CN113900754A - Desktop sharing method and device, computer equipment and storage medium - Google Patents
Desktop sharing method and device, computer equipment and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000000977 initiatory effect Effects 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
- G06F9/452—Remote windowing, e.g. X-Window System, desktop virtualisation
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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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04806—Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
Abstract
The invention discloses a Linux-compatible Android desktop sharing method and device, computer equipment and a storage medium, wherein Android applications launch a shared desktop; the Android side sends a message of initiating the shared desktop by the Android application to the Linux side through the socket; after receiving the message, the Linux side intercepts the desktop of the current Linux system as a frame of image at certain intervals, and sends the intercepted image to the Android side through socket; the Android side zooms the received image into the width and the height of a virtual display screen, and draws and displays the zoomed image; and displaying the shared desktop with the other party which initiates video communication with the Android application sharing the desktop on the Linux desktop. The Linux desktop is shared by the Linux compatible with the Android application and the other party of the video communication.
Description
Technical Field
The invention relates to the field of computer operating systems, in particular to a Linux-compatible Android desktop sharing method and device, computer equipment and a storage medium.
Background
When the android mobile phone user uses the conference application, the android mobile phone user can generally use the shared screen function, such as an Tencent conference, a nail and the like, and can share the screen content of the user to watch the screen content for participants during a video conference. However, in the Linux-compatible Android environment, when a user uses a conference application, the user can only share the content of the current application to watch the conference participants, and the user cannot share the content of the Linux desktop.
Disclosure of Invention
In order to solve the problem that a conference type Android application can share a Linux desktop in a Linux compatible Android environment, the invention provides a Linux compatible Android sharing desktop method and device, computer equipment and a storage medium.
In a first aspect, the invention provides a Linux-compatible Android desktop sharing method, which comprises the following steps:
the Android application launches a shared desktop; the Android application informs a framework layer of an Android system of creating a virtual display screen;
the Android side is used for monitoring that a virtual display screen is created through a module interacting with Linux, and the width and the height of an Android system default screen are set to be the same as those of the virtual display screen; the Android system default screen is an initial interface displayed after the Android system is started;
displaying the Android application initiating the shared desktop in the width and height which are the same as the width and height of the virtual display screen;
the Android side module used for interacting with the Linux sends a message that the Android application launches a shared desktop to the Linux side module used for communicating with the Android side through a socket; after receiving the message, a module of the Linux side, which is used for communicating with the Android side, intercepts a desktop of the current Linux system as a frame of image at intervals, and sends the intercepted image to a module of the Android side, which is used for interacting with the Linux, through a socket;
the Android side is used for zooming the received image into the width and the height of a virtual display screen by a module interacting with Linux, and drawing and displaying the zoomed image on an Android system default screen;
and displaying the shared desktop with the other party which initiates video communication with the Android application sharing the desktop on the Linux desktop.
Further, before the Android application initiates the sharing desktop, the method further includes:
the width and height of the virtual display screen are set to be 1280px and 720px respectively.
Further, the method sets the width and height of the default screen of the Android system to be the same as those of the virtual display screen, and specifically includes:
the initial width and height of the Android system default screen are 720px and 1280 px;
the width and the height of the default screen of the Android system are set to 1280px and 720px from initial values.
Further, the method further comprises:
when the Android application initiating the desktop sharing stops sharing the desktop, the Android application informs a framework layer of an Android system to remove a virtual display screen created before; the Android side module used for interacting with the Linux monitors that the Android system removes the virtual display screen, sends a message for stopping sharing the desktop to the Linux side module used for communicating with the Android side through the socket, and the Linux side module used for communicating with the Android side stops intercepting the desktop of the Linux system.
Further, in the method, the Android application which initiates the shared desktop is displayed with the same width and height as those of the virtual display screen, specifically:
and changing the Android application for launching the shared desktop from vertical screen display to horizontal screen display.
In a second aspect, the present invention provides a Linux-compatible Android shared desktop apparatus, including:
a memory for storing a program;
a processor for executing the program stored in the memory, the processor being configured to perform the steps of the above method when the program stored in the memory is executed.
In a third aspect, the present invention provides a computer device comprising a memory and a processor, the memory having stored therein computer-readable instructions which, when executed by the processor, cause the processor to perform the steps of the above method.
In a fourth aspect, the present invention provides a storage medium having stored thereon computer-readable instructions which, when executed by one or more processors, cause the one or more processors to perform the steps of the above-described method.
Compared with the prior art, the invention has the following advantages:
in the Linux-compatible Android environment, the conference Android application can share the Linux desktop, so that a user can watch the content shared by the Linux desktop through video communication, and the Android application using function of the Linux-compatible Android environment user is enriched.
Drawings
Fig. 1 is a schematic diagram of a method for sharing a desktop compatible with Linux and Android provided in an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a Linux-compatible Android shared desktop device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an update meeting initiated shared desktop running in Linux under Linux-compatible Android;
FIG. 4 is a schematic diagram of a shared desktop to be displayed when an Android system default screen is an initial width and height;
FIG. 5 is a schematic diagram of a shared desktop to be displayed after setting the width and the height of an Android system default screen;
fig. 6 is a schematic diagram of a shared desktop displayed by another party of video communication after the Android application initiating the shared desktop is set to be displayed on a landscape screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For the environment compatible with Android running on the Linux operating system, the Android running environment runs in a container.
A new Linux system (including other systems customized based on the Linux system, such as Android) can be operated in the Linux system through a container technology, and a client system and a host system are isolated from each other through the container. Different from the traditional scheme based on the virtual machine technology, in the container technology, the client system and the host system share resources such as a CPU (central processing unit), a memory, storage and the like, and the resource overhead is low. In addition, through proper configuration, the client system can directly access the hardware resource of the host, and the performance of the client system is further improved.
Display: providing information on reasonable pixel density and size of the display.
Surface: a carrier that handles data that needs to be displayed on a screen.
The virtual display screen VirtualDisplay represents a virtual display, the createVirtualDisplay () method of the DisplayManager class needs to be called to render the content of the virtual display on a Surface control, when the process is terminated, the virtual display is automatically released, and all windows are forcibly removed. When he is no longer in use, the release () method should be called to release the resource.
Android supports multiple screens: dominant, explicit and virtual displays, the virtual display is VirtualDisplay. The VirtualDisplay has many usage scenarios, such as screen recording and the like. The effect is to capture the content displayed on the screen. The VirtualDisplay captures screen content, and the implementation ways of the VirtualDisplay are many. An ImageReader is provided in the API to read the content in the VirtualDisplay.
In a Linux-compatible Android environment, after an Android system is started and restarted, a LocalDisplay is created and called as a default screen in the Android system, each Android application display window corresponds to an overlayDisplay, Android applications are displayed in the Linux system through the Android application display windows, a plurality of Android applications are independently displayed through the Android application display windows, and although the default screen exists, no Android application runs on the default screen, so that no corresponding display-window is displayed in the Linux system, namely the default screen cannot be seen on a Linux desktop. The default screen is only 1, the OverlayDisplay is multiple, and the size of the Virtualdisplay can be set arbitrarily. The Overlay screen does not correspond to the actual physical screen device, that is, there is no framebuffer device corresponding to the Overlay screen, and a layer is created on the layerstack of the actual screen device as a display carrier of the virtual screen.
Fig. 1 is a method for sharing a desktop compatible with Android in Linux provided in an embodiment of the present invention, where the method includes:
the Android application launches a shared desktop; the Android application informs a framework layer of an Android system of creating a virtual display screen;
the Android side is used for monitoring that a virtual display screen is created through a module interacting with Linux, and the width and the height of an Android system default screen are set to be the same as those of the virtual display screen; the Android system default screen is an initial interface displayed after the Android system is started;
displaying the Android application initiating the shared desktop in the width and height which are the same as the width and height of the virtual display screen;
the Android side module used for interacting with the Linux sends a message that the Android application launches a shared desktop to the Linux side module used for communicating with the Android side through a socket; after receiving the message, a module of the Linux side, which is used for communicating with the Android side, intercepts a desktop of the current Linux system as a frame of image at intervals, and sends the intercepted image to a module of the Android side, which is used for interacting with the Linux, through a socket;
the Android side is used for zooming the received image into the width and the height of a virtual display screen by a module interacting with Linux, and drawing and displaying the zoomed image on an Android system default screen;
and displaying the shared desktop with the other party which initiates video communication with the Android application sharing the desktop on the Linux desktop.
Further, before the Android application initiates the sharing desktop, the method further includes:
the width and height of the virtual display screen are set to be 1280px and 720px respectively.
Further, the method sets the width and height of the default screen of the Android system to be the same as those of the virtual display screen, and specifically includes:
the initial width and height of the Android system default screen are 720px and 1280 px;
the width and the height of the default screen of the Android system are set to 1280px and 720px from initial values.
Further, the method further comprises:
when the Android application initiating the desktop sharing stops sharing the desktop, the Android application informs a framework layer of an Android system to remove a virtual display screen created before; the Android side module used for interacting with the Linux monitors that the Android system removes the virtual display screen, sends a message for stopping sharing the desktop to the Linux side module used for communicating with the Android side through the socket, and the Linux side module used for communicating with the Android side stops intercepting the desktop of the Linux system.
Further, in the method, the Android application which initiates the shared desktop is displayed with the same width and height as those of the virtual display screen, specifically:
and changing the Android application for launching the shared desktop from vertical screen display to horizontal screen display.
Fig. 2 is a Linux-compatible Android shared desktop apparatus provided in an embodiment of the present invention, where the apparatus includes:
a memory for storing a program;
a processor for executing the program stored in the memory, the processor being configured to perform the steps of the above method when the program stored in the memory is executed.
Furthermore, an embodiment of the present invention provides a computer device, including a memory and a processor, where the memory stores computer-readable instructions, and the computer-readable instructions, when executed by the processor, cause the processor to execute the steps of the above method.
Embodiments of the present invention provide a storage medium storing computer-readable instructions which, when executed by one or more processors, cause the one or more processors to perform the steps of the above-described method.
Fig. 3 is a schematic diagram of the shared desktop initiated by the Tencent conference running in Linux under Linux-compatible Android.
FIG. 4 is a schematic diagram of a shared desktop to be displayed when an Android system default screen is an initial width and height; the Android system defaults to the initial width and height of the screen as 720px and 1280px, and is in a vertical screen display mode.
FIG. 5 is a schematic diagram of a shared desktop to be displayed after setting the width and the height of an Android system default screen; after setting, the width and the height of the default screen of the Android system are set to 1280px and 720px from initial values, and the default screen is in a horizontal screen display mode.
Fig. 6 is a schematic diagram of a shared desktop displayed by another party of video communication after the Android application initiating the shared desktop is set to be displayed on a landscape screen. The width and the height of the virtual display screen are set to be 1280px and 720px respectively; and displaying the Android application initiating the shared desktop at the width and height which are the same as the width and height of the virtual display screen, namely setting the Android application initiating the shared desktop from a vertical screen mode to a horizontal screen mode.
Setting the width and the height of the virtual display screen to be 1280px and 720px (horizontal screen mode), setting the Android system default screen from the vertical screen to the horizontal screen, setting the Android application initiating the shared desktop from the vertical screen mode to the horizontal screen mode, and the like, and finally displaying the content shared by the Linux desktop by the other party in video communication with the Android application on the Linux as shown in fig. 6.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A Linux-compatible Android desktop sharing method is characterized by comprising the following steps:
the Android application launches a shared desktop; the Android application informs a framework layer of an Android system of creating a virtual display screen;
the Android side is used for monitoring that a virtual display screen is created through a module interacting with Linux, and the width and the height of an Android system default screen are set to be the same as those of the virtual display screen; the Android system default screen is an initial interface displayed after the Android system is started;
displaying the Android application initiating the shared desktop in the width and height which are the same as the width and height of the virtual display screen;
the Android side module used for interacting with the Linux sends a message that the Android application launches a shared desktop to the Linux side module used for communicating with the Android side through a socket; after receiving the message, a module of the Linux side, which is used for communicating with the Android side, intercepts a desktop of the current Linux system as a frame of image at intervals, and sends the intercepted image to a module of the Android side, which is used for interacting with the Linux, through a socket;
the Android side is used for zooming the received image into the width and the height of a virtual display screen by a module interacting with Linux, and drawing and displaying the zoomed image on an Android system default screen;
and displaying the shared desktop with the other party which initiates video communication with the Android application sharing the desktop on the Linux desktop.
2. The Linux-compatible Android shared desktop method of claim 1, further comprising, before the Android application initiates the shared desktop:
the width and height of the virtual display screen are set to be 1280px and 720px respectively.
3. The Linux-compatible Android desktop sharing method of claim 2, wherein the method sets the width and height of an Android system default screen to be the same as those of a virtual display screen, and specifically comprises the following steps:
the initial width and height of the Android system default screen are 720px and 1280 px;
the width and the height of the default screen of the Android system are set to 1280px and 720px from initial values.
4. The Linux-compatible Android sharing desktop method of claim 1, further comprising:
when the Android application initiating the desktop sharing stops sharing the desktop, the Android application informs a framework layer of an Android system to remove a virtual display screen created before; the Android side module used for interacting with the Linux monitors that the Android system removes the virtual display screen, sends a message for stopping sharing the desktop to the Linux side module used for communicating with the Android side through the socket, and the Linux side module used for communicating with the Android side stops intercepting the desktop of the Linux system.
5. The Linux-compatible Android sharing desktop method of claim 1, wherein in the method, the Android application initiating the sharing desktop is displayed with a width and a height that are the same as the width and the height of the virtual display screen, specifically:
and changing the Android application for launching the shared desktop from vertical screen display to horizontal screen display.
6. A Linux-compatible Android shared desktop appliance, the appliance comprising:
a memory for storing a program;
a processor for executing the program stored in the memory, the processor being adapted to perform the steps of the method according to any of claims 1 to 5 when the program stored in the memory is executed.
7. A computer device comprising a memory and a processor, the memory having stored therein computer-readable instructions that, when executed by the processor, cause the processor to perform the steps of the method of any one of claims 1 to 5.
8. A storage medium storing computer-readable instructions which, when executed by one or more processors, cause the one or more processors to perform the steps of the method of any one of claims 1 to 5.
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