CN105988780A - Window background implementing method and device - Google Patents

Window background implementing method and device Download PDF

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Publication number
CN105988780A
CN105988780A CN201510054934.8A CN201510054934A CN105988780A CN 105988780 A CN105988780 A CN 105988780A CN 201510054934 A CN201510054934 A CN 201510054934A CN 105988780 A CN105988780 A CN 105988780A
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Prior art keywords
window
screenshotss
application
windows
backdrop
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CN201510054934.8A
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Chinese (zh)
Inventor
连锦钟
宾林
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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Priority to CN201510054934.8A priority Critical patent/CN105988780A/en
Publication of CN105988780A publication Critical patent/CN105988780A/en
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Abstract

The invention provides a window background implementing method and device, wherein the method includes: making a screenshot when information about startup of an application window is acquired; using an image of the screenshot to generate a background window, and a graphic layer of the background window being below the application window started up. In a common application, contents from screenshots can be used as background. Operating system level processing is involved herein and is finished at sandbox service, a screenshot interface is not open, and the requirement on safety interfaces of open-source operating systems such as Android is met.

Description

The implementation method of a kind of window background and device
[technical field]
The present invention relates to Computer Applied Technology field, particularly to a kind of window background implementation method and Device.
[background technology]
Along with quickly popularizing of intelligent mobile terminal, people more and more use smart mobile phone, flat board electricity The intelligent mobile terminals such as brain obtain information and are operated or entertain, and how to improve Intelligent sliding The function of the APP (application) of dynamic terminal and Consumer's Experience become each APP developer and are devoted to asking of solution Topic.
For the open source operating systems such as Android (Android) system, APP when starting-window, Background blank often, and new demand is that the content using a upper interface is as blurred background.Use On the one hand the content at a upper interface can give user to guide as blurred background, knows current the most intuitively The source of window;On the other hand it also is able to promote the aesthetic measure of Application Design.But, great majority at present Application all cannot realize blurred background, even if being capable of blurred background, be only able to use fixing Picture (picture being i.e. previously stored with) is as blurred background, it is impossible to play the purpose guiding user.
[summary of the invention]
In view of this, the invention provides the implementation method of a kind of window background and device in order to be able to Use the content background as starting-window of screenshotss acquisition, thus give user with guiding function.
Concrete technical scheme is as follows:
The invention provides the implementation method of a kind of window background, the method includes:
When getting the information that application window starts, carry out screenshotss;
The image utilizing described screenshotss to obtain generates a backdrop window, and the figure layer of described backdrop window is positioned at startup After described application window under.
According to the present invention one preferred implementation, before carrying out screenshotss, also include:
Judge whether described application opens window background functions, if it is, carry out screenshotss.
According to the present invention one preferred implementation, the image utilizing described screenshotss to obtain generates a backdrop window Including:
The image obtaining screenshotss carries out Fuzzy Processing, and the image that utilization obtains after processing generates a figure layer, This figure layer is added in system windows, forms the backdrop window under the described application window after being positioned at startup.
According to the present invention one preferred implementation, the method also includes:
Safeguard the corresponding relation between described backdrop window and described application window.
According to the present invention one preferred implementation, the method also includes:
When getting the information of described application close, determine the backdrop window that described application window is corresponding;
Backdrop window corresponding for described application window is removed from system windows.
According to the present invention one preferred implementation, before determining the backdrop window that described application window is corresponding also Including:
Judge whether described application opens window background functions, if it is, determine that described application window is corresponding Backdrop window.
According to the present invention one preferred implementation, it is judged that whether described application opens window background functions includes:
Judge whether the window attribute of described application comprises the labelling opening window background functions, if it is, Determine that window background functions is opened in described application;Or,
Judge whether described application window have invoked the API opening window background functions, if it is, determine institute State application and open window background functions.
According to the present invention one preferred implementation, described in carry out screenshotss and include:
According to the hierarchical identification in system windows, the superiors in system windows before described application window is started Window carry out screenshotss.
According to the present invention one preferred implementation, the method also includes:
Periodically or before the application window of described startup, the windows content of the superiors becomes in system windows During change, according to the hierarchical identification in system windows, to the superiors in system windows before the application window started Window again carry out screenshotss, utilize the image that screenshotss again obtain to replace the content of described backdrop window.
According to the present invention one preferred implementation, the method is performed by the other service unit of operating system grade.
Present invention also offers a kind of window background realizes device, and this device includes: trigger element, screenshotss Unit and windows units;
Described trigger element, during for getting the information of application window startup, triggers described screenshotss unit;
Described screenshotss unit, carries out screenshotss after toggled;
Described windows units, generates a backdrop window for the image utilizing described screenshotss unit screenshotss to obtain, The figure layer of described backdrop window is positioned under the described application window after startup.
According to the present invention one preferred implementation, described trigger element is before triggering described screenshotss unit, also For judging whether described application opens window background functions, if it is, trigger described screenshotss unit.
According to the present invention one preferred implementation, described windows units includes:
Fuzzy subelement, carries out Fuzzy Processing, at utilization for the image obtaining described screenshotss unit screenshotss Image after reason generates a figure layer;
Window subelement, for adding in system windows by the figure layer that described fuzzy subelement generates, is formed Backdrop window under described application window after being positioned at startup.
According to the present invention one preferred implementation, this device also includes:
Maintenance unit, for safeguarding the corresponding relation between described backdrop window and described application window.
According to the present invention one preferred implementation, described trigger element, it is additionally operable to get described application window During the information closed, trigger described windows units;
Described windows units, in time being triggered by described trigger element, determines that described application window is corresponding Backdrop window, removes backdrop window corresponding for described application window from system windows.
According to the present invention one preferred implementation, described trigger element is before triggering described windows units, also For judging whether described application opens window background function, if it is, trigger described windows units.
According to the present invention one preferred implementation, described trigger element is judging whether described application opens window During background functions, specifically perform:
Judge whether the window attribute of described application comprises the labelling opening window background functions, if it is, Determine that window background functions is opened in described application;Or,
Judge whether described application window have invoked the API opening window background functions, if it is, determine institute State application and open window background functions.
According to the present invention one preferred implementation, described screenshotss unit, when carrying out screenshotss, specifically performs: depend on According to the hierarchical identification in system windows, the window of the superiors in system windows before described application window is started Carry out screenshotss.
According to the present invention one preferred implementation, described screenshotss unit, it is additionally operable to periodically or described startup Application window before time the windows content of the superiors changes in system windows, according in system windows Hierarchical identification, carries out screenshotss again to the window of the superiors in system windows before startup application window;
Described windows units, is additionally operable to the content of the image described backdrop window of replacement utilizing screenshotss again to obtain.
According to the present invention one preferred implementation, this device is the other device of operating system grade.
As can be seen from the above technical solutions, the present invention is by getting the information that application window starts Time, carry out screenshotss and the image that utilizes screenshotss to obtain generate a figure layer be positioned at the application window after startup it Under backdrop window, thus realize regular grade apply in use screenshotss obtain content as application window Background, play the guiding function to user.
[accompanying drawing explanation]
The method flow diagram that Fig. 1 provides for the embodiment of the present invention;
The instance graph of the window that Fig. 2 a provides for the embodiment of the present invention;
Fig. 2 b is the design sketch after opening application window on the basis of Fig. 2 a;
The structure drawing of device that Fig. 3 provides for the embodiment of the present invention.
[detailed description of the invention]
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings and specifically Embodiment describes the present invention.
The method flow diagram that Fig. 1 provides for the embodiment of the present invention, it is right that the device of execution this method must possess Common application carries out the authority of screenshotss, and in order to ensure the safety of system, the method can be by system-level Service unit performs, and " system " involved in the embodiment of the present invention refers to operating system.Such as Fig. 1 Shown in, the method may comprise steps of:
In 101, when getting the information that application window starts, carry out screenshotss.
When the application on intelligent mobile terminal to start certain window, system formally can start at window The information that this window starts just is got before completing.When carrying out screenshotss, each window that user is started Mouth is presented as the window stacked in system windows, and user often opens a window, just by this window Hold and be added on the level of top, the i.e. the superiors in system windows.There is the level of correspondence in each window Mark, just can be to the window of the superiors in system windows before window to be started according to this hierarchical identification Carry out screenshotss.It should be noted that system before the most all using application window to start As a example by window, the window of the superiors carries out screenshotss, a upper interface content of the window that will start is as the back of the body As a example by scape, but except this preferred embodiment in addition to, it is also possible to the content at other interfaces is carried out cut The initial interface content of application as background, such as, is carried out screenshotss as background by screen.
It addition, before carrying out screenshotss, can first determine whether whether this application has been switched on window background merit Can, if it is, carry out screenshotss, otherwise, it is not necessary to perform the flow process in the embodiment of the present invention.
In embodiments of the present invention, in advance labelling can be set in the application opening window background functions, This labelling indicates this application to open window background functions.Specifically, can be in the window attribute of this application Arranging the labelling opening window background functions, on startup, system-level service unit is just for this application window Can interpolate that the labelling whether opening window background functions in the window attribute of this application, if it is, really Window background functions is opened in this application fixed.
There is also another mode, for opening the application of window background functions, system can be to this application The open API (application programming interface) opening window background functions, when this application window starts, meeting Calling this API, system-level service unit just can know that window background functions is opened in this application.But need The system that is noted that not opens to regular grade application and relates to safe interface, the most not to commonly The interface of the open screenshotss function of level application.
In 102, the image utilizing screenshotss to obtain generates a backdrop window, this backdrop window is added In system windows and be positioned under the application window after startup.
When generating backdrop window, android operating system can perform WindowManager (window Mouthful management) system function AddView (establishment view) under class, create a window, and will cut The image that screen obtains adds in the window of this establishment, there is also corresponding function for other operating systems Function.
When carrying out window display on screen, the most often opening window is exactly at system windows A figure layer is added for showing the content of this window in upper strata.In this step, backdrop window is added to A figure layer below application window, specifically, when performing AddView function, it is possible to specify type Parameter, can specify the window of this interpolation level in systems in type parameter.This makes it possible to When showing this application window, its background is the image that the content in backdrop window, i.e. screenshotss obtain.In order to Reduce background and to the vision interference of the new window started and improve aesthetic feeling, the image that screenshotss can be obtained Carrying out Fuzzy Processing, the image that then utilization obtains after processing generates a figure layer, is added to by this figure layer System windows, form the backdrop window being positioned under the application window after startup.
The present invention, when image is carried out Fuzzy Processing, can use multi-Fuzzy processing mode, the present invention The concrete mode of Fuzzy Processing is not any limitation as, such as, Gaussian Blur can be used to process.So-called Gauss Fuzzy Processing is to regulate pixel colour, selectively broad image according to Gaussian curve.
Material is thus formed when user opens a window in the application, before this window opened Window interface shows as blurred background.Give one example, it is assumed that user use panel computer time, Current interface is interface as shown in Figure 2 a, when user opens a mailbox class on the basis of this interface Application, in the embodiment of the present invention, system-level service unit get start application window information after, The window of the superiors before starting application window in system windows is carried out sectional drawing, i.e. to shown in Fig. 2 a Interface carries out sectional drawing, and the image obtaining sectional drawing carries out Fuzzy Processing and forms a figure layer, is added by this figure layer It is added in system windows the figure layer under the application window of startup, thus forms backdrop window.Final result As shown in figure 2b, the background of the application window of the mailbox class of startup is interface Fuzzy Processing described in Fig. 2 a After image.
In 103, safeguard the corresponding relation between above-mentioned backdrop window and application window.
Here safeguard that the corresponding relation between backdrop window and application window acts on of both mainly having:
Partly in order to when closing application window, it is possible to the background of correspondence is found by this corresponding relation Window, removes backdrop window from system windows, and the contents of the section refers to step 104.
On the other hand the dynamic change of backdrop window can be realized.When above-mentioned application window starts, this opens The dynamic windows content before window is it may happen that change, and such as user opens a certain in note is applied During individual concrete short message content window, on it, an application window is the message list in inbox, when receiving During new note, this message list can change.Corresponding to this situation, this startup can be answered Again carry out sectional drawing with the window of the system windows the superiors before window, determine that the application window of startup is corresponding Backdrop window after, the image obtained after utilizing again sectional drawing replaces the backdrop window of this application window.Tool Body ground, after the image obtained can being carried out Fuzzy Processing, replaces the back of the body of this application window after sectional drawing again Scape window, thus achieves the dynamic change of backdrop window.
Each figure layer in system windows has respective figure layer to identify, and utilizes this figure layer mark the most permissible Determining level corresponding to window before the application window of startup, the window of this level is carried out again by system Sectional drawing.
It can be fixed that the window of the system windows the superiors before startup application window carries out sectional drawing again The operation of Shi Zhihang, it is also possible to be the window of the system windows the superiors before getting the application window of startup The operation that mouth content performs when changing.
In 104, when getting the information of application close, the background that this application window is corresponding is determined Window, removes the backdrop window determined from system windows.
Equally, when certain window is closed in the application on intelligent mobile terminal, system can at window just Formula just gets the information of this close before having closed.By the corresponding pass safeguarded in step 103 System, system-level service is capable of determining that the backdrop window that the application window of closedown is corresponding, thus by background Window removes from system windows, such as, perform Remove (removing) function and backdrop window removed. So after close, background " is closed " the most therewith.
It addition, before determining the backdrop window that this application window is corresponding, can first determine whether that this application is No unlatching window background functions, if it is, continue to determine the backdrop window that this application window is corresponding, no Then, it is not necessary to perform according to the mode of this step.
With during openable windows mouth before similarly, may determine that at this whether the window attribute of this application comprises out Open the labelling of window background function, if it is, determine that window background functions is opened in this application.There is also Another mode, for opening the application of window background functions, system can open openable windows to this application The API of mouth background functions, when this application close, can call this API, and system-level service fills Put and just can know that window background functions is opened in this application.I.e. judge whether this application window have invoked unlatching The API of window background function, if it is, determine that window background functions is opened in this application.
It is above the detailed description that method provided by the present invention is carried out, the device below present invention provided It is described in detail.The structure drawing of device that Fig. 3 provides for the embodiment of the present invention, this device can be system-level Other device, is arranged in operating system, as shown in Figure 3, this device may include that trigger element 00, Screenshotss unit 10 and windows units 20, it is also possible to farther include maintenance unit 30.
When trigger element 00 gets the information that application window starts, trigger screenshotss unit 10, screenshotss list Screenshotss are carried out after unit 10 is toggled.When the application on intelligent mobile terminal to start certain window, it is System can just get the information that this window starts before window has formally started.When carrying out screenshotss, This window has the most formally started, and before actually starting window, the interface of application carries out screenshotss.
The each window started for user is presented as the window stacked in system windows, and user often opens one Individual window, is just added on the level of top in system windows by the content of this window.Each window is deposited At corresponding hierarchical identification, screenshotss unit 00 is when carrying out screenshotss, according to the hierarchical identification in system windows, The window of the superiors in system windows before startup application window is carried out screenshotss.
Trigger element 00, before triggering screenshotss unit, can first determine whether to apply whether open window background merit Can, if it is, trigger screenshotss unit 10.In the embodiment of the present invention, trigger element 00 is judging that application is No when opening window background function, it can be determined that whether the window attribute of application comprises unlatching window background functions Labelling, if it is, determine application open window background functions;Or, it is judged that whether application window is adjusted With the API of unlatching window background functions, if it is, determine that window background functions is opened in application.
The image that windows units 20 is responsible for utilizing screenshotss unit 10 screenshotss to obtain generates a backdrop window, the back of the body The figure layer of scape window is positioned under the application window after startup.
To the vision interference of the new window started and improve aesthetic feeling in order to reduce background, screenshotss can be obtained Image carry out Fuzzy Processing, thus form blurred background.Now, windows units 20 can specifically include: Fuzzy subelement 21 and window subelement 22.
Fuzzy subelement 21 carries out Fuzzy Processing to the image that screenshotss unit 10 screenshotss obtain, after utilization processes Image generate a figure layer.Window subelement 22 adds single for fuzzy son 21 yuan of figure layers generated to system In window, formed and apply the backdrop window under window after being positioned at startup.Wherein obscure subelement 21 to figure During as carrying out Fuzzy Processing, multi-Fuzzy processing mode can be used, the present invention concrete side to Fuzzy Processing Formula is not any limitation as, such as, can use Gaussian Blur processing mode.
Maintenance unit 30 is responsible for safeguarding the corresponding relation between above-mentioned backdrop window and application window.Here safeguard Corresponding relation between backdrop window and application window acts on of both mainly having: partly in order to closing When closing application window, it is possible to found the backdrop window of correspondence by this corresponding relation, by backdrop window from system Window removes.
On the other hand the dynamic change of backdrop window can be realized.Corresponding to this situation, screenshotss unit 10 is also Can periodically or time before applying window to start, the windows content of the system windows the superiors changes, According to the hierarchical identification in system windows, to the window of the system windows the superiors before startup application window again The secondary screenshotss that carry out, the image that windows units 20 utilizes screenshotss unit 10 screenshotss again to obtain replaces backdrop window Content.Specifically, after the image obtained after sectional drawing again can being carried out Fuzzy Processing, this application is replaced The backdrop window of window, thus achieves the dynamic change of backdrop window.
Specifically, when trigger element 00 gets the information of application close, windows units 20, window are triggered When the mouth toggled unit of unit 20 00 triggers, determine the backdrop window that application window is corresponding, by application window The backdrop window that mouth is corresponding removes from system windows.
It addition, trigger element 00 is before triggering windows units 20, can first determine whether to apply and whether open Window background function, if it is, trigger windows units 20.In the embodiment of the present invention, trigger element 00 exists When judging whether application opens window background function, it can be determined that whether the window attribute of application comprises unlatching The labelling of window background function, if it is, determine that window background functions is opened in application;Or, it is judged that should The API opening window background functions whether is have invoked, if it is, determine that window background is opened in application with window Function.
Present invention may apply to when desktop starts application window, after desktop is carried out sectional drawing and Fuzzy Processing Backdrop window as the application window started.It is readily adaptable for use in and starts one newly from certain application window Application window time, such as when the window of some concrete note opened by short message inbox window, by note Inbox window carries out the backdrop window after sectional drawing and Fuzzy Processing as concrete short message port.Can also be suitable for In other application scenarios, the most exhaustive at this.
By above description it can be seen that the method and apparatus that the present invention provides can possess advantages below:
1) present invention is by when getting the information that application window starts, and application carries out screenshotss profit The image obtained with screenshotss generates the backdrop window under the application window after a figure layer is positioned at startup, from And the content realizing using screenshotss to obtain in regular grade is applied is as background.
2) present invention can using the upper interface content of application window that starts as background, to user with Preferably guiding function.
3) present invention is the other process of operating system grade, completes to process, the most outwards under sandbox service Open screenshotss interface, meets the security interface requirement of the open source operating systems such as android system.
4) present invention supports the application of any rank, and the suitability is wider.
In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method, Can realize by another way.Such as, device embodiment described above is only schematically, Such as, the division of described unit, it is only a kind of logic function and divides, actual can have additionally when realizing Dividing mode.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit In, it is also possible to it is that unit is individually physically present, it is also possible to two or more unit are integrated in one In individual unit.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer In read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some fingers Make with so that a computer equipment (can be personal computer, server, or the network equipment etc.) Or processor (processor) performs the part steps of method described in each embodiment of the present invention.And it is aforementioned Storage medium include: USB flash disk, portable hard drive, read only memory (Read-Only Memory, ROM), Random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various can To store the medium of program code.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. done, should be included in Within the scope of protection of the invention.

Claims (20)

1. the implementation method of a window background, it is characterised in that the method includes:
When getting the information that application window starts, carry out screenshotss;
The image utilizing described screenshotss to obtain generates a backdrop window, and the figure layer of described backdrop window is positioned at startup After described application window under.
Method the most according to claim 1, it is characterised in that before carrying out screenshotss, also include:
Judge whether described application opens window background functions, if it is, carry out screenshotss.
Method the most according to claim 1, it is characterised in that the image utilizing described screenshotss to obtain is raw A backdrop window is become to include:
The image obtaining screenshotss carries out Fuzzy Processing, and the image that utilization obtains after processing generates a figure layer, This figure layer is added in system windows, forms the backdrop window under the described application window after being positioned at startup.
Method the most according to claim 1, it is characterised in that the method also includes:
Safeguard the corresponding relation between described backdrop window and described application window.
Method the most according to claim 4, it is characterised in that the method also includes:
When getting the information of described application close, determine the backdrop window that described application window is corresponding;
Backdrop window corresponding for described application window is removed from system windows.
Method the most according to claim 5, it is characterised in that determining that described application window is corresponding Also include before backdrop window:
Judge whether described application opens window background functions, if it is, determine that described application window is corresponding Backdrop window.
7. according to the method described in claim 2 or 6, it is characterised in that judge whether described application opens Window background function includes:
Judge whether the window attribute of described application comprises the labelling opening window background functions, if it is, Determine that window background functions is opened in described application;Or,
Judge whether described application window have invoked the API opening window background functions, if it is, determine institute State application and open window background functions.
Method the most according to claim 1, it is characterised in that described in carry out screenshotss and include:
According to the hierarchical identification in system windows, the superiors in system windows before described application window is started Window carry out screenshotss.
Method the most according to claim 8, it is characterised in that the method also includes:
Periodically or before the application window of described startup, the windows content of the superiors becomes in system windows During change, according to the hierarchical identification in system windows, to the superiors in system windows before the application window started Window again carry out screenshotss, utilize the image that screenshotss again obtain to replace the content of described backdrop window.
10. according to the method described in claim arbitrary in claim 1 to 6,8 and 9, it is characterised in that should Method is performed by the other service unit of operating system grade.
11. 1 kinds of window backgrounds realize device, it is characterised in that this device includes: trigger element, cut Screen unit and windows units;
Described trigger element, during for getting the information of application window startup, triggers described screenshotss unit;
Described screenshotss unit, carries out screenshotss after toggled;
Described windows units, generates a backdrop window for the image utilizing described screenshotss unit screenshotss to obtain, The figure layer of described backdrop window is positioned under the described application window after startup.
12. devices according to claim 11, it is characterised in that described trigger element is described in triggering Before screenshotss unit, it is additionally operable to judge whether described application opens window background functions, if it is, trigger Described screenshotss unit.
13. devices according to claim 11, it is characterised in that described windows units includes:
Fuzzy subelement, carries out Fuzzy Processing, at utilization for the image obtaining described screenshotss unit screenshotss Image after reason generates a figure layer;
Window subelement, for adding in system windows by the figure layer that described fuzzy subelement generates, is formed Backdrop window under described application window after being positioned at startup.
14. devices according to claim 11, it is characterised in that this device also includes:
Maintenance unit, for safeguarding the corresponding relation between described backdrop window and described application window.
15. devices according to claim 14, it is characterised in that described trigger element, are additionally operable to obtain When getting the information of described application close, trigger described windows units;
Described windows units, in time being triggered by described trigger element, determines that described application window is corresponding Backdrop window, removes backdrop window corresponding for described application window from system windows.
16. devices according to claim 15, it is characterised in that described trigger element is described in triggering Before windows units, it is additionally operable to judge whether described application opens window background function, if it is, trigger Described windows units.
17. according to the device described in claim 12 or 16, it is characterised in that described trigger element is being sentenced When whether disconnected described application opens window background function, specifically perform:
Judge whether the window attribute of described application comprises the labelling opening window background functions, if it is, Determine that window background functions is opened in described application;Or,
Judge whether described application window have invoked the API opening window background functions, if it is, determine institute State application and open window background functions.
18. devices according to claim 11, it is characterised in that described screenshotss unit is carrying out screenshotss Time, specifically perform: according to the hierarchical identification in system windows, system window before described application window is started The window of the Kou Zhong the superiors carries out screenshotss.
19. devices according to claim 18, it is characterised in that described screenshotss unit, it is fixed to be additionally operable to Time ground or described startup application window before time the windows content of the superiors changes in system windows, According to the hierarchical identification in system windows, to the window of the superiors in system windows before startup application window Again carry out screenshotss;
Described windows units, is additionally operable to the content of the image described backdrop window of replacement utilizing screenshotss again to obtain.
20. according to the device described in claim arbitrary in claim 11 to 16,18 and 19, it is characterised in that This device is the other device of operating system grade.
CN201510054934.8A 2015-02-03 2015-02-03 Window background implementing method and device Pending CN105988780A (en)

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