CN106648488B - A kind of terminal and its display methods - Google Patents
A kind of terminal and its display methods Download PDFInfo
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- CN106648488B CN106648488B CN201610821856.4A CN201610821856A CN106648488B CN 106648488 B CN106648488 B CN 106648488B CN 201610821856 A CN201610821856 A CN 201610821856A CN 106648488 B CN106648488 B CN 106648488B
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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
- G06F3/1446—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 display composed of modules, e.g. video walls
Abstract
The embodiment of the present invention provides a kind of terminal and its display methods, which comprises the driving of unloading the first screen and the second screen, the first screen of load driver and the synthesis of the second screen are shown as the driving of third screen, and send corresponding notice；The active stack of the first screen and the second screen that keep in advance is obtained according to notice, and the active stack of the first screen and the second screen is synthesized to the active stack of third screen；The screen message of third screen is generated according to the active stack of third screen and places the task stack of screen message；Windowing calculating is carried out according to the third screen that screen message again synthesizes the first screen and the second screen, the display window of third screen is generated and is sent to display synthesis module corresponding with third screen, by display window synthesis display in third screen.The embodiment of the present invention can be without being shown to the data arbitrarily applied on a screen as synthesized by two screens under the premise of restarting system, and compatibility is strong.
Description
Technical field
The embodiment of the present invention belongs to electronic technology field more particularly to a kind of terminal and its display methods.
Background technique
Continuous with display technology is popularized, and shows data on multiple screens to realize the demand of multi-screen interactive increasingly
Greatly.
However, existing terminal or display equipment, need restarting systems or only operation terminal or display equipment
The specific application that manufacturer writes could show jointly the data of same application on two screens, and compatibility is poor, can not
Realize the double screen unification display function of any application.
Summary of the invention
The embodiment of the present invention provides a kind of terminal and its display methods, can be without under the premise of restarting system, arbitrarily
The data of application are shown on a screen as synthesized by two screens, and the double screen of any application can be achieved by force in compatibility
Unify display function.
On the one hand the embodiment of the present invention provides a kind of display methods of terminal, the Android device includes the first screen and the
Two screens, which comprises
If desktop starter detects double screen unification instruction, trigger the first screen described in bottom dynamic offloading first is driven
Dynamic and second screen second drives, and the first screen described in load driver and second screen synthesis are shown as third screen
The third driving of curtain；
System kernel is sent by display synthesis module, interface delivery service and display management service to campaign management services
Notice；
The campaign management services obtain the active stack of first screen kept in advance and described according to the notice
The active stack of second screen, and the active stack of the active stack of first screen and second screen is synthesized into the third
The active stack of screen；
Window management service generates the screen message of the third screen according to the active stack of the third screen, and generates
Place the task stack of the screen message；
Window management service first screen and second screen are synthesized again according to the screen message the
Three screens carry out Windowing calculating, to generate the display window of the third screen；
The display window of the third screen is sent to display corresponding with the third screen and closed by interface delivery service
At module, display window synthesis to be shown in the third screen by the display synthesis module.
On the other hand the embodiment of the present invention also provides a kind of terminal, the terminal includes the first screen and the second screen, institute
Stating terminal includes:
Trigger unit triggers described in bottom dynamic offloading the if detecting double screen unification instruction for desktop starter
First driving of one screen and the second of second screen drive, and the first screen described in load driver and second screen close
It is driven at the third for being shown as third screen；
Notification unit, for system kernel by showing synthesis module, interface delivery service and display management service to work
Dynamic management service sends notice；
Active stack synthesis unit obtains keep in advance described first according to the notice for the campaign management services
The active stack of the active stack of screen and second screen, and by the work of the active stack of first screen and second screen
Dynamic stack synthesizes the active stack of the third screen；
Screen message generation unit generates the third according to the active stack of the third screen for window management service
The screen message of screen, and generate the task stack for placing the screen message；
Display window generation unit, for window management service according to the screen message again to first screen and
The third screen of the second screen synthesis carries out Windowing calculating, to generate the display window of the third screen；
Display unit is synthesized, is sent to the display window of the third screen and the third for interface delivery service
The corresponding display synthesis module of screen, to be shown display window synthesis in the third by the display synthesis module
Screen.
The embodiment of the present invention by providing a kind of terminal and its display methods, can without under the premise of restarting system,
The data arbitrarily applied are shown on a screen as synthesized by two screens, and any application can be achieved by force in compatibility
Double screen unifies display function, does not need the hardware configuration of change Android device, it is easy to accomplish, suitable for being widely used to promote.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the basic procedure block diagram of the display methods for the terminal that the embodiment of the present invention one provides；
Fig. 2 is the basic procedure block diagram of the display methods of terminal provided by Embodiment 2 of the present invention；
Fig. 3 is the structural block diagram for the terminal that the embodiment of the present invention three provides；
Fig. 4 is the structural block diagram for the terminal that the embodiment of the present invention four provides；
Fig. 5 is the structural block diagram for the terminal that the embodiment of the present invention five provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is the present invention one
The embodiment divided, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, should fall within the scope of the present invention.
Description and claims of this specification and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
The display methods and terminal of terminal provided by the embodiment of the present invention, the application scenarios and terminal device of method
Including and be not limited to IOS system, android system, windows system and the terminal or equipment for carrying these systems.Below
Embodiment is using android system and to carry the terminal of android system be description object as embodiment.
Embodiment one:
As shown in Figure 1, the terminal includes the first screen and the second screen the present embodiment provides a kind of display methods of terminal
Curtain.
Double screen unification display in the present embodiment specifically refers to: making script isolated operation different application, display different application
Two screens of data synthesize the application data that a large screen shows same application jointly.For example, making the first screen and
Two screens synthesize a large screen in physically splicing, and the size of the large screen is equal to the size and the of the first screen
The sum of the size of two screens, run Chinese chess application, make the first screen show Board of chess half, the second screen show as
Chess chessboard the other half, it is single compared on two screens to realize that two screens show the effect of entire Board of chess jointly
Chinese chess application is solely run, method provided by the present embodiment can realize that screen extends, and make to be shown in two screens using data
On one biggish screen of curtain splicing synthesis.
In a particular application, the display methods of terminal provided by the embodiment of the present invention can be applied not only to include two
The Android device of screen, can also be applied to including multiple screens Android device so that multiple screens show jointly it is same
The data of application, to realize that screen extends.For example, three screens show the article including the text of page three jointly, then the first screen
Show that first page text, the second screen show that second page text, third screen show third page text.
The described method includes:
Step S101: if desktop starter detects double screen unification instruction, the first screen described in bottom dynamic offloading is triggered
First driving of curtain and the second driving of second screen, and the first screen described in load driver and second screen synthesis
It is shown as the third driving of third screen.
In a particular application, double screen unification instruction is inputted by user by the user interface of Android device.
In one embodiment, if the desktop starter in step S101 detects double screen, unification instruction includes:
The double screen that desktop starter receives user's input unifies instruction, is unified according to the double screen and is instructed, and starting is corresponding
Android installation kit (APK, AndroidPackage).
In the present embodiment, the first driving, the second driving and third driving are respectively used to drive corresponding first screen, the
Two screens and third screen are shown using data.
Step S102: system kernel (kernel) passes through display synthesis (HWComposer) module, interface delivery
(Surfaceflinger) service and display management service are sent to campaign management services notifies.
Step S103: the campaign management services obtain the activity of first screen kept in advance according to the notice
The active stack of stack (ActivityStack) and second screen, and by the active stack of first screen and second screen
The active stack of curtain synthesizes the active stack of the third screen；
In the present embodiment, active stack (ActivityStack) refers to one or more associated for placing and managing
The storehouse (Stack) of Activity, the new Activity started every time will be added in storehouse, and Activity is the equal of
It is recorded in active stack, can be checked and be recalled, the active stack including one group of associated Activity is the equal of one
A task (task).
In one embodiment, step S103 includes:
The campaign management services call its pre-registered call back function loaded and displayed function according to the loading messages
(onDisplayAdded), the active stack of the active stack of first screen and second screen is synthesized into the third screen
The active stack of curtain；
In a particular application, the active stack of the active stack of first screen and second screen is synthesized described
The active stack of three screens can specifically be arranged successively the active stack data and of the first screen according to the sequence of data in active stack
The active stack data of two screens form a new active stack, which is the active stack of third screen, can also be with
After the active stack data that the active stack data of first screen are come to the second screen in order.
Step S104: window management service is believed according to the screen that the active stack of the third screen generates the third screen
It ceases (DisplayContent), and generates the task stack (TaskStack) for placing the screen message.
In the present embodiment, task stack (TaskStack) refers to for managing and placing one or more tasks (Task)
Associated Activity is combined, is then placed in storehouse by storehouse (Stack), task (Task).
In a particular application, the screen message specifically refers to the information such as the resolution ratio of screen, display id.
In one embodiment, step S104 is specifically included:
Its call back function loaded and displayed function (onDisplayAdded) of the window management service call, according to described
The active stack of three screens generates the screen message of the third screen and places the task stack of the screen message.
Step S105: window management service is according to the screen message again to first screen and second screen
The third screen of synthesis carries out Windowing calculating, to generate the display window (surface) of the third screen.
In a particular application, to first screen and the Windowing calculating of second screen progress, in particular to again
Calculate display size, the display position etc. of the display window (windowstate) of the first screen and the second screen.
In one embodiment, step S105 is specifically included:
Its performLayoutAndPlaceSurfacesLockedLoop function of window management service call, with basis
The screen message carries out Windowing calculating to first screen and second screen again, to generate the third screen
Display window (surface).
Step S106: the display window of the third screen is sent to corresponding with the third screen by interface delivery service
Display synthesis module, with by the display synthesis module by the display window synthesis display in the third screen.
In one embodiment, step S106 is specifically included:
The layer structure (layerstack) of interface delivery service by the display window of the third screen be sent to it is described
The corresponding display synthesis module of third screen, to be shown display window synthesis described by the display synthesis module
Third screen.
In one embodiment, include: before step S102
Campaign management services first pass through in advance registration display answer device (registerDisplayListener) registration it is hot-swappable
The call back function of event deletes explicit function (onDisplayRemoved) and call back function loaded and displayed function
(onDisplayAdded)。
The embodiment of the present invention by providing a kind of display methods of terminal, can without restart system under the premise of, times
The data of meaning application are shown on a screen as synthesized by two screens, and the double of any application can be achieved by force in compatibility
Screen unification display function, does not need the hardware configuration of change Android device, it is easy to accomplish, suitable for being widely used to promote.
Embodiment two:
As shown in Fig. 2, in the present embodiment, the notice is hot-swappable event；Step S102 is specifically included:
Step S201: system kernel sends a hot-swappable event to display synthesis module, and the hot-swappable event includes
Unload message (remove) and loading messages (add), wherein the unloading message is for notifying the dynamic of bottom described in other threads
First driving and second driving are being unloaded, the loading messages are for notifying the dynamic of bottom described in other threads just
Loading the third driving；
Step S202: the display synthesis module calls Hook Function (hook_hotplug) to send out the hot-swappable event
Give interface delivery service；
Step S203: the interface delivery service receives the hot-swappable event, then calls its call back function heat to dial and insert
Event receiver function (onHotplugReceived) obtains the screen message of the third screen and sends out the hot-swappable event
Give display management service.
In a particular application, after display management service receives unloading message, Event receiver can be shown by it
(DisplayEventReceiver) the pre-registered call back function of campaign management services is called, campaign management services root is then made
Corresponding task is executed according to its pre-registered call back function.
Step S204: the display management service by the hot-swappable event be sent to the campaign management services (AMS,
ActivityManagerService)；
Step S205: the campaign management services according to the unloading message call, delete by its pre-registered call back function
The active stack of first screen is maintained in the first interim chained list by explicit function, and the active stack of second screen is protected
It holds in the second interim chained list.
In one embodiment, after step S205 further include:
The loading messages are sent to the window management service by the display management service
(WindowManagerServier)；
The window management service calls its call back function to delete explicit function according to the loading messages, removes and the window
The corresponding task stack (TaskStack) of mouth management service；
Its window lock function of the window management service call locks the display window of first screen
(surface) and the display window of second screen, to stop continuing to refresh first screen and the second screen institute
The data of display.
In a particular application, the screen message specifically refers to the information such as the resolution ratio of screen, display id.
The embodiment of the present invention notifies other to service " the first screen described in bottom dynamic offloading by sending hot-swappable event
The first driving and second screen the second driving, and the first screen described in load driver and second screen synthesis are aobvious
Be shown as the third driving of third screen " event, other current screen states of service timely learnings can be made, then opened in time
Corresponding task is moved, system response time is improved, shortens screen generated time.
Embodiment three:
As shown in figure 3, terminal 10 provided by the present embodiment comprising the first screen and the second screen, further includes:
Trigger unit 101 triggers described in bottom dynamic offloading if detecting double screen unification instruction for desktop starter
First driving of the first screen and the second of second screen drive, the first screen and second screen described in load driver
Synthesis is shown as the third driving of third screen；
Notification unit 102, for system kernel by display synthesis module, interface delivery service and display management service to
Campaign management services send notice；
Active stack synthesis unit 103, for the campaign management services according to the notice acquisition keep in advance described in
The active stack of the active stack of first screen and second screen, and by the active stack of first screen and second screen
Active stack synthesize the active stack of the third screen；
Screen message generation unit 104, for window management service according to the generation of the active stack of the third screen
The screen message of third screen, and generate the task stack for placing the screen message；
Display window generation unit 105, for window management service according to the screen message again to first screen
Curtain and the third screen of second screen synthesis carry out Windowing calculating, to generate the display window of the third screen；
Synthesize display unit 106, for interface delivery service by the display window of the third screen be sent to it is described
The corresponding display synthesis module of third screen, to be shown display window synthesis described by the display synthesis module
Third screen.
In one embodiment, trigger unit 101 is also used to the double screen unification instruction that desktop starter receives user's input, root
Unify according to the double screen and instruct, starts corresponding Android installation kit (APK, AndroidPackage), the Android installation kit
First driving of the first screen described in bottom dynamic offloading and the second driving of second screen, and first described in load driver
Screen and second screen synthesis are shown as the third driving of third screen.
In one embodiment, active stack synthesis unit 103 disappears specifically for the campaign management services according to the load
Breath, calls its pre-registered call back function loaded and displayed function, by the active stack of first screen and second screen
Active stack synthesize the active stack of the third screen；
In one embodiment, screen message generation unit 104, being specifically used for the window management service call, it adjusts back letter
Number loaded and displayed function generates the screen message of the third screen according to the active stack of the third screen and places the screen
The task stack of curtain information.
In one embodiment, display window generation unit 105 is specifically used for its window of window management service call and locks
Loop function, to carry out Windowing calculating to first screen and second screen again according to the screen message, with
Generate the display window (surface) of the third screen.
In one embodiment, display unit 106 is synthesized, specifically for the layer structure (layerstack) of interface delivery service
The display window of the third screen is sent to display synthesis module corresponding with the third screen, to pass through the display
Synthesis module is by display window synthesis display in the third screen.
In one embodiment, the terminal further include:
Call back function registering unit first passes through registration display in advance for campaign management services and answers device
(registerDisplayListener) call back function for registering hot-swappable event deletes explicit function and call back function load is aobvious
Show function.
The embodiment of the present invention by providing a kind of display methods of terminal, can without restart system under the premise of, times
The data of meaning application are shown on a screen as synthesized by two screens, and the double of any application can be achieved by force in compatibility
Screen unification display function, does not need the hardware configuration of change Android device, it is easy to accomplish, suitable for being widely used to promote.
Example IV:
As shown in figure 4, in the present embodiment, the notice is hot-swappable event；Notification unit 102 specifically includes:
First hot-swappable event transmission unit 201 sends a hot-swappable thing to display synthesis module for system kernel
Part, the hot-swappable event include unloading message and loading messages, wherein the unloading message is for notifying described in other threads
Bottom dynamic is unloading first driving and second driving, and the loading messages are for notifying bottom described in other threads
Layer dynamic is loading the third driving；
Second hot-swappable event transmission unit 202 calls Hook Function by the hot drawing for the display synthesis module
Slotting event is sent to interface delivery service；
Screen information acquisition unit 203 receives the hot-swappable event for the interface delivery service, then calls it
Call back function heat dials slotting event receiver function and obtains the screen message of the third screen and be sent to the hot-swappable event
Display management service；
The hot-swappable event is sent to by the hot-swappable event transmission unit 204 of third for the display management service
The campaign management services；
Active stack holding unit 205, for the campaign management services, according to the unloading message call, its is registered in advance
Call back function delete explicit function, the active stack of first screen is maintained in the first interim chained list, by described second
The active stack of screen is maintained in the second interim chained list.
In a particular application, active stack holding unit passes through after receiving unloading message specifically for display management service
It shows that Event receiver (DisplayEventReceiver) calls the pre-registered call back function of campaign management services, then
Campaign management services are made to execute corresponding task according to pre-registered call back function.
In one embodiment, notification unit 102 is specific further include:
The loading messages are sent to the window for the display management service by the 4th hot-swappable event transmission unit
Mouth management service；
Task stack clearing cell calls its call back function to delete for the window management service according to the loading messages
Explicit function removes task stack corresponding with window management service；
Screen locking unit is used for its window lock function of the window management service call, locks the aobvious of first screen
Show the display window of window and second screen, to stop continuing to refresh shown by first screen and second screen
Data.
The embodiment of the present invention notifies other to service " the first screen described in bottom dynamic offloading by sending hot-swappable event
The first driving and second screen the second driving, and the first screen described in load driver and second screen synthesis are aobvious
Be shown as the third driving of third screen " event, other current screen states of service timely learnings can be made, then opened in time
Corresponding task is moved, system response time is improved, shortens screen generated time.
Embodiment five:
As shown in figure 5, terminal 100 provided by the present embodiment comprising:
Processor (processor) 110, communication interface (Communications Interface) 120, memory
(memory) 130, bus 140, the first screen 150 and the second screen 160.
Processor 110, communication interface 120, memory 130, the first screen 150 and the second screen 160 are complete by bus 140
At mutual communication.
Communication interface 120, is used for and external device, for example, PC, smart phone etc. communicate.
First screen 150 and the second screen 160 are in physically mutually splicing setting side by side, for showing one jointly
Using data, to realize screen extension function.
Processor 110, for executing program 131；
Specifically, program 131 may include program code, and said program code includes computer operation instruction.
Processor 110 may be a central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.
Memory 130, for storing program 131.Memory 130 may include high speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Program 131 specifically can wrap
It includes:
Trigger unit 1311 triggers bottom dynamic offloading institute if detecting double screen unification instruction for desktop starter
State the first driving of the first screen and the second driving of second screen, the first screen and second screen described in load driver
Curtain synthesis is shown as the third driving of third screen；
Notification unit 1312 passes through display synthesis module, interface delivery service and display management service for system kernel
It sends and notifies to campaign management services；
Active stack synthesis unit 1313, for the campaign management services according to the notice acquisition keep in advance described in
The active stack of the active stack of first screen and second screen, and by the active stack of first screen and second screen
Active stack synthesize the active stack of the third screen；
Screen message generation unit 1314, for window management service according to the generation of the active stack of the third screen
The screen message of third screen, and generate the task stack for placing the screen message；
Display window generation unit 1315, for window management service according to the screen message again to first screen
Curtain and the third screen of second screen synthesis carry out Windowing calculating, to generate the display window of the third screen；
Synthesize display unit 1316, for interface delivery service by the display window of the third screen be sent to it is described
The corresponding display synthesis module of third screen, to be shown display window synthesis described by the display synthesis module
Third screen.
In one embodiment, program 131 specifically can also include:
First hot-swappable event transmission unit sends a hot-swappable event to display synthesis module for system kernel,
The hot-swappable event includes unloading message and loading messages, wherein the unloading message is for notifying bottom described in other threads
Layer dynamic is unloading first driving and second driving, and the loading messages are for notifying bottom described in other threads
Dynamic is loading the third driving；
Second hot-swappable event transmission unit calls Hook Function by the hot-swappable thing for the display synthesis module
Part is sent to interface delivery service；
Screen information acquisition unit receives the hot-swappable event for the interface delivery service, then calls its time
Letter of transfer number heat dials slotting event receiver function and obtains the screen message of the third screen and be sent to the hot-swappable event aobvious
Show management service；
The hot-swappable event is sent to described by the hot-swappable event transmission unit of third for the display management service
Campaign management services；
Active stack holding unit, for the campaign management services according to the unloading message call its pre-registered time
Letter of transfer number deletes explicit function, the active stack of first screen is maintained in the first interim chained list, by second screen
Active stack be maintained in the second interim chained list.
In one embodiment, program 131 specifically can also include:
The loading messages are sent to the window for the display management service by the 4th hot-swappable event transmission unit
Mouth management service；
Task stack clearing cell calls its call back function to delete for the window management service according to the loading messages
Explicit function removes task stack corresponding with window management service；
Screen locking unit is used for its window lock function of the window management service call, locks the aobvious of first screen
Show the display window of window and second screen, to stop continuing to refresh shown by first screen and second screen
Data.
In one embodiment, the active stack synthesis unit disappears specifically for the campaign management services according to the load
Breath, calls its pre-registered call back function loaded and displayed function, by the active stack of first screen and second screen
Active stack synthesize the active stack of the third screen；
The screen message generation unit is specifically used for its call back function loaded and displayed letter of the window management service call
Number generates the screen message of the third screen according to the active stack of the third screen and places the task of the screen message
Stack.
In one embodiment, program 131 specifically can also include:
Call back function registering unit first passes through registration display in advance for campaign management services and answers the hot-swappable event of device registration
Call back function delete explicit function and call back function loaded and displayed function.
In one embodiment, program 131 specifically can also include:
Unit in all embodiments of the invention can pass through universal integrated circuit, such as CPU (Central
Processing Unit, central processing unit), or pass through ASIC (Application Specific Integrated
Circuit, specific integrated circuit) Lai Shixian.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Unit in the device of that embodiment of the invention can be combined, divided and deleted according to actual needs.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of display methods of terminal, which is characterized in that the terminal includes the first screen and the second screen, the method packet
It includes:
If desktop starter detect double screen unification instruction, trigger the first screen described in bottom dynamic offloading first driving and
The second of second screen drives, and the first screen described in load driver and second screen synthesis are shown as third screen
Third driving；
System kernel is sent by display synthesis module, interface delivery service and display management service to campaign management services logical
Know；
The campaign management services obtain the active stack and described second of first screen kept in advance according to the notice
The active stack of screen, and the active stack of the active stack of first screen and second screen is synthesized into the third screen
Active stack；
Window management service generates the screen message of the third screen according to the active stack of the third screen, and generates placement
The task stack of the screen message；
The third screen that window management service again synthesizes first screen and second screen according to the screen message
Curtain carries out Windowing calculating, to generate the display window of the third screen；
The display window of the third screen is sent to display corresponding with the third screen and synthesizes mould by interface delivery service
Block, to be shown display window synthesis in the third screen by the display synthesis module.
2. the display methods of terminal as described in claim 1, which is characterized in that the notice is hot-swappable event；
The system kernel is sent by display synthesis module, interface delivery service and display management service to campaign management services
Notice, comprising:
System kernel sends a hot-swappable event to display synthesis module, and the hot-swappable event includes unloading message and load
Message, wherein the unloading message for notify bottom described in other threads dynamic unloading it is described first driving and it is described
Second driving, the loading messages are for notifying the dynamic of bottom described in other threads loading the third driving；
The display synthesis module calls Hook Function that the hot-swappable event is sent to interface delivery service；
The interface delivery service receives the hot-swappable event, then calls its call back function heat to dial slotting event receiver function and obtain
It takes the screen message of the third screen and the hot-swappable event is sent to display management service；
The hot-swappable event is sent to the campaign management services by the display management service；
According to the unloading message call, its pre-registered call back function deletes explicit function to the campaign management services, by institute
The active stack for stating the first screen is maintained in the first interim chained list, and the active stack of second screen is maintained at the second interim chain
In table.
3. the display methods of terminal as claimed in claim 2, which is characterized in that the method also includes:
The loading messages are sent to the window management service by the display management service；
The window management service calls its call back function to delete explicit function according to the loading messages, removes and the window pipe
Reason services corresponding task stack；
Its window lock function of the window management service call locks the display window and second screen of first screen
The display window of curtain, to stop continuing to refresh data shown by first screen and second screen.
4. the display methods of terminal as claimed in claim 2, which is characterized in that the active stack by first screen and
The active stack of second screen synthesizes the active stack of the third screen, comprising:
The campaign management services call its pre-registered call back function loaded and displayed function according to the loading messages, will
The active stack of the active stack of first screen and second screen synthesizes the active stack of the third screen；
The window management service generates the screen message of the third screen according to the active stack of the third screen, and generates
Place the task stack of the screen message, comprising:
Its call back function loaded and displayed function of the window management service call generates institute according to the active stack of the third screen
It states the screen message of third screen and places the task stack of the screen message.
5. such as the display methods of the described in any item terminals of claim 2~4, which is characterized in that the desktop starter detection
Include: before whether receiving the double screen unification instruction of user's transmission
Campaign management services first pass through in advance registration display answer device register hot-swappable event call back function delete explicit function and
Call back function loaded and displayed function.
6. a kind of terminal, which is characterized in that the terminal includes the first screen and the second screen, and the terminal includes:
Trigger unit triggers the first screen described in bottom dynamic offloading if detecting double screen unification instruction for desktop starter
First driving of curtain and the second of second screen drive, and the first screen described in load driver and second screen synthesis are aobvious
It is shown as the third driving of third screen；
Notification unit, for system kernel by showing synthesis module, interface delivery service and display management service to adjustable pipe
Reason service sends notice；
Active stack synthesis unit obtains first screen kept in advance according to the notice for the campaign management services
Active stack and second screen active stack, and by the active stack of the active stack of first screen and second screen
Synthesize the active stack of the third screen；
Screen message generation unit generates the third screen according to the active stack of the third screen for window management service
Screen message, and generate the task stack for placing the screen message；
Display window generation unit, for window management service according to the screen message again to first screen and described
The third screen of second screen synthesis carries out Windowing calculating, to generate the display window of the third screen；
Display unit is synthesized, is sent to the display window of the third screen and the third screen for interface delivery service
Corresponding display synthesis module, to be shown display window synthesis in the third screen by the display synthesis module
Curtain.
7. terminal as claimed in claim 6, which is characterized in that the notice is hot-swappable event；
The notification unit includes:
First hot-swappable event transmission unit sends a hot-swappable event to display synthesis module for system kernel, described
Hot-swappable event includes unloading message and loading messages, wherein the unloading message is for notifying that bottom described in other threads is dynamic
State is unloading first driving and second driving, and the loading messages are for notifying the dynamic of bottom described in other threads
Loading the third driving；
Second hot-swappable event transmission unit calls Hook Function to send out the hot-swappable event for the display synthesis module
Give interface delivery service；
Screen information acquisition unit receives the hot-swappable event for the interface delivery service, then it is called to adjust back letter
Number heat dials slotting event receiver function and obtains the screen message of the third screen and the hot-swappable event is sent to display tube
Reason service；
The hot-swappable event is sent to the activity for the display management service by the hot-swappable event transmission unit of third
Management service；
Active stack holding unit, for the campaign management services according to its pre-registered readjustment letter of the unloading message call
Number deletes explicit function, the active stack of first screen is maintained in the first interim chained list, by the work of second screen
Dynamic stack is maintained in the second interim chained list.
8. terminal as claimed in claim 7, which is characterized in that the terminal further include:
The loading messages are sent to the window pipe for the display management service by the 4th hot-swappable event transmission unit
Reason service；
Task stack clearing cell calls its call back function to delete display for the window management service according to the loading messages
Function removes task stack corresponding with window management service；
Screen locking unit is used for its window lock function of the window management service call, locks the display window of first screen
The display window of mouth and second screen, to stop continuing to refresh number shown by first screen and second screen
According to.
9. terminal as claimed in claim 7, which is characterized in that
The active stack synthesis unit is specifically used for the campaign management services according to the loading messages, calls its registered in advance
Call back function loaded and displayed function, the active stack of the active stack of first screen and second screen is synthesized described
The active stack of third screen；
The screen message generation unit is specifically used for its call back function loaded and displayed function of the window management service call, root
The screen message of the third screen is generated according to the active stack of the third screen and places the task stack of the screen message.
10. such as the described in any item terminals of claim 7~9, which is characterized in that the terminal further include:
Call back function registering unit first passes through registration display in advance for campaign management services and answers time that device registers hot-swappable event
Letter of transfer number deletes explicit function and call back function loaded and displayed function.
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| CN113360120B (en) * | 2021-07-02 | 2023-04-07 | 亿咖通(湖北)技术有限公司 | Screen driving method and apparatus, electronic apparatus, computer-readable storage medium, and computer program product |
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