WO2021115257A1 - 应用切换方法、装置、存储介质及电子设备 - Google Patents

应用切换方法、装置、存储介质及电子设备 Download PDF

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Publication number
WO2021115257A1
WO2021115257A1 PCT/CN2020/134541 CN2020134541W WO2021115257A1 WO 2021115257 A1 WO2021115257 A1 WO 2021115257A1 CN 2020134541 W CN2020134541 W CN 2020134541W WO 2021115257 A1 WO2021115257 A1 WO 2021115257A1
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Prior art keywords
application
coprocessor
data
target
application processor
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PCT/CN2020/134541
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English (en)
French (fr)
Inventor
马亚辉
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Oppo广东移动通信有限公司
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Publication of WO2021115257A1 publication Critical patent/WO2021115257A1/zh

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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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
    • G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/329—Power saving characterised by the action undertaken by task scheduling
    • 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
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • 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
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4482—Procedural
    • 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt

Definitions

  • This application relates to the field of communication technology, and in particular to an application switching method, device, storage medium, and electronic equipment.
  • the embodiments of the present application provide an application switching method, device, storage medium, and electronic equipment, which can increase the switching speed of application switching.
  • an embodiment of the present application provides an application switching method applied to an electronic device.
  • the electronic device includes an application processor and a coprocessor, the application processor is electrically connected to the coprocessor, and the The power consumption when the coprocessor is running is less than the power consumption when the application processor is running, and the method includes:
  • the coprocessor determines the first data required to run the target application according to the application switching request, and the application switching request is used to request switching from the current application to the target application;
  • the coprocessor invokes the target preset code of the target application in the stored shared firmware
  • the coprocessor runs the target application based on the target preset code and the first data.
  • an embodiment of the present application provides an application switching device, the device is applied to an electronic device, the electronic device includes an application processor and a coprocessor, and the application processor is electrically connected to the coprocessor The power consumption when the coprocessor is running is less than the power consumption when the application processor is running, the coprocessor includes the device, and the device includes:
  • the determining module is configured to, when an application switching request is received, the coprocessor determines the first data required to run the target application according to the application switching request, and the application switching request is used to request switching from the current application to the Target application
  • a sending module configured to send a data acquisition request from the coprocessor to the application processor and receive first data sent by the application processor, and the data acquisition request is used to request the application processor to acquire the First data
  • the running module is used for the coprocessor to run the target application based on the target preset code and the first data.
  • an embodiment of the present application further provides a storage medium on which a computer program is stored, and when the computer program is run on a computer, the computer is caused to execute the application switching method provided in any of the embodiments of the present application .
  • an embodiment of the present application provides an electronic device.
  • the electronic device includes a memory, an application processor, and a coprocessor.
  • the application processor is electrically connected to the coprocessor, and the coprocessor runs When the power consumption is less than the power consumption when the application processor is running, the coprocessor and the application processor call the computer program stored in the memory, and the coprocessor and the application processor are used to execute:
  • the coprocessor determines the first data required to run the target application according to the application switching request, and the application switching request is used to request switching from the current application to the target application;
  • the coprocessor invokes the target preset code of the target application in the stored shared firmware
  • the coprocessor runs the target application based on the target preset code and the first data.
  • FIG. 1 is a schematic diagram of the first structure of an electronic device provided by an embodiment of the present application.
  • Fig. 2 is a schematic diagram of a scenario of an application switching method provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of the first flow of an application switching method provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a second flow of an application switching method provided by an embodiment of the present application.
  • Fig. 5 is a first structural schematic diagram of an application switching apparatus provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a second structure of an application switching apparatus provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.
  • the idea of the present invention is: with the development of chip technology, the performance of the main processor in electronic devices such as mobile phones, tablets, etc. is getting stronger and stronger, and can handle more tasks. However, as the performance of the main processor increases, some consumption Applications with smaller resources are also processed by the main processor, which will cause unnecessary power consumption. Therefore, in the process of reducing the power consumption of the electronic device, it is proposed to provide a coprocessor in the electronic device to assist the main processor in processing simple tasks with extremely low power consumption, thereby reducing the power consumption of the electronic device. Furthermore, it is proposed that part of the application is completed by a coprocessor. Then, when there are multiple applications processed by the coprocessor, the memory of the coprocessor is too small and the firmware needs to be reloaded.
  • the coprocessor re-sends the target firmware of the application to be switched through the application processor, and then the coprocessor resets some parameters for loading the target firmware, so that the coprocessor loads the target firmware of the application to be switched.
  • the coprocessor needs to continuously load the firmware of different applications.
  • the electronic device may cause black screens, freezes, and other phenomena.
  • the present invention proposes another direction.
  • multiple applications are implemented in a coprocessor with limited memory
  • multiple applications are coexisted in one firmware
  • multiple applications are included in one firmware
  • the application data is segmented.
  • the code and resource files are divided, and data (such as resource files) that occupies a lot of memory is stored on the main processor side, and data that occupies less memory (such as code) is stored on the coprocessor side. Since the application code itself occupies very little memory, multiple applications can be stored in the coprocessor.
  • resource files are dynamically loaded from the main processor side, so as to ensure that the application switching speed is faster, and the electronic device does not appear black screens, freezes, and other phenomena.
  • the embodiment of the application provides an application switching method.
  • the execution subject of the application switching method may be the application switching device provided in the embodiment of the application, or an electronic device integrated with the application switching device, wherein the application switching device may use hardware or Realized by software.
  • FIG. 1 is a schematic diagram of a first structure of an electronic device provided by an embodiment of this application.
  • the electronic device proposed in the embodiment of the present application includes an application processor, a coprocessor, and a display screen, and the power consumption of the coprocessor is lower than that of the application processor.
  • the coprocessor and the application processor are connected with peripheral components through a communication bus.
  • the communication bus may be an I2C (Inter-Integrated Circuit, two-wire serial bus) or SPI (Serial Peripheral Interface, serial peripheral interface) bus.
  • I2C Inter-Integrated Circuit, two-wire serial bus
  • SPI Serial Peripheral Interface, serial peripheral interface
  • the application processor can be used as the main control SOC (System on Chip) of the electronic device.
  • memory is integrated on the application processor.
  • the application processor can be used to control various functions when the electronic device is in the bright screen mode.
  • the coprocessor is a low-power SOC
  • the power consumption in the working state is much smaller than the power consumption of the application processor in the working state, it is integrated with memory, and the frequency of the coprocessor is much lower than that of the application processor.
  • the memory capacity of the processor is also smaller than the memory capacity of the application processor.
  • the coprocessor can be used to control some relatively small functions when the electronic device is in the off-screen display mode.
  • the Always On Display (AOD) mode refers to a display mode in which the electronic device displays information on the display screen in the off-screen mode.
  • the application processor can enter the dormant state, and the co-processor enters the working state. Under extremely low power consumption, dynamic display, refresh, touch screen processing, and some applications of the screen are realized. The operation of the program.
  • the co-processor can control the update and display of information such as time, date, weather, calendar, etc., and can also control the display of shortcut tool icons on the off-screen display interface, and can also support Some lightweight applications such as e-books, compasses, calculators, etc. run.
  • FIG. 2 is a schematic diagram of a scenario of an application switching method provided by an embodiment of the present application.
  • electronic devices include application processors (Application Processor) and coprocessors (coprocessor).
  • the operating power consumption of the coprocessor is less than the operating power consumption of the application processor.
  • the application can be run through the coprocessor inside the electronic device to save the power of the electronic device.
  • the coprocessor generates a data acquisition request from the first data of the target application that needs to be run, and sends the data acquisition request information to the application processor, and the application processor sends the data information of the first data to the coprocessor.
  • the processor runs the target application through the first data and the target preset code of the target application stored by the coprocessor.
  • FIG. 3 is a first flowchart of the application switching method provided by an embodiment of the present application.
  • the application switching method can increase the speed of application switching, and the application switching method includes the following processes:
  • the coprocessor receives an application switching request.
  • the coprocessor When the coprocessor runs multiple applications, it needs to switch between multiple applications, or when the coprocessor runs a certain application, it needs to run a new application. At this time, it also needs to switch the currently running application. Before switching applications, the coprocessor will receive an application switching request, where the application request may be input by the user or automatically generated when the electronic device switches the application.
  • the coprocessor determines the first data required to run the target application according to the application switching request.
  • the memory is mainly occupied by code and data.
  • the code includes application code, driver code, etc.
  • the data includes some variables declared in the code.
  • the data during application runtime occupies a large amount of memory. For example, it needs to be displayed when the application is running.
  • the data corresponding to the application display is stored in the source file through RGB values.
  • the storage resources occupied by these data are very large. Storing these large-storage data in the coprocessor consumes a lot of storage space.
  • the coprocessor when switching an application to the target application, it is necessary to determine the first data required by the target application when it is running. These first data can be stored in the application processor to save the storage space of the coprocessor. However, when running the target application, the first data of the target application needs to be obtained. At this time, the coprocessor generates a data acquisition request corresponding to the first data according to the first data.
  • the data acquisition request may also include the name of the target application, verification information, and application type. and many more.
  • the first data may include resource files required by the target runtime, for example, files required for application display, or audio files.
  • the coprocessor sends a data acquisition request to the application processor and receives the first data sent by the application processor.
  • the coprocessor may send the data acquisition request to the application processor.
  • the coprocessor can use the trigger of the coprocessor to interrupt the coprocessor according to the application switching request, so as to wake up the application processor and send a data acquisition request to the application processor, where the coprocessor can send data to the application processor through the mailbox Get the request.
  • the application processor may acquire the first data corresponding to the target application according to the data acquisition request, and send the first data to the coprocessor.
  • the application processor after the application processor obtains the data acquisition request, it can first determine the first data acquired by the target application, and determine whether there is private data in the first data, such as photos, password libraries, etc., through the application in the data list.
  • the name, application type, verification key and other verification information are used to determine the legitimacy of the target application. If the target application is legitimate, the first data is sent to the coprocessor; if the verified information is illegal, the privacy data will be excluded The first data of is sent to the coprocessor, and the user is prompted whether to allow the target application to obtain private data.
  • the coprocessor calls the stored target preset code of the target application in the shared firmware.
  • the coprocessor can handle some simple tasks, such as calculators, mini games, compasses, etc.
  • Some codes of these applications are fixed, such as driver code and hardware abstraction layer code. Applications are fixed, and multiple applications can use these fixed codes. For multiple applications of the same type, even the code at the application layer is partly the same.
  • These fixed codes can be stored in the same shared firmware, and the preset codes of each application can also be obtained.
  • some application layer codes can also be stored in the shared firmware.
  • the preset codes can also be stored in the shared firmware. Includes fixed codes that can be shared by multiple applications.
  • multiple preset applications may store preset codes in a common firmware, where each preset application has a corresponding preset code. After the coprocessor obtains the first data corresponding to the target application, the target preset code corresponding to the target application may be called in the shared firmware, and the first data is loaded through the target preset code.
  • the coprocessor runs the target application based on the target preset code and the first data.
  • the second data of the current application at runtime in the shared firmware can be cleared, and the first data can be stored in the shared firmware at the same time , And then call the target preset code in the common firmware, and load the first data through the target preset code to run the target application, where the first data contains the resource files required by the target application when it runs.
  • the target application before running the target application, it can also be detected whether the number of applications run by the coprocessor exceeds the preset number of applications. If the number of applications run by the coprocessor does not exceed the preset number of applications, it is directly based on the shared firmware and The first data runs the target application. If the number of applications run by the coprocessor exceeds the preset number of applications, the current applications already running on the coprocessor are prioritized according to the priority, and the current applications that are already running are cleared according to the priority. , So that the target application can run.
  • the priority of the current application can be obtained according to the historical use time of the current application.
  • the current application with a long historical use time indicates that the current application is an application frequently used by the user, and the current application of the historical use time can be set
  • the target application before running the target application, it can also be detected whether the memory capacity occupied by the current application running on the coprocessor reaches a preset threshold. If the memory capacity occupied by the current application reaches the preset threshold, it is indicated The current application needs to be cleaned up so that the target application has enough memory space when it is running.
  • the coprocessor determines the first data required to run the target application according to the application switching request, and the coprocessor sends a data acquisition request to the application processor and receives the data acquisition request sent by the application processor.
  • the first data is that the coprocessor calls the target preset code of the target application in the stored shared firmware, and the coprocessor runs the target application based on the target preset code and the first data.
  • FIG. 4 is a schematic diagram of the second process of the application switching method provided by an embodiment of the present application.
  • the application switching method can increase the speed of application switching.
  • the application switching method includes the following processes:
  • the coprocessor acquires preset codes corresponding to multiple preset applications.
  • co-processors and application processors On electronic devices, such as portable electronic devices such as mobile phones and tablet computers, there are co-processors and application processors. Since the performance of co-processors is weaker than that of application processors, the applications handled by co-processors are also limited. , Such as small games, calculators, compasses and other applications that have low performance requirements. These applications are preset applications that can be run by the coprocessor.
  • the preset codes of multiple preset applications may be the same or different.
  • each preset application has a corresponding code, and some of the codes in multiple preset applications are the same and are fixed, such as driver code and hardware abstraction layer code, which are fixed for all applications . It is also possible to select codes corresponding to each preset application that are different from other preset applications, such as the application layer code of each preset application, and these application codes are different.
  • the coprocessor stores preset codes corresponding to multiple preset applications in a common firmware.
  • the preset codes in the common firmware can be called. Set the preset code corresponding to the application, and record the resource file corresponding to the preset application at the same time.
  • the coprocessor determines the first data required to run the target application according to the application switching request.
  • the coprocessor When the coprocessor runs multiple applications, it needs to switch between multiple applications, or when the coprocessor runs a certain application, it needs to run a new application. At this time, it also needs to switch the currently running application. Before switching applications, the coprocessor will receive an application switching request, where the application request may be input by the user or automatically generated when the electronic device switches the application.
  • the target application needs corresponding data at runtime to run normally.
  • the target application that needs to be run can be determined according to the application switching request, and then the first data required for the target application to run is determined, where the first data includes the target application
  • the resource file at runtime, the data acquisition request includes information such as the application name and authentication key.
  • the coprocessor sends an interrupt signal to the application processor in the drive layer according to the application switching request, so as to wake up the application processor and send a data acquisition request to the application processor.
  • the application processor may be in a dormant state or stopped working at this time.
  • the application processor needs to communicate to the application processor through the driver layer. Send an interrupt signal to wake up the application processor and send a data acquisition request to the application processor.
  • the coprocessor can send the data acquisition request to the application processor through the mailbox.
  • the coprocessor receives the first data sent by the application processor.
  • the application processor After the application processor receives the data acquisition request sent by the coprocessor, it will read the data acquisition request, determine the target application that needs to acquire the data, then acquire the first data corresponding to the target application, and send the first data to the coprocessor in.
  • the application processor may also determine whether the first data obtained by the target application is data information corresponding to the target application through the verification key in the data list, so as to prevent the target application from stealing application information of other applications.
  • the owning processor may also directly determine the first data through the application name and application identifier of the target application in the data acquisition request, and then acquire the first data, and send the first data to the coprocessor.
  • the coprocessor determines a storage area of the second data when the current application is running.
  • the preset application in the coprocessor occupies a certain amount of storage space when it is running.
  • a storage area specifically to store the runtime data of the preset application before running the target application, you can determine the current Apply the storage area at runtime, and then determine whether the remaining storage space in the storage area is sufficient for storing the first data. If the remaining storage space in the storage area can continue to store the first data, divide the storage area into at least two One of the data storage spaces is used to store the first data, and the other is used to store the second data. If the remaining storage space in the storage area cannot store the first data, step 207 is entered.
  • the second data corresponding to the current application may be cleared, and then the first data may be stored in the storage area to meet the runtime requirements of the target application.
  • the current application can also be frozen, for example, the process of the current application is locked, and then the second data is compressed to reduce the memory usage of the second data, and then the first data is stored in the storage In the area, this can not only guarantee the runtime requirements of the target application, but also ensure that the current application can be quickly started by decompressing the second data and thawing the current application process when switching to the current application.
  • the coprocessor calls the stored target preset code of the target application in the shared firmware, and runs the target application based on the target preset code and the first data.
  • the common firmware can be directly called at this time, and then the first data is loaded through the common firmware to realize the operation of the target application.
  • the preset code in the shared firmware such as the application layer code, driver layer code, hardware abstraction layer code, etc. corresponding to each preset application.
  • the preset code in the shared firmware By obtaining the preset code in the shared firmware, The first data of the target application is loaded by the preset code to run the target application.
  • the coprocessor determines the first data required to run the target application according to the application switching request, and the coprocessor sends a data acquisition request to the application processor and receives the data acquisition request sent by the application processor.
  • the first data is that the coprocessor calls the target preset code of the target application in the stored shared firmware, and the coprocessor runs the target application based on the target preset code and the first data.
  • the application switching device 300 includes: a determining module 310, a sending module 320, a calling module 330, and an operating module 340.
  • the determining module 310 is configured to, when an application switching request is received, the coprocessor determines the first data required to run the target application according to the application switching request, and the application switching request is used to request switching from the current application To the target application.
  • the determination module 310 will receive an application switching request, where the application request may be input by the user or automatically generated when the electronic device switches the application.
  • the coprocessor can handle some simple tasks, such as calculators, mini games, compasses, etc.
  • Some codes of these applications are fixed, such as driver code and hardware abstraction layer code. Applications are fixed, and multiple applications can use these fixed codes. For multiple applications of the same type, even the code at the application layer is partly the same.
  • These fixed codes can be stored in the same shared firmware, and the preset codes of each application can also be obtained.
  • some application layer codes can also be stored in the shared firmware.
  • the preset codes can also be stored in the shared firmware. Includes fixed codes that can be shared by multiple applications.
  • the determining module 310 when the application is switched to the target application, the determining module 310 needs to obtain the first data required by the target application when the target application is running. These data can be stored in the application processor to save the storage space of the coprocessor. , But the first data of the target application needs to be obtained when running the target application. At this time, the coprocessor generates a data list corresponding to the first data according to the first data. The data list can also include the name of the target application, verification information, application type, etc. Wait.
  • the sending module 320 is configured to send the coprocessor a data acquisition request to the application processor and receive the first data sent by the application processor, and the data acquisition request is used to request the application processor to acquire the data. ⁇ Said the first data.
  • the application processor When the coprocessor is in the working state, the application processor may be in a dormant state or stopped working at this time.
  • the coprocessor needs to communicate with the application processor, and the sending module 320 needs to send an interrupt to the application processor through the driver layer. Signal to wake up the application processor and send a data acquisition request to the application processor.
  • the coprocessor can send the data acquisition request to the application processor through the mailbox.
  • the application processor After the application processor receives the data list sent by the coprocessor, it reads the data list, obtains the target application of the data, then obtains the first data corresponding to the target application, and sends the first data to the coprocessor.
  • the calling module 330 is used for the coprocessor to call the stored target preset code of the target application in the shared firmware.
  • multiple preset applications may store preset codes in a common firmware, where each preset application has a corresponding preset code.
  • the calling module 330 may call the target preset code corresponding to the target application in the shared firmware, and load the first data through the target preset code.
  • the running module 340 is used for the coprocessor to run the target application based on the target preset code and the first data.
  • the running module 340 may clear the second data at the runtime of the current application in the shared firmware, and at the same time may store the first data in In the shared firmware, the target preset code in the shared firmware is then called, and the running module 340 loads the first data through the target preset code to run the target application, where the first data contains resource files required by the target application to run.
  • FIG. 6 is a second structural schematic diagram of the application switching device provided by an embodiment of the present application, where the application switching device further includes: an acquisition module 350 and a storage module 360.
  • the obtaining module 350 is used for the coprocessor to obtain preset codes corresponding to multiple preset applications.
  • the preset codes of multiple preset applications may be the same or different.
  • each preset application has a corresponding code, and some of the codes in multiple preset applications are the same and are fixed, such as driver code and hardware abstraction layer code, which are fixed for all applications . It is also possible to select codes corresponding to each preset application that are different from other preset applications, such as the application layer code of each preset application, and these application codes are different.
  • the obtaining module 350 may obtain the preset code corresponding to each preset application.
  • the storage module 360 is configured to store the preset codes corresponding to the multiple preset applications in the shared firmware by the coprocessor.
  • the storage module 360 integrates these preset codes and stores them in the shared firmware.
  • the shared firmware runs a certain preset application, the shared firmware can be called
  • the preset code corresponding to the preset application also records the resource file corresponding to the preset application.
  • the coprocessor determines the first data required to run the target application according to the application switching request, and the coprocessor sends a data acquisition request to the application processor and receives the data acquisition request sent by the application processor.
  • the first data is that the coprocessor calls the target preset code of the target application in the stored shared firmware, and the coprocessor runs the target application based on the target preset code and the first data.
  • FIG. 7 is a schematic diagram of the second structure of the electronic device provided by the embodiments of the application.
  • the electronic device further includes: a radio frequency circuit 403, a display screen 404, a control circuit 405, an input unit 406, an audio circuit 407, a sensor 408, a touch circuit 410, and a power supply 409.
  • the application processor 401 and the co-processor 402 are electrically connected to the radio frequency circuit 403, the display screen 404, the control circuit 405, the input unit 406, the audio circuit 407, the sensor 408, the touch circuit 410, and the power supply 409, respectively.
  • the radio frequency circuit 403 is used to transmit and receive radio frequency signals to communicate with network equipment or other electronic equipment through wireless communication.
  • the display screen 404 may be used to display information input by the user or information provided to the user and various graphical user interfaces of the electronic device. These graphical user interfaces may be composed of images, text, icons, videos, and any combination thereof.
  • the control circuit 405 is electrically connected to the display screen 404 for controlling the display screen 404 to display information.
  • the input unit 406 can be used to receive inputted numbers, character information, or user characteristic information (such as fingerprints), and generate keyboard, mouse, joystick, optical or trackball signal input related to user settings and function control.
  • the input unit 406 may include a fingerprint recognition module.
  • the audio circuit 407 can provide an audio interface between the user and the electronic device through a speaker and a microphone.
  • the audio circuit 407 includes a microphone.
  • the microphone is electrically connected to the processor 401.
  • the microphone is used to receive voice information input by the user.
  • the sensor 408 is used to collect external environmental information.
  • the sensor 408 may include one or more of sensors such as an environmental brightness sensor, an acceleration sensor, and a gyroscope.
  • the power supply 409 is used to supply power to various components of the electronic device.
  • the power supply 409 may be logically connected to the application processor 401 and the co-processor 402 through a power management system, so that functions such as charging, discharging, and power consumption management can be managed through the power management system.
  • the electronic device in FIG. 7 also includes a memory.
  • the memory can include multiple memories.
  • the memory can be used to store software programs and modules.
  • the application processor 401 and the coprocessor 402 execute various software programs and modules stored in the memory.
  • the memory may mainly include a storage program area and a storage data area.
  • the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Use the created data (such as audio data, phone book, etc.) and so on.
  • the memory may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the memory may also include a memory controller to provide access to the memory by the application processor 401 and the coprocessor 402.
  • the electronic device may also include a camera, a Bluetooth module, etc., which will not be repeated here.
  • the application processor 401 and the coprocessor 402 in the electronic device will load the instructions corresponding to the process of one or more first computer programs into the memory according to the following steps, and the application processor 401 and the coprocessor 402 run computer programs stored in the memory, thereby realizing various functions:
  • the coprocessor determines the first data required to run the target application according to the application switching request, and the application switching request is used to request switching from the current application to the target application;
  • the coprocessor invokes the target preset code of the target application in the stored shared firmware
  • the coprocessor runs the target application based on the target preset code and the first data.
  • the coprocessor before the coprocessor receives the application switching request, the coprocessor is used to execute:
  • the coprocessor obtains preset codes corresponding to a plurality of preset applications
  • the coprocessor stores the preset codes corresponding to the plurality of preset applications in the shared firmware.
  • the coprocessor when the coprocessor sends a data acquisition request to the application processor and receives the first data sent by the application processor, the coprocessor is configured to execute:
  • the application processor is used to execute:
  • the coprocessor is used to execute:
  • the coprocessor receives the first data sent by the application processor.
  • the application processor when the application processor receives the data acquisition request sent by the coprocessor and sends the first data to the coprocessor, the application processor is configured to execute:
  • the application processor obtains the stored first data according to the verification information and sends the first data to the coprocessor.
  • the application processor when the application processor obtains the verification information of the target application in the data acquisition request, the application processor is configured to execute:
  • the application processor verifies the data acquisition request according to the verification key to obtain verification information of the target application.
  • the coprocessor when the coprocessor runs the target application based on the target preset code and the first data, the coprocessor is configured to execute:
  • the coprocessor clears the second data in the storage area and stores the first data in the storage area
  • the coprocessor runs the target application according to the first data and the target preset code in the storage area.
  • the coprocessor when the coprocessor runs the target application based on the target preset code and the first data, the coprocessor is configured to execute:
  • the coprocessor compresses the second data when the current application is running to reduce the memory usage of the second data
  • the coprocessor runs the target application according to the first data and the target preset code.
  • the coprocessor determines the first data required to run the target application according to the application switching request, and the coprocessor sends the application
  • the processor sends a data acquisition request and receives the first data sent by the application processor, the coprocessor calls the stored target preset code of the target application in the shared firmware, and the coprocessor runs the target application based on the target preset code and the first data.
  • An embodiment of the present application also provides a storage medium in which a computer program is stored.
  • the computer program When the computer program is run on a computer, the computer executes the application switching method described in any of the above embodiments.
  • the storage medium may include, but is not limited to: read only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc.

Abstract

一种应用切换方法、装置、存储介质及电子设备。当接收到应用切换请求时(101)，协处理器根据应用切换请求确定运行目标应用所需要的第一数据(102)，并向应用处理器发送数据获取请求并接收应用处理器发送的第一数据(103)。协处理器调用存储的共用固件中目标应用的目标预设代码(104)，并基于目标预设代码和第一数据运行目标应用(105)。

Description

应用切换方法、装置、存储介质及电子设备
本申请要求于2019年12月12日提交中国专利局、申请号201911276863.0、发明名称为“应用切换方法、装置、存储介质及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，具体涉及一种应用切换方法、装置、存储介质及电子设备。
背景技术
随着电子技术的发展，各式各样的电子设备已成为用户生活工作中不可或缺的工具，电子设备能够支持的功能也越来越多。例如，用户可以通过电子设备实现通话功能、网购功能、导航功能、游戏功能等。
然而，电子设备支持的功能越来越多的同时，电子设备的功耗也越来越高。如何降低电子设备的功耗，延长电子设备的续航时间，以及在降低功耗的同时保证用户使用应用程序的流畅度，成为当前亟待解决的问题。
发明内容
本申请实施例提供一种应用切换方法、装置、存储介质及电子设备，能够提高应用切换的切换速度。
第一方面，本申请实施例提供了一种应用切换方法，应用于电子设备，所述电子设备包括应用处理器和协处理器，所述应用处理器与所述协处理器电连接，所述协处理器运行时的功耗小于所述应用处理器运行时的功耗，所述方法包括：
当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用；
所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据；
所述协处理器调用存储的共用固件中所述目标应用的目标预设代码；
所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
第二方面，本申请实施例提供了一种应用切换装置，所述装置应用于电子设备，所述电子设备包括应用处理器和协处理器，所述应用处理器与所述协处理器电连接，所述协处理器运行时的功耗小于所述应用处理器运行时的功耗，所述协处理器包括所述装置，所述 装置包括：
确定模块，用于当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用；
发送模块，用于所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据；
调用模块，用于所述协处理器调用存储的共用固件中所述目标应用的目标预设代码；
运行模块，用于所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
第三方面，本申请实施例还提供一种存储介质，其上存储有计算机程序，当所述计算机程序在计算机上运行时，使得所述计算机执行如本申请任一实施例提供的应用切换方法。
第四方面，本申请实施例提供了一种电子设备，所述电子设备包括存储器、应用处理器和协处理器，所述应用处理器与所述协处理器电连接，所述协处理器运行时的功耗小于所述应用处理器运行时的功耗，所述协处理器和应用处理器通过调用所述存储器中存储的计算机程序，所述协处理器和应用处理器用于执行：
当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用；
所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据；
所述协处理器调用存储的共用固件中所述目标应用的目标预设代码；
所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的电子设备的第一结构示意图。
图2是本申请实施例提供的应用切换方法场景示意图。
图3是本申请实施例提供的应用切换方法的第一流程示意图。
图4是本申请实施例提供的应用切换方法的第二流程示意图。
图5是本申请实施例提供的应用切换装置的第一结构示意图。
图6是本申请实施例提供的应用切换装置的第二结构示意图。
图7是本申请实施例提供的电子设备的第二结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
本发明的构思是：随着芯片的技术发展，目前手机、平板等电子设备中的主处理器性能越来越强大，可以处理更多的任务，但是随着主处理器性能的提升，一些消耗资源较小的应用也由主处理器进行数据处理，会造成不必要的电量损耗。因此，在降低电子设备功耗的过程中，提出在电子设备中设置一协处理器，以辅助主处理器处理简单的任务且消耗电量极低，从而降低电子设备的功耗。进一步地，提出部分应用由协处理器完成。然后，协处理器处理的应用有多个时，受限于协处理器的内存太小，需要重新加载固件。一种方向是：协处理器通过应用处理器重新将要切换应用的目标固件发送过来，然后协处理器重新设置加载目标固件的一些参数，以使协处理器加载要切换应用的目标固件。如按照该方向，当需要频繁地切换应用时，协处理器需要不停的加载不同应用的固件，在此过程中，可能会导致电子设备黑屏、卡顿等现象发生。
因此，本发明提出另一种方向，在内存受限的协处理器中实现多个应用时，将多个应用共存于一个固件，通过一个固件包含多个应用，且将应用的数据进行切分，例如将代码和资源文件切分，占用内存大的数据(例如资源文件)存储在主处理器侧，占用内存少的数据(例如代码)存放在协处理器侧。由于应用代码本身占用的内存极少，所以可以在协处理器中存放多个应用。切换应用时，从主处理器侧动态加载资源文件，从而确保应用切换的速度较快，不致电子设备出现黑屏、卡顿等现象。
本申请实施例提供一种应用切换方法，该应用切换方法的执行主体可以是本申请实施 例提供的应用切换装置，或者集成了该应用切换装置的电子设备，其中该应用切换装置可以采用硬件或者软件的方式实现。
本申请实施例还提供一种电子设备，电子设备可以是智能手机、平板电脑、掌上电脑、笔记本电脑、或者台式电脑等设备。请参阅图1，图1为本申请实施例提供的电子设备的第一种结构示意图。本申请实施例提出的电子设备包括应用处理器、协处理器和显示屏，协处理器的功耗低于应用处理器。协处理器和应用处理器通过通信总线与外围组件连接。其中，通信总线可以是I2C(Inter－Integrated Circuit，两线式串行总线)或者SPI(Serial Peripheral Interface，串行外设接口)总线。在其他实施例中也可以采用其他格式的通信总线，在此不作具体限制。
其中，应用处理器可以作为电子设备的主控SOC(System on Chip，系统级芯片)。在一些实施例中，应用处理器上集成有存储器。应用处理器可以用于电子设备处于亮屏模式时各种功能控制。
其中，协处理器是一个低功耗SOC，在工作状态下的功耗远小于应用处理器在工作状态下的功耗，其上集成有存储器，协处理器的频率远小于应用处理器，协处理器的内存的容量也小于应用处理器的内存的容量。
协处理器可以用于电子设备处于熄屏显示模式时一些相对运算较小的功能控制。熄屏显示(Always On Display，AOD)模式，指电子设备在熄屏模式下由显示屏显示信息的一种显示模式。本申请中，电子设备进入熄屏显示模式后，应用处理器可以进入休眠状态，协处理器进入工作状态，在极低功耗下，实现屏幕的动态显示、刷新、触屏处理，以及一些应用程序的运行。例如，在电子设备处于熄屏显示模式下，协处理器可以控制时间、日期、天气、日历等信息的更新与显示，还可以控制快捷工具的图标在熄屏显示界面上的显示，还可以支持一些如电子书、指南针、计算器等轻量级应用程序的运行。
请参阅图2，图2是本申请实施例提供的应用切换方法的场景示意图。其中电子设备包括，应用处理器(Application Processor)和协处理器(coprocessor)，其中协处理器运行时的功耗小于应用处理器运行时的功耗，在处理性能需求比较低的任务时，能够节省电子设备的电能。
在电子设备运行对处理性能要求较低的应用时，可以通过电子设备内部的协处理器来运行该应用，以此来节省电子设备的电量，在需要对协处理器运行的应用进行切换时，协处理器将需要运行的目标应用的第一数据生成一个数据获取请求，并将包含数据获取请求信息发送至应用处理器，应用处理器再将第一数据的数据信息发送到协处理器，协处理器 在接收到第一数据之后，通过第一数据和协处理器存储的目标应用的目标预设代码来运行目标应用。通过这种方式来切换应用，能够快速切换上一应用至下一应用。
请继续参阅图3，图3是本申请实施例提供的应用切换方法的第一流程示意图。该应用切换方法能够提高应用切换的速度，该应用切换方法包括以下流程：
101、协处理器接收应用切换请求。
在协处理器运行多个应用时，在多个应用之间需要切换使用，或者协处理器在运行某一应用时，需要运行新的应用，此时也需要切换当前运行的应用。在切换应用之前，协处理器会接收到应用切换请求，其中应用请求可以是用户输入的，也可以是电子设备切换应用时自动生成的。
102、协处理器根据应用切换请求确定运行目标应用所需要的第一数据。
可以理解的是，应用运行时，占用内存的主要为代码和数据，其中代码包含应用代码、驱动代码等，数据包含代码中声明的一些变量。但是应用运行时的数据占用的内存较大，比如在应用运行时的需要进行显示，其中应用显示对应的数据都是通过RGB值存储在源文件中的，这些数据占用的存储资源非常大，如果将这些存储量较大的数据存储在协处理器中，非常占用存储空间。
在一些实施方式中，在切换应用至目标应用时，需要确定目标应用运行时所需要的第一数据，这些第一数据可以存储在应用处理器中，以此来节省协处理器的存储空间，但是运行目标应用时需要获取目标应用的第一数据，此时协处理器根据第一数据生成第一数据对应的数据获取请求，数据获取请求中还可以包含目标应用的名称、验证信息、应用类型等等。
需要说明的是，其中第一数据可以包括目标运行时所需要的资源文件，例如应用显示时所需要的文件，或者音频文件等等。
103、协处理器向应用处理器发送数据获取请求并接收应用处理器发送的第一数据。
在一些实施方式中，在生成目标应用运行时需要的第一数据对应的数据获取请求之后，协处理器可以将数据获取请求发送到应用处理器中。例如，协处理器可以根据应用切换请求利用协处理器的触发协处理器发生中断，从而唤醒应用处理器，向应用处理器发送数据获取请求，其中协处理器可以通过邮箱向应用处理器发送数据获取请求。
应用处理器收到数据获取请求之后，可以根据数据获取请求获取目标应用对应的第一数据，并将第一数据发送到协处理器中。
在一些实施方式中，应用处理器获取数据获取请求之后，可以先确定目标应用获取的 第一数据，判断第一数据中是否有隐私数据，例如照片、密码库等数据，通过数据清单中的应用名称、应用类型、验证密匙等验证信息等来判断目标应用的合法性，若目标应用合法，则将第一数据发送至协处理器；若验证的信息不合法，则将除隐私数据之外的第一数据发送至协处理器，并提示用户是否允许目标应用获取隐私数据。
104、协处理器调用存储的共用固件中目标应用的目标预设代码。
在一些实施例中，协处理器可以处理一些简单的任务，例如计算器、小游戏、指南针等等，这些应用的一些代码是固定的，例如驱动代码和硬件抽象层代码，这些代码对所有的应用都是固定的，多个应用都可以使用这些固定的代码。对于相同类型的多个应用，甚至应用层的代码也有部分是相同的。
可以将这些固定的代码存储在同一个共用固件中，还可以获取每个应用的预设代码，例如一些应用层的代码也可以存储在共用固件中，需要说明的是，其中预设代码也可以包括多个应用可以共用的固定代码。
在一些实施例中，多个预设应用可以将预设代码存储在共用固件中，其中每个预设应用都有对应的预设代码。在协处理器获取到目标应用对应的第一数据之后，可以在共用固件中调用目标应用对应的目标预设代码，通过目标预设代码来加载第一数据。
105、协处理器基于目标预设代码和第一数据运行目标应用。
在一些实施例中，在协处理器获取到目标应用运行时的第一数据之后，可以对共用固件中的当前应用运行时的第二数据进行清除，同时可以将第一数据存储在共用固件中，然后调用共用固件中的目标预设代码，通过目标预设代码来加载第一数据来运行目标应用，其中第一数据中有目标应用运行时所需要的资源文件。
在一些实施例中，在运行目标应用之前，还可以检测协处理器运行的应用数量是否超过预设应用数量，若协处理器运行的应用数量未超过预设应用数量，则直接根据共用固件和第一数据运行目标应用，若协处理器运行的应用数量超过预设应用数量，则根据优先级对协处理器已经运行的当前应用进行优先级获取，根据优先级对已经运行的当前应用进行清除，以使目标应用能够运行。
其中，对当前应用的优先级获取，可以根据当前应用的历史使用时长进行获取，历史使用时长较长的当前应用，说明该当前应用是用户经常使用的应用，可以对历史使用时长的当前应用设置较高的优先级，对于历史使用时长较低的当前应用，则对历史使用时长较低的应用设置较低的优先级。
在一些实施例中，在运行目标应用之前，还可以检测在协处理器上运行的当前应用所 占用的内存容量是否达到预设阈值，若当前应用占用的内存容量达到预设阈值了，则说明需要清理当前应用，使得目标应用运行时有足够的内存空间。
本申请实施例中，当接收到应用切换请求时，协处理器根据应用切换请求确定运行目标应用所需要的第一数据，协处理器向应用处理器发送数据获取请求并接收应用处理器发送的第一数据，协处理器调用存储的共用固件中目标应用的目标预设代码，协处理器基于目标预设代码和第一数据运行目标应用。通过将包含多个预设应用代码的共用固件存储在协处理器中，在需要切换应用时，获取共用固件中的目标应用的目标预设代码和应用处理器发送的第一数据来运行目标应用，能够确保应用切换的速度。
请继续参阅图4，图4是本申请实施例提供的应用切换方法的第二流程示意图，该应用切换方法能够提高应用切换的速度，该应用切换方法包括以下流程：
201、协处理器获取多个预设应用对应的预设代码。
在电子设备上，例如手机、平板电脑等便携式电子设备，其中有协处理器和应用处理器，由于协处理器的性能相对于应用处理器性能较弱，则协处理器处理的应用也是有限的，例如小游戏、计算器、指南针等对性能要求较小的应用程序，这些应用程序为协处理器可以运行的预设应用程序。
在一些实施例中，多个预设应用的预设代码可以是相同的，也可以是不同的。例如，每个预设应用有对应的代码，多个预设应用中也有一部分代码是相同的，是固定不变的，例如驱动代码和硬件抽象层代码，这些代码对所有的应用都是固定的。还可以选取每一个预设应用对应的区别于其他预设应用的代码，例如每个预设应用的应用层代码，这些应用代码是不同的。
202、协处理器将多个预设应用对应的预设代码存储在共用固件中。
在获取到多个预设应用的对应的预设代码之后，通过将这些预设代码进行整合并存储在共用固件中，在共用固件运行某一预设应用的时候，可以调用共用固件中该预设应用对应的预设代码，同时记载该预设应用对应的资源文件。
203、接收到应用切换请求时，协处理器根据应用切换请求确定运行目标应用所需要的第一数据。
在协处理器运行多个应用时，在多个应用之间需要切换使用，或者协处理器在运行某一应用时，需要运行新的应用，此时也需要切换当前运行的应用。在切换应用之前，协处理器会接收到应用切换请求，其中应用请求可以是用户输入的，也可以是电子设备切换应用时自动生成的。
其中，目标应用在运行时需要对应数据才能正常的运行，此时可以根据应用切换请求确定需要运行的目标应用，然后确定目标应用运行时所需要的第一数据，其中第一数据中包括目标应用运行时的资源文件，数据获取请求中包括应用名称、验证密匙等信息。
204、协处理器根据应用切换请求在驱动层对应用处理器发送中断信号，以唤醒应用处理器并向应用处理器发送数据获取请求。
可以理解的是，在协处理器处于工作状态时，此时应用处理器可能处于休眠状态或者是停止工作状态，协处理器要与应用处理器之间进行通信，需要通过驱动层向应用处理器发送中断信号，来唤醒应用处理器，并向应用处理器发送数据获取请求。
此时协处理器可以通过邮箱将数据获取请求发送到应用处理器中。
205、协处理器接收应用处理器发送的第一数据。
应用处理器在接收到协处理器发送的数据获取请求之后，会读取数据获取请求，确定需要获取数据的目标应用，然后获取目标应用对应的第一数据，将第一数据发送到协处理器中。
在一些实施方式中，应用处理器还可以通过数据清单中的验证密匙来判断目标应用获取的第一数据是否为目标应用对应的数据信息，防止目标应用盗取其他应用的应用信息。
在一些实施方式中，拥有处理器还可以通过数据获取请求中的目标应用的应用名称、应用标识来直接确定第一数据，然后获取第一数据，将第一数据发送至协处理器中。
206、协处理器确定当前应用运行时的第二数据的存储区域。
在一些实施例中，协处理器中预设应用在运行时会占用一定的存储空间，通过设置一个存储区域专门用来存储预设应用运行时的数据，在运行目标应用之前，可以先确定当前应用运行时的存储区域，然后判断存储区域中剩余的存储空间是否满足将第一数据存储在其中，若存储区域中剩余的存储空间可以继续存放第一数据，则对存储区域划分为至少两个数据存储空间，一个用来存储第一数据，另一个用来存储第二数据，若存储区域中剩余的存储空间不能存放第一数据，则进入步骤207中。
207、清除第二数据并将第一数据存储在存储区域中。
为了保证存储区域的剩余存储量满足第一数据的存放，可以将当前应用对应的第二数据进行清除，然后将第一数据存储在存储区域中，以满足目标应用运行时的需求。
在一些实施方式中，还可以对当前应用进行冻结，例如，将当前应用的进程锁定，然后对第二数据进行数据压缩，使得第二数据的内存占用减少，然后再将第一数据存储在存储区域中，这样既可以保证目标应用运行时的需求，也可以保证在切换到当前应用时，能 够通过对第二数据的解压，对当前应用进程的解冻，来实现对当前应用的快速启动。
208、协处理器调用存储的共用固件中目标应用的目标预设代码，并基于目标预设代码和第一数据运行目标应用。
在一些实施方式中，如果共用固件采用的是多个预设应用都可以使用的固定代码生成的，则此时可以直接调用共用固件，然后通过共用固件加载第一数据来实现目标应用的运行。
在一些实施方式中，还可以获取共用固件中的预设代码，例如每个预设应用对应的应用层代码、驱动层代码、硬件抽象层代码等等，通过获取共用固件中的预设代码，通过预设代码加载目标应用的第一数据来运行目标应用。
本申请实施例中，当接收到应用切换请求时，协处理器根据应用切换请求确定运行目标应用所需要的第一数据，协处理器向应用处理器发送数据获取请求并接收应用处理器发送的第一数据，协处理器调用存储的共用固件中目标应用的目标预设代码，协处理器基于目标预设代码和第一数据运行目标应用。通过将包含多个预设应用代码的共用固件存储在协处理器中，在需要切换应用时，获取共用固件中的目标应用的目标预设代码和应用处理器发送的第一数据来运行目标应用，能够确保应用切换的速度。
请继续参阅图5，图5是本申请实施例提供的应用切换装置的第一结构示意图。该应用切换装置300包括：确定模块310、发送模块320、调用模块330、运行模块340。
其中，确定模块310，用于当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用。
在协处理器运行多个应用时，在多个应用之间需要切换使用，或者协处理器在运行某一应用时，需要运行新的应用，此时也需要切换当前运行的应用。在切换应用之前，确定模块310会接收到应用切换请求，其中应用请求可以是用户输入的，也可以是电子设备切换应用时自动生成的。
在一些实施例中，协处理器可以处理一些简单的任务，例如计算器、小游戏、指南针等等，这些应用的一些代码是固定的，例如驱动代码和硬件抽象层代码，这些代码对所有的应用都是固定的，多个应用都可以使用这些固定的代码。对于相同类型的多个应用，甚至应用层的代码也有部分是相同的。
可以将这些固定的代码存储在同一个共用固件中，还可以获取每个应用的预设代码，例如一些应用层的代码也可以存储在共用固件中，需要说明的是，其中预设代码也可以包 括多个应用可以共用的固定代码。
在一些实施方式中，在切换应用至目标应用时，确定模块310需要获取目标应用运行时所需要的第一数据，这些数据可以存储在应用处理器中，以此来节省协处理器的存储空间，但是运行目标应用时需要获取目标应用的第一数据，此时协处理器根据第一数据生成第一数据对应的数据清单，数据清单中还可以包含目标应用的名称、验证信息、应用类型等等。
发送模块320，用于所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据。
在协处理器处于工作状态时，此时应用处理器可能处于休眠状态或者是停止工作状态，协处理器要与应用处理器之间进行通信，发送模块320需要通过驱动层向应用处理器发送中断信号，来唤醒应用处理器，并向应用处理器发送数据获取请求。
此时协处理器可以通过邮箱将数据获取请求发送到应用处理器中。
应用处理器在接收到协处理器发送的数据清单之后，会读取数据清单，获取数据的目标应用，然后获取目标应用对应的第一数据，将第一数据发送到协处理器中。
调用模块330，用于所述协处理器调用存储的共用固件中所述目标应用的目标预设代码。
在一些实施例中，多个预设应用可以将预设代码存储在共用固件中，其中每个预设应用都有对应的预设代码。在协处理器获取到目标应用对应的第一数据之后，调用模块330可以在共用固件中调用目标应用对应的目标预设代码，通过目标预设代码来加载第一数据。
运行模块340，用于所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
在一些实施例中，在协处理器获取到目标应用运行时的第一数据之后，运行模块340可以对共用固件中的当前应用运行时的第二数据进行清除，同时可以将第一数据存储在共用固件中，然后调用共用固件中的目标预设代码，运行模块340通过目标预设代码来加载第一数据来运行目标应用，其中第一数据中有目标应用运行时所需要的资源文件。
请继续参阅图6，图6是本申请实施例提供的应用切换装置的第二结构示意图，其中应用切换装置还包括：获取模块350和存储模块360。
获取模块350，用于所述协处理器获取多个预设应用对应的预设代码。
在一些实施例中，多个预设应用的预设代码可以是相同的，也可以是不同的。例如， 每个预设应用有对应的代码，多个预设应用中也有一部分代码是相同的，是固定不变的，例如驱动代码和硬件抽象层代码，这些代码对所有的应用都是固定的。还可以选取每一个预设应用对应的区别于其他预设应用的代码，例如每个预设应用的应用层代码，这些应用代码是不同的。获取模块350可以获取每个预设应用对应的预设代码。
存储模块360，用于所述协处理器将所述多个预设应用对应的预设代码存储在所述共用固件中。
在获取到多个预设应用的对应的预设代码之后，存储模块360将这些预设代码进行整合并存储在共用固件中，在共用固件运行某一预设应用的时候，可以调用共用固件中该预设应用对应的预设代码，同时记载该预设应用对应的资源文件。
本申请实施例中，当接收到应用切换请求时，协处理器根据应用切换请求确定运行目标应用所需要的第一数据，协处理器向应用处理器发送数据获取请求并接收应用处理器发送的第一数据，协处理器调用存储的共用固件中目标应用的目标预设代码，协处理器基于目标预设代码和第一数据运行目标应用。通过将包含多个预设应用代码的共用固件存储在协处理器中，在需要切换应用时，获取共用固件中的目标应用的目标预设代码和应用处理器发送的第一数据来运行目标应用，能够确保应用切换的速度。
在一些实施例中，请参阅图7，图7为本申请实施例提供的电子设备的第二种结构示意图。电子设备还包括：射频电路403、显示屏404、控制电路405、输入单元406、音频电路407、传感器408、触控电路410以及电源409。其中，应用处理器401和协处理器402分别与射频电路403、显示屏404、控制电路405、输入单元406、音频电路407、传感器408、触控电路410以及电源409电性连接。
射频电路403用于收发射频信号，以通过无线通信与网络设备或其他电子设备进行通信。
显示屏404可用于显示由用户输入的信息或提供给用户的信息以及电子设备的各种图形用户接口，这些图形用户接口可以由图像、文本、图标、视频和其任意组合来构成。
控制电路405与显示屏404电性连接，用于控制显示屏404显示信息。
输入单元406可用于接收输入的数字、字符信息或用户特征信息(例如指纹)，以及产生与用户设置以及功能控制有关的键盘、鼠标、操作杆、光学或者轨迹球信号输入。其中，输入单元406可以包括指纹识别模组。
音频电路407可通过扬声器、传声器提供用户与电子设备之间的音频接口。其中，音频电路407包括麦克风。所述麦克风与所述处理器401电性连接。所述麦克风用于接收用 户输入的语音信息。
传感器408用于采集外部环境信息。传感器408可以包括环境亮度传感器、加速度传感器、陀螺仪等传感器中的一种或多种。
电源409用于给电子设备的各个部件供电。在一些实施例中，电源409可以通过电源管理系统与应用处理器401、协处理器402逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
图7中的电子设备中还包括存储器，存储器可以包括多个，存储器可用于存储软件程序以及模块，应用处理器401和协处理器402通过运行存储在存储器的软件程序以及模块，从而执行各种功能应用以及数据处理。存储器可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据终端的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。相应地，存储器还可以包括存储器控制器，以提供应用处理器401和协处理器402对存储器的访问。
尽管图7中未示出，电子设备还可以包括摄像头、蓝牙模块等，在此不再赘述。
在本实施例中，电子设备中的应用处理器401和协处理器402会按照如下的步骤，将一个或一个以上的第一计算机程序的进程对应的指令加载到存储器中，并由应用处理器401和协处理器402来运行存储在存储器中的计算机程序，从而实现各种功能：
当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用；
所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据；
所述协处理器调用存储的共用固件中所述目标应用的目标预设代码；
所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
在一些实施例中，在协处理器接收应用切换请求之前，协处理器用于执行：
所述协处理器获取多个预设应用对应的预设代码；
所述协处理器将所述多个预设应用对应的预设代码存储在所述共用固件中。
在一些实施例中，在所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据时，所述协处理器用于执行：
所述协处理器根据所述应用切换请求在驱动层对所述应用处理器发送中断信号，以唤醒所述应用处理器；
所述应用处理器用于执行：
所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据；
所述协处理器用于执行：
所述协处理器接收所述应用处理器发送的所述第一数据。
在一些实施例中，在所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据时，所述应用理器用于执行：
所述应用处理器获取所述数据获取请求中的目标应用的验证信息；
所述应用处理器根据所述验证信息获取存储的所述第一数据并向所述协处理器发送所述第一数据。
在一些实施例中,所述应用处理器获取所述数据获取请求中的目标应用的验证信息时，所述应用理器用于执行：
所述应用处理器获取所述数据获取请求对应的验证密匙；
所述应用处理器根据所述验证密匙对所述数据获取请求进行验证，得到所述目标应用的验证信息。
在一些实施例中，在所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用时，所述协处理器用于执行：
所述协处理器确定所述当前应用运行时的第二数据的存储区域；
所述协处理器清除所述存储区域内的所述第二数据并将所述第一数据存储在所述存储区域内；
所述协处理器根据所述存储区域内的所述第一数据和所述目标预设代码运行所述目标应用。
在一些实施例中，在所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用时，所述协处理器用于执行：
所述协处理器压缩所述当前应用运行时的第二数据以缩小第二数据的内存占用量；
所述协处理器存储所述第一数据至所述协处理器中；
所述协处理器根据所述第一数据和所述目标预设代码运行所述目标应用。
由上述可知，通过将预设应用的共用固件存储在协处理器中，当接收到应用切换请求时，协处理器根据应用切换请求确定运行目标应用所需要的第一数据，协处理器向应用处理器发送数据获取请求并接收应用处理器发送的第一数据，协处理器调用存储的共用固件中目标应用的目标预设代码，协处理器基于目标预设代码和第一数据运行目标应用。通过将包含多个预设应用代码的共用固件存储在协处理器中，获取共用固件中的目标应用的目标预设代码和应用处理器发送的第一数据来运行目标应用，能够提高应用切换的速度。
本申请实施例还提供一种存储介质，所述存储介质中存储有计算机程序，当所述计算机程序在计算机上运行时，所述计算机执行上述任一实施例所述的应用切换的方法。
需要说明的是，本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过计算机程序来指令相关的硬件来完成，所述计算机程序可以存储于计算机可读存储介质中，所述存储介质可以包括但不限于：只读存储器(ROM，Read Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁盘或光盘等。
此外，本申请中的术语“第一”、“第二”和“第三”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或模块的过程、方法、系统、产品或设备没有限定于已列出的步骤或模块，而是某些实施例还包括没有列出的步骤或模块，或某些实施例还包括对于这些过程、方法、产品或设备固有的其它步骤或模块。
以上对本申请实施例所提供的应用切换方法、装置、存储介质及电子设备进行了详细介绍。本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (20)

  1. 一种应用切换方法，应用于电子设备，其中，所述电子设备包括应用处理器和协处理器，所述应用处理器与所述协处理器电连接，所述协处理器运行时的功耗小于所述应用处理器运行时的功耗，所述方法包括：
    当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用；
    所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据；
    所述协处理器调用存储的共用固件中所述目标应用的目标预设代码；
    所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
  2. 根据权利要求1所述的应用切换方法，其中，在所述协处理器接收应用切换请求之前，所述方法还包括：
    所述协处理器获取多个预设应用对应的预设代码；
    所述协处理器将所述多个预设应用对应的预设代码存储在所述共用固件中。
  3. 根据权利要求1所述的应用切换方法，其中，所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，包括：
    所述协处理器根据所述应用切换请求在驱动层对所述应用处理器发送中断信号，以唤醒所述应用处理器；
    所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据；
    所述协处理器接收所述应用处理器发送的所述第一数据。
  4. 根据权利要求3所述的应用切换方法，其中，所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据，包括：
    所述应用处理器获取所述数据获取请求中的目标应用的验证信息；
    所述应用处理器根据所述验证信息获取存储的所述第一数据并向所述协处理器发送所述第一数据。
  5. 根据权利要求4所述的应用切换方法，其中，所述应用处理器获取所述数据获取请求中的目标应用的验证信息，包括：
    所述应用处理器获取所述数据获取请求对应的验证密匙；
    所述应用处理器根据所述验证密匙对所述数据获取请求进行验证，得到所述目标应用的验证信息。
  6. 根据权利要求1至5任一项所述的应用切换方法，其中，所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用，包括：
    所述协处理器确定所述当前应用运行时的第二数据的存储区域；
    所述协处理器清除所述存储区域内的所述第二数据并将所述第一数据存储在所述存储区域内；
    所述协处理器根据所述存储区域内的所述第一数据和所述目标预设代码运行所述目标应用。
  7. 根据权利要求1至5任一项所述的应用切换方法，其中，所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用，包括：
    所述协处理器压缩所述当前应用运行时的第二数据以缩小第二数据的内存占用量；
    所述协处理器存储所述第一数据至所述协处理器中；
    所述协处理器根据所述第一数据和所述目标预设代码运行所述目标应用。
  8. 一种应用切换装置，所述装置应用于电子设备，其中，所述电子设备包括应用处理器和协处理器，所述应用处理器与所述协处理器电连接，所述协处理器运行时的功耗小于所述应用处理器运行时的功耗，所述协处理器包括所述装置，所述装置包括：
    确定模块，用于当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用；
    发送模块，用于所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据；
    调用模块，用于所述协处理器调用存储的共用固件中所述目标应用的目标预设代码；
    运行模块，用于所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
  9. 根据权利要求8所述的应用切换装置，其中，所述装置还包括：
    获取模块，用于所述协处理器获取多个预设应用对应的预设代码；
    存储模块，用于所述协处理器将所述多个预设应用对应的预设代码存储在所述共用固 件中。
  10. 根据权利要求8所述的应用切换装置，其中，在所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据时，所述发送模块具体用于：
    所述协处理器根据所述应用切换请求在驱动层对所述应用处理器发送中断信号，以唤醒所述应用处理器；
    所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据；
    所述协处理器接收所述应用处理器发送的所述第一数据。
  11. 根据权利要求10所述的应用切换装置，其中，在所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据时，所述发送模块具体用于：
    所述应用处理器获取所述数据获取请求中的目标应用的验证信息；
    所述应用处理器根据所述验证信息获取存储的所述第一数据并向所述协处理器发送所述第一数据。
  12. 根据权利要求8所述的应用切换装置，其中，在所述应用处理器获取所述数据获取请求中的目标应用的验证信息时，所述运行模块具体用于：
    所述协处理器确定所述当前应用运行时的第二数据的存储区域；
    所述协处理器清除所述存储区域内的所述第二数据并将所述第一数据存储在所述存储区域内；
    所述协处理器根据所述存储区域内的所述第一数据和所述目标预设代码运行所述目标应用。
  13. 一种存储介质，其上存储有计算机程序，其中，当所述计算机程序在处理器上运行时，使得所述处理器执行如权利要求1至7任一项所述的应用切换方法。
  14. 一种电子设备，其中，所述电子设备包括存储器、应用处理器和协处理器，所述应用处理器与所述协处理器电连接，所述协处理器运行时的功耗小于所述应用处理器运行时的功耗，所述协处理器和应用处理器通过调用所述存储器中存储的计算机程序，所述协处理器和应用处理器用于执行：
    当接收到应用切换请求时，所述协处理器根据所述应用切换请求确定运行目标应用所需要的第一数据，所述应用切换请求用于请求从当前应用切换至所述目标应用；
    所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一 数据，所述数据获取请求用于向所述应用处理器请求获取所述第一数据；
    所述协处理器调用存储的共用固件中所述目标应用的目标预设代码；
    所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用。
  15. 根据权利要求14所述的电子设备，其中，在所述协处理器接收应用切换请求之前，所述协处理器用于执行：
    所述协处理器获取多个预设应用对应的预设代码；
    所述协处理器将所述多个预设应用对应的预设代码存储在所述共用固件中。
  16. 根据权利要求14所述的电子设备，其中，在所述协处理器向所述应用处理器发送数据获取请求并接收所述应用处理器发送的第一数据时，所述协处理器用于执行：
    所述协处理器根据所述应用切换请求在驱动层对所述应用处理器发送中断信号，以唤醒所述应用处理器；
    所述应用处理器用于执行：
    所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据；
    所述协处理器用于执行：
    所述协处理器接收所述应用处理器发送的所述第一数据。
  17. 根据权利要求16所述的电子设备，其中，在所述应用处理器接收所述协处理器发送的数据获取请求并向所述协处理器发送所述第一数据时，所述应用理器用于执行：
    所述应用处理器获取所述数据获取请求中的目标应用的验证信息；
    所述应用处理器根据所述验证信息获取存储的所述第一数据并向所述协处理器发送所述第一数据。
  18. 根据权利要求17所述的电子设备，其中，所述应用处理器获取所述数据获取请求中的目标应用的验证信息时，所述应用理器用于执行：
    所述应用处理器获取所述数据获取请求对应的验证密匙；
    所述应用处理器根据所述验证密匙对所述数据获取请求进行验证，得到所述目标应用的验证信息。
  19. 根据权利要求14-18任一项所述的电子设备，其中，在所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用时，所述协处理器用于执行：
    所述协处理器确定所述当前应用运行时的第二数据的存储区域；
    所述协处理器清除所述存储区域内的所述第二数据并将所述第一数据存储在所述存储区域内；
    所述协处理器根据所述存储区域内的所述第一数据和所述目标预设代码运行所述目标应用。
  20. 根据权利要求14-18任一项所述的电子设备，其中，在所述协处理器基于所述目标预设代码和所述第一数据运行所述目标应用时，所述协处理器用于执行：
    所述协处理器压缩所述当前应用运行时的第二数据以缩小第二数据的内存占用量；
    所述协处理器存储所述第一数据至所述协处理器中；
    所述协处理器根据所述第一数据和所述目标预设代码运行所述目标应用。
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