WO2019223540A1 - Procédé et appareil de préchargement de programme d'application, support de stockage, et terminal - Google Patents

Procédé et appareil de préchargement de programme d'application, support de stockage, et terminal Download PDF

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Publication number
WO2019223540A1
WO2019223540A1 PCT/CN2019/086132 CN2019086132W WO2019223540A1 WO 2019223540 A1 WO2019223540 A1 WO 2019223540A1 CN 2019086132 W CN2019086132 W CN 2019086132W WO 2019223540 A1 WO2019223540 A1 WO 2019223540A1
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Prior art keywords
application
preloaded
preloading
interface
abnormality
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PCT/CN2019/086132
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English (en)
Chinese (zh)
Inventor
韩世广
陈岩
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Oppo广东移动通信有限公司
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Publication of WO2019223540A1 publication Critical patent/WO2019223540A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files

Definitions

  • the embodiments of the present application relate to the technical field of application program loading, for example, to a method, a device, a storage medium, and a terminal for preloading an application program.
  • terminals such as smart phones, tablet computers, laptops, and smart home appliances have become essential electronic devices in people's daily lives.
  • terminal devices With the continuous intelligentization of terminal devices, most terminal devices are loaded with operating systems, enabling terminal devices to install a variety of applications to meet different needs of users.
  • the embodiments of the present application provide a method, a device, a storage medium, and a terminal for preloading an application program, which can optimize a preloading solution for the application program.
  • an embodiment of the present application provides a method for preloading an application, including: determining that an application to be preloaded is detected when an application preloading event is detected to be triggered; and performing preloading on the application to be preloaded.
  • the loading operation is performed, and the pre-loading process is monitored; when an abnormality is detected during the pre-loading process, the abnormality is processed.
  • an embodiment of the present application provides an apparatus for preloading an application, including: an application determining module configured to determine an application to be preloaded upon detecting that an application preloading event is triggered; the preloading module, Configured to perform a preload operation on the application to be preloaded; a preload monitoring module configured to monitor a preload process when the preload operation is performed on the application to be preloaded; a preload exception processing module, It is configured to process the abnormality when an abnormality is detected during the preloading process.
  • an embodiment of the present application provides a computer-readable storage medium on which a computer program is stored.
  • the program is executed by a processor, the method for preloading an application program according to the embodiment of the present application is implemented.
  • an embodiment of the present application provides a terminal, including a memory, a processor, and a computer program stored in the memory and executable by the processor.
  • the processor executes the computer program, the implementation is implemented as in the embodiment of the present application The application preloading method.
  • FIG. 1 is a schematic flowchart of an application preloading method according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of a relative position relationship between a preloaded active window stack and a display screen display area according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a relative position relationship between a preloaded active window stack and a display screen display area according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of application interface migration provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of another application preloading method according to an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of another application preloading method according to an embodiment of the present application.
  • FIG. 7 is a structural block diagram of an application preloading device according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of still another terminal provided by an embodiment of the present application.
  • FIG. 1 is a schematic flowchart of an application preloading method according to an embodiment of the present application.
  • the method may be executed by an application preloading device, where the device may be implemented by software and / or hardware, and may generally be integrated in a terminal. As shown in FIG. 1, the method includes steps 101 to 103.
  • step 101 when it is detected that an application preload event is triggered, an application program to be preloaded is determined.
  • the terminal in the embodiments of the present application may include terminal devices such as a mobile phone, a tablet computer, a notebook computer, and smart home appliances.
  • the terminal is loaded with an operating system.
  • the triggering condition of the application preload event can be set according to the actual situation, which is not specifically limited in the embodiment of the present application.
  • an application preload event can be triggered when it is detected that a user's action meets a preset condition (such as picking up a terminal, entering a screen to unlock an operation, or inputting a terminal to unlock an operation, etc.); or when a change to a foreground application is detected, Trigger an application preload event; or you can trigger an application preload event immediately (or after a preset time period has elapsed) after the prediction process of the preloaded application ends; or you can trigger at regular intervals.
  • the system can detect that the application preload event has been triggered by reading a flag bit or receiving a trigger instruction, and the specific detection method is not limited in this embodiment of the present application.
  • the application to be preloaded can be understood as an application that the user may open soon, it can be a fixed application that is set in advance, or an application that is predicted in a certain manner.
  • the applications to be preloaded may include one or more.
  • a prediction model may be used to make predictions on the application to be preloaded.
  • the prediction model can be a machine learning model, and the algorithms used can include Recurrent Neural Networks (RNN), Long Short-Term Memory (LSTM) networks, threshold recurrent units, simple recurrent units, automatic encoding , Decision tree, random forest, feature mean classification, classification regression tree, hidden Markov, K-NearestNeighbor (KNN) algorithm, logistic regression model, Bayesian model, Gaussian model, and KL divergence (Kullback – Leibler divergence) and so on.
  • RNN Recurrent Neural Networks
  • LSTM Long Short-Term Memory
  • KNN K-NearestNeighbor
  • logistic regression model Bayesian model
  • Gaussian model Gaussian model
  • KL divergence Kullback – Leibler divergence
  • training samples can be collected, the preset initial model can be trained by using the training samples, and finally a prediction model for predicting the application to be preloaded can be obtained.
  • the elements included in the training sample may include a time series or sequence sequence in which the application is opened; may include the time, place, and frequency of the application being opened; and may include a running state of the terminal, such as a switch of a mobile data network Status, the connection status of the wireless hotspot, the identity information of the connected wireless hotspot, the currently running application, the previous foreground application, the length of time the current application stays in the background, the time when the current application was last switched to the background,
  • the plugging and unplugging status, charging status, battery power information, and screen display duration of the headphone jack can also include data collected by sensors integrated in the terminal, such as motion sensors, light sensors, temperature sensors, and humidity sensors.
  • an appropriate sample element can be selected according to the selected machine learning model, and the selected machine learning model can be determined according to the selected sample element. It can also be combined with the requirements of prediction accuracy and preset speed.
  • the selection of models and sample elements is not limited in the embodiments of the present application.
  • determining the application to be preloaded may include determining the application to be preloaded according to the output result before the prediction model, or may include performing prediction using the prediction model to determine the current output result of the prediction model to determine the application to be preloaded.
  • the prediction model may output the startup probability of each candidate application set in the candidate application set, and determine the candidate application with a higher startup probability as the standby application. Preload the application.
  • the determining an application to be preloaded includes: predicting a startup probability of a candidate application; and determining a preset number of candidate applications with a high startup probability as the application to be preloaded.
  • the candidate applications may include all applications installed in the terminal, and may also include some applications. Some applications may not include system applications or applications that are rarely used by users. This embodiment of the present application does not limit the manner and quantity of candidate application programs.
  • the candidate applications can be determined according to the number of times and / or the duration of use of each application within a preset period before the current time.
  • the preset period is, for example, one month.
  • the corresponding application is determined as a candidate application, or each application is sorted according to the number of times and / or the duration of use, and the top-ranked application is determined as a candidate application.
  • the prediction model described above may be used to determine the startup probability of each candidate application. For example, according to the training samples during prediction model training, current samples are collected, and the current samples are input into the prediction model to obtain the startup probability of each candidate application.
  • the startup probability can be sorted from high to low, and the candidate N applications (N is a preset value) are determined as the applications to be loaded. This setting can preload multiple applications, and these multiple applications are determined according to the startup probability, which can improve the accuracy of the prediction.
  • step 102 a preloading operation is performed on the application program to be preloaded, and a preloading process is monitored.
  • the multiple applications to be preloaded may be determined one by one as the current one. Applications to be preloaded and preloaded in sequence. You can also determine more than 2 applications to be preloaded as the current to be preloaded and perform preloading operations at the same time, which means that multiple applications are preloaded.
  • the loading process can be performed in parallel.
  • the specific process of preloading and the resources loaded are not limited.
  • corresponding hardware resources may be allocated to the application to be preloaded, and related data required for startup may be loaded based on the allocated hardware resources.
  • it may include application process startup, application process initialization, application service startup, memory allocation, file content reading, network data acquisition, and interface rendering (such as drawing a startup screen of an application or other application interfaces) and the like.
  • pre-loaded resources can also be determined according to the specific type of application to be pre-loaded.
  • the embodiment of the present application monitors the preloading process, so that during the preloading phase of the application, that is, before the application is actually started, the loading abnormality of the application startup resource is found in time.
  • the specific monitoring content can be determined according to the actual situation. Exemplarily, a situation that is prone to occur when the application is started and / or a cause of the situation may be determined through research and other methods, and the corresponding preloaded content is further determined and detected in real time. For example, some applications may crash when they are launched (for example, they appear to crash after a short period of time after the application starts). You can detect whether the application to be preloaded will crash during the preloading phase; and For example, when some applications are launched, page loading errors may occur. You can also check whether the page is successfully loaded during the preloading phase.
  • step 103 if an abnormality is detected during the preloading process, the abnormality is processed.
  • targeted processing when an abnormality is detected during the preloading process, targeted processing may be performed according to the type or severity of the abnormality that occurs.
  • the cause of the abnormal situation may be analyzed, and repair processing shall be performed for the cause, and the preload operation of the current to-be-preloaded application program may be continued or re-exemplified; and as an example, the cause of the abnormal situation may not be analyzed.
  • the cause of the abnormal situation cannot be analyzed, reload the current application to be preloaded. In the above manner, the probability that the pre-loaded application program starts abnormally when it is actually started can be effectively reduced.
  • an application preloading event when it is detected that an application preloading event is triggered, an application to be preloaded is determined, a preloading operation is performed on the preloaded application, and a preloading process is monitored.
  • the abnormality is processed.
  • the target application when a run instruction of a target application in the application to be preloaded is received, the target application is started based on a preloaded resource of the target application. In this way, when the user actually launches an application that has been preloaded, the resources used for startup have been partially or fully preloaded, and anomaly detection has been performed during the preloading process, which can improve the speed of application startup. To increase the probability of the application launching normally.
  • performing the preloading operation on the application to be preloaded includes: simulating starting the application to be preloaded outside a coordinate range of a display screen.
  • a virtual screen area may be set outside the coordinate range of the display screen.
  • the current to-be-loaded application is opened in the virtual screen area based on the preloaded startup resource, and The virtual screen area displays the application interface of the current application to be preloaded, so as to realize the simulation start of the current application to be preloaded.
  • processing the abnormality includes processing the abnormality when an abnormality is detected during the simulation startup process.
  • This setting can simulate the startup process of the application to be preloaded outside the coordinate range of the display screen. This process is invisible to the user, will not interfere with the user's use, and can be timely and accurate during the simulation startup process. To find anomalies.
  • processing the abnormality includes: determining a crash cause when an application crash occurs during the simulation startup process; according to The crash cause is repaired, and the application to be preloaded is simulated and started again. This setting reduces the probability that a pre-loaded, pre-loaded application will crash when it actually starts.
  • the user may encounter a crash when the application starts or is running.
  • the specific performance may be that the application crashes, that is, closes quickly.
  • the application cannot be processed when it is started or running. The behavior of exiting the application from time to time due to an exception or error, the user can only restart the application.
  • SDK Software Development Kit
  • the cause of the crash includes insufficient storage space.
  • the performing repair processing according to the cause of the crash includes: clearing cache data and / or closing a preset type of application running in the background.
  • the cache data in the terminal has not been cleaned for a long time and a large number of cache garbage files are accumulated, the cache data will occupy more system storage space, which will not only affect the smooth running of the system, but also cause the application to crash.
  • the cache data When there are many applications running in the background in the terminal, it will also take up more system memory, which will also easily cause the application to crash.
  • the cache data can be cleared, or the preset type of application running in the background can be closed, or cleaned up at the same time Cache data and close preset types of applications running in the background.
  • the preset type of application can be set by the system by default or set by the user.
  • a preset application list may be maintained in the terminal, and the applications in the preset application list may be considered as preset types of applications, and the applications in the preset application list may generally be used infrequently by the user or not.
  • a level may be set for the cached data, and the cached data of the corresponding level is selected for cleaning according to the severity of the application crash situation during the simulated startup process.
  • the cache data may be set to include a first-level cache, a second-level cache, and a third-level cache.
  • the third-level cache includes cached data in a local database
  • the second-level cache includes cached data in a temporary directory.
  • the first level of cache includes cached data in the Document directory.
  • the simulating startup of the current to-be-loaded application program outside the coordinate range of the display screen includes: based on a pre-created pre-loaded active window stack, corresponding to the to-be-loaded application program.
  • the application interface performs drawing and display, wherein the boundary coordinates corresponding to the preloaded active window stack are outside the coordinate range of the display screen.
  • This setting can draw and display the application interface, simulate the process of the application from startup to display the application interface, and at the same time perform the simulation startup more comprehensively, it can also complete the preparation work before the application startup to a greater extent, and improve the waiting time.
  • the startup speed of the loaded application does not affect the display of the display content of the foreground application on the display screen.
  • the active window may be understood as an independent interface that directly provides users with interaction and operation, and different terms may be used to name the interface in different operating systems.
  • the following description is made by taking an Android operating system as an example.
  • Activity is a component responsible for interacting with the user. It provides a screen (which can be understood as a screen interface instead of a physical display screen) for the user to interactively complete a certain task.
  • an Activity is usually a separate screen, which can display some controls or listen to and handle user events.
  • Task task stack
  • Stack active window stack
  • a Task corresponds to an application.
  • a Task is used to store Activities.
  • a Task can store one or more Activities, and these Activities follow the "first in, first out, last in, first out" principle.
  • Stack is also used to manage Tasks. Generally, a Stack manages the Tasks that each Activity needs to display on a screen.
  • a Stack can manage one or more Tasks.
  • Stack also follows the basic management principles of the Stack.
  • the screens described here are not necessarily complete and independent display screens. Taking “two screens” as an example, these two screens may be just two areas in a complete display screen that independently display their respective display contents. Of course, if the terminal has two or more independent display screens, the "two screens" may also be two independent display screens.
  • multi-window mode is supported, which can include split-screen mode, picture-in-picture mode, and FreeForm.
  • the stack where the application is located can have its own size, which can include the upper, lower, left, and right coordinates in a coordinate system with the upper left corner of the terminal screen as the origin.
  • (a, b, c, d) generally describes a rectangular boundary, which can be expressed by the coordinates of the upper left corner and the lower right corner of the rectangle, that is, the upper left corner of the rectangle is (a, b), right The lower corner coordinate is (c, d), and such a rectangular area corresponds to the size of the Stack.
  • the layout of the application in the stack is based on the size of the stack, which means that the application interface corresponding to the activity is displayed within the boundary of the size.
  • pre-loading the application interface of the target application program outside the display screen can be implemented based on the multi-window mechanism of the operating system, and the size corresponding to the application program is set outside the display screen through the multi-window mechanism to the user. It is not visible, so it will not affect the display content of the foreground application on the display screen.
  • Home Stack represents the stack displayed by desktop applications
  • App Stack represents the stack displayed by third-party applications
  • the contained content can be displayed on a display screen, which is collectively referred to as an application active window stack in the embodiments of the present application.
  • a preloaded active window stack is added to indicate the stack displayed by the preloaded application, and the boundary coordinates of the preloaded stack are set outside the coordinate range of the display screen, and are to be preloaded
  • the application can be displayed on that Stack.
  • a new Stack dedicated to displaying preloaded applications can be created.
  • a new stack is created because the newly created preloaded stack can have its own size and visibility, thereby achieving preloading and simulation startup outside the display screen.
  • the creation timing of the preloaded stack is not limited.
  • the preloaded stack can be set to the resident state by default before the terminal leaves the factory, that is, the preloaded stack always exists; or the terminal can be successfully unlocked when the terminal is powered on Create later; you can also create after the application preload event is triggered (before you determine the application to be preloaded) and so on.
  • the drawing and displaying the application interface corresponding to the application to be preloaded based on the pre-created preloaded active window stack includes: determining whether a pre-created preloaded active window stack exists; if If it does not exist, a preloaded active window stack is created according to a preset rule; and the application interface corresponding to the application to be preloaded is drawn and displayed based on the preloaded active window stack created.
  • This setting can determine whether the pre-loaded stack exists after determining the application to be pre-loaded. If it exists, you do not need to create a new stack. If it does not exist, create it, which can save system resources.
  • the preloading stack has been created before the first application to be preloaded starts to load. After that, the pre-loading stack exists before the second application to be pre-loaded starts to be loaded, and the above judgment may not be necessary.
  • the drawing and displaying an application interface corresponding to the application to be preloaded based on a pre-created preloading active window stack includes: creating a target process corresponding to the application to be preloaded; Creating a task stack corresponding to the application to be preloaded in a pre-created preloading active window stack; starting an active window corresponding to the application to be preloaded in the task stack based on the target process; based on the launched
  • the active window draws and displays an application interface corresponding to the application to be preloaded.
  • the application interface may include a startup interface of an application program and / or a startup animation (such as a startup advertisement).
  • the initialization process of the target process can also be included.
  • pre-loading of other resources may also be involved, such as application service startup, memory allocation, file content reading, and network data acquisition.
  • the embodiments of this application do not limit the pre-loading process of other resources. Can be determined by the characteristics of the application to be preloaded.
  • the above steps describe the preloading process of the application to be preloaded, and during the execution of the above preloading-related steps, the simulated startup of the application to be preloaded is also implemented.
  • the method further includes: sending a fake focus notification to the application to be preloaded, and maintaining a continuous drawing of an application interface corresponding to the application to be preloaded for a preset period of time based on the fake focus notification. And display updates.
  • This setting can complete the drawing and display of the application interface when the application to be preloaded has the focus and is visible to the system, improving the completion of the preloading without affecting the focus of the foreground application.
  • the focus in the embodiments of the present application is also referred to as input focus, and the fake focus and the focus corresponding to the foreground application are independent of each other.
  • the focus is unique. For example, input operations such as touch only take effect on the focus.
  • the system and the application are consistent. Once the system changes the input focus information, it will Send information to the application that the input focus information has changed, this way to ensure that the system and application side input focus information is consistent.
  • the application side can forge the focus by separating the system side and the application side from inputting focus information.
  • the focus notification for the preloaded application is forged, so that the preloaded application has focus information, and the focus information on the system side is still correct.
  • the application to be preloaded can keep the interface updated for a certain period of time after the simulation startup time, which is convenient to accurately locate the abnormal situation.
  • the focus exists on the system side and the application side. It can be considered as the server and the client.
  • the system side records the application that has the focus, and the application side saves a flag to indicate whether it has focus.
  • the timing of falsifying the input focus may be that when the Android window system adds a new window and the focus needs to be updated, a fake focus notification is generated and sent.
  • the method of falsifying the focus may be a method of calling the client side of the window to change the focus of the window, so that the window acquires focus.
  • a fake focus notification can be sent based on the Binder mechanism.
  • the Binder mechanism is the most commonly used method for inter-process communication of the Android system, and adopts a c / s architecture, that is, a client / service architecture.
  • the preset time period may be designed according to actual conditions, for example, it may be within a fixed time range after starting preloading, or it may be a period from starting preloading to completing preloading.
  • the length of the preset time period includes a playing time of starting an advertisement or starting an animation in the target application.
  • some advertisements or animations are usually played.
  • the duration of advertisements or animations usually ranges from 3 seconds to more than ten seconds.
  • the user may not be able to perform any operation, only Can wait for the playback to finish, wasting valuable time of the user.
  • This embodiment of the present application is set up so that the startup advertisement or startup animation can be played off the screen before the application to be preloaded is launched.
  • the application to be preloaded When the application to be preloaded is launched, it can directly enter the main page of the application or other user-operable Interface to further advance the operable time point of the application to be preloaded and reduce waiting time.
  • application crashes or other abnormalities may also occur, and the preloading process can be more fully monitored.
  • the method further includes: upon receiving the When the target application runs, the application interface corresponding to the target application included in the preloaded active window stack is migrated to the display screen for display.
  • This setting can directly migrate the already drawn application interface to the display screen for display when the target application really needs to be started, which can achieve fast switching of the application interface and improve startup speed.
  • the migrating an application interface corresponding to the target application included in the preloaded active window stack to the display screen for display includes: The task stack corresponding to the target application is migrated to the top of the application active window stack; the size information, configuration information, and visibility of the task stack are updated to implement the application interface corresponding to the target application on the display screen display.
  • This setting can ensure the stability of the interface migration process, and ensure that there are no screens, black screens, or slow migration speeds during the recovery process.
  • the display mode of the display screen usually includes vertical screen display and horizontal screen display.
  • Many applications use vertical screen display by default, and some The application program is displayed in a horizontal screen mode (such as some online games) by default.
  • some applications may switch between the horizontal and vertical screen display as the user holds the terminal.
  • a boundary coordinate corresponding to the preloaded active window stack is (H, 0, 2H, H)
  • a coordinate system corresponding to the boundary coordinate is a system coordinate
  • an origin of the system coordinate is In the upper left corner of the display screen
  • H is the length of the long side of the display area of the display screen.
  • FIG. 2 is a schematic diagram of a relative position relationship between a preloaded active window stack and a display screen display area according to an embodiment of the present application.
  • the display screen is in the vertical screen mode
  • the origin of the terminal system coordinates is the left vertex (0,0) of the display screen 201
  • the width direction of the display screen 201 is the X axis
  • the height direction is the Y axis.
  • FIG. 3 is a schematic diagram of a relative position relationship between another preloaded active window stack and a display screen display area according to an embodiment of the present application.
  • the display screen is in landscape mode
  • the origin of the terminal system coordinates is the left vertex (0,0) of the display screen 301
  • the height direction of the display screen 301 is the X axis
  • the width direction is the Y axis.
  • the boundary coordinates corresponding to loading Stack202 are (H, 0, 2H, H), where H is the screen height, that is, the area within the solid rectangle on the left is the main screen display area, and the area within the rectangle on the right dashed line is the preload display area.
  • the horizontal axis of the upper left corner is H, which is to prevent the display screen (also called the home screen) from being displayed on the pre-loaded application interface when the screen is horizontal, because the home screen has a horizontal screen mode in addition to the vertical screen mode.
  • the horizontal coordinate of the upper left corner of the rectangular area corresponding to the preloaded stack is set to the screen height.
  • the vertical coordinate of the upper left corner is 0, so that the preloaded application can correctly calculate the height of the status bar.
  • the Android application will customize the top status bar. If the corresponding vertical coordinate is not equal to 0, the height of the status bar may be wrong.
  • the applicant set the size of the preloaded stack to (H, 0, 2H, H).
  • FIG. 4 is a schematic diagram of an application interface migration provided by an embodiment of the present application.
  • an application corresponding to the target application included in the active window stack is preloaded.
  • the interface 401 is migrated to the display screen 201 for display.
  • the task to which the preloaded application interface belongs is migrated to the top of the application activity window Stack, and the size information, configuration information, and visibility of the task are updated to thereby apply the interface. Able to display normally on the display screen.
  • processing the abnormality includes: detecting that the application to be preloaded is detected based on a pre-created preloaded active window stack.
  • the display exception may include at least one of a loading failure on the interface, a failure to obtain network data, a missing element, and a script error.
  • the startup interface or startup animation when an application starts usually contains data that is dynamically updated on the network side, and the interface needs to be loaded and displayed according to the data obtained from the network side.
  • a monitoring file may be built in the terminal, and loading information of each application interface of the installed application program in the mobile terminal may be determined in advance, and the monitoring file may be written into the monitoring file.
  • the interface displays whether an abnormality occurs for real-time detection. Exemplarily, it can also cooperate with a monitoring platform to implement detection of interface anomalies. For example, during the process of drawing and displaying the application interface, a monitoring request is sent to the monitoring platform, and the monitoring request is used to instruct the monitoring platform to detect the loading component of the pre-loaded application program, and feedback the element detection information to the terminal.
  • the element detection information may include a schema (schema) and a document object model (dom) monitoring element.
  • the monitoring platform can store the element detection information of the components to be preloaded by the application to be preloaded. For the loaded components contained in the application to be preloaded, deploy the corresponding monitoring points and the schema for monitoring. Language path) to obtain the corresponding dom monitoring element, and store the schema and dom monitoring elements as element detection information.
  • the terminal can activate the pre-injected monitoring file in the preset application, and use the monitoring file and the received element detection information to perform anomaly detection on the page loading process.
  • the abnormality detection may include interface loading failure detection, network data acquisition failure detection, element missing detection, and script (such as javascript) error detection.
  • redrawing and displaying the current application interface can increase the probability that the application interface is normally displayed, so that when the pre-loaded application program is actually started, the application interface Can display normally.
  • the method before the drawing and displaying the application interface corresponding to the application to be preloaded based on the pre-created preloading active window stack, the method further includes predicting that the application to be preloaded contains The target interface, wherein the target interface includes an interface that is predicted to be opened by a user according to a historical running rule of the application to be preloaded.
  • the drawing and displaying the application interface corresponding to the to-be-loaded application program based on the pre-created pre-loading active window stack includes: corresponding to the to-be-loaded application program based on the pre-created pre-loading active window stack.
  • the target interface is drawn and displayed. This setting can predict the interface that the user is about to open, and preload the interface.
  • the interface opening speed is further increased.
  • the display of the target interface is abnormal during the simulation startup phase.
  • the target interface can be redrawn and displayed to reduce the probability of the display abnormality when the user actually opens the target interface.
  • the number of target interfaces is not limited, and may include one or more.
  • users In the process of using the application, users usually have their own habits and operate the application according to their own habits, so that the application will show certain operating rules under the user's operation, such as opening each interface Sequence or frequency, the length of time spent on each interface, etc., can collect data related to the above operating rules (such as the log information corresponding to the application program), statistics or analyze the historical operating rules of the application program, when you need to predict the target interface, according to the The historical running rule corresponding to the application predicts the interface that will be opened by the user.
  • the target interface can be predicted based on the current usage scenario. After pre-loading the target interface, if the user chooses to launch an application that has been pre-loaded, the application will be launched based on the pre-loaded startup resources.
  • predicting the target interface included in the application to be preloaded may include: according to the order in which each interface included is opened, the frequency of opening, or the stay during the running process of the application to be preloaded in the historical sampling period. Duration, predicts the target interface contained in the application to be preloaded.
  • the historical sampling period may include a time period obtained after tracing a preset duration from the current moment forward. For example, 30 days forward from today, the length of the historical sampling period is 1 month; and another 24 hours forward from 9 am, the length of the historical sampling period is 1 day.
  • the historical sampling period can also be a fixed period, for example, from the 1st of each month to the end of the current month, or from 0 to 24 o'clock every day.
  • each interface may include multiple interfaces. Take WeChat as an example, including chat list interface, chat interface, address book interface, circle of friends interface, scan interface, shake Shake interface and wallet interface.
  • the terminal can record the running rule of the application program under the user's operation.
  • the order in which each interface is opened may include the first interface, the second interface that is opened under the user's operation after the application is started, ...
  • the Nth interface which forms a sequence of opening sequences, among which the first interface It is not the startup interface that is opened by default when the application starts, but an interface that requires the user to actively open it. The same interface can be ignored after being opened for the first time, that is, it is not included in the opening sequence.
  • the frequency with which an interface is opened may include the total number of times that the interface was opened during the historical sampling period, or the number of times that the interface was opened within a unit time period (for example, 5 minutes) during the historical sampling period.
  • the dwell time of an interface may include the length of time that the interface is continuously displayed on the display screen. During the display, the user can view the content of the interface or slide the interface.
  • predicting the target interface included in the application to be preloaded may also include: obtaining current usage scenario information, and predicting the target interface included in the application to be preloaded according to the current usage scenario information.
  • the use scene information may include, for example, the location of the terminal, the operating status of the terminal (such as the on / off status of the mobile data network, the connection status of the wireless hotspot, the identity information of the connected wireless hotspot, and the plugging state of the headset jack , Charging status, battery power information, and screen display time, etc.), data collected by sensors integrated in the terminal (such as motion sensors, light sensors, temperature sensors, and humidity sensors) and so on. This setting can predict the target interface more accurately.
  • the method before detecting that the application preloading event is triggered, before determining the application to be preloaded, the method further includes: during the application running process, when an interface switch occurs, collecting and using scene information as training For the sample, the switched interface is recorded as a sample mark corresponding to the training sample, and a preset machine learning model is trained according to the training sample and the corresponding sample mark to obtain an interface prediction model.
  • the predicting a target interface included in the application to be preloaded according to the current usage scenario information includes inputting the current usage scenario information into the interface prediction model, and determining based on an output result of the interface prediction model. Target interface.
  • the machine learning model can be trained using the collected training samples.
  • the target interface prediction is required, the prediction is performed based on the output of the prediction model. The prediction speed is fast and the result accuracy is high.
  • the target interface can also be comprehensively determined in combination with the order in which each interface included is opened, the frequency or duration of stay, and the current usage scenario information during the running of the application to be preloaded in the historical sampling period. To further improve prediction accuracy.
  • the order in which each interface is opened, the frequency of opening, or the length of stay can be used as part of the training sample and added to the above training sample containing the use scene information to train the preset machine learning model to obtain the interface prediction model. To make the output of the model more accurate.
  • the display abnormality of the target interface may also include at least one of interface loading failure, network data acquisition failure, missing element, and script error. Related descriptions can refer to the corresponding content in the previous article, and will not be repeated here.
  • simultaneous monitoring may be performed for application crashes and abnormal interface display.
  • simulating startup of the application to be preloaded outside the coordinate range of the display screen includes drawing and displaying an application interface corresponding to the application to be preloaded based on a pre-created preloaded active window stack. .
  • processing the abnormality includes: when an application program crash is detected during the simulation startup process, determining the cause of the crash, and repairing according to the crash cause Processing, and re-simulating startup of the application to be preloaded; in the process of drawing and displaying the application interface corresponding to the application to be preloaded based on the pre-created preloaded active window stack, the current When the application interface is abnormal, the current application interface is redrawn and displayed. This setting can more comprehensively perform anomaly detection on the preloading process.
  • FIG. 5 is a schematic flowchart of another application preloading method according to an embodiment of the present application. The method includes steps 501 to 506.
  • step 501 when it is detected that an application preload event is triggered, an application program to be preloaded is determined.
  • step 502 the application to be preloaded is simulated and started outside the coordinate range of the display screen.
  • step 503 the simulation startup process is monitored to determine whether an application crash occurs. Based on the judgment result of the application crash, step 504 is performed; based on the judgment result of no application crash, the step 506 is performed.
  • step 504 the cause of the crash is determined, and repair processing is performed according to the cause of the crash.
  • the cause of the crash is insufficient storage space, you can clear the cache data and close the preset type of application running in the background; if the cause of the crash is an application version compatibility issue, you can perform an automatic version upgrade of the application or prompt the user whether to proceed Version upgrade; if the cause of the crash is related to the current network condition or memory card, the user can be prompted to check the network status or memory card status.
  • step 505 the application to be preloaded is simulated and started outside the coordinate range of the display screen again.
  • step 506 when a run instruction of the target application in the application to be preloaded is received, the target application is started based on the preloaded resources of the target application.
  • the application preloading method provided in the embodiment of the present application after determining the application to be preloaded, performs preloading in the manner of an off-screen simulation startup, and performs anomaly detection during the preloading process. If an application crash is detected, Situation, take repair measures according to the analysis of the cause of the crash, and re-preload to ensure the correctness of the preload.
  • the resources used for startup have been partially or completely Pre-loading, and anomaly detection during the pre-loading process, can improve the startup speed of the application, while increasing the probability of the application starting normally.
  • FIG. 6 is a schematic flowchart of another application preloading method according to an embodiment of the present application. As shown in FIG. 6, the method includes steps 601 to 607.
  • step 601 when a change in the foreground application is detected, a preset application prediction model is used to predict the startup probability of the candidate application.
  • the triggering condition of the application preload event may be detecting a change in the foreground application program.
  • step 602 a predetermined number of candidate application programs with a higher startup probability are determined as the application programs to be preloaded.
  • step 603 for the current application to be preloaded, the target interface is predicted, a corresponding target process is created, a corresponding task stack is created in the preloaded active window stack, and a corresponding active window is started in the task stack based on the target process.
  • step 604 a target interface is drawn and displayed based on the activated active window.
  • step 605 it is determined whether the display of the target interface is abnormal, and based on the determination result of the display of the target interface, step 606 is performed; based on the determination of the display of the target interface, the display is abnormal, step 607 is performed.
  • step 606 the target interface is drawn and displayed again based on the activated active window.
  • the display exception may include at least one of a loading failure on the interface, a failure to obtain network data, a missing element, and a script error.
  • the above display abnormalities may no longer appear, because during the interface drawing process, the above abnormalities may be affected by various factors such as the network. When redrawing, it may cause the previous The cause of the secondary anomaly has disappeared.
  • the target interface is drawn and displayed again, further detection may be performed. If the display abnormality still occurs, the third drawing and display may be performed.
  • the application does not limit the number of detections and the number of repeated drawing and display. Set freely according to the actual situation.
  • step 607 when receiving a running instruction of the target application in the application to be preloaded, the target interface corresponding to the target application included in the preloaded active window stack is migrated to a display screen for display.
  • multiple predicted applications to be preloaded may be preloaded in order from high to low in startup probability.
  • an application preloading and monitoring process is used as an example for description.
  • the preset value is four.
  • the predicted applications to be preloaded include WeChat, Today's Headline, Alipay and Baidu Maps.
  • the first pre-loaded application was WeChat, followed by Today's Headline, Alipay, and Baidu Map.
  • the current application to be preloaded in step 603 is WeChat
  • the target interface corresponding to WeChat is the circle of friends interface.
  • step 605 it is determined whether the circle of friends interface displays abnormality. If it appears, redraw and display it. , You can use today ’s headline as the new current application to be preloaded, repeat step 603, and so on, and then preload Alipay and Baidu maps.
  • step 607 if the user clicks the application icon of Alipay, the terminal will receive the Alipay operation instruction.
  • the pre-loaded Alipay target interface (such as Ant Forest) can be removed from the pre-loaded active window.
  • the stack is migrated to the display screen for display.
  • Alipay When Alipay is quickly launched, it also directly opens the predicted user's upcoming interface, which saves the user from opening the target interface. In addition, it can also ensure the success rate of the target interface's normal display.
  • the application preloading method uses a prediction model to predict an application to be preloaded to be started when a foreground application changes, and predicts a target interface to be opened by a user in the application to be preloaded.
  • the target interface is drawn and displayed in advance based on the off-screen preloaded Stack, and display anomalies are detected in real time.
  • the target interface is redrawn and displayed, and the user is preloaded when the user actually starts
  • it can improve the startup speed of the application and directly enter the target interface, and also ensure the success rate of the target interface's normal display.
  • FIG. 7 is a structural block diagram of an application preloading device according to an embodiment of the present application.
  • the device may be implemented by software and / or hardware, and is generally integrated in a terminal.
  • the application preloading method may be performed to perform application preloading. load.
  • the device includes an application determining module 701, a preloading module 702, a preloading monitoring module 703, and a preloading exception processing module 704.
  • the application determining module 701 is configured to determine an application to be preloaded when it is detected that an application preloading event is triggered.
  • the preloading module 702 is configured to perform a preloading operation on the application to be preloaded.
  • the preload monitoring module 703 is configured to monitor a preload process when a preload operation is performed on the application to be preloaded.
  • the preloading exception processing module 704 is configured to process the abnormality when an abnormality is detected during the preloading process.
  • the application preloading device determines that an application to be preloaded is detected when an application preloading event is triggered, performs a preloading operation on the preloaded application, and monitors the preloading process When an abnormality is detected during the preloading process, the abnormality is processed.
  • anomaly detection can be performed in the preloading phase of the application, and processing can be performed when an abnormality is detected, thereby improving the preloading function.
  • the preloading module is configured to: simulate the startup of the application to be preloaded outside the coordinate range of the display screen; and the preloading exception processing module is configured to: upon detecting the simulation startup When an abnormality occurs during the process, the abnormality is processed.
  • the preloading exception processing module is configured to: determine the cause of the crash when an application crash is detected during the simulation startup process; perform repair processing according to the crash cause, and re-process the Wait for the pre-loaded application to simulate startup.
  • the cause of the crash includes insufficient storage space; the preloading exception processing module is configured to: clear cache data and / or close a preset type of application running in the background.
  • the pre-loading module is configured to draw and display an application interface corresponding to the application to be pre-loaded based on a pre-created pre-loading active window stack, wherein the pre-loading active window stack The corresponding boundary coordinates are outside the coordinate range of the display screen.
  • the preloading exception processing module is configured to: during the process of drawing and displaying the application interface corresponding to the application to be preloaded based on the detection of a preloaded active window stack created in advance, the current When the application interface is abnormal, the current application interface is redrawn and displayed.
  • the device further includes: an interface prediction module configured to predict an application interface before drawing and displaying an application interface corresponding to the application to be preloaded based on a pre-created preloaded active window stack.
  • the target interface included in the application to be preloaded is described, wherein the target interface includes an interface that is predicted to be opened by the user according to the historical running rule of the application to be preloaded; the preloading module is configured to: A pre-created pre-loaded active window stack is used to draw and display a target interface corresponding to the application to be pre-loaded.
  • An embodiment of the present application further provides a storage medium containing computer-executable instructions.
  • the method is configured to perform an application preloading method.
  • the method includes: detecting an application preloading event. When triggered, determine the application to be preloaded; perform a preload operation on the application to be preloaded, and monitor the preload process; and when an abnormality is detected during the preload process, target the Handle the exception.
  • Storage medium any of various types of memory devices or storage devices.
  • the term "storage medium” is intended to include: installation media, such as Compact Read-Only Memory (CD-ROM), floppy disks, or magnetic tape devices; computer system memory or random access memory, such as dynamic random access memory ( Dynamic Random Access Memory (DRAM), Double Data Rate Random Access Memory (DDRRAM), Static Random Access Memory (SRAM), Extended Data Output Random Access (Extended Data Output Output) Random Access Memory (EDORAM), Rambus RAM, etc .; non-volatile memory, such as flash memory, magnetic media (such as hard disk or optical storage); registers or other similar types of memory elements.
  • the storage medium may further include other types of memory or a combination thereof.
  • the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network such as the Internet.
  • the second computer system may provide program instructions to the first computer for execution.
  • the term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems connected through a network.
  • the storage medium may store program instructions (for example, embodied as a computer program) executable by one or more processors.
  • a storage medium including computer-executable instructions provided in the embodiments of the present application is not limited to the application preloading operation described above, and may also execute the application provided by any embodiment of the present application Related operations in the preload method.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • the terminal 800 may include: a memory 801, a processor 802, and a computer program stored on the memory 801 and executable by the processor 802. When the processor 802 executes the computer program, the application program according to the embodiment of the present application is implemented. Preload method.
  • the terminal provided in the embodiment of the present application can perform anomaly detection during the preloading phase of the application program, and perform processing when an abnormality is detected, thereby improving the preloading function.
  • FIG. 9 is a schematic structural diagram of another terminal according to an embodiment of the present application.
  • the terminal may include: a housing (not shown in the figure), a memory 901, a central processing unit (CPU) 902 (also referred to as processing). (Hereinafter referred to as CPU), a circuit board (not shown in the figure) and a power supply circuit (not shown in the figure).
  • CPU central processing unit
  • FIG. 9 is a schematic structural diagram of another terminal according to an embodiment of the present application.
  • the terminal may include: a housing (not shown in the figure), a memory 901, a central processing unit (CPU) 902 (also referred to as processing). (Hereinafter referred to as CPU), a circuit board (not shown in the figure) and a power supply circuit (not shown in the figure).
  • CPU central processing unit
  • the circuit board is disposed in a space surrounded by the housing; the CPU 902 and the memory 901 are disposed on the circuit board; and the power supply circuit is configured to supply power to various circuits or devices of the terminal;
  • the memory 901 is configured to store executable program code; the CPU 902 runs a computer program corresponding to the executable program code by reading the executable program code stored in the memory 901 to implement the following steps: When an application preload event is detected, determine the application to be preloaded; perform a preload operation on the application to be preloaded, and monitor the preload process; if an abnormality is detected during the preload process, In this case, the abnormality is processed.
  • the terminal further includes: a peripheral interface 903, a radio frequency (RF) circuit 905, an audio circuit 906, a speaker 911, a power management chip 908, an input / output (I / O) subsystem 909, and other
  • RF radio frequency
  • the input / control device 910, the touch screen 912, other input / control devices 910, and the external port 904, these components communicate through one or more communication buses or signal lines 907.
  • the illustrated terminal 900 is only an example of the terminal, and the terminal 900 may have more or fewer components than those shown in the figure, may combine two or more components, or may have Different component configurations.
  • the various components shown in the figures can be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and / or application specific integrated circuits.
  • the terminal uses a mobile phone as an example.
  • Memory 901 which can be accessed by CPU902, peripheral interface 903, etc.
  • the memory 901 can include high-speed random access memory, and can also include non-volatile memory, such as one or more disk storage devices, flash memory devices , Or other volatile solid-state storage devices.
  • the I / O subsystem 909 which can connect input / output peripherals on the device, such as touch screen 912 and other input / control devices 910, to peripheral interface 903.
  • the I / O subsystem 909 may include a display controller 9091 and one or more input controllers 9092 configured to control other input / control devices 910. Among them, one or more input controllers 9092 receive electrical signals from or send electrical signals to other input / control devices 910.
  • Other input / control devices 910 may include physical buttons (press buttons, rocker buttons, etc.) ), Dial, slide switch, joystick, click wheel. It is worth noting that the input controller 9092 may be connected to any of the following: a keyboard, an infrared port, a universal serial bus (Universal Serial Bus, USB) interface, and a pointing device such as a mouse.
  • USB Universal Serial Bus
  • a touch screen 912 which is an input interface and an output interface between a user terminal and a user, and displays a visual output to the user.
  • the visual output may include graphics, text, icons, videos, and the like.
  • the display controller 9091 in the I / O subsystem 909 receives an electric signal from the touch screen 912 or sends an electric signal to the touch screen 912.
  • the touch screen 912 detects a contact on the touch screen, and the display controller 9091 converts the detected contact into interaction with a user interface object displayed on the touch screen 912, that is, realizes human-computer interaction.
  • the user interface object displayed on the touch screen 912 may be running Icons for games, icons connected to the appropriate network, etc. It is worth noting that the device may also include a light mouse, which is a touch-sensitive surface that does not display visual output, or an extension of the touch-sensitive surface formed by a touch screen.
  • the RF circuit 905 is mainly configured to establish communication between a mobile phone and a wireless network (that is, a network side), and realize data reception and transmission of the mobile phone and the wireless network. For example, send and receive text messages, e-mail, and so on.
  • the RF circuit 905 receives and sends RF signals.
  • the RF signals are also referred to as electromagnetic signals.
  • the RF circuit 905 converts electrical signals into electromagnetic signals or converts electromagnetic signals into electrical signals, and communicates with the communication network through the electromagnetic signals. As well as other devices.
  • RF circuit 905 may include known circuits configured to perform these functions, including but not limited to antenna systems, RF transceivers, one or more amplifiers, tuners, one or more oscillators, digital signal processors, codecs (COder-DECoder, CODEC) chipset, Subscriber Identity Module (SIM), and so on.
  • the audio circuit 906 is mainly configured to receive audio data from the peripheral interface 903, convert the audio data into an electrical signal, and send the electrical signal to the speaker 911.
  • the speaker 911 is configured to restore a voice signal received by the mobile phone from the wireless network through the RF circuit 905 to a sound and play the sound to a user.
  • the power management chip 908 is configured to provide power and power management for the hardware connected to the CPU 902, the I / O subsystem, and peripheral interfaces.
  • the application preloading device, the storage medium, and the terminal provided in the foregoing embodiments can execute the application preloading method provided by any embodiment of the present application, and have corresponding function modules for executing the method.
  • application preloading method provided in any embodiment of the present application.

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Abstract

Selon ses modes de realisation, la présente invention concerne un procédé et un appareil de préchargement de programme d'application, un support de stockage, et un terminal. Ledit procédé comporte les étapes consistant: lorsqu'il est détecté qu'un événement de préchargement d'application est déclenché, à déterminer un programme d'application à précharger; à effectuer une opération de préchargement sur l'application à précharger et à surveiller un processus de préchargement; et lorsqu'il est détecté qu'une anomalie survient dans le processus de préchargement, à traiter l'anomalie.
PCT/CN2019/086132 2018-05-21 2019-05-09 Procédé et appareil de préchargement de programme d'application, support de stockage, et terminal WO2019223540A1 (fr)

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