CN105739964A - Implementation method for supporting version compatibility control based on Android platform - Google Patents
Implementation method for supporting version compatibility control based on Android platform Download PDFInfo
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Abstract
The invention discloses an implementation method for supporting version compatibility control based on an Android platform. The implementation method is implemented based on the core layer, hardware abstraction layer, the application framework layer and the application program layer of the Android system; via the version control comprehensive implementation scheme, a plurality of hardware and software versions are effectively controlled and managed in a unified manner, the error probability caused by simultaneously maintaining the plurality of versions is reduced, the stability and robustness of the whole system are improved, the version management control can be achieved in the core implementation layer and the application program code only according to the hardware version number, thus the usage and implementation are facilitated; and the comprehensive implementation scheme employs the standard and flexible structural design, thus the subsequent maintenance and extension are facilitated. According to the invention, the version compatibility method based on the Android system platform for ensuring that the system recognizes the correct hardware version is implemented.
Description
Technical field
The present invention relates to software and hardware edition compatibility field, realize method particularly to a kind of based on what Android platform support edition compatibility controlled.
Background technology
Continuous change due to application function demand, and the update upgrading of embedded device hardware, the version quantity making the hardware and software based on embedded device sharply increases, therefore software development (includes system platform software development and applied software development), and personnel need to be responsible for the synchronized update for multiple hardware and software versions and maintenance simultaneously, not only workload is huge, and the probability made mistakes because safeguarding multiple version simultaneously is also greatly increased, and brings very big hidden danger to the stability of device product.
Android operation system is specifically designed for cell phone platform and develops, and mobile phone hardware system immobilizes owing to its ecological environment is easily done, and therefore Android system does not provide the mechanism of comprehensive management being specifically designed for whole software and hardware version.In addition, although edition compatibility in a way can be realized by some universal process methods that code realizes, but there is very big limitation in these methods, for instance the Version Control being specifically designed for application program part cannot consider that kernel implementation status maybe cannot obtain the shortcomings such as hardware information and deficiency.
Summary of the invention
It is an object of the invention to overcome the deficiency of prior art, it is provided that a kind of based on Android platform support edition compatibility control realize method, for the integrated management approach of whole software and hardware Version Control, efficiently solve the edition compatibility control problem of Android system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of based on Android platform support edition compatibility control realize method, the four-layer structure being based on the inner nuclear layer of Android system, hardware abstraction layer, application framework layer and application layer realizes；
AD hardware accesses the platform being equipped with Android system, and according to different hardware configuration versions, the resistance connecting different resistance on AD samples pin is distinguish between and generates one " the AD value scope-hardware version numbers " synopsis with uniqueness；
In inner nuclear layer, described inner nuclear layer includes core A D sampling and drives and kernel realization, it is drive, by AD sampling, the AD value carrying out sampling and obtain Current hardware configuration that described core A D sampling drives, the AD value obtained is mated with described " AD value scope-hardware version numbers " synopsis, obtain current hardware version numbers, and the hardware version numbers got is saved in global variable and accesses use for the local process in kernel realization and hardware abstraction layer；Described kernel realizes, and is the hardware version numbers current by accessing global variable acquisition, and performs different software-driven configurations according to different hardware version numbers, it is ensured that the hardware configuration version that kernel code runs version corresponding with this hardware version numbers matches；
In hardware abstraction layer, the local process of hardware abstraction layer creates a read-only system property variable, by obtaining the hardware version numbers that the global variable in inner nuclear layer preserves, preserves this hardware version numbers to Android system property variable；
In application framework layer, including system service attribute, it is for the acquisition of application providing system attribute and interface is set；
In application layer, application program obtains hardware version numbers information by the operation interface of system property, and the hardware version numbers information according to this acquisition runs corresponding application software configuration.
Preferably, in inner nuclear layer, described core A D sampling is driven through the AD value that following steps determine that Current hardware configures:
(1) carry out multiple repairing weld and obtain the AD value of Current hardware configuration；
(2) if the deviation between multiple repairing weld value is all in preset deviation range, then calculating the meansigma methods of multiple repairing weld, this meansigma methods is the AD value of Current hardware configuration；If the deviation between multiple repairing weld value exceedes predetermined deviation range, then repeat step (1).
Preferably, described AD samples and drives driving of being sampled by multiple AD to constitute, if one of them AD sampling drives sample error, it will starts another AD sampling driving and samples.
Preferably, the determination step of the hardware version numbers in AD sampling driving in described inner nuclear layer is:
(1) " AD value scope-hardware version numbers " synopsis generated in search device hardware；
(2) the AD value driving the described Current hardware obtained to configure of being sampled by AD is compared with the defined AD value being somebody's turn to do in " AD value scope-hardware version numbers " synopsis, if the AD value of hardware configuration is in " AD value scope-hardware version numbers " synopsis, then determine and obtain current hardware version numbers, otherwise perform step (3)；
(3) current hardware version numbers is arranged to the default hardware version number preset.
The invention has the beneficial effects as follows:
1., by the comprehensive implementation of this Version Control, effectively multiple hardware and software versions are carried out unified control and management, efficiently solve the edition compatibility control problem of Android system.
2. consider the objective necessity that Android system carrying platform application demand changes and module hardware updates, this programme considerably reduces the release maintenance cost of software system, only just need to can accomplish compatible all software and hardware versions forward by a software version.
3. greatly reduce and cause, because safeguarding multiple version simultaneously, the probability made mistakes, drastically increase stability and the vigorousness of whole system.
4. kernel realizes only just need to realize version management control according to hardware version numbers in layer and application code, it is easy to uses and realizes.
5. comprehensive implementation employing standard and flexibly architecture Design, be highly susceptible to follow-up maintenance and extension.
6. the AD sampling of the present invention adopts Redundancy Design, uses multiple AD sampling driving to sample, it is ensured that system may identify which correct hardware version.
Below in conjunction with drawings and Examples, the present invention is described in further detail；But based on Android platform, a kind of of the present invention supports that the method that realizes that edition compatibility controls is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the structured flowchart realizing the present invention.
Detailed description of the invention
Embodiment
Shown in Figure 1, a kind of of the present invention realizes method based on what Android platform support edition compatibility controlled, and the four-layer structure being based on the inner nuclear layer 10 of Android system, hardware abstraction layer 20, application framework layer 30 and application layer 40 realizes；
AD hardware 50 accesses the platform being equipped with Android system, and according to different hardware configuration versions, the resistance connecting different resistance on AD samples pin is distinguish between and generates one " the AD value scope-hardware version numbers " synopsis with uniqueness；
In inner nuclear layer 10, described inner nuclear layer 10 includes core A D sampling driving and kernel realizes 102, it is drive the 101 AD values carrying out sampling and obtaining Current hardware configuration by AD sampling that described core A D sampling drives, the AD value of the hardware configuration obtained is mated with described " AD value scope-hardware version numbers " synopsis, obtain current hardware version numbers, and the hardware version numbers got is saved in global variable 103 and accesses use for the local process in kernel realization and hardware abstraction layer；Described kernel realizes 102, it is obtain current hardware version numbers by access global variable 103, and performing different software-driven configurations according to different hardware version numbers, it is ensured that the hardware configuration version that kernel code runs version corresponding with this hardware version numbers matches；
In hardware abstraction layer 20, the local process 201 of hardware abstraction layer creates a read-only system property variable, by obtaining the hardware version numbers that the global variable 103 in inner nuclear layer preserves, preserves this hardware version numbers to Android system property variable；
In application framework layer 30, including system service attribute 301, it is for the acquisition of application providing system attribute and interface is set；
In application layer 40, application program obtains hardware version numbers information by the operation interface of the system property in application framework layer 30, and the hardware version numbers information according to this acquisition runs corresponding application software configuration.
Further, in inner nuclear layer 10, described AD sampling drives 101 to determine, by following steps, the AD value that Current hardware configures:
(1) carry out multiple repairing weld and obtain the AD value of Current hardware configuration；
(2) if the deviation between multiple repairing weld value is all in preset deviation range, then calculating the meansigma methods of multiple repairing weld, this meansigma methods is the AD value of Current hardware configuration；If the deviation between multiple repairing weld value exceedes predetermined deviation range, then repeat step (1).
Further, described AD samples and drives 101 to be made up of multiple AD sampling driving, if one of them AD sampling drives sample error, it will starts another AD sampling driving and samples.
Further, the determination step of the hardware version numbers in AD sampling driving 101 in described inner nuclear layer 10 is:
(1) " AD value scope-hardware version numbers " synopsis generated in search device hardware；
(2) the AD value driving the described Current hardware of 101 acquisitions to configure of being sampled by AD and the defined AD value being somebody's turn to do in " AD value scope-hardware version numbers " synopsis are compared, if the AD value of hardware configuration is in " AD value scope-hardware version numbers " synopsis, then determine and obtain current hardware version numbers, otherwise perform step (3)；
(3) current hardware version numbers is arranged to the default hardware version number preset.
Above-described embodiment is only used for further illustrating a kind of of the present invention and realizes method based on what Android platform support edition compatibility controlled; but the invention is not limited in embodiment; every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, each falls within the protection domain of technical solution of the present invention.
Claims (4)
1. realizing a method based on what Android platform support edition compatibility controlled, the four-layer structure being based on the inner nuclear layer of Android system, hardware abstraction layer, application framework layer and application layer realizes, it is characterised in that:
AD hardware accesses the platform being equipped with Android system, and according to different hardware configuration versions, the resistance connecting different resistance on AD samples pin is distinguish between and generates one " the AD value scope-hardware version numbers " synopsis with uniqueness；
In inner nuclear layer, described inner nuclear layer includes core A D sampling and drives and kernel realization, it is drive, by AD sampling, the AD value carrying out sampling and obtain Current hardware configuration that described core A D sampling drives, the AD value obtained is mated with described " AD value scope-hardware version numbers " synopsis, obtain current hardware version numbers, and the hardware version numbers got is saved in global variable and accesses use for the local process in kernel realization and hardware abstraction layer；Described kernel realizes, and is the hardware version numbers current by accessing global variable acquisition, and performs different software-driven configurations according to different hardware version numbers, it is ensured that the hardware configuration version that kernel code runs version corresponding with this hardware version numbers matches；
In hardware abstraction layer, the local process of hardware abstraction layer creates a read-only system property variable, by obtaining the hardware version numbers that the global variable in inner nuclear layer preserves, preserves this hardware version numbers to Android system property variable；
In application framework layer, including system service attribute, it is for the acquisition of application providing system attribute and interface is set；
In application layer, application program obtains hardware version numbers information by the operation interface of system property, and the hardware version numbers information according to this acquisition runs corresponding application software configuration.
2. according to claim 1 a kind of support that what edition compatibility controlled realizes method based on Android platform, it is characterised in that: in inner nuclear layer, described core A D sampling is driven through the AD value that following steps determine that Current hardware configures:
(1) carry out multiple repairing weld and obtain the AD value of Current hardware configuration；
(2) if the deviation between multiple repairing weld value is all in preset deviation range, then calculating the meansigma methods of multiple repairing weld, this meansigma methods is the AD value of Current hardware configuration；If the deviation between multiple repairing weld value exceedes predetermined deviation range, then repeat step (1).
3. according to claim 1 and 2 a kind of based on Android platform support edition compatibility control realize method, it is characterized in that: described AD sampling drives driving of being sampled by multiple AD to constitute, if one of them AD sampling drives sample error, it will start another AD sampling driving and sample.
4. according to claim 2 a kind of support that what edition compatibility controlled realizes method based on Android platform, it is characterised in that: AD in described inner nuclear layer sampling drive in the determination step of hardware version numbers be:
(1) " AD value scope-hardware version numbers " synopsis generated in search device hardware；
(2) the AD value driving the described Current hardware obtained to configure of being sampled by AD is compared with the defined AD value being somebody's turn to do in " AD value scope-hardware version numbers " synopsis, if the AD value of hardware configuration is in " AD value scope-hardware version numbers " synopsis, then determine and obtain current hardware version numbers, otherwise perform step (3)；
(3) current hardware version numbers is arranged to the default hardware version number preset.
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| CN107102853A (en) * | 2017-03-26 | 2017-08-29 | 安徽继远软件有限公司 | A kind of method for customizing Mobile operating system compatibility Android applications |
| CN107479482A (en) * | 2017-08-21 | 2017-12-15 | 上海博泰悦臻网络技术服务有限公司 | A kind of operating system and implementation method applied to automotive electronics |
| CN110716873A (en) * | 2019-09-24 | 2020-01-21 | 北京计算机技术及应用研究所 | Hardware compatibility knowledge base construction method |
| CN112286568A (en) * | 2020-09-22 | 2021-01-29 | 福建升腾资讯有限公司 | Multi-version compatible method for Android system |
| CN113727035A (en) * | 2021-10-15 | 2021-11-30 | Oppo广东移动通信有限公司 | Image processing method, system, electronic device and storage medium |
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