, existing shuangping san realizes
Mode is more complicated, and the content that two display screens show is a same copy of main screen (secondary screen be the equal of), and secondary shields
Only support multimedia (such as, the video/audio) content that file is corresponding.Terminal cannot realize by two display screen display differences
Content.
Summary of the invention
The embodiment of the present invention provides a kind of double-screen display method and terminal, it is possible to by double screen show simultaneously different in
Hold, and double screen all can realize window management.
First aspect, embodiments provides a kind of double-screen display method, and the method includes:
If the enabled instruction of the first application being detected, determine the of described first application according to the mark of described first application
One display information；Wherein, described first display information is shown in the first display for the content identifying described first application corresponding
Shield or be shown in second display screen；
The second display information of the content of described first application correspondence is determined according to described first display information；Wherein, institute
Second display information of stating includes viewing area corresponding to content corresponding to described first application, described content and display position；
Render according to described second display information；
The content after rendering is shown according to described second display information.
On the other hand, embodiments providing a kind of terminal, this terminal includes:
First determines unit, if for the enabled instruction the first application being detected, the mark according to described first application is true
First display information of fixed described first application；Wherein, described first display information is for identifying described first application correspondence
Content is shown in the first display screen or is shown in second display screen；
Second determines unit, for determining the second of the content of described first application correspondence according to described first display information
Display information；Wherein, described second display information includes the viewing area that the content of described first application correspondence, described content are corresponding
Territory and display position；
Rendering unit, for rendering according to described second display information；
Display unit, for showing the content after rendering according to described second display information.
If the embodiment of the present invention is by the enabled instruction of the first application being detected, determine according to the mark of described first application
First display information of described first application；The of content corresponding to described first application is determined according to described first display information
Two display information；The content that described first application is corresponding is rendered；Show according to described second display information after rendering
Content, it is possible to simultaneously shown different contents by double screen, owing to the second display information includes showing corresponding the showing of the first application
Showing viewing area and the display position of content, display position includes the stack manner of at least two display window, so that double screen
All can realize window management, activity management.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be some embodiments of the present invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is the schematic flow diagram of a kind of double-screen display method that the embodiment of the present invention provides；
Fig. 2 is the schematic flow diagram of a kind of double-screen display method that another embodiment of the present invention provides；
Fig. 3 is the frame diagram of embodiment of the present invention Double-Screen Display System；
Fig. 4 is the schematic block diagram of a kind of terminal that the embodiment of the present invention provides；
Fig. 5 is a kind of terminal schematic block diagram that another embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Should be appreciated that when using in this specification and in the appended claims, term " includes " and " comprising " instruction
Described feature, entirety, step, operation, element and/or the existence of assembly, but it is not precluded from one or more further feature, whole
Body, step, operation, element, assembly and/or the existence of its set or interpolation.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Hereafter clearly indicating other situation, otherwise " ", " " and " being somebody's turn to do " of singulative is intended to include plural form.
It will be further appreciated that, the term "and/or" used in description of the invention and appended claims is
Refer to the one or more any combination being associated in the item listed and likely combine, and including that these combine.
As used in this specification and in the appended claims, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determining " or " in response to detecting ".Similarly, phrase " if it is determined that " or
" if be detected that [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to really
Fixed " or " [described condition or event] once being detected " or " in response to [described condition or event] being detected ".
In implementing, the terminal described in the embodiment of the present invention includes but not limited to such as have touch sensitive surface
Mobile phone, laptop computer or the tablet PC of (such as, touch-screen display and/or touch pad) etc other just
Portable device.It is to be further understood that in certain embodiments, described equipment not portable communication device, but have tactile
Touch the desk computer of sensing surface (such as, touch-screen display and/or touch pad).
In discussion below, describe the terminal including display and touch sensitive surface.It is, however, to be understood that
It is that terminal can include such as physical keyboard, mouse and/or control other physical user-interface device one or more of bar.
Terminal supports various application programs, such as following in one or more: drawing application program, demonstration application journey
Sequence, word-processing application, website create application program, dish imprinting application program, spreadsheet applications, game application
Program, telephony application, videoconference application, email application, instant messaging applications, exercise
Support the application of application program, photo management application program, digital camera application program, digital camera application program, web-browsing
Program, digital music player application and/or video frequency player application program.
The various application programs that can perform in terminal can use at least one of such as touch sensitive surface public
Physical user-interface device.Among applications and/or can adjust in corresponding application programs and/or change and touch sensitive table
The corresponding information of display in one or more functions in face and terminal.So, the public physical structure of terminal (such as, touches
Sensing surface) the various application programs with the most directly perceived and transparent user interface can be supported.
Refer to the schematic flow diagram that Fig. 1, Fig. 1 are a kind of double-screen display method that the embodiment of the present invention provides.This enforcement
In example, the executive agent of double-screen display method is terminal, and terminal has two display screens the most independent.Terminal can be
The mobile terminal such as mobile phone, panel computer.The operating system of terminal can be Android system Android, but is not limited to this, also may be used
To be other operating systems, do not limit.Double-screen display method as shown in Figure 1 can comprise the following steps that
According to the mark of described first application, S101: if the enabled instruction of the first application being detected, determines that described first should
First display information；Wherein, described first display information is shown in for identifying content corresponding to described first application
One display screen or be shown in second display screen.
Terminal pre-sets the first framebuffer device that the first display screen is corresponding, and second display screen corresponding second
Framebuffer device, and be the first framebuffer device and the second framebuffer device each self-corresponding relevant parameter of configuration.First
Display screen be terminal when dispatching from the factory the display screen of configuration, second display screen be external display screen.Second display screen by interface with
Terminal connects, here, do not limit connecting the second display screen interface with terminal.It is understood that in other embodiments
In, the first display screen can also be the externally connected with display screen of terminal, and second display screen can be terminal display screen of configuration when dispatching from the factory,
Do not limit.
Relevant parameter includes the parameter of hardware abstraction layer (Hardware Abstraction Layer, HAL) and with
The parameter that the display content of one application correspondence is correlated with.Such as, for managing the phase of the window of content corresponding to display the first application
Related parameter etc..Wherein, hardware abstraction layer interface layer between operating system nucleus and hardware circuit, it is therefore an objective to hardware is taken out
As changing.
Terminal, when energising normally works or completes starting up, loads the second framebuffer device that second display screen is corresponding
Drive.Wherein, when terminal starts, the first framebuffer device that acquiescence loads the first display screen corresponding automatically drives.
When user needs the first application starting main interface display in display screen, click on the first application icon and send to terminal
The enabled instruction that first application is corresponding, first application corresponding to start this first application icon.
Terminal, when the enabled instruction of the first application being detected, obtains the mark of the first application, according to the mark of the first application
Know the first display information determining the first application.
Wherein, the mark of the first application can be the display Name that the first application is corresponding, but is not limited to this, it is also possible to adopt
Use other identification methods, do not limit.First display information is shown in first for the content that mark the first application is corresponding
Display screen or be shown in second display screen.
Wherein, pre-building and store the corresponding relation of display screen and application in terminal, this corresponding relation is used for identifying
Application is shown in the first display screen or second display screen.
It is understood that terminal can set up, by the mark of the mark of display screen with application, the corresponding relation preset；
Can also be preset with the mark foundation of application by the mark of display screen and the mark at main interface (desktop), the mark at main interface
(content of the application correspondence that the such as first main interface comprises is shown in the first display screen to corresponding relation, and the second main interface comprises
The content of application correspondence is shown in second display screen), but it is not limited to this, it is also possible to set up display screen by other means and answer
Default corresponding relation, such as, by the mark of display screen and the mark of viewing area, mark and the application of viewing area
Mark, sets up the default corresponding relation of display screen and application, does not limits.
S102: determine the second display information of the content of described first application correspondence according to described first display information；Its
In, described second display information includes viewing area corresponding to content corresponding to described first application, described content and display
Position.
Terminal, when determining the first display information, determines the second of content corresponding to the first application according to the first display information
Display information.
Wherein, the content that the first application is corresponding is to start the content shown by the first application.The content that first application is corresponding
One or more the combination in any therein such as webpage, image, icon, document can be included.Second display information includes first
Viewing area corresponding to the content of application correspondence, this content and display position.Viewing area includes showing that the first application is right
The display window size of the display content answered, display position is used for the display position of display window corresponding to mark the first application,
And display mode.
Viewing area and display position can be planned according to the size of the first display screen or second display screen, the most not
Limit.
Viewing area and display position are for managing the ways of presentation of current active window and the page/window of activity
The life cycle of mouth.The life cycle of the movable page/window be open the page/window moment, close the page/window time
Carve the corresponding time period.
Such as, show, by the first display window, the content that the needs of the first application correspondence show in the first viewing area,
Show, by the second display window, the content that the needs of the second application correspondence show in the second viewing area.Terminal is confirming first
When viewing area shows other guide by other display windows, terminal also determine that display window corresponding to the first application and its
Display window corresponding to his stack manner of display window, the first application, the color of other display windows, transparency etc..
S103: render according to described second display information.
Terminal get the first application corresponding need display content time, first comprised according to the second display information
The viewing area of the content that application is corresponding and display position, need to show that content renders place to the first application correspondence
Reason.
S104: show the content after rendering according to described second display information.
Viewing area that terminal comprises according to the second display information and display position, display corresponding the rendering of the first application
After content.
It is understood that in the present embodiment, terminal includes two display screens, and in other embodiments, terminal is all right
Including 3 or more multi-display, the display mode of three screens or multi-screen is similar with the display mode of double screen, specifically see double screen and shows
That shows is relevant, does not repeats.
Such scheme, if terminal detects the enabled instruction of the first application, determines institute according to the mark of described first application
State the first display information of the first application；Determine that described first applies the second of corresponding content according to described first display information
Display information；The content that described first application is corresponding is rendered；In showing according to described second display information after rendering
Hold, it is possible to shown different contents by double screen, owing to the second display information includes showing the display that the first application is corresponding simultaneously
The viewing area of content and display position, display position includes the stack manner of at least two display window, so that double screen is equal
Window management, activity management can be realized.
Refer to the schematic flow diagram that Fig. 2, Fig. 2 are a kind of double-screen display method that another embodiment of the present invention provides.This
In embodiment, the executive agent of double-screen display method is that terminal has two display screens the most independent.Terminal can be hands
The mobile terminal such as machine, panel computer.Double-screen display method as shown in Figure 2 can comprise the following steps that
According to the mark of described first application, S201: if the enabled instruction of the first application being detected, determines that described first should
First display information；Wherein, described first display information is shown in for identifying content corresponding to described first application
One display screen or be shown in second display screen.
See also the frame diagram that Fig. 3, Fig. 3 are embodiment of the present invention Double-Screen Display System.This example is grasped with Android
Illustrating as a example by making system, in other embodiments, the operating system of terminal can also be other operating systems.
As it is shown on figure 3, terminal is provided with, at bottom, the first framebuffer device FB0 that the first display screen is corresponding in advance, and
The second framebuffer device FB1 that second display screen is corresponding, and be the first framebuffer device FB0 and the second framebuffer device
FB1 configures each self-corresponding relevant parameter.
First display screen be terminal when dispatching from the factory the display screen of configuration, second display screen be external display screen.Second display
Screen is connected with terminal by interface, here, do not limit connecting the second display screen interface with terminal.It is understood that
In other embodiments, the first display screen can also be the externally connected with display screen of terminal, and second display screen can be that terminal is when dispatching from the factory
The display screen of configuration, does not limits.
First framebuffer device FB0 and the second framebuffer device FB1 configures each self-corresponding relevant parameter and includes: first
Framebuffer device FB0 and each self-corresponding driver of the first framebuffer device FB0；In campaign management services
(ActivityManagerService, AMS) is the first framebuffer device FB0 adds storehouse Display0Activity
Stack, and be that the second framebuffer device FB1 adds storehouse Display1Activity Stack；In window management service
(WindowManagerService, WMS) generates the first storehouse DisplayContent0 corresponding for framebuffer device FB0
TaskStack, and generate the second storehouse DisplayContent1 TaskStack corresponding for framebuffer device FB1, with can
Realize the first display screen and second display screen carry out window and movable management；At hardware abstraction layer (Hardware
Abstraction Layer, HAL) configure the first framebuffer device FB0, second framebuffer device FB1 each self-corresponding HAL ginseng
Number, including Gralloc, Overlay and OpenGLES etc..Hardware abstraction layer is between operating system nucleus and hardware circuit
Interface layer, it is therefore an objective to by hardware abstraction.HAL parameter mainly includes the rendering parameter of display screen.
Wherein, window is the display window that content to be displayed is corresponding, and the management of window is management display window size, position
Deng；Activity refers to current active window/page or the window/page shown, activity management refers to management activity window/page
The life cycle in face, can respond user and close the instruction of window/page.The life cycle of the movable page/window is for opening page
Moment of face/window, close time period corresponding to the moment of the page/window.
The first framebuffer device FB0 that terminal is corresponding owing to being provided with the first display screen, and second display screen is corresponding
Second framebuffer device FB1, hardware abstraction layer (Hardware Abstraction Layer, HAL) be configured with the first frame delay
Rush equipment FB0, the second each self-corresponding HAL parameter of framebuffer device FB1 so that display Composite service (Surfaceflinger,
SF) can recognize that the first display screen and second display screen.
Terminal, when energising normally works or completes starting up, loads the second framebuffer device that second display screen is corresponding
The driving of FB1, notice display Composite service SF terminal has second display screen.Wherein, when terminal starts, acquiescence automatically loads the
The driving of the first framebuffer device FB0 that one display screen is corresponding.
When user needs the first application starting main interface display in display screen, click on the first application icon and send to terminal
The enabled instruction that first application is corresponding, first application corresponding to start this first application icon.
Terminal, when the enabled instruction of the first application being detected, obtains the mark of the first application, according to the mark of the first application
Know the first display information determining the first application.
Wherein, the mark of the first application can be the display Name that the first application is corresponding, but is not limited to this, it is also possible to adopt
Use other identification methods, do not limit.First display information is shown in first for the content that mark the first application is corresponding
Display screen or be shown in second display screen.
Wherein, pre-building and store the corresponding relation of display screen and application in terminal, this corresponding relation is used for identifying
Application is shown in the first display screen or second display screen.
It is understood that terminal can set up, by the mark of the mark of display screen with application, the corresponding relation preset；
Can also be preset with the mark foundation of application by the mark of display screen and the mark at main interface (desktop), the mark at main interface
(content of the application correspondence that the such as first main interface comprises is shown in the first display screen to corresponding relation, and the second main interface comprises
The content of application correspondence is shown in second display screen), but it is not limited to this, it is also possible to set up display screen by other means and answer
Default corresponding relation, such as, by the mark of display screen and the mark of viewing area, mark and the application of viewing area
Mark, sets up the default corresponding relation of display screen and application, does not limits.
S202: according to the first stack information that described first display information creating campaign management services is corresponding.
Terminal determine the first application corresponding first display information time, according to first display information creating activity management clothes
The first stack information that business is corresponding.
As it is shown on figure 3, terminal is when determining that content corresponding to the first application is shown in the first display screen, take at activity management
Business AMS creates the stack information Display0Activity Stack that the first framebuffer device of the first display screen is corresponding.Eventually
Hold when determining that content corresponding to the first application is shown in second display screen, campaign management services AMS creates the second display
The stack information Display1Activity Stack corresponding to the second framebuffer device of screen.
S203: generate the second stack information that window management service is corresponding according to described first stack information；Wherein, described
Second stack information is for identifying the second display information of content corresponding to described first application, and described second display information includes
Viewing area that content corresponding to described first application, described content are corresponding and display position.
Terminal generates the second stack information corresponding to window management service WMS according to the first stack information.
Wherein, the second stack information is for the second display information of the content of mark the first application correspondence, the second display letter
Breath includes viewing area corresponding to content corresponding to content corresponding to the first application, the first application and display position.First should
It it is the content starting the first required display of application by corresponding content.The content of the first application correspondence can include webpage, figure
One or more the combination in any therein such as picture, icon, document.
Viewing area includes showing the display window size of display content corresponding to the first application, and display position is used for identifying
The position of the display window that the first application is corresponding, and display mode.Viewing area and display position can be according to the first display screens
Or the size of second display screen plans, do not limit.
Wherein, as the first stack information correspondence Display0 Activity Stack, terminal is according to the first display screen
The second corresponding for window management service WMS stack information that the parameters such as size generate is DisplayContent0 TaskStack.
DisplayContent0 TaskStack is for mark in the first display screen, and corresponding content to be displayed is applied in display first
The size of display window and the display position etc. of display window.
As the first stack information correspondence Display1 Activity Stack, terminal is according to the size of second display screen
The second corresponding for the window management service WMS stack information generated etc. parameter is DisplayContent1TaskStack.
DisplayContent0 TaskStack is for mark in second display screen, and the display of corresponding content is applied in display first
The size of window and the display position etc. of display window.
Such as, terminal is determining that the first viewing area of the first display screen (or second display screen) is by the first display window
The content needing display that display the first application is corresponding, in the first display screen (or second display screen) the second viewing area by the
Two display windows show the content that the needs of the second application correspondence show.
Terminal is when confirming that the first viewing area shows other guide by other display windows, and terminal also determines that first
Display window corresponding to application and the stack manner of other display windows, first apply corresponding display window, other display windows
The color of mouth, transparency etc..
S204: call display Composite service and carry out image synthesis process according to described second display information, obtain to be shown
Content.
Terminal is generating after the second stack information, call that display Composite service SF comprises according to the second display information first
Viewing area that content corresponding to application is corresponding and display position, carried out at image synthesis the content that the first application is corresponding
Reason, obtains content to be displayed.
Wherein, when the second stack information is DisplayContent0 TaskStack, terminal is by the second stack information
DisplayContent0 TaskStack transmission is to the DisplayHardware0 interface showing Composite service SF.Terminal is called
Display Composite service SF, according to the content that the second stack information DisplayContent0 TaskStack is corresponding to the first application
Carry out image procossing, form content to be displayed.
When the second stack information is DisplayContent1 TaskStack, terminal is by the second stack information
DisplayContent0 TaskStack transmission is to the DisplayHardware1 interface showing Composite service SF.Terminal is called
Display Composite service SF, according to the content that the second stack information DisplayContent1 TaskStack is corresponding to the first application
Carry out image procossing, form content to be displayed.
Further, content to be displayed is mixed to get by different layers, between layers by different transparencys
Mix.
S205: described content to be displayed is rendered at hardware abstraction layer.
Terminal obtains the ardware feature of display screen according to the second stack information, and determines that the ardware feature of display screen is corresponding
Rendering parameter, renders content to be displayed according to this rendering parameter at hardware abstraction layer HAL.
Wherein, as the second stack information correspondence DisplayContent0 TaskStack, mark content to be displayed shows
In the first display screen, terminal obtains the ardware feature of the first display screen；When the second stack information correspondence DisplayContent1
During TaskStack, mark content to be displayed is shown in second display screen, and terminal obtains the ardware feature of second display screen.
S206: call the framebuffer device that described first display information is corresponding, by described framebuffer device according to described
Second display information shows the content after rendering.
Terminal, after rendering content to be displayed, calls the framebuffer device that the first display information is corresponding, according to
Two display information determine the size of the display window showing the content to be displayed after rendering, and the position etc. of display window；Press
The content after rendering is shown by this framebuffer device according to the display window size determined, the position etc. of display window.
Wherein, when the content that corresponding first application of the first display information is corresponding is shown in the first display screen, the first display
When framebuffer device corresponding to information is FB0, terminal by FB0 according to the display window size determined, the position of display window
Deng, show the content after rendering.
When the content that corresponding first application of the first display information is corresponding is shown in second display screen, the first display information pair
When the framebuffer device answered is FB1, terminal, is shown according to the display window size determined, the position etc. of display window by FB1
Content after rendering.
It is understood that in the present embodiment, terminal includes two display screens, and in other embodiments, terminal is all right
Including 3 or more multi-display, the display mode of three screens or multi-screen is similar with the display mode of double screen, specifically see double screen and shows
That shows is relevant, does not repeats.
Such scheme, if terminal detects the enabled instruction of the first application, determines institute according to the mark of described first application
State the first display information of the first application；Determine that described first applies the second of corresponding content according to described first display information
Display information；The content that described first application is corresponding is rendered；In showing according to described second display information after rendering
Hold, it is possible to shown different contents by double screen simultaneously.
Owing to terminal with the addition of stack information and second display of the display window of second display screen in AMS, WMS
The storehouse of the active window of screen, it is possible to realize the first display screen and second display screen carry out window and movable management.
Terminal is not changing internal existing HDMI (High Definition Multimedia
Interface, HDMI) on the premise of path, by increasing the framebuffer device of second display screen, and the hardware abstraction of correspondence
The relevant parameter of layer etc. so that the first display screen shows different images from second display screen simultaneously, simplifies double-screen asynchronous and shows
Operating process, the first display screen and second display screen all can compatible various application, the extensibility of application is high.
See Fig. 4, be the schematic block diagram of a kind of terminal that the embodiment of the present invention provides.Terminal can be mobile phone, flat board
The mobile terminals such as computer, but it is not limited to this, it is also possible to for other-end, do not limit.The terminal 400 of the present embodiment is wrapped
The each unit included, for performing each step in embodiment corresponding to Fig. 1, specifically refers to embodiment corresponding to Fig. 1 and Fig. 1
In associated description, do not repeat.The terminal of the present embodiment includes: first determines unit 410, second determine unit 420, wash with watercolours
Dye unit 430 and display unit 440.
If first determines that unit 410, for the enabled instruction of the first application being detected, determines according to the mark of the first application
First display information of the first application；Wherein, the first display information is shown in first for the content that mark the first application is corresponding
Display screen or be shown in second display screen.
Such as, if the enabled instruction of the first application being detected, first determines that unit 410 determines according to the mark of the first application
First display information of the first application；Wherein, the first display information is shown in first for the content that mark the first application is corresponding
Display screen or be shown in second display screen.
First determines to second, the first display information is determined that unit 420 sends by unit 410.
Second determines that unit 420 determines, for receiving first, the first display information that unit 410 sends, according to the first display
Information determines the second display information of content corresponding to the first application；Wherein, the second display information includes that the first application is corresponding
Viewing area that content corresponding to content, the first application is corresponding and display position.
Such as, second determines that unit 420 receives first and determines the first display information that unit 410 sends, and shows according to first
Show that information determines the second display information of content corresponding to the first application；Wherein, the second display information includes that the first application is corresponding
Content, viewing area corresponding to content corresponding to the first application and display position.
Second determine unit 420 after getting the second display information, by the second display information to rendering unit 430, aobvious
Show that unit 440 sends.
Rendering unit 430 determines, for receiving second, the second display information that unit 420 sends, according to the second display information
Render.Such as, rendering unit 430 receives second and determines the second display information that unit 420 sends, to the first application correspondence
Content render.
Content after rendering unit 430 will render sends to display unit 440.
For receiving second, display unit 440 determines that the second display information that unit 420 sends, rendering unit 430 send
Render after content, show the content after rendering according to the second display information.
Such as, display unit 440 receive rendering unit 430 send render after content, according to second display information show
Show the content after rendering.
Such scheme, if terminal detects the enabled instruction of the first application, determines institute according to the mark of described first application
State the first display information of the first application；Determine that described first applies the second of corresponding content according to described first display information
Display information；The content that described first application is corresponding is rendered；In showing according to described second display information after rendering
Hold, it is possible to shown different contents by double screen, owing to the second display information includes showing the display that the first application is corresponding simultaneously
The viewing area of content and display position, display position includes the stack manner of at least two display window, so that double screen is equal
Window management can be realized.
Continuing with seeing Fig. 4, in another kind of embodiment, each unit that terminal 400 includes is for performing reality corresponding to Fig. 2
Execute each step in example, specifically refer to the associated description in embodiment corresponding to Fig. 2 and Fig. 2, do not repeat.Specifically
Ground:
If first determines that unit 410, for the enabled instruction of the first application being detected, determines according to the mark of the first application
First display information of the first application；Wherein, the first display information is shown in first for the content that mark the first application is corresponding
Display screen or be shown in second display screen.
Such as, if the enabled instruction of the first application being detected, first determines that unit 410 determines according to the mark of the first application
First display information of the first application；Wherein, the first display information is shown in first for the content that mark the first application is corresponding
Display screen or be shown in second display screen.
First determines to second, the first display information is determined that unit 420 sends by unit 410.
Second determines that unit 420 determines, for receiving first, the first display information that unit 410 sends, according to the first display
The first stack information that information creating campaign management services is corresponding；And for generating window management clothes according to the first stack information
The second stack information that business is corresponding；Wherein, the second stack information is for the second display letter of the content of mark the first application correspondence
Breath, the second display information includes viewing area corresponding to content corresponding to content corresponding to the first application, the first application and aobvious
Show position.
Such as, second determines that unit 420 receives first and determines the first display information that unit 410 sends, and shows according to first
Show the first stack information that information creating campaign management services is corresponding；And generate window management service according to the first stack information
The second corresponding stack information；Wherein, the second stack information is for identifying the second display of content corresponding to described first application
Information, the second display information include viewing area corresponding to content corresponding to content corresponding to the first application, the first application and
Display position.
Second determine unit 420 after getting the second display information, by the second display information to rendering unit 430, aobvious
Show that unit 440 sends.
Rendering unit 430 determines, for receiving second, the second display information that unit 420 sends, and calls display Composite service
Carry out image synthesis process according to the second display information, obtain content to be displayed；At hardware abstraction layer, content to be displayed is carried out
Render.
Such as, rendering unit 430 receives second and determines the second display information that unit 420 sends, and calls display synthesis clothes
Business carries out image synthesis process according to the second display information, obtains content to be displayed；At hardware abstraction layer, content to be displayed is entered
Row renders.
Further, content to be displayed is mixed to get by different layers, between layers by different transparencys
Mix.
Content after rendering unit 430 will render sends to display unit 440.
Display unit 440 determines, for receiving second, the second display information and reception rendering unit that unit 420 sends
430 send render after content, call the framebuffer device that the first display information is corresponding, by framebuffer device according to second
Display information shows the content after rendering.
Such as, display unit 440 receives second and determines the second display information that unit 420 sends and receive rendering unit
430 send render after content, call the framebuffer device that the first display information is corresponding, by framebuffer device according to second
Display information shows the content after rendering.
Such scheme, if terminal detects the enabled instruction of the first application, determines institute according to the mark of described first application
State the first display information of the first application；Determine that described first applies the second of corresponding content according to described first display information
Display information；The content that described first application is corresponding is rendered；In showing according to described second display information after rendering
Hold, it is possible to shown different contents by double screen simultaneously.
Owing to terminal with the addition of stack information and second display of the display window of second display screen in AMS, WMS
The storehouse of the active window of screen, it is possible to realize the first display screen and second display screen carry out window and movable management.
Terminal is not changing internal existing HDMI (High Definition Multimedia
Interface, HDMI) on the premise of path, by increasing the framebuffer device of second display screen, and the hardware abstraction of correspondence
The relevant parameter of layer etc. so that the first display screen shows different images from second display screen simultaneously, simplifies double-screen asynchronous and shows
Operating process, the first display screen and second display screen all can compatible various application, the extensibility of application is high.
See Fig. 5, be a kind of terminal schematic block diagram of another embodiment of the present invention offer.The present embodiment as depicted
In terminal 500 may include that one or more processor 510；One or more input equipments 520, one or more outputs
Equipment 530 and memorizer 540.Above-mentioned processor 510, input equipment 520, outut device 530 and memorizer 540 pass through bus
550 connect.
Memorizer 540 is used for storing programmed instruction.
Processor 510 operation below performing according to the programmed instruction of memorizer 540 storage:
If processor 510 is for the enabled instruction of the first application being detected, determine institute according to the mark of described first application
State the first display information of the first application；Wherein, described first display information is for identifying the content that described first application is corresponding
It is shown in the first display screen or is shown in second display screen.
Processor 510 is additionally operable to determine that described first applies the second of corresponding content to show according to described first display information
Show information；Wherein, described second display information includes the viewing area that the content of described first application correspondence, described content are corresponding
And display position.
Processor 510 is additionally operable to render according to described second display information, and for according to described second display
Information shows the content after rendering.
Further, processor 510 is specifically for corresponding according to described first display information creating campaign management services
First stack information；And for generating, according to described first stack information, the second stack information that window management service is corresponding；
Wherein, described second stack information is for identifying the second display information of content corresponding to described first application.
Further, processor 510 carries out figure specifically for calling display Composite service according to described second display information
As synthesis processes, obtain content to be displayed；At hardware abstraction layer, described content to be displayed is rendered.
Further, the framebuffer device that processor 510 is corresponding specifically for calling described first display information, by institute
State framebuffer device and show the content after rendering according to described second display information..
Further, described content to be displayed is mixed to get by different layers, between layers by different saturating
Lightness mixes.
Such scheme, if terminal detects the enabled instruction of the first application, determines institute according to the mark of described first application
State the first display information of the first application；Determine that described first applies the second of corresponding content according to described first display information
Display information；The content that described first application is corresponding is rendered；In showing according to described second display information after rendering
Hold, it is possible to shown different contents by double screen simultaneously.
Owing to terminal with the addition of stack information and second display of the display window of second display screen in AMS, WMS
The storehouse of the active window of screen, it is possible to realize the first display screen and second display screen carry out window and movable management.
Terminal is not changing internal existing HDMI (High Definition Multimedia
Interface, HDMI) on the premise of path, by increasing the framebuffer device of second display screen, and the hardware abstraction of correspondence
The relevant parameter of layer etc. so that the first display screen shows different images from second display screen simultaneously, simplifies double-screen asynchronous and shows
Operating process, the first display screen and second display screen all can compatible various application, the extensibility of application is high.
Should be appreciated that in embodiments of the present invention, alleged processor 510 can be CPU (Central
Processing Unit, CPU), this processor can also is that other general processors, digital signal processor (Digital
Signal Processor, DSP), special IC (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other FPGAs
Device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor or this at
Reason device can also be the processor etc. of any routine.
Input equipment 520 can include that Trackpad, fingerprint adopt sensor (for gathering the finger print information of user and fingerprint
Directional information), mike etc., outut device 530 can include display (LCD etc.), speaker etc..
This memorizer 540 can include read only memory and random access memory, and to processor 510 provide instruction and
Data.A part for memorizer 540 can also include nonvolatile RAM.Such as, memorizer 540 can also be deposited
The information of storage device type.
In implementing, processor 510, input equipment 520 described in the embodiment of the present invention, outut device 530 can
Implementation described in the first embodiment of the double-screen display method that the execution embodiment of the present invention provides and the second embodiment,
Also can perform the implementation of terminal described by the embodiment of the present invention, not repeat them here.
Those of ordinary skill in the art are it is to be appreciated that combine the list of each example that the embodiments described herein describes
Unit and algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware
With the interchangeability of software, the most generally describe composition and the step of each example according to function.This
A little functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Specially
Industry technical staff can use different methods to realize described function to each specifically should being used for, but this realization is not
It is considered as beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience of description and succinctly, and the end of foregoing description
End and the specific works process of unit, be referred to the corresponding process in preceding method embodiment, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed terminal and method, can be passed through it
Its mode realizes.Such as, device embodiment described above is only schematically, such as, and the division of described unit, only
Being only a kind of logic function to divide, actual can have other dividing mode, the most multiple unit or assembly to tie when realizing
Close or be desirably integrated into another system, or some features can be ignored, or not performing.It addition, shown or discussed phase
Coupling between Hu or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication
Connect, it is also possible to be electric, machinery or other form connect.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Unit in embodiment of the present invention terminal can merge according to actual needs, divides and delete.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize embodiment of the present invention scheme
Purpose.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to be that two or more unit are integrated in a unit.Above-mentioned integrated
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part in other words prior art contributed, or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in the amendment of various equivalence or replace
Changing, these amendments or replacement all should be contained within protection scope of the present invention.Therefore, protection scope of the present invention should be with right
The protection domain required is as the criterion.
Claims (10)
1. a double-screen display method, it is characterised in that described method includes:
If the enabled instruction of the first application being detected, determine that the first of described first application shows according to the mark of described first application
Show information；Wherein, described first display information for identify content corresponding to described first application be shown in the first display screen or
It is shown in second display screen；
The second display information of the content of described first application correspondence is determined according to described first display information；Wherein, described
Two display information include viewing area corresponding to content corresponding to described first application, described content and display position；
Render according to described second display information；
The content after rendering is shown according to described second display information.
Method the most according to claim 1, it is characterised in that described determine described first according to described first display information
Second display information of the content that application is corresponding includes:
According to the first stack information that described first display information creating campaign management services is corresponding；
The second stack information that window management service is corresponding is generated according to described first stack information；Wherein, described second storehouse
Information is for identifying the second display information of content corresponding to described first application.
Method the most according to claim 1 and 2, it is characterised in that described render according to described second display information
Including:
Call display Composite service and carry out image synthesis process according to described second display information, obtain content to be displayed；
At hardware abstraction layer, described content to be displayed is rendered.
Method the most according to claim 3, it is characterised in that described show according to described second display information render after
Content includes:
Call the framebuffer device that described first display information is corresponding, by described framebuffer device according to described second display letter
Breath shows the content after rendering.
Method the most according to claim 3, it is characterised in that described content to be displayed is carried out mixing by different layers
Arrive, mixed by different transparencys between layers.
6. a terminal, it is characterised in that described terminal includes:
First determines unit, if for the enabled instruction the first application being detected, determining institute according to the mark of described first application
State the first display information of the first application；Wherein, described first display information is for identifying the content that described first application is corresponding
It is shown in the first display screen or is shown in second display screen；
Second determines unit, for determining the second display of the content of described first application correspondence according to described first display information
Information；Wherein, described second display information include viewing area corresponding to content corresponding to described first application, described content with
And display position；
Rendering unit, for rendering according to described second display information；
Display unit, for showing the content after rendering according to described second display information.
Terminal the most according to claim 6, it is characterised in that described second determines that unit is specifically for according to described first
The first stack information that display information creating campaign management services is corresponding；And for generating window according to described first stack information
The second stack information that mouth management service is corresponding；Wherein, described second stack information is for identifying described first application correspondence
Second display information of content.
8. according to the terminal described in claim 6 or 7, it is characterised in that described rendering unit is specifically for calling display synthesis
Service carries out image synthesis process according to described second display information, obtains content to be displayed；Treat described at hardware abstraction layer
Display content renders.
Terminal the most according to claim 8, it is characterised in that described display unit is used for calling described first display information
Corresponding framebuffer device, shows the content after rendering by described framebuffer device according to described second display information.
Terminal the most according to claim 8, it is characterised in that described content to be displayed is carried out mixing by different layers
Arrive, mixed by different transparencys between layers.
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| CN201610639523.XA CN106293584A (en) | 2016-08-05 | 2016-08-05 | A kind of double-screen display method and terminal |
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|---|---|---|---|
| CN201610639523.XA CN106293584A (en) | 2016-08-05 | 2016-08-05 | A kind of double-screen display method and terminal |
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