CN110515667B - Terminal dual-system display switching method based on linux kernel and terminal dual-system - Google Patents
Terminal dual-system display switching method based on linux kernel and terminal dual-system Download PDFInfo
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- CN110515667B CN110515667B CN201910792267.1A CN201910792267A CN110515667B CN 110515667 B CN110515667 B CN 110515667B CN 201910792267 A CN201910792267 A CN 201910792267A CN 110515667 B CN110515667 B CN 110515667B
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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
- G06F9/4401—Bootstrapping
- G06F9/4406—Loading of operating system
- G06F9/441—Multiboot arrangements, i.e. selecting an operating system to be loaded
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention relates to a terminal dual-system display switching method and a terminal dual-system based on a Linux kernel, wherein an Android application system is installed in the Linux system in a software package mode through a software package manager of the Linux system; the Android application system comprises a hardware abstraction layer, an Android runtime library and an Android framework layer from bottom to top; configuring a graphic server and a display control service program in a Linux system; when the application program is operated, the hardware abstraction layer distributes a bottom access interface for the application program, the graphic server sends a display control request according to the application program, and the display control service program responds to the request and switches display. In the invention, the Linux and the Android system share the same kernel, thereby reducing the system complexity of adopting independent dual systems and improving the system switching and program execution efficiency. The Linux graphic system and the Android graphic system are seamlessly switched and displayed through the graphic server and the display control service program, and the operation is efficient and convenient when different system applications are switched.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to a linux kernel-based terminal dual-system display switching method and a terminal dual-system.
Background
Automobile central control products (such as Tesla) developed based on a Linux system are all known for high efficiency and stability, and meet the requirement of high safety of automobile central control on control application. However, as the automobile is developed towards intellectualization and networking, the demand of the user for diversification of the application of the vehicle-mounted terminal conflicts with the current situation that the Linux application is ecologically deficient. Meanwhile, the Android application system developed based on linux occupies more than 80% of the mobile terminal market with abundant applications.
In order to solve the problems, the Linux system is considered to have urgent practical significance for compatible operation of Android application, and at present, only experimental schemes all adopt a virtual machine or a mode of restarting and switching two sets of systems to achieve the purpose of compatibility, but the schemes cannot meet the requirements of high efficiency, easiness in use, safety and reliability of an automobile central control system.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a terminal dual-system display switching method based on a linux kernel and a terminal dual-system.
The technical scheme for solving the technical problems is as follows:
in a first aspect, the invention provides a terminal dual-system display switching method based on a linux kernel, which comprises the following steps:
installing the Android application system into the Linux system in a software package mode through a software package manager of the Linux system; the Android application system comprises a hardware abstraction layer, an Android runtime library and an Android frame from bottom to top; a graphic server is configured in the Linux system; the Linux system kernel comprises a Linux system driver and an Android application system driver;
running an application program, wherein the hardware abstraction layer allocates a bottom layer access interface for the application program and calls a corresponding driver in a Linux system kernel to drive bottom layer hardware resources; and the graphic server sends a display control request according to the application program.
The invention has the beneficial effects that: the Android application system is installed in the Linux system in a software package mode, so that the Linux and the Android system share the same kernel, for application programs and desktop display, the method comprises two sets of systems, however, in the system architecture level, only one Linux kernel-based system architecture is created, the system complexity of adopting independent double systems is reduced, the system switching efficiency and the program execution efficiency are improved, and meanwhile, the Android system can be safely isolated, reset and upgraded by dynamically installing the Android system in a single software package mode. The safety of the terminal system and the fault-tolerant capability of the whole vehicle-mounted terminal system are improved. The Linux system and the Android system can be switched and displayed at will through the graphic server, and the operation is efficient and convenient when different system applications are switched.
Furthermore, the graphics server comprises a linux graphics server and an Android graphics server;
and when the application program is operated, selecting the linux graphic server or the Android graphic server to send a display control request according to different types of operating systems to which the application program belongs.
Further, after the Android application system is installed in the Linux system in a software package manner by the software package manager of the Linux system, the method further includes:
configuring a display control service program in the Linux system, responding to the request of the Linux graphic server or the Android graphic server, and switching desktop display to an operating system graphic interface corresponding to an application program;
the display control service program sets a system switching interface on a system desktop;
and when receiving a switching instruction input by the system switching interface, the display control service program switches the graphical interface of the current operating system and transfers the display control right to the graphical server corresponding to the switched operating system.
Further, the instruction input mode of the system switching interface includes: setting a virtual function button for inputting a specific instruction on a system desktop, and collecting specific gesture information on a desktop display screen to input the specific instruction.
In a second aspect, the present invention provides a terminal dual system based on linux kernel, including:
the application layer is used for installing a Linux application program and an Android application program;
the application service layer is configured with a graphic server and provides graphic display service for the Linux application program and the Android application program; installing an Android application system in a software package mode, and uniformly distributing bottom layer access interfaces for Linux application programs and Android application programs;
a Linux runtime library;
the system kernel is based on a Linux kernel and is provided with a drive module required for running the Android application system; the system is used for responding to the service request of the application service layer and calling the bottom hardware resource;
the Android application system comprises a hardware abstraction layer, an Android runtime library and an Android frame from bottom to top; the hardware abstraction layer allocates a bottom access interface for the application program, and calls a driver in the system kernel to drive bottom hardware resources.
The invention has the beneficial effects that: the Android application system is installed in a Linux system in a software package mode, so that the Linux system and the Android system share the same kernel, for application programs and desktop display, the method comprises two systems, however, from the system architecture level, the system only comprises a system architecture based on the Linux kernel, virtual hardware codes are compiled for each hardware in a Hardware Abstraction Layer (HAL), when the hardware in the application programs needs to be accessed, the Hardware Abstraction Layer (HAL) is accessed firstly, a bottom access interface is distributed for the application programs by the hardware abstraction layer, and then the hardware abstraction layer communicates with service programs in the Linux system to complete corresponding work. Therefore, the problem that when the Linux system application is switched to the Anndroid system application when accessing the bottom hardware, an error occurs when accessing the same hardware device is avoided. The implementation mode of the system reduces the system complexity of adopting independent dual systems, improves the system switching and program execution efficiency, and can safely isolate, reset and upgrade the Android system running environment by dynamically installing the Andorid application system in a single software package mode. The safety of the terminal system and the fault-tolerant capability of the whole terminal system are improved. The Linux system and the Android system can be switched and displayed at will through the graphic server, and the operation is efficient and convenient when different system applications are switched.
Further, the graphics server comprises a linux graphics server and an Android graphics server; and when the application program is operated, selecting the linux graphic server or the Android graphic server to provide graphic display service for the application program according to different types of operating systems to which the application program belongs, and sending a display control request.
Further, the application service layer is further configured with: the display control service module is used for responding to the display control request of the Linux graphic server or the Android graphic server and switching desktop display to an operating system graphic interface corresponding to an application program; the system desktop is used for setting a system switching interface;
and when receiving a switching instruction input by the system switching interface, the display control service module switches the graphical interface of the current operating system and transfers the display control right to the graphical server corresponding to the switched operating system.
Further, the instruction input mode of the system switching interface includes: setting a virtual function button for inputting a specific instruction on a system desktop, and collecting specific gesture information on a desktop display screen to input the specific instruction.
Drawings
Fig. 1 is a flowchart of a terminal dual-system display switching method based on a linux kernel according to an embodiment of the present invention;
fig. 2 is a terminal dual-system architecture diagram based on a linux kernel according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example one
As shown in fig. 1, an embodiment of the present invention provides a terminal dual-system display switching method based on a linux kernel, including the following steps:
s100, installing an Android application system into a Linux system in a software package mode through a software package manager of the Linux system; the Android application system comprises a hardware abstraction layer, an Android runtime library and an Android framework layer from bottom to top;
a graphic server is configured in the Linux system; the Linux system kernel comprises a Linux system driver and an Android application system driver.
The Android system is dynamically installed in a single software package mode, and the Android system running environment can be safely isolated, reset and upgraded. The safety of the terminal system and the fault-tolerant capability of the whole terminal system are improved.
S200, configuring a graph server, and respectively creating a linux graph server and an Android graph server for the linux system and the Android system; and when the application program is operated, selecting the linux graphic server or the Android graphic server to send a display control request according to different types of operating systems to which the application program belongs.
When a Linux application program is operated, the hardware abstraction layer distributes a bottom layer access interface for the Linux application program and calls a Linux driver in a Linux system kernel to drive bottom layer hardware resources; the Linux graphic server sends a display control request;
when the Android application program is operated, the hardware abstraction layer distributes a bottom layer access interface for the Android application program, and an Android application system driver in a Linux system kernel is called to drive bottom layer hardware resources; and the Android graphics server sends a display control request.
The hardware abstraction layer distributes a bottom access interface for the application program, links a top application, a bottom driver and hardware equipment resources, and can respectively run the linux application program and the Android application program, the graphics server comprises a linux system image server and an Android system image server, and when the application program sends a service request, the linux graphics server or the Android graphics server is selected to send a display control request according to different types of operating systems to which the application program belongs, so that seamless switching operation of the dual-system application is achieved.
And S300, configuring a display control service program in the Linux system, responding to the request of the Linux graphic server or the Android graphic server, and switching desktop display to an operating system graphic interface corresponding to an application program.
The display control service program sets a system switching interface on a system desktop; and when a switching instruction input by the system switching interface is received, switching the application desktop of the current operating system, and transferring the display control right to the graphic server corresponding to the switched operating system.
The instruction input mode of the system switching interface comprises the following steps: setting a virtual function button for inputting a specific instruction on a system desktop, and collecting specific gesture information on a desktop display screen to input the specific instruction. For example, the system switching interface may be a virtual button arranged at the upper left corner of the system desktop, and if the current system desktop is affiliated to the Linux system, when the user clicks the virtual button, the current Linux operating system graphical interface is switched, and the display control right is transferred to the Android graphical server corresponding to the Android operating system. Or if the terminal display screen is a touch display screen, a system switching function corresponding to specific gesture information can be preset, and if the current system desktop is subordinate to the Linux system, when the specific gesture information input by the user is acquired by the terminal display screen, the current Linux operating system graphical interface is switched, and the display control right is transferred to an Android graphical server corresponding to the Android operating system.
According to the embodiment of the invention, the Android application system is installed in the Linux system in a software package manner, so that the Linux and the Android system share the same kernel, the system complexity of adopting independent dual systems is reduced, the system switching efficiency and the program execution efficiency are improved, and meanwhile, the Android system is dynamically installed in a single software package manner, so that the Android system operation environment can be safely isolated, reset and upgraded. The safety of the terminal system and the fault-tolerant capability of the whole terminal system are improved. The Linux system and the Android system can be switched and displayed at will through the graphic server and the display control service program, and the operation is efficient and convenient when different system applications are switched.
Example two
As shown in fig. 2, an embodiment of the present invention provides a terminal system based on a linux kernel, which includes, from top to bottom: the system comprises an application layer, an application service layer, a Linux runtime library, a Linux kernel and bottom hardware.
The application layer is used for installing a Linux application program and an Android application program;
a display control service module and a graphic server are configured in the application service layer;
and when the graphic server comprises a linux graphic server and an Android graphic server and runs an application program, selecting the linux graphic server or the Android graphic server to send a display control request according to different types of operating systems to which the application program belongs.
The display control service module is used for responding to the request of the Linux graphic server or the Android graphic server and switching desktop display to an operating system graphic interface corresponding to an application program; the system switching interface is arranged on the system desktop.
Meanwhile, the application service layer is provided with an Android application system in a software package mode, and the Android application system comprises a hardware abstraction layer, an Android runtime library and an Android frame from bottom to top; the hardware abstraction layer allocates a bottom access interface for an application program, and calls a driver in a system kernel to drive bottom hardware resources; the Android system is dynamically installed in a single software package mode, and the Android system running environment can be safely isolated, reset and upgraded. The safety of the terminal system and the fault-tolerant capability of the whole terminal system are improved. The system kernel is based on a Linux kernel and is provided with a drive module required for running the Android application system; and the system is used for responding to the service request of the application service layer and calling the bottom hardware resource.
The Android application system further comprises a hardware abstraction layer, an Android runtime library and an Android frame from bottom to top; the hardware abstraction layer allocates a bottom layer access interface for an application program and calls a driver in a system kernel to drive bottom layer hardware resources;
virtual hardware code is written for each type of hardware in the hardware abstraction layer. When the application program needs to access hardware, a Hardware Abstraction Layer (HAL) is accessed firstly, a bottom access interface is distributed for the application program by the hardware abstraction layer, then the hardware abstraction layer is communicated with a service program in a Linux system, and a driver in a system kernel is called to drive bottom hardware resources to complete corresponding work.
The instruction input mode of the system switching interface comprises the following steps: setting a virtual function button for inputting a specific instruction on a system desktop, and collecting specific gesture information on a desktop display screen to input the specific instruction.
According to the system architecture, the Android application system is installed in the Linux system in a software package mode, so that the Linux and the Android system share the same kernel, for application programs and desktop display, the method comprises two sets of systems, however, the system only comprises a system architecture based on the Linux kernel from the system architecture level, a hardware virtual layer (HAL) compiles virtual hardware codes for each hardware, when the hardware needs to be accessed in the application programs, the Hardware Abstraction Layer (HAL) is accessed firstly, a bottom layer access interface is distributed for the application programs by the hardware abstraction layer, and then the hardware abstraction layer communicates with a service program in the Linux system to complete corresponding work. Therefore, the problem that when the Linux system application is switched to the Anndroid system application when accessing the bottom hardware, an error occurs when accessing the same hardware device is avoided. The system has the advantages that the system complexity of the independent dual system is reduced, the system switching efficiency and the program execution efficiency are improved, and meanwhile, the Android application system is dynamically installed in a single software package mode, so that the Android system running environment can be safely isolated, reset and upgraded. The safety of the terminal system and the fault-tolerant capability of the whole terminal system are improved. The Linux system and the Android system can be switched and displayed at will through the graphic server, and the operation is efficient and convenient when different system applications are switched.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A terminal dual-system display switching method based on a linux kernel is characterized by comprising the following steps:
installing the Android application system into the Linux system in a software package mode through a software package manager of the Linux system; the Android application system comprises a hardware abstraction layer, an Android runtime library and an Android framework layer from bottom to top;
configuring a graphics server in the Linux system; the Linux system kernel comprises a Linux system driver and an Android application system driver;
running an application program, wherein the hardware abstraction layer allocates a bottom layer access interface for the application program and calls a corresponding driver in a Linux system kernel to drive bottom layer hardware resources; the graphic server sends a display control request according to the application program;
the graphics server comprises a linux graphics server and an Android graphics server;
when an application program is operated, selecting the linux graphic server or the Android graphic server to send a display control request according to different types of operating systems to which the application program belongs;
after the Android application system is installed into the Linux system in a software package manner through the software package manager of the Linux system, the method further comprises the following steps:
configuring a display control service program in the Linux system, responding to the request of the Linux graphic server or the Android graphic server, and switching desktop display to an operating system graphic interface corresponding to an application program;
the display control service program sets a system switching interface on a system desktop;
and when receiving a switching instruction input by the system switching interface, the display control service program switches the graphical interface of the current operating system and transfers the display control right to the graphical server corresponding to the switched operating system.
2. The method of claim 1, wherein the command input mode of the system switching interface comprises: and setting a virtual function button for inputting a specific instruction on the desktop display window, and acquiring specific gesture information on a desktop display screen to input the specific instruction.
3. The terminal dual system based on the linux kernel is characterized by sequentially comprising from top to bottom:
the application layer is used for installing a Linux application program and an Android application program;
the system comprises an application service layer, a data processing layer and a data processing layer, wherein the application service layer is provided with a graphics server and provides graphics display service for a Linux application program and an Android application program, the Android application system is installed in a software package mode, and bottom layer access interfaces are uniformly distributed for the Linux application program and the Android application program;
a Linux runtime library;
the system kernel is based on a Linux kernel and is provided with a drive module required for running the Android application system; the system comprises a service layer, a data processing layer and a data processing layer, wherein the service layer is used for responding to a service request of the application service layer and calling a bottom layer hardware resource;
the Android application system comprises a hardware abstraction layer, an Android runtime library and an Android frame from bottom to top; the hardware abstraction layer allocates a bottom layer access interface for an application program and calls a driver in a system kernel to drive bottom layer hardware resources;
the graphics server comprises a linux graphics server and an Android graphics server;
when an application program is operated, selecting the linux graphic server or the Android graphic server to provide graphic display service according to different types of operating systems to which the application program belongs, and sending a display control request;
the application service layer is further configured with:
the display control service module is used for responding to the request of the Linux graphic server or the Android graphic server and switching desktop display to an operating system graphic interface corresponding to an application program; the system desktop is used for setting a system switching interface;
and when receiving a switching instruction input by the system switching interface, the display control service module switches the graphical interface of the current operating system and transfers the display control right to the graphical server corresponding to the switched operating system.
4. The system of claim 3, wherein the command input mode of the system switching interface comprises: and setting a virtual function button for inputting a specific instruction on the desktop display window, and acquiring specific gesture information on a desktop display screen to input the specific instruction.
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| CN111195919B (en) * | 2019-12-13 | 2021-06-01 | 上海捷勃特机器人有限公司 | Robot teaching platform and construction method thereof |
| CN113534744A (en) * | 2020-04-13 | 2021-10-22 | 沈机（上海）智能系统研发设计有限公司 | Software architecture and hardware architecture for forming numerical control system |
| CN112463897B (en) * | 2020-10-14 | 2023-06-02 | 麒麟软件有限公司 | Method and system for redirecting positioning data |
| CN112231001A (en) | 2020-10-14 | 2021-01-15 | 佛吉亚歌乐电子(佛山)有限公司 | Vehicle dual-system compatible control method and system, storage medium and vehicle-mounted terminal |
| CN112269604B (en) * | 2020-11-11 | 2021-06-01 | 北京技德系统技术有限公司 | Window interaction method and device for compatibly running Android application on Linux |
| CN112612536B (en) * | 2020-12-15 | 2022-11-18 | 麒麟软件有限公司 | Method and device for controlling camera shooting based on Android application program in Linux system |
| CN113505007A (en) * | 2021-07-12 | 2021-10-15 | 北京鲸鲮信息系统技术有限公司 | Protocol stack data transmission method based on Linux system, computer equipment and storage medium |
| CN113641437B (en) * | 2021-08-16 | 2023-06-16 | 深圳技德智能科技研究院有限公司 | Android-compatible application interface rotation method and device for Linux |
| CN113590363B (en) * | 2021-09-26 | 2022-02-25 | 北京鲸鲮信息系统技术有限公司 | Data transmission method, device, electronic equipment and storage medium |
| CN113741850B (en) * | 2021-11-03 | 2022-01-25 | 展讯通信（上海）有限公司 | Multi-screen display control method and device and computer readable storage medium |
| CN114302055A (en) * | 2021-12-14 | 2022-04-08 | 北京鲸鲮信息系统技术有限公司 | Linux-based camera control method, device, equipment and storage medium |
| CN114546513A (en) * | 2022-01-04 | 2022-05-27 | 合肥杰发科技有限公司 | Display method and display system based on operating system |
| CN117234655B (en) * | 2023-11-13 | 2024-01-26 | 成都阿加犀智能科技有限公司 | Method, device, equipment and medium for running Linux desktop program based on android system |
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