CN112988419A - Method for sharing Linux input method to Android - Google Patents
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- CN112988419A CN112988419A CN202110270018.3A CN202110270018A CN112988419A CN 112988419 A CN112988419 A CN 112988419A CN 202110270018 A CN202110270018 A CN 202110270018A CN 112988419 A CN112988419 A CN 112988419A
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- 238000004891 communication Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 19
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- 230000003993 interaction Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000010354 integration Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 8
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- 238000007781 pre-processing Methods 0.000 description 2
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
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- 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
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/543—User-generated data transfer, e.g. clipboards, dynamic data exchange [DDE], object linking and embedding [OLE]
Abstract
A method for sharing a Linux input method to Android comprises the following steps: when the Linux system starts an Android application, the Linux system creates a Linux system display window, and the Zygote creates an App application process; the App application binds and displays the Linux system display window and the App application; the Android application clicks an input box to obtain a focus, IPC communication transmits a cursor position and related data, and a Linux input method responds and binds an input event to a window with the focus at present; a Linux graphic input window acquires input data of the Linux input method and transmits the input data to an input box of the Android application for display through the IPC communication; the cursor of the Android application input box moves along with input content, and the Linux input method application dynamically changes coordinates along with the change of the cursor position of the Android application input box; and when the focus of the Android application input box is lost, the IPC communication informs the input event of the Linux input method of unbinding the current window. The invention realizes the integration of the input method and greatly improves the experience of the user.
Description
Technical Field
The invention belongs to the technical field of Linux operating systems, and particularly relates to a method for sharing a Linux input method to Android.
Background
In recent years, with the increase of Android users and the maturity and development of Android software and hardware products, the Android application ecology presents explosive development, exceeds Windows and iOS in many fields, and becomes the most widely used application ecology at present. Android develops based on a Linux kernel, is a Linux operating system with the highest market share in the current mobile terminal market, and has an excellent ecological environment in the field of mobile terminals; the Windows system occupies the largest share of the PC market, is used as an American closed source operating system, and has huge potential safety hazard in the aspect of information network safety; the Linux operating system, which is a precursor of Android, is slow in development due to the limitation of the number of developers and market share, and the ecological environment is in a bad state for a long time and is not colored all the time. With the rapid development of information technology, the national attention degree on information security is increasingly promoted, and domestic autonomous operating systems based on open source Linux operating systems are increasingly developed, but the serious shortage of the ecological application of the Linux operating systems still is a pain point which puzzles the real market promotion of the Linux operating systems.
In order to solve the ecological problem of the Linux operating system, two key points of insufficient user number and insufficient number of platform application software must be solved. Android has a wide user group in the field of mobile terminals, a mature development platform and an application software group, and has a certain reference value for solving the current embarrassment of a Linux operating system.
The Android operating system is developed based on the Linux kernel, and the characteristics of the mobile terminal device are greatly improved and enhanced in the user space, so that great possibility and convenience are provided for the Linux operating system to be compatible with Android applications, and rich applications of a mobile terminal can be successfully operated on a PC terminal. In recent years, compatible support of an Android application ecology on a Linux operating system becomes a research hotspot, many researchers at home and abroad try to migrate an Android operating environment to a Linux computer platform to realize the effect of compatible support of the Android application ecology on the Linux operating system, and various compatible technologies are derived, wherein the technologies include an arc (app Runtime for chrome) technology of Google, a virtual machine and simulator technology, an anbox (Android in a box) project and the like, and the technologies fuse a PC end and a mobile end to successfully migrate the Android application ecology to the Linux, thereby greatly promoting the development of the Linux application ecology, making up for the defects of the Linux application to a great extent, facilitating daily office, entertainment and other requirements of users of the Linux operating system, and accelerating the pace of the Linux operating system to the consumer market, but all of the technologies have the problem of experience that users cannot ignore, including stability, ease of use, functional completeness, etc., have not significantly advanced this area of technology.
In a Linux desktop operating system, an input method is a part of graphical interface functions, and each application software process acquires data input by a keyboard through interprocess communication. The input of human-computer interaction is firstly read by an input method graphic window process in the Linux system, the input method service process uniformly carries out preprocessing, and then the input method service process distributes the input method graphic window process to a corresponding process according to the position of a current cursor on a screen and a window in a focusing state. The preprocessing is implemented by the input method window, the complication is processed by the plug-in program module, and the input method is the plug-in program module. In the Linux system, the applied input method is actually an input method developed for a graphic window, while in the Android system, all graphic interface functions including the input method are provided by the Android itself, and various input methods already exist in the Android system.
If the Android application is to be operated in a multi-window mode in an Android compatible environment, the input rule becomes a problem to be solved urgently. The Android application needs to be matched with an input method of Android, the Linux application needs to use an input method provided by a Linux input method graphic window, two systems running on a shared kernel simultaneously use different input methods, so that a keyboard and other input devices cannot be processed and distributed uniformly, and inconvenience is undoubtedly brought to users. In a multi-window mode in an Android compatible environment, all Android apps have an associated Linux view window, and if each view window needs to use an Android input method, the problem becomes more complicated.
Therefore, to run the Android application on the Linux device, the problem of integrating the input method needs to be solved, so that the Android application can use the Linux input method.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for sharing a Linux input method to Android, the method comprising the steps of:
when the Linux system starts an Android application, the Linux system creates a Linux system display window, and the Zygote creates an App application process;
the App application binds and displays the Linux system display window and the App application;
the Android application clicks an input box to obtain a focus, IPC communication transmits a cursor position and related data, and a Linux input method responds and binds an input event to a window with the focus at present;
a Linux graphic input window acquires input data of the Linux input method and transmits the input data to an input box of the Android application for display through the IPC communication;
the cursor of the Android application input box moves along with input content, and the Linux input method application dynamically changes coordinates along with the change of the cursor position of the Android application input box;
and when the focus of the Android application input box is lost, the IPC communication informs the input event of the Linux input method of unbinding the current window.
Preferably, before the Linux system starts an Android application, the method further comprises the following steps:
the Linux system display window acquires the Linux input method;
associating the Android application input box with the Linux input method;
and displaying the data of the Linux input method in the Android input box.
Preferably, the method for acquiring the Linux input method by the display window comprises the following steps:
binding the Linux system display window with the Android application;
creating IPC communication between a service program of a Linux end and the Android application;
and the Linux system display window requests input method connection according to the input state of the Android application input box.
Preferably, the associating the Android application input box with the Linux input method comprises the following steps:
the Android application input box is in a focus state and connected with the Linux input method;
and the Android application input box loses a focus state and disconnects the Linux input method.
Preferably, the displaying the Linux input method data in the Android input box comprises the following steps:
establishing a communication management module, and inputting human-computer interaction to unify an input method and a distribution mechanism provided by Linux;
modifying the service source code of the Android input method system, and creating an interface for receiving input data;
the communication management module is in IPC communication with the Android input method;
modifying the Android input method code, and receiving input data from a Linux input method;
the data are forwarded to an Android input method system service interface;
and the input box of the Android application process acquires and displays input data in the interface.
The method for sharing the Linux input method to the Android provides a mechanism for sharing the Linux input method for the Android application running in an Android compatible environment on a Linux system, integrates the Android application and the Linux input method together, enables the Linux to become a unique entity for uniformly receiving, processing and distributing the human-computer interaction input information, provides the human-computer interaction input information for the Android application, receives the input method data by a management module in the Android, forwards the input method data to the Android input method system service process, and finally reaches the running Android application process without switching the input methods back and forth between the two systems, so that the integration of the input methods is realized, and the user experience is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flowchart of a method for sharing a Linux input method to Android according to the present invention;
FIG. 2 is a schematic diagram of a prior art Linux operating system;
fig. 3 is a schematic diagram of a Linux operating system in a method for sharing a Linux input method to Android provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, in an embodiment of the present application, the present invention provides a method for sharing a Linux input method to Android, where the method includes:
s1: when the Linux system starts an Android application, the Linux system creates a Linux system display window, and the Zygote creates an App application process;
s2: the App application binds and displays the Linux system display window and the App application;
s3: the Android application clicks an input box to obtain a focus, IPC communication transmits a cursor position and related data, and a Linux input method responds and binds an input event to a window with the focus at present;
s4: a Linux graphic input window acquires input data of the Linux input method and transmits the input data to an input box of the Android application for display through the IPC communication;
s5: the cursor of the Android application input box moves along with input content, and the Linux input method application dynamically changes coordinates along with the change of the cursor position of the Android application input box;
s6: and when the focus of the Android application input box is lost, the IPC communication informs the input event of the Linux input method of unbinding the current window.
In the embodiment of the application, the method for sharing the Linux input method to the Android comprises the following specific steps:
1.1) when an Android application is started, Linux creates a display window for the Android application, Zygote creates an App application process for the Android application, and the App application is bound with the window and displayed and has the same life cycle as the actual Linux process; 1.2) Android application clicks an input box to obtain a focus, IPC communication transmits a cursor position and related data, and a Linux input method responds and binds an input event to a window with the focus at present; 1.3) the Linux graphic input window acquires input data of an input method, and transmits the input data to an input box of an Android application program for display through IPC communication; 1.4) the cursor of the Android application input box moves along with the input content, and the Linux input method application changes coordinates dynamically along with the change of the cursor position of the input box; 1.5) the Android application input box focus is lost, and IPC communication informs the input event of the Linux input method of unbinding the current window.
The vertical dotted line in fig. 2 divides the system into two halves, the left side is the Linux system layer and its application, and the right side is the Android system layer and its application, which share the same Linux kernel. The human-computer interaction input of the Linux application in the figure is from Linux, the input information of the Linux input method is from external equipment, including keys and equipment driving programs thereof, and the output of the input method is forwarded to a corresponding Linux graphic window program by an input framework of the Linux input method; and the input information generated by the Android input method in the Android system is also from external equipment and is forwarded to the corresponding input box of the Android application by the input method service frame of the Android system. The two systems use respective input methods, inconvenience is brought to users using Android compatible environments on Linux, and under the condition that a unified arbitration and coordination mechanism is lacked, the two independent input methods obtain input from the same external equipment and the same driver, and the situation that two sides compete for input occurs. Moreover, the Android input method can only be displayed in an Android application window and cannot be arbitrarily dragged on a Linux desktop, and displaying the two input methods can cause confusion in use for users.
After the method of fig. 1, the system schematic diagram of fig. 2 obtains the system schematic diagram of fig. 3, each Android application has a corresponding graphical window at the Linux end, the position and size of the graphical window and the coordinates of the Android application input box are known, after the input box is focused, the Linux graphical window bound to the Android application pulls up the Linux input method, at this time, all key input events are analyzed and synthesized by the Linux input method, and then the input data are forwarded to the Android application.
In the embodiment of the present application, before the Linux system starts an Android application, the method further includes the following steps:
the Linux system display window acquires the Linux input method;
associating the Android application input box with the Linux input method;
and displaying the data of the Linux input method in the Android input box.
In the embodiment of the present application, the obtaining, by the display window, the Linux input method includes the steps of:
binding the Linux system display window with the Android application;
creating IPC communication between a service program of a Linux end and the Android application;
and the Linux system display window requests input method connection according to the input state of the Android application input box.
In the embodiment of the application, when the Android application input box obtains a focus, the focus is transmitted to the Android system service through the IPC, and then is transmitted to the Linux graphic window through the Linux communication management module, so that the binding operation is performed with a Linux input method, and the binding function is bindServer.
The pseudo code is as follows:
in an embodiment of the present application, the associating the Android application input box with the Linux input method includes:
the Android application input box is in a focus state and connected with the Linux input method;
and the Android application input box loses a focus state and disconnects the Linux input method.
In an embodiment of the present application, the displaying the Linux input method data in the Android input box includes:
establishing a communication management module, and inputting human-computer interaction to unify an input method and a distribution mechanism provided by Linux;
modifying the service source code of the Android input method system, and creating an interface for receiving input data;
the communication management module is in IPC communication with the Android input method;
modifying the Android input method code, and receiving input data from a Linux input method;
the data are forwarded to an Android input method system service interface;
and the input box of the Android application process acquires and displays input data in the interface.
In the embodiment of the present application, the specific IPC cross-process communication step flow and pseudo code are as follows:
step 1: when the Android application input box obtains a focus, the focus is transmitted to an Android system service through the IPC and then is transmitted to a Linux graphic window through the Linux communication management module, so that the Android application input box is bound with a Linux input method, and the binding function is bindServer.
Step 2: when the input information is acquired by the Linux graphic input window, the input information is sent to the Linux communication management module through the IPC, then forwarded to the Android system service, finally submitted to an input box of the Android application through a callback function, and the function submitting the input information to the input box is the showText.
And step 3: when the cursor of the Android application input box changes, the cursor is transmitted to an Android system service through IPC, and then is sent to a Linux graphic input window through a Linux communication management module to inform a Linux input method to adjust the coordinate of the input method box, and the position function of the input box is acquired as requestImeLocation.
public void requestImeLocation(){
mUIHandler.sendEmptyMessageDelayed(1,500)；
}
And 4, step 4: when the focus of the Android application input box is lost, the focus is transmitted to the Android system service through the IPC, and then the focus is transmitted to the Linux graphic window through the Linux communication management module, so that the graphic window and a Linux input method are subjected to unbinding operation, and the unbinding function is an unbind Server.
JNIEXPORT void JNICALL
Java _ com _ android _ Jniservice _ unbundServer (JNIENv. env, jobject) {// unbind
close()；
unlink()；
}
The method for sharing the Linux input method to the Android provides a mechanism for sharing the Linux input method for the Android application running in an Android compatible environment on a Linux system, integrates the Android application and the Linux input method together, enables the Linux to become a unique entity for uniformly receiving, processing and distributing the human-computer interaction input information, provides the human-computer interaction input information for the Android application, receives the input method data by a management module in the Android, forwards the input method data to the Android input method system service process, and finally reaches the running Android application process without switching the input methods back and forth between the two systems, so that the integration of the input methods is realized, and the user experience is greatly improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. A method for sharing a Linux input method to Android is characterized by comprising the following steps:
when the Linux system starts an Android application, the Linux system creates a Linux system display window, and the Zygote creates an App application process;
the App application binds and displays the Linux system display window and the App application;
the Android application clicks an input box to obtain a focus, IPC communication transmits a cursor position and related data, and a Linux input method responds and binds an input event to a window with the focus at present;
a Linux graphic input window acquires input data of the Linux input method and transmits the input data to an input box of the Android application for display through the IPC communication;
the cursor of the Android application input box moves along with input content, and the Linux input method application dynamically changes coordinates along with the change of the cursor position of the Android application input box;
and when the focus of the Android application input box is lost, the IPC communication informs the input event of the Linux input method of unbinding the current window.
2. The method for sharing the Linux input method to the Android of claim 1, further comprising, before the Linux system starts an Android application, the steps of:
the Linux system display window acquires the Linux input method;
associating the Android application input box with the Linux input method;
and displaying the data of the Linux input method in the Android input box.
3. The method for sharing the Linux input method to the Android of claim 2, wherein the displaying the window to obtain the Linux input method comprises the steps of:
binding the Linux system display window with the Android application;
creating IPC communication between a service program of a Linux end and the Android application;
and the Linux system display window requests input method connection according to the input state of the Android application input box.
4. The method for sharing the Linux input method to the Android of claim 2, wherein the associating the Android application input box with the Linux input method comprises the steps of:
the Android application input box is in a focus state and connected with the Linux input method;
and the Android application input box loses a focus state and disconnects the Linux input method.
5. The method for sharing the Linux input method to the Android of claim 2, wherein the displaying the Linux input method data in the Android input box comprises:
establishing a communication management module, and inputting human-computer interaction to unify an input method and a distribution mechanism provided by Linux;
modifying the service source code of the Android input method system, and creating an interface for receiving input data;
the communication management module is in IPC communication with the Android input method;
modifying the Android input method code, and receiving input data from a Linux input method;
the data are forwarded to an Android input method system service interface;
and the input box of the Android application process acquires and displays input data in the interface.
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| CN113672407A (en) * | 2021-08-24 | 2021-11-19 | 深圳技德终端技术有限公司 | Linux-compatible Android keyboard input control method and device |
| CN114185851A (en) * | 2022-02-14 | 2022-03-15 | 麒麟软件有限公司 | Method and system for android to access Linux local directory and file |
| CN114416044A (en) * | 2022-03-28 | 2022-04-29 | 北京麟卓信息科技有限公司 | Input method and device for android application under Linux platform |
| CN114780199A (en) * | 2022-06-17 | 2022-07-22 | 北京麟卓信息科技有限公司 | Sharing method for android application display output in multi-window mode |
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| CN116521024A (en) * | 2022-10-31 | 2023-08-01 | 苏州浩辰软件股份有限公司 | Input method switching method, device and computer program product |
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| CN116521024A (en) * | 2022-10-31 | 2023-08-01 | 苏州浩辰软件股份有限公司 | Input method switching method, device and computer program product |
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