CN115981767A - Vehicle-mounted display screen and display control method thereof - Google Patents
Vehicle-mounted display screen and display control method thereof Download PDFInfo
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Abstract
The invention provides a vehicle-mounted display screen and a display control method thereof, which are characterized in that foreground application program information is obtained through a UI (user interface) aggregation instruction input by a user, aggregation service of the application program is called, aggregation information classes corresponding to foreground activities returned by the aggregation service of the application program are received, the aggregation information classes comprise names of first interactive elements in the foreground activities and corresponding interactive instruction interfaces, aggregation activities comprising second interactive elements corresponding to the first interactive elements are generated, the aggregation activities are activated to display the aggregation activities on the foreground, interactive instructions which are input by the user in the aggregation activities and trigger any interactive element in the second interactive elements are received, the corresponding names of the first interactive elements and the corresponding interactive actions are transmitted to the foreground application program to execute the corresponding interactive instructions through the interactive instruction interfaces as interactive instruction execution parameters, the aggregation activities are paused, stopped or destroyed, the influence of the operation of a driver on vehicle driving can be reduced, and driving safety is improved.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to a vehicle-mounted display screen and a display control method thereof.
Background
With the development of new energy automobiles, automobiles gradually evolve towards intellectualization, wherein the most prominent is that various automobile control functions gradually tend to be uniformly controlled by a vehicle-mounted display screen, and with the increasing strength of the functions of the automobile, the vehicle-mounted display screen also develops towards large screen. However, although the large screen car machine is favored by consumers, the larger the car screen is, the greater the difficulty of operation becomes. In the driving process, when a driver needs to operate the vehicle-mounted screen, the sight line and the attention need to be moved to the vehicle-mounted screen from the front of the vehicle in a short time, so the length of an operation stroke (arm moving distance) of the driver is in direct proportion to the influence on the driving of the driver, the larger the operation stroke is, the more adverse to safe driving is, the greater the operation stroke is, the operation stroke is limited to the accuracy rate of application program support and voice recognition, and the current voice control is difficult to completely replace the manual operation of a user.
Disclosure of Invention
The invention provides a vehicle-mounted display screen and a display control method thereof based on the problems, which can reduce the influence of the operation of a driver on the vehicle-mounted display screen on the driving of a vehicle and improve the driving safety.
In view of this, a first aspect of the present invention provides an on-vehicle display screen, including:
the system comprises an aggregation instruction receiving module, a processing module and a processing module, wherein the aggregation instruction receiving module is used for receiving a User Interface (UI) aggregation instruction input by a User;
the application information acquisition module is used for calling the activity management service to acquire foreground application program information, wherein the foreground application program information comprises a package name of a foreground application program and an activity name of foreground activity of the foreground application program;
the aggregation service calling module is used for calling the application program aggregation service;
the aggregation information receiving module is used for receiving an aggregation information class which corresponds to the foreground activity and is returned by the application program aggregation service, wherein the aggregation information class comprises the name of a first interactive element in the foreground activity and a corresponding interactive instruction interface;
the aggregation activity generating module is used for generating an aggregation activity, and the aggregation activity comprises a second interactive element corresponding to the first interactive element;
the aggregation activity activation module is used for activating the aggregation activity to enable the aggregation activity to be displayed in the foreground;
the interactive instruction receiving module is used for receiving an interactive instruction which is input by a user in the aggregation activity and triggers any interactive element in the second interactive elements;
the interactive instruction execution module is used for transmitting the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program through the interactive instruction interface by the application program aggregation service as interactive instruction execution parameters so as to control the foreground application program to execute a corresponding interactive instruction;
an aggregate activity shutdown module to pause, stop, or destroy the aggregate activity.
Further, in the above vehicle-mounted display screen, the vehicle-mounted display screen further includes:
the aggregation service starting module is used for starting the application program aggregation service in a non-binding mode;
the starting instruction receiving module is used for receiving an instruction for starting the application program input by a user;
a default activity display module for displaying the default activity of the application as the foreground activity;
and the aggregation service calling module is specifically used for calling the application program aggregation service by taking the activity name of the foreground activity as an operation parameter so as to execute the UI aggregation instruction.
Further, in the above vehicle-mounted display screen, the application program aggregation service calling module is specifically configured to start an aggregation service of the foreground program in a binding mode, so that the application program aggregation service is bound with the foreground application program or the foreground activity.
Further, in the above vehicle-mounted display screen, the vehicle-mounted display screen further includes:
the quitting instruction receiving module is used for receiving an instruction for quitting the application program, which is input by a user;
the position parameter acquisition module is used for acquiring the position parameters of the application program process and the aggregation service process in the cache queue;
a destroy instruction execution module, configured to execute an instruction to destroy the application program aggregated service process when the location parameter of the application program process is greater than the location parameter of the application program aggregated service process and the application program process is destroyed;
and the service state updating module is used for sending a calling instruction to the application program aggregation service to update the state of the application program aggregation service when the position parameter of the application program process is smaller than the position parameter of the application program aggregation service process.
Further, in the above vehicle-mounted display screen, the vehicle-mounted display screen further includes:
a foreground activity stopping module for stopping the foreground activity according to the operation of the user so as to convert the foreground activity into the background activity;
the background activity destroying module is used for executing an instruction for destroying the background activity;
and the service process destroying module is used for executing an instruction for destroying the application program aggregation service process.
The second aspect of the present invention provides a display control method for a vehicle-mounted display screen, including:
receiving a UI aggregation instruction input by a user;
calling an activity management service to acquire foreground application information, wherein the foreground application information comprises a package name of a foreground application and an activity name of foreground activity of the foreground application;
calling an application program aggregation service;
receiving an aggregation information class corresponding to the foreground activity returned by the application program aggregation service, wherein the aggregation information class comprises a name of a first interactive element in the foreground activity and a corresponding interactive instruction interface;
generating an aggregation activity, wherein the aggregation activity comprises a second interactive element corresponding to the first interactive element;
activating the aggregated activity to cause the aggregated activity to be displayed in the foreground;
receiving an interactive instruction which is input by a user in the aggregation activity and triggers any interactive element in the second interactive elements;
the application program aggregation service transmits the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program through the interactive instruction interface as interactive instruction execution parameters so as to control the foreground application program to execute a corresponding interactive instruction;
suspending, stopping, or destroying the aggregate activity.
Further, in the above method for controlling display of a vehicle-mounted display, before the step of receiving a UI aggregation instruction input by a user, the method further includes:
starting the application program aggregation service in an unbound mode;
receiving an instruction for starting an application program input by a user;
displaying a default activity of the application as the foreground activity;
the step of calling the application program aggregation service specifically is to call the application program aggregation service by taking the activity name of the foreground activity as an operation parameter so as to execute the UI aggregation instruction.
Further, in the above method for controlling display of a vehicle-mounted display screen, the step of invoking the application program aggregation service specifically includes:
and starting the aggregation service of the foreground program in a binding mode to enable the application program aggregation service to be bound with the foreground application program or the foreground activity.
Further, in the above vehicle-mounted display screen display control method, after the step of suspending, stopping or destroying the aggregation activity, the method further includes:
receiving an instruction for exiting the application program input by a user;
acquiring position parameters of an application program process and an aggregation service process in a cache queue;
when the position parameter of the application program process is larger than the position parameter of the application program aggregation service process, and the application program process is destroyed, executing an instruction for destroying the application program aggregation service process;
and when the position parameter of the application program process is smaller than the position parameter of the application program aggregation service process, sending a calling instruction to the application program aggregation service to update the state of the application program aggregation service.
Further, in the above method for controlling display on a vehicle-mounted display, after the step of suspending, stopping or destroying the aggregation activity, the method further includes:
stopping the foreground activity according to the operation of a user so as to convert the foreground activity into background activity;
executing an instruction for destroying the background activity;
and executing an instruction for destroying the application program aggregation service process.
The invention provides a vehicle-mounted display screen and a display control method thereof, which are characterized in that foreground application program information is obtained through a UI (user interface) aggregation instruction input by a user, aggregation service of the application program is called, aggregation information classes corresponding to foreground activities returned by the aggregation service of the application program are received, the aggregation information classes comprise names of first interactive elements in the foreground activities and corresponding interactive instruction interfaces, aggregation activities comprising second interactive elements corresponding to the first interactive elements are generated, the aggregation activities are activated to display the aggregation activities in the foreground, interactive instructions which are input by the user and used for triggering any interactive element in the second interactive elements are received, the names of the first interactive elements corresponding to the triggered second interactive elements and the interactive actions are transmitted to the foreground application program to execute the corresponding interactive instructions through the interactive instruction interfaces as interactive instruction execution parameters, the aggregation activities are paused, stopped or aggregated activities are stopped, the influence of operations of a driver on vehicle driving caused by destroying the vehicle on the vehicle-mounted display screen can be reduced, and driving safety is improved.
Drawings
FIG. 1 is a schematic block diagram of an in-vehicle display screen provided by a first embodiment of the present invention;
FIG. 2 is a schematic block diagram of an in-vehicle display screen with unbound mode aggregation service provided by a second embodiment of the present invention;
FIG. 3 is a schematic block diagram of an in-vehicle display screen with bundled application aggregation services provided by a third embodiment of the present invention;
FIG. 4 is a schematic block diagram of an in-vehicle display screen with bound foreground activity aggregation service provided by a fourth embodiment of the present invention;
fig. 5 is a schematic flowchart of a display control method for a vehicle-mounted display screen according to a fifth embodiment of the present invention;
fig. 6 is a schematic flowchart of a method for controlling an unbound mode aggregation service according to a sixth embodiment of the present invention;
fig. 7 is a schematic flowchart of an aggregation service control method for bound applications according to a seventh embodiment of the present invention;
fig. 8 is a schematic flowchart of an aggregated service control method for binding foreground activities according to an eighth embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description herein, reference to the term "one embodiment," "some embodiments," "specific examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
An in-vehicle display screen and a display control method thereof according to some embodiments of the present invention are described below with reference to fig. 1 to 8. In the technical scheme of the invention, the vehicle-mounted display screen is connected with a traveling computer, and a user and the vehicle-mounted display screen perform interactive operation to control the automobile through the traveling computer. The vehicle-mounted display screen includes a touch panel and a display panel, and the display panel may be a liquid crystal panel or an LED (Light-Emitting Diode) panel, such as an OLED (Organic Light-Emitting Diode) screen or a Micro LED (Micro Light-Emitting Diode) screen.
As shown in fig. 1, a first aspect of the present invention provides an on-vehicle display screen, including:
and the aggregation instruction receiving module is used for receiving the UI aggregation instruction input by the user. In the technical solution of the present invention, one or more control manners for inputting the UI aggregation instruction are pre-configured, including but not limited to voice control, physical key control, or virtual key control. Specifically, in the voice control mode, a UI aggregation instruction is integrated in the vehicle-mounted voice control system, and the user inputs the UI aggregation control instruction to implement UI aggregation after waking up the vehicle-mounted voice control system with the voice wake-up instruction, for example, after the user wakes up the vehicle-mounted voice control system by sending the voice wake-up instruction of "hello, XX" and gets a response, the user sends out the voice instruction of "UI aggregation" again to enable the vehicle-mounted voice control system to execute the control instruction of UI aggregation. Furthermore, the voice wake-up instruction can be directly input into the UI aggregation instruction as a prefix of the UI aggregation instruction, for example, the user directly sends a voice instruction of "hello, XX, UI aggregation", and after recognizing that the voice wake-up instruction is woken up, the vehicle-mounted voice control system directly executes the UI aggregation instruction attached after the voice wake-up instruction, thereby improving the control efficiency. Further, an entity key for triggering the UI aggregation instruction may be integrated on the vehicle-mounted display screen or the steering wheel of the vehicle, or a virtual key for triggering the UI aggregation instruction may be displayed on a control interface of the vehicle-mounted display screen.
The application information acquisition module is used for calling the activity management service to acquire foreground application program information, wherein the foreground application program information comprises a package name of a foreground application program and an activity name of foreground activity of the foreground application program. The activity management service is a system service for starting, managing and ending activities, various information of application program activities can be obtained through an interface provided by the activity management service, the information comprises information of the application program, the activity and the activity life cycle, and information such as the name of a foreground application program and the foreground activity name of a foreground application program can be obtained through a foreground activity query interface provided by the activity management service.
And the aggregation service calling module is used for calling the application program aggregation service. In some embodiments of the technical solution of the present invention, the application program aggregation service may be a system service provided by a preset system program, and is created when the system is started, and is run in a system background to monitor the UI aggregation instruction in real time. In other embodiments of the technical solution of the present invention, the application aggregation service may be a service provided by the foreground application, and the application aggregation service is created by the foreground application and run in a system background to monitor a UI aggregation instruction in real time.
And the aggregation information receiving module is used for receiving an aggregation information class which corresponds to the foreground activity and is returned by the application program aggregation service, wherein the aggregation information class comprises the name of the first interactive element in the foreground activity and a corresponding interactive instruction interface. And after the application program aggregation service is called, acquiring the information of the first interactive element contained in the foreground activity and an interactive instruction interface corresponding to the first interactive element, which is provided by the foreground application program, from the foreground application program. In the technical solution of the present invention, an interactive element refers to a UI element for receiving an interactive operation of a user to execute a corresponding interactive instruction according to the interactive operation of the user, for example, the interactive element includes, but is not limited to, a button control, an icon control, a text box control, a list control, a scroll bar control, and the like, which list only a few examples, and are not listed any more. The first interactive element may be all interactive elements on the foreground activity, or may be a preset partial interactive element. In some embodiments of the present invention, the application aggregation service extracts only a partial type of interactive elements, such as button-class controls and icon-class controls, from the foreground activity. In other embodiments of the present invention, the foreground application has extractable attribute tags pre-arranged on extractable interactive elements of all its activities, and the application aggregation service extracts interactive elements with extractable attribute tags from the foreground activities. The interactive instructions include, but are not limited to, activity switching, loading and displaying text, multimedia playing, setting driving parameters, controlling vehicle-mounted electrical appliances, and the like, and as such, only a few examples are listed here, which are not listed one by one. The interactive instruction interface is used for providing the application program aggregation service so that the application program aggregation service calls the interactive instruction executed by the foreground application program.
And the aggregation activity generating module is used for generating an aggregation activity, wherein the aggregation activity comprises a second interactive element corresponding to the first interactive element. The aggregated activity is dynamically generated by the application aggregation service, since the number, type and instructions of interaction elements in each activity are different. Specifically, the application aggregation service generates corresponding aggregation activities according to preset aggregation activity templates corresponding to different interactive element numbers and types. The second interactive elements are in one-to-one correspondence with the first interactive elements and are of the same interactive element type as the first interactive elements, and the second interactive elements are associated with the interactive instructions corresponding to the first interactive elements. Further, the second interactive element may have the same or different appearance characteristics as the first interactive element.
And the aggregation activity activation module is used for activating the aggregation activity and enabling the aggregation activity to be displayed in the foreground. And executing a starting instruction of the aggregated activity to activate the aggregated activity, and simultaneously executing a pause or stop instruction of the foreground activity to display the aggregated activity in the foreground so that the aggregated activity can receive a control instruction input by a user. In some embodiments of the invention, the aggregated activity is a non-full screen activity, and when the aggregated activity is displayed in the foreground, it occludes only a partial region of the foreground activity. When the user inputs the UI aggregation instruction in a voice control mode, the second interactive elements in the aggregation activity are unfolded and displayed in the center of the vehicle-mounted display screen, and the name of the corresponding first interactive element is displayed on each second interactive element, so that the user can trigger any one of the second interactive elements through the voice control instruction. When a user inputs the UI aggregation instruction through an entity key or a virtual key, the second interactive elements in the aggregation activity are gathered and displayed on one side, close to a driving seat, of the vehicle-mounted display screen, for example, the aggregation activity is displayed as a suspension button, when the operation that the user clicks the suspension button is detected, a part or all of the second interactive elements are unfolded, or the second interactive elements are displayed in a reduced or hidden state, and when the approach of the user fingers is detected, the second interactive elements are unfolded into an enlarged state or a display state and the like. Further, the aggregation information class further includes a position coordinate of the first interactive element, and when the aggregation activity is activated, the corresponding relationship between the second interactive element and the first interactive element is displayed through a connecting line. When any first interactive element is shielded by the aggregation activity, a second interactive element corresponding to the first interactive element is displayed as a special state. The special state comprises one or more of highlight, thick border, translucency or the way of displaying a shielding icon thereon, and the shielding icon can be a hand-shaped icon, a star mark, a triangle mark, and the like.
And the interactive instruction receiving module is used for receiving an interactive instruction which is input by a user in the aggregation activity and triggers any interactive element in the second interactive elements. And triggering any interactive element in the second interactive elements by a user in a voice control mode or in a clicking mode on a touch panel of the vehicle-mounted display screen. Further, displaying part or all of operations that the second activity can perform on the second interactive element of the aggregated activity. For example, one of the second interactive elements is a button control for controlling multimedia playing, and besides the name or icon of the button control, for example, a solid triangle icon facing the right side, is displayed on the button control, a text prompt of other executable operations of the second interactive element is also displayed, for example, when the button control is clicked to pause playing, when the button control is pressed for a long time, the current application program is exited, and the like. The user may trigger the second interactive element to perform a corresponding operation through a voice instruction, such as "pause playing" or "exit from the current application," and similarly, these voice instructions need to be performed on the basis of the vehicle-mounted voice control system, which is not described herein again.
And the interactive instruction execution module is used for transmitting the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program through the interactive instruction interface by the application program aggregation service as interactive instruction execution parameters so as to control the foreground application program to execute a corresponding interactive instruction. And transmitting the first interactive element corresponding to the triggered second interactive element as an interactive instruction execution parameter to the foreground application program through the interactive instruction interface, so that the interactive operation performed on the triggered second interactive element by the user in the aggregated activity is equal to the interactive operation performed on the first interactive element corresponding to the triggered second interactive element by the user in the foreground activity, namely that clicking on the second interactive element by the user is equivalent to clicking on the first interactive element, and long pressing on the second interactive element is equivalent to long pressing on the first interactive element.
An aggregate activity shutdown module to pause, stop, or destroy the aggregate activity. There are many results generated by the foreground application executing the interactive instruction, including that the foreground activity of the foreground application is kept as a foreground activity but the content displayed by the foreground activity changes, the foreground application switches the foreground activity to another activity and switches the foreground application to another application, and the like, for any of the execution results, the user generally does not want the aggregated activity to continuously shield the foreground application or a new foreground application after switching until the user inputs the UI aggregation instruction again. Therefore, after the application program aggregation service transmits the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program through the interactive instruction interface as interactive instruction execution parameters to control the foreground application program to execute the corresponding interactive instruction, the application program aggregation service sends out an instruction of suspending, stopping or destroying the aggregation activity, so that the aggregation activity is no longer displayed in the foreground. In some embodiments of the present invention, preferably, after the application aggregation service transmits the first interactive element name and the interactive action corresponding to the triggered second interactive element as interactive instruction execution parameters to the foreground application program through the interactive instruction interface to control the foreground application program to execute a corresponding interactive instruction, the application aggregation service sends an instruction to destroy the aggregated activity to recover the memory space occupied by the aggregated activity.
As shown in fig. 2, the above-mentioned on-vehicle display screen further includes:
the aggregation service starting module is used for starting the application program aggregation service in an unbound mode;
the starting instruction receiving module is used for receiving an instruction for starting the application program input by a user;
a default activity display module for displaying the default activity of the application as the foreground activity;
the aggregation service calling module is specifically configured to call an application aggregation service with the activity name of the foreground activity as an operation parameter to execute the UI aggregation instruction.
In this embodiment, the application aggregation service may be a system service provided by a preset system program, created when the system is started, and running in the system background to listen to the UI aggregation instruction in real time. When a user inputs the UI aggregation instruction under any foreground activity of any application program, the activity name of the foreground activity of the current foreground application program is used as the operation parameter of the UI aggregation service for executing the UI aggregation instruction, for example, after the user starts an application program, the system reads the default activity name of the application program from the configuration file of the application program, so as to call the default activity of the application program to be displayed as the foreground activity, if the foreground activity is not switched before the user inputs the UI aggregation instruction, the name of the default activity is used as the operation parameter of the UI aggregation instruction, and if the user switches the foreground activity of the application program before the user inputs the UI aggregation instruction, or switches to other application programs, the foreground activity of the application program currently displayed in the foreground is used as the operation parameter of the UI aggregation instruction. By adopting the embodiment, the application program aggregation service has stronger flexibility and compatibility, and UI aggregation can be realized for any system application program or third-party application program which provides an interactive instruction interface.
Further, in the above vehicle-mounted display screen, the application program aggregation service calling module is specifically configured to start an aggregation service of the foreground program in a binding mode, so that the application program aggregation service is bound with the foreground application program or the foreground activity. . In this embodiment, the application aggregation service may be a service provided by the foreground application, and the foreground application creates and runs in the system background to monitor the UI aggregation instruction in real time.
As shown in fig. 3, the above-mentioned on-vehicle display screen further includes:
the quitting instruction receiving module is used for receiving an instruction for quitting the application program, which is input by a user;
the position parameter acquisition module is used for acquiring the position parameters of the application program process and the aggregation service process in the cache queue;
a destroy instruction execution module, configured to execute an instruction to destroy the application program aggregated service process when the location parameter of the application program process is greater than the location parameter of the application program aggregated service process and the application program process is destroyed;
and the service state updating module is used for sending a calling instruction to the application program aggregation service to update the state of the application program aggregation service when the position parameter of the application program process is smaller than the position parameter of the application program aggregation service process.
In this embodiment, the application aggregation service is created when the foreground application is started, and the application aggregation service is bound to the foreground application. When the memory space needs to be recycled, the system determines the process to be destroyed according to the position parameter of the process in the cache queue, generally speaking, the system determines the process to be destroyed by adopting a first-in first-out mode. When the application program is not operated in the foreground and is switched from the foreground to the background, the application program process is added into the cache queue, other programs are added into the cache queue, and the application program process is gradually moved from the head of the cache queue to the tail of the cache queue. Similarly, after the application program aggregation service process executes a control instruction, the application program aggregation service process is added into the cache queue, and other programs are added into the cache queue, so that the application program aggregation service process is gradually moved from the head of the cache queue to the tail of the cache queue. And when any activity of the application program is called to the foreground again or the application program aggregation service is called to execute a control instruction again, taking the application program process or the application program aggregation service process out of the cache queue. In some embodiments of the present invention, when executing the destroy instruction of the application program process, the destroy instruction of the application program aggregation service process bound with the application program is executed at the same time.
As shown in fig. 4, the above-mentioned on-vehicle display screen further includes:
the foreground activity stopping module is used for stopping the foreground activity according to the operation of a user so as to convert the foreground activity into the background activity;
the background activity destroying module is used for executing an instruction for destroying the background activity;
and the service process destroying module is used for executing an instruction for destroying the application program aggregation service process.
In this embodiment, the application syndication service is created after receiving the UI syndication instruction, the application syndication service being bound to the foreground activity. Similarly, when the background activity is not called to the foreground again for a long time, the system executes an instruction for destroying the background activity, and executes an instruction for destroying the application program aggregation service process bound with the background activity while destroying the background activity.
As shown in fig. 5, a second aspect of the present invention provides a display control method for a vehicle-mounted display screen, including:
s110: and receiving a UI aggregation instruction input by a user. In the technical solution of the present invention, one or more control manners for inputting the UI aggregation instruction are pre-configured, including but not limited to voice control, physical key control, or virtual key control. Specifically, in the voice control mode, a UI aggregation instruction is integrated in the vehicle-mounted voice control system, and the user inputs the UI aggregation control instruction to implement UI aggregation after waking up the vehicle-mounted voice control system with the voice wake-up instruction, for example, after the user wakes up the vehicle-mounted voice control system by sending the voice wake-up instruction of "hello, XX" and gets a response, the user sends out the voice instruction of "UI aggregation" again to make the vehicle-mounted voice control system execute the control instruction of UI aggregation. Furthermore, the voice wake-up instruction can be directly input into the UI aggregation instruction as a prefix of the UI aggregation instruction, for example, the user directly sends a voice instruction of "hello, XX, UI aggregation", and after recognizing that the voice wake-up instruction is woken up, the vehicle-mounted voice control system directly executes the UI aggregation instruction attached after the voice wake-up instruction, thereby improving the control efficiency. Further, an entity key for triggering the UI aggregation instruction may be integrated on the vehicle-mounted display screen or the steering wheel of the vehicle, or a virtual key for triggering the UI aggregation instruction may be displayed on a control interface of the vehicle-mounted display screen.
S120: calling an activity management service to obtain foreground application information, wherein the foreground application information comprises a package name of a foreground application and an activity name of foreground activity of the foreground application. The activity management service is a system service for starting, managing and ending activities, various information of application program activities can be obtained through an interface provided by the activity management service, the information comprises information of the application program, the activity and the activity life cycle, and information such as the name of a foreground application program and the foreground activity name of a foreground application program can be obtained through a foreground activity query interface provided by the activity management service.
S130: an application aggregation service is invoked. In some embodiments of the technical solution of the present invention, the application program aggregation service may be a system service provided by a preset system program, created when the system is started, and run in a system background to monitor the UI aggregation instruction in real time. In other embodiments of the technical solution of the present invention, the application aggregation service may be a service provided by the foreground application, and the application aggregation service is created by the foreground application and run in a system background to monitor a UI aggregation instruction in real time.
S140: and receiving an aggregation information class corresponding to the foreground activity returned by the application aggregation service, wherein the aggregation information class comprises the name of the first interactive element in the foreground activity and a corresponding interactive instruction interface. And after the application program aggregation service is called, acquiring the information of the first interactive element contained in the foreground activity and an interactive instruction interface corresponding to the first interactive element, which is provided by the foreground application program, from the foreground application program. In the technical solution of the present invention, an interactive element refers to a UI element for receiving an interactive operation of a user to execute a corresponding interactive instruction according to the interactive operation of the user, for example, the interactive element includes, but is not limited to, a button control, an icon control, a text box control, a list control, a scroll bar control, and the like, which list only a few examples, and are not listed any more. The first interactive element may be all interactive elements on the foreground activity, or may be a preset partial interactive element. In some embodiments of the present invention, the application aggregation service extracts only a partial type of interactive elements, such as button class controls and icon class controls, from the foreground activity. In other embodiments of the present invention, the foreground application has pre-arranged extractable attribute tags on extractable interactive elements of all of its activities, and the application aggregation service extracts interactive elements with extractable attribute tags from the foreground activities. The interactive instructions include, but are not limited to, activity switching, loading and displaying text, multimedia playing, setting driving parameters, controlling vehicle-mounted electrical appliances, and the like, and as such, only a few examples are listed here, which are not listed one by one. The interactive instruction interface is used for providing the application program aggregation service so that the application program aggregation service calls the interactive instruction executed by the foreground application program.
S150: and generating an aggregation activity, wherein the aggregation activity comprises a second interactive element corresponding to the first interactive element. The aggregated activity is dynamically generated by the application aggregation service, since the number, type, and instructions of interaction elements vary from activity to activity. Specifically, the application aggregation service generates corresponding aggregation activities according to preset aggregation activity templates corresponding to different interactive element numbers and types. The second interactive elements are in one-to-one correspondence with the first interactive elements and are of the same interactive element type as the first interactive elements, and the second interactive elements are associated with the interactive instructions corresponding to the first interactive elements. Further, the second interactive element has the same or different appearance characteristics as the first interactive element.
S160: and activating the polymerization activity to display the polymerization activity in the foreground. And executing a starting instruction of the aggregated activity to activate the aggregated activity, and simultaneously executing a pause or stop instruction of the foreground activity to display the aggregated activity in the foreground so that the aggregated activity can receive a control instruction input by a user. In some embodiments of the invention, the aggregated activity is a non-full screen activity, and when the aggregated activity is displayed in the foreground, it occludes only a partial region of the foreground activity. When the user inputs the UI aggregation instruction in a voice control mode, the second interactive elements in the aggregation activity are unfolded and displayed in the center of the vehicle-mounted display screen, and the name of the corresponding first interactive element is displayed on each second interactive element, so that the user can trigger any one of the second interactive elements through the voice control instruction. When a user inputs the UI aggregation instruction through an entity key or a virtual key, the second interactive elements in the aggregation activity are gathered and displayed on one side, close to a driving seat, of the vehicle-mounted display screen, for example, the aggregation activity is displayed as a suspension button, when the operation that the user clicks the suspension button is detected, part or all of the second interactive elements are unfolded, or the second interactive elements are displayed in a reduced or hidden state, and when the approach of the finger of the user is detected, the second interactive elements are unfolded into an enlarged state or a display state, and the like. Further, the aggregation information class further includes a position coordinate of the first interactive element, and when the aggregation activity is activated, the corresponding relationship between the second interactive element and the first interactive element is displayed through a connecting line. When any first interactive element is shielded by the aggregation activity, a second interactive element corresponding to the first interactive element is displayed as a special state. The special state comprises one or more of highlight, thick border, translucence or the way of displaying an occlusion icon thereon, wherein the occlusion icon can be a hand-shaped icon, a star mark, a triangle mark or the like.
S170: and receiving an interactive instruction which is input by a user in the aggregation activity and triggers any interactive element in the second interactive elements. And triggering any interactive element in the second interactive elements by a user in a voice control mode or in a clicking mode on a touch panel of the vehicle-mounted display screen. Further, displaying part or all of operations that the second activity can perform on the second interactive element of the aggregated activity. For example, one of the second interactive elements is a button control for controlling multimedia playing, and besides the name or icon of the button control, for example, a solid triangle icon facing the right side, is displayed on the button control, a text prompt of other executable operations of the second interactive element is also displayed, for example, when the button control is clicked to pause playing, when the button control is pressed for a long time, the current application program is exited, and the like. The user may trigger the second interactive element to perform a corresponding operation through a voice instruction, such as "pause playing" or "exit from the current application," and similarly, these voice instructions need to be performed on the basis of the vehicle-mounted voice control system, which is not described herein again.
S180: and the application program aggregation service transmits the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program as interactive instruction execution parameters through the interactive instruction interface so as to control the foreground application program to execute a corresponding interactive instruction. And transmitting the first interactive element corresponding to the triggered second interactive element as an interactive instruction execution parameter to the foreground application program through the interactive instruction interface, so that the interactive operation performed on the triggered second interactive element by the user in the aggregated activity is equal to the interactive operation performed on the first interactive element corresponding to the triggered second interactive element by the user in the foreground activity, namely that clicking on the second interactive element by the user is equivalent to clicking on the first interactive element, and long pressing on the second interactive element is equivalent to long pressing on the first interactive element.
S190: suspending, stopping, or destroying the aggregation activity. There are many results generated by the foreground application executing the interactive instruction, including that the foreground activity of the foreground application is kept as a foreground activity but the content displayed by the foreground activity changes, the foreground application switches the foreground activity to another activity and switches the foreground application to another application, and the like, for any of the execution results, the user generally does not want the aggregated activity to continuously shield the foreground application or a new foreground application after switching until the user inputs the UI aggregation instruction again. Therefore, after the application program aggregation service transmits the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program through the interactive instruction interface as interactive instruction execution parameters to control the foreground application program to execute the corresponding interactive instruction, the application program aggregation service sends out an instruction for suspending, stopping or destroying the aggregation activity, so that the aggregation activity is no longer displayed in the foreground. In some embodiments of the present invention, preferably, after the application aggregation service transmits the first interactive element name and the interactive action corresponding to the triggered second interactive element as interactive instruction execution parameters to the foreground application through the interactive instruction interface to control the foreground application to execute a corresponding interactive instruction, the application aggregation service sends an instruction to destroy the aggregated activity to recover the memory space occupied by the aggregated activity.
As shown in fig. 6, in the above-mentioned on-vehicle display screen display control method, before the step of receiving a UI aggregation instruction input by a user, the method further includes:
s210: starting the application program aggregation service in an unbound mode;
s220: receiving an instruction for starting an application program input by a user;
s230: displaying a default activity of the application as the foreground activity;
the step of calling the application program aggregation service specifically comprises the following steps:
s240: and taking the activity name of the foreground activity as an operation parameter to call an application program aggregation service to execute the UI aggregation instruction.
In this embodiment, the application aggregation service may be a system service provided by a preset system program, created when the system is started, and running in the system background to listen to the UI aggregation instruction in real time. When a user inputs the UI aggregation instruction under any foreground activity of any application program, the activity name of the foreground activity of the current foreground application program is used as the operation parameter of the UI aggregation service for executing the UI aggregation instruction, for example, after the user starts an application program, the system reads the default activity name of the application program from the configuration file of the application program, so as to call the default activity of the application program to be displayed as the foreground activity, if the foreground activity is not switched before the user inputs the UI aggregation instruction, the name of the default activity is used as the operation parameter of the UI aggregation instruction, and if the user switches the foreground activity of the application program before the user inputs the UI aggregation instruction, or switches to other application programs, the foreground activity of the application program currently displayed in the foreground is used as the operation parameter of the UI aggregation instruction. By adopting the embodiment, the application program aggregation service has stronger flexibility and compatibility, and UI aggregation can be realized for any system application program or third-party application program which provides an interactive instruction interface.
Further, in the above method for controlling display of a vehicle-mounted display screen, the step of invoking the application program aggregation service specifically includes:
and starting the aggregation service of the foreground program in a binding mode to enable the application program aggregation service to be bound with the foreground application program or the foreground activity. In this embodiment, the application aggregation service may be a service provided by the foreground application, and the foreground application creates and runs in the system background to monitor the UI aggregation instruction in real time.
As shown in fig. 7, in the above vehicle-mounted display screen display control method, after the step of suspending, stopping or destroying the aggregation activity, the method further includes:
s310: receiving an instruction for exiting the application program input by a user;
s320: acquiring position parameters of an application program process and an aggregation service process in a cache queue;
s330: when the position parameter of the application program process is larger than the position parameter of the application program aggregation service process, and the application program process is destroyed, executing an instruction for destroying the application program aggregation service process;
s340: and when the position parameter of the application program process is smaller than the position parameter of the application program aggregation service process, sending a calling instruction to the application program aggregation service to update the state of the application program aggregation service.
In this embodiment, the application aggregation service is created when the foreground application is started, and the application aggregation service is bound to the foreground application. When the memory space needs to be recycled, the system determines the process to be destroyed according to the position parameter of the process in the cache queue, generally speaking, the system determines the process to be destroyed by adopting a first-in first-out mode. When the application program is not operated in the foreground and is switched from the foreground to the background, the application program process is added into the cache queue, other programs are added into the cache queue, and the application program process is gradually moved from the head of the cache queue to the tail of the cache queue. Similarly, after the application program aggregation service process executes a control instruction, the application program aggregation service process is added into the cache queue, and other programs are added into the cache queue, so that the application program aggregation service process is gradually moved from the head of the cache queue to the tail of the cache queue. And when any activity of the application program is called to the foreground again or the application program aggregation service is called to execute a control instruction again, taking the application program process or the application program aggregation service process out of the cache queue. In some embodiments of the present invention, when executing the destroy instruction of the application program process, the destroy instruction of the application program aggregation service process bound with the application program is executed at the same time.
As shown in fig. 8, in the above-mentioned on-board display control method, after the step of suspending, stopping or destroying the aggregation activity, the method further includes:
s410: stopping the foreground activity according to the operation of a user so as to convert the foreground activity into background activity;
s420: executing an instruction for destroying the background activity;
s430: and executing an instruction for destroying the application program aggregation service process.
In this embodiment, the application syndication service is created after receiving the UI syndication instruction, the application syndication service being bound to the foreground activity. Similarly, when the background activity is not called to the foreground again for a long time, the system executes an instruction for destroying the background activity, and executes an instruction for destroying the application program aggregation service process bound with the background activity while destroying the background activity.
The invention provides a vehicle-mounted display screen and a display control method thereof, which are characterized in that foreground application program information is obtained through a UI (user interface) aggregation instruction input by a user, aggregation service of the application program is called, aggregation information classes corresponding to foreground activities returned by the aggregation service of the application program are received, the aggregation information classes comprise names of first interactive elements in the foreground activities and corresponding interactive instruction interfaces, aggregation activities comprising second interactive elements corresponding to the first interactive elements are generated, the aggregation activities are activated to display the aggregation activities in the foreground, interactive instructions which are input by the user and used for triggering any interactive element in the second interactive elements are received, the names of the first interactive elements corresponding to the triggered second interactive elements and the interactive actions are transmitted to the foreground application program to execute the corresponding interactive instructions through the interactive instruction interfaces as interactive instruction execution parameters, the aggregation activities are paused, stopped or aggregated activities are stopped, the influence of operations of a driver on vehicle driving caused by destroying the vehicle on the vehicle-mounted display screen can be reduced, and driving safety is improved.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
While embodiments in accordance with the invention have been described above, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An on-vehicle display screen, comprising:
the aggregation instruction receiving module is used for receiving a UI aggregation instruction input by a user;
the application information acquisition module is used for calling the activity management service to acquire foreground application program information, wherein the foreground application program information comprises a package name of a foreground application program and an activity name of foreground activity of the foreground application program;
the aggregation service calling module is used for calling the application program aggregation service;
the aggregation information receiving module is used for receiving an aggregation information class which corresponds to the foreground activity and is returned by the application program aggregation service, wherein the aggregation information class comprises the name of a first interactive element in the foreground activity and a corresponding interactive instruction interface;
the aggregation activity generating module is used for generating an aggregation activity, and the aggregation activity comprises a second interactive element corresponding to the first interactive element;
the aggregation activity activation module is used for activating the aggregation activity to enable the aggregation activity to be displayed in the foreground;
the interactive instruction receiving module is used for receiving an interactive instruction which is input by a user in the aggregation activity and triggers any interactive element in the second interactive elements;
the interactive instruction execution module is used for transmitting the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program through the interactive instruction interface by the application program aggregation service as interactive instruction execution parameters so as to control the foreground application program to execute a corresponding interactive instruction;
an aggregate activity shutdown module to pause, stop, or destroy the aggregate activity.
2. The vehicular display screen according to claim 1, further comprising:
the aggregation service starting module is used for starting the application program aggregation service in an unbound mode;
the starting instruction receiving module is used for receiving an instruction for starting the application program input by a user;
a default activity display module for displaying the default activity of the application as the foreground activity;
the aggregation service calling module is specifically configured to call an application aggregation service with the activity name of the foreground activity as an operation parameter to execute the UI aggregation instruction.
3. The vehicle-mounted display screen of claim 1, wherein the application aggregation service invoking module is specifically configured to start an aggregation service of the foreground program in a binding mode, so that the application aggregation service is bound to the foreground application or the foreground activity.
4. The vehicular display screen according to claim 3, further comprising:
the exit instruction receiving module is used for receiving an instruction which is input by a user and used for exiting the application program;
the position parameter acquisition module is used for acquiring the position parameters of the application program process and the aggregation service process in the cache queue;
a destroy instruction execution module, configured to execute an instruction to destroy the application program aggregated service process when the location parameter of the application program process is greater than the location parameter of the application program aggregated service process and the application program process is destroyed;
and the service state updating module is used for sending a calling instruction to the application program aggregation service to update the state of the application program aggregation service when the position parameter of the application program process is smaller than the position parameter of the application program aggregation service process.
5. The vehicular display screen according to claim 3, further comprising:
the foreground activity stopping module is used for stopping the foreground activity according to the operation of a user so as to convert the foreground activity into the background activity;
the background activity destroying module is used for executing an instruction for destroying the background activity;
and the service progress destroying module is used for executing an instruction for destroying the application program aggregation service progress.
6. A display control method of a vehicle-mounted display screen is characterized by comprising the following steps:
receiving a UI aggregation instruction input by a user;
calling an activity management service to acquire foreground application information, wherein the foreground application information comprises a package name of a foreground application and an activity name of foreground activity of the foreground application;
calling an application program aggregation service;
receiving an aggregation information class corresponding to the foreground activity returned by the application aggregation service, wherein the aggregation information class comprises a name of a first interactive element in the foreground activity and a corresponding interactive instruction interface;
generating an aggregation activity, wherein the aggregation activity comprises a second interactive element corresponding to the first interactive element;
activating the aggregated activity to cause the aggregated activity to be displayed in the foreground;
receiving an interactive instruction which is input by a user in the aggregation activity and triggers any interactive element in the second interactive elements;
the application program aggregation service transmits the first interactive element name and the interactive action corresponding to the triggered second interactive element to the foreground application program through the interactive instruction interface as interactive instruction execution parameters so as to control the foreground application program to execute a corresponding interactive instruction;
suspending, stopping, or destroying the aggregation activity.
7. The display control method of the on-vehicle display screen according to claim 6, further comprising, before the step of receiving the UI aggregation instruction input by the user:
starting the application program aggregation service in an unbound mode;
receiving an instruction for starting an application program input by a user;
displaying a default activity of the application as the foreground activity;
the step of calling the application program aggregation service specifically is to call the application program aggregation service by taking the activity name of the foreground activity as an operation parameter so as to execute the UI aggregation instruction.
8. The on-vehicle display screen display control method according to claim 6, wherein the step of calling the application program aggregation service specifically includes:
and starting the aggregation service of the foreground program in a binding mode to enable the application program aggregation service to be bound with the foreground application program or the foreground activity.
9. The on-board display control method according to claim 8, further comprising, after the step of suspending, stopping, or destroying the aggregation activity:
receiving an instruction for exiting the application program input by a user;
acquiring position parameters of an application program process and an aggregation service process in a cache queue;
when the position parameter of the application program process is larger than the position parameter of the application program aggregation service process, and the application program process is destroyed, executing an instruction for destroying the application program aggregation service process;
and when the position parameter of the application program process is smaller than the position parameter of the application program aggregation service process, sending a calling instruction to the application program aggregation service to update the state of the application program aggregation service.
10. The on-board display control method according to claim 8, further comprising, after the step of suspending, stopping, or destroying the aggregation activity:
stopping the foreground activity according to the operation of a user so as to convert the foreground activity into background activity;
executing an instruction for destroying the background activity;
and executing an instruction for destroying the application program aggregation service process.
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