CN114706602A - Android-based method for updating parameters of touch screen through app - Google Patents
Android-based method for updating parameters of touch screen through app Download PDFInfo
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- CN114706602A CN114706602A CN202210339288.XA CN202210339288A CN114706602A CN 114706602 A CN114706602 A CN 114706602A CN 202210339288 A CN202210339288 A CN 202210339288A CN 114706602 A CN114706602 A CN 114706602A
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- touch screen
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- updating
- parameters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
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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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- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Human Computer Interaction (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a method for updating parameters of a touch screen through an APP based on Android, which is used for updating the parameters of the touch screen through updating the APP, thereby reducing the time for system compilation and testing of developers and reducing the number of versions for system upgrading. The user can update the touch screen effect without updating the system OTA, the use is more convenient, and the time of the user is saved more. And the stability of the system can be improved, and the problem that the system goes wrong due to the fact that a developer makes mistakes or compiling mistakes due to the effect of modifying one touch screen is avoided.
Description
Technical Field
The invention relates to the technical field of android systems, in particular to an android-based method for updating parameters of a touch screen through an app.
Background
When a student education tablet, an intelligent tablet and a smart phone are actually developed, the requirement that the effect of touch screen parameters needs to be updated for machines which are already shipped is frequently met, particularly for machines with large sizes, the current methods for updating touch screen parameters on the market need to modify kernel or system partitions, so that a new ROM packet needs to be compiled again each time, the ROM packet needs to be compiled completely, many developers need to be involved, much time is wasted, the whole ROM packet needs to be tested by a ROM updating test department, and much time is wasted when many test machines are burnt. From a user perspective, app updates are also faster and more friendly than system updates.
Disclosure of Invention
In view of the defects of the prior art, the present invention aims to provide an android-based method for updating touch screen parameters through an app.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for updating parameters of a touch screen through an app based on Android comprises the following specific processes:
the kernel drives equipment nodes of sys are created through sysfs _ create _ file, a store function prototype is achieved, parameter contents in buf are obtained in the store function, and the parameter contents are stored after analysis and verification are passed; writing the parameter content to the hardware of the touch screen by calling a corresponding fw _ update function driven by TP; adding corresponding authority in Selinux to enable the equipment node to pass through the appointed upper layer APP normal write;
when touch screen parameters are updated, updating a specified upper layer APP, wherein the specified upper layer APP passes through a newFileWriter (file _ path); and newbufferdwriter (fwwriter); and writing the updated touch screen parameters to the equipment nodes to finish the upgrading of the touch screen parameters.
The invention also provides a computer-readable storage medium having stored therein a computer program which, when executed by a processor, implements the above-described method.
The invention also provides Android equipment, which comprises a processor and a memory, wherein the memory is used for storing a computer program; the processor is adapted to implement the above method when executing the computer program.
The invention has the beneficial effects that:
1. according to the invention, the touch screen parameters are upgraded by updating the APP, so that the time for system compiling and testing of developers is shortened, and the number of versions upgraded by the system is reduced. The user can update the touch screen effect without updating the system OTA, the use is more convenient, and the time of the user is saved more. And the stability of the system can be improved, and the problem that the system goes wrong due to the fact that a developer makes mistakes or compiling mistakes due to the effect of modifying one touch screen is avoided.
2. Because the system and touch screen parameters are updated separately, the user can select the new touch screen effect or the new touch screen effect of the old system according to the needs.
3. By upgrading the touch screen effect, the user can return the corresponding old version touch screen effect by returning the APP version, and the method is very convenient compared with the conventional complex time-consuming method of returning from the new line to the old version ROM.
Detailed Description
The present invention will be further described below, and it should be noted that the present embodiment is based on the technical solution, and a detailed implementation manner and a specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
The embodiment provides a method for updating parameters of a touch screen through an app based on Android, which comprises the following specific processes:
the kernel drives equipment nodes of sys are created through sysfs _ create _ file, a store function prototype is achieved, parameter contents in buf are obtained in the store function, and the parameter contents are stored after analysis and verification are passed; writing the parameter content to the hardware of the touch screen by calling a corresponding fw _ update function driven by TP; adding corresponding authority in Selinux to enable the equipment node to pass through the appointed upper layer APP normal write;
when touch screen parameters are updated, updating a specified upper layer APP, wherein the specified upper layer APP passes through a newFileWriter (file _ path); and newbufferdwriter (fwwriter); and writing the updated touch screen parameters to the equipment nodes to finish the upgrading of the touch screen parameters.
By the method, the touch screen parameters can be upgraded by updating the APP, the system compiling time of developers and the testing time of testers are reduced, and the number of versions for upgrading the system is reduced. The user can update the touch screen effect without updating the system OTA, the use is more convenient, and the time of the user is saved more. And the stability of the system can be improved, and the problem that the system goes wrong due to the fact that a developer makes mistakes or compiling mistakes due to the effect of modifying one touch screen is avoided. In addition, because the system and touch screen parameters are updated separately, the user can select the new system and the old touch screen effect or the old system and the new touch screen effect according to the needs.
Through the method, the user can also return to the corresponding old version touch screen effect by returning the APP version, and compared with the conventional complex time-consuming method of returning from the new line to the old version ROM, the method is very convenient.
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (3)
1. A method for updating parameters of a touch screen through an app based on Android is characterized by comprising the following specific processes:
the kernel drives equipment nodes of sys are created through sysfs _ create _ file, a store function prototype is achieved, parameter contents in buf are obtained in the store function, and the parameter contents are stored after analysis and verification are passed; writing the parameter content to the hardware of the touch screen by calling a corresponding fw _ update function driven by TP; adding corresponding authority in Selinux to enable the equipment node to pass through the appointed upper layer APP normal write;
when the touch screen parameters are updated, updating the designated upper layer APP, wherein the designated upper layer APP passes through a new FileWriter (file _ path); and new buffer write (fwrite); and writing the updated touch screen parameters to the equipment nodes to finish the upgrading of the touch screen parameters.
2. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method of claim 1.
3. An Android device comprising a processor and a memory, the memory for storing a computer program; the processor, when executing the computer program, implements the method of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210339288.XA CN114706602B (en) | 2022-04-01 | 2022-04-01 | Android-based method for updating parameters of touch screen through app |
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| CN202210339288.XA CN114706602B (en) | 2022-04-01 | 2022-04-01 | Android-based method for updating parameters of touch screen through app |
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| CN114706602A true CN114706602A (en) | 2022-07-05 |
| CN114706602B CN114706602B (en) | 2023-03-24 |
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| CN114706602B (en) | 2023-03-24 |
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