CN113238663A - Adaptive keyboard mapping method and device based on view matching - Google Patents
Adaptive keyboard mapping method and device based on view matching Download PDFInfo
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- CN113238663A CN113238663A CN202110459883.2A CN202110459883A CN113238663A CN 113238663 A CN113238663 A CN 113238663A CN 202110459883 A CN202110459883 A CN 202110459883A CN 113238663 A CN113238663 A CN 113238663A
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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
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
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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]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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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]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
Abstract
The invention discloses a View matching-based adaptive keyboard mapping method and device, which are used for acquiring a new position of a View (View) in a current Android application window in real time by monitoring the change condition of the size of the current Android application window when the size of the Android application window is changed, updating a keyboard mapping scheme of a desktop system by adopting the new position of the View (View) to realize adaptive adjustment of the keyboard mapping scheme, effectively improving the convenience of operation in Android application on a desktop platform and remarkably improving user experience.
Description
Technical Field
The invention belongs to the technical field of development of running mobile applications on a desktop operating system, and particularly relates to a view matching-based adaptive keyboard mapping method and device.
Background
The Android running environment of the desktop operating system such as Linux or Windows is a technology for running Android application (App) on the Linux or Windows operating system, and the technology has very important significance for enriching the application ecology of the operating system.
When an Android application is run on a desktop operating system in an Android running environment, a mouse is usually used to click and simulate a touch event because a display of a PC computer often does not support touch. However, for complicated Android application window operations, such as multi-point quick touch in a game application, different keys of a keyboard are required to correspond to different positions of an application window, that is, pressing a certain key is equivalent to clicking a certain position of the application window.
The existing keyboard mapping is realized by adopting a mode of predefining mapping rules, namely, mapping is realized by predefining the corresponding relation between keyboard keys and screen positions. The method is suitable for the situation that the size of the application window is kept unchanged, however, when the application window is zoomed, mapping the keyboard to the screen by adopting the preset mapping relation can cause mapping dislocation, so that the operation of a user is dislocated, inconvenience is brought to the user, and the user experience is reduced.
Disclosure of Invention
In View of this, the present invention provides a View matching-based adaptive keyboard mapping method and apparatus, which implement updating of a keyboard mapping scheme by using View (View) information in a current application window acquired in real time, so as to implement adaptive adjustment of the keyboard mapping scheme according to changes of the window.
The invention provides a view matching-based adaptive keyboard mapping method, which specifically comprises the following steps:
establishing a keyboard mapping scheme between keyboard keys of a desktop system and an android application window, wherein the keyboard mapping scheme comprises a package name, an activity name, a key code and a corresponding mapping position which correspond to the android application window, and identification, positions and sizes of all views in the android application window; when the size of the android application window is monitored to be changed, the current position and the size of each view in the android application window are obtained, a new mapping position corresponding to each view is calculated according to the current position and the size, the position and the size of each view recorded in the keyboard mapping scheme and the corresponding mapping position, and the new mapping position is updated to the keyboard mapping scheme to achieve self-adaptive keyboard mapping.
Further, the new mapping position corresponding to each view is calculated according to the current position and size of each view in the android application window, and the position, size and corresponding mapping position of each view recorded in the keyboard mapping scheme, and the new mapping position is calculated by adopting the following formula:
wherein (x)1，y1) Is the current top left vertex coordinate of the view, (w)1，h1) For the current size of the view, (x ', y') is the new mapping position.
Further, the new mapping position corresponding to each view is calculated according to the current position and size of each view in the android application window, and the position, size and corresponding mapping position of each view recorded in the keyboard mapping scheme, and the new mapping position is calculated by adopting the following formula:
x′＝(w1/w0)*(x-x0)+x1
y′＝(h1/h0)*(y-y0)+y1
wherein (x)0，y0) Mapping the position of the view recorded in the scheme for the keyboard, namely the coordinates of the top left vertex of the view; (x)1，y1) Is the current position of the view, i.e. the current top left vertex coordinate of the view; (w)0，h0) Mapping the view size recorded in the scheme for the keyboard; (w)1，h1) Is the current size of the view; (x ', y') is the new mapping position corresponding to the view.
Further, the mode of obtaining the current position and the size of each view in the android application window is that the desktop system sends the identification of each view recorded in the keyboard mapping scheme to the android system through an RPC message, and the android system obtains the current position and the size of each view.
Further, the method for establishing the keyboard mapping scheme between the keyboard keys of the desktop system and the android application window is configured in a visual mode.
The invention provides a view matching-based self-adaptive keyboard mapping device, which comprises a keyboard mapping scheme configuration unit, an application window monitoring unit, a view information acquisition unit and a keyboard mapping scheme adjustment unit, wherein the keyboard mapping scheme configuration unit is used for configuring a view information acquisition unit;
the keyboard mapping scheme configuration unit is used for configuring a keyboard mapping scheme between keyboard keys of a desktop system and an android application window, wherein the keyboard mapping scheme comprises package names, activity names, key codes and corresponding mapping positions corresponding to the android application window, and identifications, positions and sizes of views in the android application window;
the application window monitoring unit is used for monitoring the size of the current android application window, reading the keyboard mapping scheme obtained by the keyboard mapping scheme configuration unit if the size of the current android application window changes, and calling the view information obtaining unit according to the view identification in the keyboard mapping scheme to obtain the current position and size of each view in the current android application window; then sending the current position and size to the keyboard mapping scheme adjusting unit;
the view information acquisition unit is positioned in the android system and used for providing view information in an android application window, and the view information comprises a name, an identification, a position and a size of a view;
the keyboard mapping scheme adjusting unit is used for calculating to obtain a new key mapping position of each view according to the obtained current position and size of each view in the current android application window and the position and size of each view recorded in the keyboard mapping scheme; updating the keyboard key mapping scheme using the new key mapping location.
Further, the position of the view is an upper left vertex position of the view.
Furthermore, the view information acquisition unit and the application window monitoring unit adopt an RPC communication mode to transmit data.
Has the advantages that:
according to the method, the change condition of the size of the current Android application window is monitored, the new position of the View (View) in the current Android application window is obtained in real time when the size of the Android application window changes, the keyboard mapping scheme of the desktop system is updated by adopting the new position of the View (View) to realize the self-adaptive adjustment of the keyboard mapping scheme, the convenience of operation in the Android application on the desktop platform is effectively improved, and the user experience is remarkably improved.
Drawings
Fig. 1 is a flowchart of an adaptive keyboard mapping method based on view matching according to the present invention.
Fig. 2 is a structural diagram of an adaptive keyboard mapping apparatus based on view matching according to the present invention.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a view matching-based adaptive keyboard mapping method and device, which has the core idea that: the desktop system acquires attribute information of each View (View) in the Android application window in real time, wherein the attribute information comprises an ID, a name and a coordinate, the information is added into a keyboard mapping scheme to form a keyboard mapping full scheme, when the Android application window changes, a new coordinate of the View (View) is found according to the ID or the name of the View (View) in the keyboard mapping full scheme, and the keyboard mapping scheme is updated by adopting the new coordinate of the View (View). According to the implementation mechanism of the invention, the invention is more suitable for general Android applications of non-games (based on OpenGL ES), because the applications support the extraction of object layout and specific coordinates of Window/View of the current Android application Window.
The invention provides a view matching-based adaptive keyboard mapping method, the flow of which is shown in figure 1, and the method comprises the following steps:
step 1, configuring a keyboard mapping scheme. The keyboard mapping scheme is used for explaining the corresponding relation between the keys on the current keyboard and the application display interface, and specifically comprises the following steps: the package Name, the Activity Name (Activity Name), the key code (Keycode) of the keyboard key, and the key mapping location of the current application. The activity names in the Android system correspond to Window (Window) names one by one.
In the prior art, keys on any brand of keyboard have unique scan codes (scancodes), and the scan codes are converted by the operating system layer and correspond to the determined key codes (keycodes), so that when the operating system layer processes tasks related to the keyboard, only the key codes (keycodes) of the keys of the keyboard need to be concerned.
The key mapping position can be described by using a position coordinate corresponding to the position in the application window, and is recorded as: (x, y).
In the invention, the configuration of the keyboard mapping scheme can be configured in a visual mode.
And 2, acquiring the name, the ID, the coordinates and the size of a top left vertex point of the View (View) in the current window corresponding to the position according to the key mapping position recorded in the step 1, and generating a keyboard mapping full scheme with View (View) information. Wherein, the coordinates of the top left vertex of the View (View) are recorded as: (x)0，y0) (ii) a The dimensions of the View (View) are the width and height of the View (View), and are recorded as: (w)0，h0) (ii) a The full keyboard mapping scheme is a mapping scheme including keyboard keys and corresponding View (View) information.
Specifically, the method can be used for obtaining the name, the ID, the coordinates of the top left vertex and the size of each View (View) in the application window by modifying the WindowManagerservice of the Android system, namely adding a method for returning the related information of the View (View) contained in the current application window in the WindowManagerservice. In the implementation process, an RPC communication mode can be adopted, the mapping position of the key designated by the user is sent to a WindowManagerService of the Android system, and the WindowManagerService returns the name, the coordinates of the top left vertex and the size of the View (View) corresponding to the coordinates.
And 3, when the size of the current window is monitored to be changed, acquiring the name or ID of a View (View) corresponding to each key according to the full keyboard mapping scheme, acquiring the current new top left vertex coordinate and new size of the View (View) according to the name or ID of the View (View), and calculating the new mapping position coordinate of the key according to the new top left vertex coordinate and the new size.
For Android applications implemented by the QT application development framework, the window manager will generate a QT standard event named QResizeEvent when an application window changes.
In the invention, the process of calculating the new mapping position coordinate of the key according to the new upper left vertex coordinate and the new size can be calculated by adopting the following two modes:
(1) the method for calculating the center node of the current view is to adopt the following formula:
wherein (x)1，y1) Is the new top left vertex coordinate of the View (View), (w)1，h1) For the new size of View (View), (x ', y') is the new mapping position coordinate.
(2) And calculating a new mapping position coordinate of the key according to the new upper left vertex coordinate and the new size, wherein the calculation formula is as follows:
in addition, the new center point of the View (View) can be taken as the mapping position of the keyboard.
According to the View matching-based adaptive keyboard mapping method provided by the invention, the invention designs a View matching-based adaptive keyboard mapping device, the structure of which is shown in fig. 2 and comprises a keyboard mapping scheme configuration unit, an application window monitoring unit, a View (View) information acquisition unit and a keyboard mapping scheme adjustment unit.
The keyboard mapping scheme configuration unit is used for configuring a key correspondence relationship between a keyboard key and an Android application window, and specifically includes: the package Name, the Activity Name (Activity Name), the key code (Keycode) of the keyboard key and the key mapping position of the current Android application; then, a View (View) information acquisition unit is used for acquiring the Name and the size of the View (View) of the current window according to the key mapping position in the corresponding relation, and the keyboard mapping full scheme is formed by the package Name, the Activity Name (Activity Name), the key code (KeyCode) of the keyboard key, the key mapping position, the View (View) ID, the View (View) Name and the View (View) size of the current application.
And the application window monitoring unit is used for monitoring and recording the change condition of the size of the current window of the application, reading the name or ID of the View (View) in the keyboard mapping full scheme of the current window output by the keyboard mapping scheme configuration unit if the size of the current window changes, calling the View (View) information acquisition unit to acquire the current top left vertex coordinate and size of the View (View) according to the name or ID of the View (View), and sending the current top left vertex coordinate and size of the View (View) to the keyboard mapping scheme adjustment unit.
The View (View) information acquisition unit is deployed in the android operating environment and is used for providing information of a View (View) of a current window, including the name, the ID, the coordinates and the size of the top left vertex of the View (View), and supporting the query of other information of the View (View) according to the ID or the coordinates of the View (View).
The keyboard mapping scheme adjusting unit is used for calculating according to the obtained current upper left vertex coordinates and sizes of the views (View) of the current window and the original upper left vertex coordinates and sizes of the views (View) to obtain new key mapping positions; replacing the key mapping positions of the key codes of the corresponding keyboard keys in the original keyboard mapping scheme with the new key mapping positions according to the new key mapping positions and the key codes of the corresponding keyboard keys to form a new keyboard mapping scheme; and updating the previously deployed keyboard mapping scheme with the new keyboard mapping scheme.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present 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 view matching-based adaptive keyboard mapping method is characterized by specifically comprising the following steps:
establishing a keyboard mapping scheme between keyboard keys of a desktop system and an android application window, wherein the keyboard mapping scheme comprises a package name, an activity name, a key code and a corresponding mapping position which correspond to the android application window, and identification, positions and sizes of all views in the android application window; when the size of the android application window is monitored to be changed, the current position and the size of each view in the android application window are obtained, a new mapping position corresponding to each view is calculated according to the current position and the size, the position and the size of each view recorded in the keyboard mapping scheme and the corresponding mapping position, and the new mapping position is updated to the keyboard mapping scheme to achieve self-adaptive keyboard mapping.
2. The method according to claim 1, wherein the new mapping position corresponding to each view is calculated according to the current position and size of each view in the android application window, and the position and size of each view and the corresponding mapping position recorded in the keyboard mapping scheme, and the new mapping position is calculated by using the following formula:
wherein (x)1，y1) Is the current top left vertex coordinate of the view, (w)1，h1) For the current size of the view, (x ', y') is the new mapping position.
3. The method according to claim 1, wherein the new mapping position corresponding to each view is calculated according to the current position and size of each view in the android application window, and the position and size of each view and the corresponding mapping position recorded in the keyboard mapping scheme, and the new mapping position is calculated by using the following formula:
x′＝(w1/w0)*(x-x0)+x1
y′＝(h1/h0)*(y-y0)+y1
wherein (x)0，y0) Mapping the position of the view recorded in the scheme for the keyboard, namely the coordinates of the top left vertex of the view; (x)1，y1) Is the current position of the view, i.e. the current top left vertex coordinate of the view; (w)0，h0) Mapping the view size recorded in the scheme for the keyboard; (w)1，h1) Is the current size of the view; (x ', y') is the new mapping position corresponding to the view.
4. The method according to claim 1, wherein the current position and size of each view in the android application window are obtained by sending, by a desktop system, an identifier of each view recorded in the keyboard mapping scheme to an android system through an RPC message, and obtaining, by the android system, the current position and size of each view.
5. The method of claim 1, wherein the manner of establishing the keyboard mapping scheme between the keyboard keys of the desktop system and the android application window is configured in a visual manner.
6. A self-adaptive keyboard mapping device based on view matching is characterized by comprising a keyboard mapping scheme configuration unit, an application window monitoring unit, a view information acquisition unit and a keyboard mapping scheme adjustment unit;
the keyboard mapping scheme configuration unit is used for configuring a keyboard mapping scheme between keyboard keys of a desktop system and an android application window, wherein the keyboard mapping scheme comprises package names, activity names, key codes and corresponding mapping positions corresponding to the android application window, and identifications, positions and sizes of views in the android application window;
the application window monitoring unit is used for monitoring the size of the current android application window, reading the keyboard mapping scheme obtained by the keyboard mapping scheme configuration unit if the size of the current android application window changes, and calling the view information obtaining unit according to the view identification in the keyboard mapping scheme to obtain the current position and size of each view in the current android application window; then sending the current position and size to the keyboard mapping scheme adjusting unit;
the view information acquisition unit is positioned in the android system and used for providing view information in an android application window, and the view information comprises a name, an identification, a position and a size of a view;
the keyboard mapping scheme adjusting unit is used for calculating to obtain a new key mapping position of each view according to the obtained current position and size of each view in the current android application window and the position and size of each view recorded in the keyboard mapping scheme; updating the keyboard key mapping scheme using the new key mapping location.
7. The implementation device of claim 6, wherein the position of the view is an upper left vertex position of the view.
8. The device of claim 6, wherein the view information obtaining unit and the application window monitoring unit transmit data by using an RPC communication method.
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