CN104731712B - Method for automatically cleaning cache data and mobile terminal - Google Patents
Method for automatically cleaning cache data and mobile terminal Download PDFInfo
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- CN104731712B CN104731712B CN201510063574.8A CN201510063574A CN104731712B CN 104731712 B CN104731712 B CN 104731712B CN 201510063574 A CN201510063574 A CN 201510063574A CN 104731712 B CN104731712 B CN 104731712B
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Abstract
The invention discloses a method and a mobile terminal for automatically cleaning cache data, wherein the method comprises the following steps: when the terminal stops data transmission, judging whether the application with the cache data larger than a first threshold value exists; and when the application with the cache data larger than the first threshold value exists, deleting the cache data of the application. Therefore, the automatic cleaning of the cache data in the terminal is realized, the manual operation of a user is not needed, the user using the terminal is not influenced, the excessive cache rubbish can be prevented from occupying the storage space, the storage space of the terminal is vacated in time, and the phenomenon that the operation speed of the terminal is influenced by a large amount of cache rubbish is avoided.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a mobile terminal for automatically clearing cache data.
Background
With the rapid development of communication technology, the functions of mobile terminals are more and more powerful. People can use the mobile terminal to perform telephone communication, and can also use the application in the mobile terminal to watch videos, listen to music, play games, browse webpages, perform social interaction and the like. In order to meet various functional requirements, the storage space of the mobile terminal is larger and larger, but at the same time, the number of applications loaded in the mobile terminal is also larger and larger, and the generated cache data is more and more accumulated along with the use of the mobile terminal. When too much useless cache data occupies the storage space, not only the storage resources are wasted, but also the running speed of the mobile terminal is influenced.
At present, a method for cleaning cache data is that a user enters a folder to manually clean the cache data, or some applications are downloaded, the cache data is periodically scanned by logging in the applications, and one-key cleaning is performed according to a scanning result, so that semi-automatic cleaning is realized. However, the existing cleaning mode requires the user to perform related operations, the cleaning process is complicated, and the user experience is poor.
Disclosure of Invention
The invention mainly aims to provide a method for automatically cleaning cache data and a mobile terminal, aiming at realizing the automatic cleaning of the cache data, avoiding manual operation of a user, vacating a storage space in time and avoiding influence of a large amount of cache garbage on the running speed of the terminal.
To achieve the above object, the present invention provides a method for automatically cleaning cache data, comprising the steps of:
when the terminal stops data transmission, judging whether the application with the cache data larger than a first threshold value exists;
and when the application with the cache data larger than the first threshold value exists, deleting the cache data of the application.
Preferably, the step of determining whether there is an application with the cached data greater than the first threshold further includes: judging whether the residual storage space is smaller than a second threshold value;
the method further comprises the following steps: and when the residual storage space is smaller than the second threshold and the application with the cache data larger than the first threshold exists, or when the application with the cache data larger than the first threshold exists although the residual storage space is larger than or equal to the second threshold, the cache data of the application is deleted.
Preferably, the step of deleting the cached data of the application further includes:
and when the residual storage space is still smaller than the second threshold, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold.
Preferably, the step of determining whether there is an application with the cached data greater than the first threshold further includes:
and when the residual storage space is smaller than the second threshold value but no application with the cache data larger than the first threshold value exists, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold value.
Preferably, the method further comprises: and when the terminal closes the data service or has no data transmission within the preset time, judging that the terminal stops the data transmission.
The invention also provides a mobile terminal, which comprises a judging module and a cleaning module, wherein:
the judging module is used for judging whether the terminal stops data transmission, judging whether an application with cache data larger than a first threshold exists when the terminal stops data transmission, and sending a judgment result to the cleaning module;
and the clearing module is used for deleting the cache data of the application when the judgment result is that the cache data is larger than the application of the first threshold value.
Preferably, the determining module is further configured to: when the terminal stops data transmission, judging whether the residual storage space is smaller than a second threshold value or not, and sending a judgment result to the cleaning module;
the cleaning module is used for: and deleting the cache data of the application when the judgment result shows that the residual storage space is smaller than the second threshold and the application with the cache data larger than the first threshold exists or the application with the cache data larger than the first threshold exists although the residual storage space is larger than or equal to the second threshold.
Preferably, the cleaning module is further configured to: and when the cache data are deleted and the residual storage space is still smaller than the second threshold, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold.
Preferably, the cleaning module is configured to: and when the judgment result is that the residual storage space is smaller than the second threshold value but no application with the cache data larger than the first threshold value exists, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold value.
Preferably, the determining module is configured to: and when the terminal closes the data service or has no data transmission within the preset time, judging that the terminal stops the data transmission.
According to the method for automatically clearing the cache data, provided by the invention, when the terminal stops data transmission, whether the clearing condition is met is judged, and when the clearing condition is met, the cache data of the relevant application is deleted, so that the automatic clearing of the cache data in the terminal is realized, the manual operation of a user is not needed, the use of the terminal by the user is not influenced, the storage space occupied by excessive cache garbage can be prevented, the storage space of the terminal is vacated in time, and the condition that the operation speed of the terminal is influenced by a large amount of cache garbage is avoided.
Drawings
FIG. 1 is a block diagram illustrating a mobile terminal associated with an embodiment of the present invention;
FIG. 2 is a block diagram of a wireless communication system in which a mobile terminal according to embodiments of the present invention may operate;
FIG. 3 is a block diagram of an embodiment of a mobile terminal of the present invention;
FIG. 4 is a flow chart of a first embodiment of a method for automatically cleaning cached data according to the present invention;
FIG. 5 is a flow chart of a second embodiment of the method for automatically cleaning cache data according to the present invention;
FIG. 6 is a flow chart of a third embodiment of the method for automatically cleaning the cache data according to the present invention;
FIG. 7 is a flowchart illustrating a fourth embodiment of a method for automatically cleaning cached data according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A mobile terminal according to an exemplary embodiment of the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PMP (portable multimedia player), a navigation device, and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Fig. 1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
The mobile terminal 100 may include a wireless communication unit 110, an a/V (audio/video) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented.
Elements of the mobile terminal will be described in detail below.
The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network in which the mobile terminal is located. For example, the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal.
The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112.
The broadcast signal may exist in various forms. For example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like.
The broadcast receiving module 111 may be configured to receive a signal broadcast by using various types of broadcast systems. In particular, the broadcast receiving module 111 may receive digital broadcasting by using a digital broadcasting system such as multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), a data broadcasting system known as forward link only media (MediaFLO), terrestrial digital broadcasting integrated service (ISDB-T), and the like. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems.
The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access for the mobile terminal. The module may be internally or externally coupled to the terminal. The implemented wireless internet access technology may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetooth (TM), Radio Frequency Identification (RFID), infrared data association (I rDA), Ultra Wideband (UWB), zigbee (TM), and the like.
The location information module 115 is a module for checking or acquiring a location of the mobile terminal. A typical example of the location information module is a GPS (global positioning system). According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating the current position in real time.
The a/V input unit 120 is configured to receive an audio or video signal. The a/V input unit 120 may include a camera 121 and a microphone 122. The camera 121 processes image data of still pictures or video obtained by an image capturing apparatus in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 151.
The image frames processed by the camera 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110. Two or more cameras 121 may be provided according to the construction of the mobile terminal.
The microphone 122 may receive sounds (audio data) via the microphone in a phone call mode, a recording mode, a voice recognition mode, or the like, and can process such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the mobile communication module 112 in case of a phone call mode. The microphone 122 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display unit 151 in the form of a layer, a touch screen may be formed.
The sensing unit 140 detects a current state of the mobile terminal 100 (e.g., an open or closed state of the mobile terminal 100), a position of the mobile terminal 100, presence or absence of contact (i.e., touch input) by a user with the mobile terminal 100, an orientation of the mobile terminal 100, acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and generates a command or signal for controlling an operation of the mobile terminal 100. For example, when the mobile terminal 100 is implemented as a slide-type mobile phone, the sensing unit 140 may sense whether the slide-type phone is opened or closed. In addition, the sensing unit 140 can detect whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled with an external device. The sensing unit 140 may include a proximity sensor 141. This will be described below in connection with a touch screen.
The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like.
The identification module may be a module storing various information for verifying a user's right to use the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, the device having the identification module (hereinafter referred to as "identification device") may take the form of a smart card. Accordingly, the identification device may be connected with the terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle.
The output unit 150 is configured to provide output (e.g., an audio signal, a video signal, an alarm signal, a vibration signal, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and the like.
The display unit 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 may display a User Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display unit 151 and the touch pad are overlapped with each other in the form of a layer to form a touch screen, the display unit 151 may serve as an input device and an output device. The display unit 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow viewing from the outside, which may be referred to as transparent displays. A typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. The mobile terminal 100 may include two or more display units (or other display devices) depending on the particular desired implementation. For example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown). The touch screen may be configured to detect even a touch input pressure as well as a touch input position and a touch input area.
The audio output module 152 may convert and output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like, into sound. Also, the audio output module 152 may provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output module 152 may include a speaker, a buzzer, and the like.
The alarm unit 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm unit 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm unit 153 may provide an output in the form of vibration. When receiving a call, a message, or some other incoming communication (incomingmunication), the alarm unit 153 may provide a tactile output (i.e., vibration) to notify the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The output notifying the occurrence of the event may also be provided via the display unit 151 or the audio output module 152.
The memory 160 may store software programs and the like for processing and control operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or is to be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data. The multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180.
The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof.
For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, and an electronic unit designed to perform the functions described herein. In some cases, such an implementation may be implemented in the controller 180.
For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software code may be implemented by a software application (or program) written in any suitable programming language. The software codes may be stored in the memory 160 and executed by the controller 180.
Up to this point, mobile terminals have been described in terms of their functionality. Hereinafter, a slide-type mobile terminal among various types of mobile terminals, such as a folder-type, bar-type, swing-type, slide-type mobile terminal, and the like, will be described as an example for the sake of brevity. Accordingly, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
The mobile terminal 100 as shown in fig. 1 may be configured to operate with a communication system such as a wired and wireless communication system and a satellite-based communication system that transmits data via frames or packets.
Such a communication system in which a mobile terminal according to the present invention is capable of operating will now be described with reference to fig. 2.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Referring to fig. 2, the CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be understood that a system as shown in fig. 2 may include multiple BSCs 275.
Each BS 270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS 270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz, 5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS 270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cell sites". Alternatively, each partition of a particular BS 270 may be referred to as a plurality of cell sites.
As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of terminals 100.
In fig. 2, several satellites 300 are depicted, but it is understood that useful positioning information may be obtained with any number of satellites. The GPS module 115 as shown in fig. 1 is generally configured to cooperate with satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS 270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS 270 to transmit forward link signals to the mobile terminal 100.
Although the storage space of the mobile terminal is larger and larger with the rapid development of the communication technology, at the same time, the applications loaded in the mobile terminal are more and more, and the generated cache data is more and more used with the mobile terminal. When the excessive useless data occupy the storage space, on one hand, the operation speed of the mobile terminal is influenced, and on the other hand, the storage resource is wasted.
Therefore, the mobile terminal provided by the invention has the function of automatically cleaning the cache data of each application in the terminal, so that the phenomenon that the excessive cache garbage occupies a storage space and influences the running speed is prevented.
Fig. 3 shows a first embodiment of the mobile terminal of the present invention, and for the sake of simplicity, fig. 3 only shows the unit modules related to the function of automatically clearing the cached data in the mobile terminal, and omits other general modules and components. The mobile terminal comprises a judging module and a cleaning module, wherein:
a judging module: and the clearing module is used for judging whether the terminal stops data transmission, judging whether the application with the cache data larger than the first threshold exists when the terminal stops data transmission, and sending a judgment result to the clearing module.
When detecting that the terminal closes the data service or no data transmission exists within a preset time (if no data packet or network interaction exists), the judging module judges that the terminal stops the data transmission, and the normal use of the mobile terminal by a user is not influenced when the cache data is cleared. Then, the determining module detects whether the terminal has an application with the cache data larger than a first threshold (e.g., 500M), and sends the determination result to the cleaning module.
The first threshold may be multiple, that is, different thresholds are set for different applications, and according to the characteristics of the applications and the needs of the user, a higher threshold is set for some applications and a lower threshold is set for other applications.
A cleaning module: and deleting the cache data of the application when the judgment result is that the cache data is greater than the first threshold value.
If the judgment result is that no application with the cached data larger than the first threshold value exists in the terminal, the cleaning operation is not executed; if the judgment result shows that the applications with the cache data larger than the first threshold exist in the terminal, the cleaning module deletes the cache data in the applications, so that the automatic cleaning of the cache data in the terminal is realized, and the storage space of the terminal is vacated in time. Furthermore, a cache recovery mechanism can be set, and after the data is cleaned by mistake, the data deleted by mistake can be restored according to the cache recovery mechanism.
In a preferred embodiment, the determining module determines whether the remaining storage space is smaller than a second threshold (e.g. 300M) after the terminal stops data transmission, and sends the determination result to the cleaning module.
And when the judgment result shows that the residual storage space is smaller than the second threshold and the applications with the cache data larger than the first threshold exist in the terminal, the cleaning module deletes the cache data of the applications. Further, after the cache data of the applications are deleted, the judging module continues to judge whether the remaining storage space is smaller than the second threshold value, and sends the judgment result to the cleaning module. And when the judgment result shows that the residual storage space is still smaller than the second threshold, the cleaning module sorts the applications according to a preset sorting rule, and sequentially deletes the cache data of the applications according to the sorting until the residual storage space is larger than or equal to the second threshold. For example, the applications are sorted according to the size of the cache data, and the cache data of the applications are sequentially deleted from large to small until the remaining storage space is greater than or equal to the second threshold. In other words, the cleaning module deletes the cache data of the application having the largest cache data at each time, the judging module judges whether the current remaining storage space is smaller than the second threshold value at each time, when the remaining storage space is still smaller than the second threshold value, the cleaning module continues to delete the cache data of the application having the largest cache data at the time, and finally, the cleaning is finished until the judging module judges that the current remaining storage space is larger than or equal to the second threshold value. The ordering rule may also be: sorting according to importance of application programs, sorting according to frequency of use of applications, sorting according to size of cache data exceeding a first threshold value of each application, and the like.
And when the judgment result shows that the residual storage space is smaller than the second threshold value but no application with the cache data larger than the first threshold value exists in the terminal, the cleaning module sorts the applications according to the size of the cache data, sequentially deletes the cache data of the applications according to the sequence from large to small, continuously judges whether the residual storage space is smaller than the second threshold value by the judgment module during the period, and when the residual storage space is still smaller than the second threshold value, continuously deletes the cache data by the cleaning module until the residual storage space is larger than or equal to the second threshold value. Or the cleaning module may also delete the cache data of any application at random until the remaining storage space is greater than or equal to the second threshold. Alternatively, the cleaning module may delete the cache data of all applications.
And when the judgment result shows that the residual storage space is larger than or equal to the second threshold value and the application with the cache data larger than the first threshold value exists, the cleaning module deletes the cache data of the application or does not execute cleaning operation.
And when the judgment result is that the residual storage space is larger than or equal to the second threshold and no application with the cache data larger than the first threshold exists, the cleaning module does not execute the cleaning operation.
Or, only when the judging module judges that the residual storage space is smaller than the second threshold, whether the application of the cache data larger than the first threshold exists is continuously judged; otherwise, the response is not carried out, and the cleaning process is finished. When the application with the cache data larger than the first threshold value exists, the cleaning module deletes the cache data of the application; otherwise, sequencing the applications according to the size of the cache data, and deleting the cache data of the applications in sequence from large to small until the remaining storage space is greater than or equal to the second threshold, and ending the cleaning operation.
Therefore, the mobile terminal of the embodiment judges whether the clearing condition is met or not when stopping data transmission, and deletes the cache data of the relevant application when the clearing condition is met, so that the automatic clearing of the cache data in the terminal is realized, the terminal used by a user is not influenced, the storage space occupied by too much cache garbage is prevented, the storage space of the terminal is vacated in time, and the condition that the operation speed of the terminal is influenced by a large amount of cache garbage is avoided.
In another embodiment, after the determining module detects that the terminal exits from an application, it immediately determines whether the cache data of the application is greater than a first threshold, and when the cache data of the application is greater than the first threshold, the cleaning module deletes the cache data of the application; otherwise, the cleaning module does not execute the cleaning operation. Or, the judging module also judges whether the residual storage space is smaller than a second threshold value, and when the residual storage space is smaller than the second threshold value or/and the cache data of the application is larger than a first threshold value, the cleaning module deletes the cache data of the application; and when the residual storage space is larger than or equal to the second threshold and the cache data of the application is smaller than or equal to the first threshold, the cleaning module does not execute the cleaning operation.
Therefore, the mobile terminal of the embodiment judges whether the clearing condition is met or not when exiting from a certain application, and deletes the cache data of the application exiting at present when the clearing condition is met, so that the cache data of the terminal can be automatically cleared in time, the storage space of the terminal is vacated in time, and the running speed of the terminal is improved.
It should be noted that: in the foregoing embodiment, when the mobile terminal cleans the cache data, only the division of the functional modules is described as an example, and in practical applications, the function distribution may be completed by different functional modules according to needs, that is, the internal structure of the mobile terminal is divided into different functional modules to complete all or part of the functions described above.
Fig. 4 shows a first embodiment of the method for automatically cleaning cached data according to the present invention, which includes the following steps:
step S10: start of
Step S11: judging whether the terminal stops data transmission
When the terminal closes the data service or no data transmission exists within the preset time, the terminal is judged to stop the data transmission, and the normal use of the mobile terminal by the user is not influenced by clearing the cache data.
After the terminal stops data transmission, the process proceeds to step S12; otherwise, whether the terminal stops data transmission is continuously detected.
Step S12: judging whether applications with cache data larger than a first threshold value exist
When the judgment result is that the terminal does not have the application with the cache data larger than the first threshold, the step S14 is executed, and the process is ended; if the determination result is that the terminal has an application whose cache data is greater than the first threshold value, the process proceeds to step S13.
The first threshold may be multiple, that is, different thresholds are set for different applications, and according to the characteristics of the applications and the needs of the user, a higher threshold is set for some applications and a lower threshold is set for other applications.
Step S13: deleting the cached data of the application
When the terminal has applications with the cache data larger than the first threshold, the cache data in the applications are deleted, so that the cache data in the terminal can be automatically cleaned, and the storage space of the terminal can be vacated in time.
And a cache recovery mechanism can be further arranged, and after the data is cleaned by mistake, the data deleted by mistake can be restored according to the cache recovery mechanism.
Step S14: end the flow
Fig. 5 shows a second embodiment of the method for automatically cleaning cached data according to the present invention, which includes the following steps:
step S20: start of
Step S21: judging whether the terminal stops data transmission
After the terminal stops data transmission, the process proceeds to step S22; otherwise, whether the terminal stops data transmission is continuously detected.
Step S22: judging whether the residual space is less than a second threshold value
If the determination result is that the remaining space of the terminal is greater than or equal to the second threshold, the process proceeds to step S26, and the process is ended; when the determination result is that the remaining space of the terminal is smaller than the second threshold, the process proceeds to step S23.
Step S23: judging whether applications with cache data larger than a first threshold value exist
When the judgment result is that the terminal does not have the application with the cache data larger than the first threshold value, the step S25 is executed; if the determination result is that the terminal has an application whose cache data is greater than the first threshold value, the process proceeds to step S24.
Step S24: deleting the cached data of the application
And when the terminal has applications with the cache data larger than the first threshold value, deleting the cache data in the applications.
Step S25: sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to a second threshold value
For example, when there is no application with the cache data larger than the first threshold in the terminal, the applications are sorted according to the size of the cache data, the cache data of the applications are sequentially deleted from large to small, during which it is continuously determined whether the remaining storage space is smaller than the second threshold, and when the remaining storage space is still smaller than the second threshold, the cache data are continuously deleted until the remaining storage space is larger than or equal to the second threshold. In other words, the terminal deletes the cache data of the application currently having the largest cache data each time, determines whether the current remaining storage space is smaller than the second threshold value once every time the cache data of the application currently having the largest cache data is deleted, and continues to delete the cache data of the application currently having the largest cache data when the remaining storage space is still smaller than the second threshold value until the terminal determines that the current remaining storage space is larger than or equal to the second threshold value, and the cleaning is finished.
The ordering rule may also be: sorting according to importance of application programs, sorting according to frequency of use of applications, sorting according to size of cache data exceeding a first threshold value of each application, and the like.
Step S26: end the flow
Further, in step S24, when the remaining storage space is still smaller than the second threshold after the cache data in the applications is deleted, the applications are sorted according to the size of the cache data, and the cache data of the applications are deleted in descending order until the remaining storage space is greater than or equal to the second threshold.
In some embodiments, step S22 and step S23 may not be in a sequential order, that is, the terminal determines whether the remaining storage space is smaller than the second threshold and whether there is an application with the cache data larger than the first threshold. When the residual storage space is smaller than a second threshold and applications with cache data larger than a first threshold exist in the terminal, deleting the cache data of the applications; when the residual storage space is smaller than the second threshold but no application with the cache data larger than the first threshold exists in the terminal, sequencing the applications according to the size of the cache data, and sequentially deleting the cache data of the applications from large to small until the residual storage space is larger than or equal to the second threshold or deleting the cache data of all the applications; when the residual storage space is larger than or equal to the second threshold value but the applications with the cache data larger than the first threshold value exist in the terminal, deleting the cache data of the applications or not performing cleaning operation; and when the residual storage space is larger than or equal to the second threshold and no application with the cache data larger than the first threshold exists in the terminal, not performing cleaning operation.
Therefore, according to the method for automatically clearing the cache data, when the terminal stops data transmission, whether the clearing condition is met is judged, and when the clearing condition is met, the cache data of the relevant application is deleted, so that the automatic clearing of the cache data in the terminal is realized, the use of the terminal by a user is not influenced, the occupation of storage space by too much cache rubbish is prevented, the storage space of the terminal is timely vacated, and the influence of a large amount of cache rubbish on the running speed of the terminal is avoided.
Fig. 6 shows a third embodiment of the method for automatically cleaning cached data according to the present invention, which includes the following steps:
step S30: start of
Step S31: determining whether to exit an application
When the terminal exits from a certain application, the process goes to step S32; otherwise, whether the terminal exits from a certain application is continuously monitored.
Step S32: judging whether the cache data of the exited application is larger than a first threshold value
When the cache data of the currently exited application is greater than the first threshold, the method goes to step S33; otherwise, the process proceeds to step S34, and the flow ends.
Step S33: deleting cached data for exited applications
Step S34: end the flow
Fig. 7 shows a fourth embodiment of the method for automatically cleaning cached data according to the present invention, which includes the following steps:
step S40: start of
Step S41: determining whether to exit an application
When the terminal exits from a certain application, the process goes to step S32; otherwise, whether the terminal exits from a certain application is continuously monitored.
Step S42: judging whether the residual storage space is less than a second threshold value
When the remaining storage space of the terminal is smaller than the second threshold, go to step S43; otherwise, the process proceeds to step S45, and the flow ends.
Step S43: judging whether the cache data of the exited application is larger than a first threshold value
When the cache data of the exited application is greater than the first threshold, the process proceeds to step S44; otherwise, the process proceeds to step S45, and the flow ends.
Step S44: deleting cached data for exited applications
In this embodiment, only when the remaining storage space of the terminal is smaller than the second threshold and the cache data of the currently exited application is larger than the first threshold, the cleaning operation is executed, and the cache data of the exited application is deleted.
Step S45: end the flow
In some embodiments, step S42 and step S43 may not be in a sequential order, that is, the terminal determines whether the remaining storage space is smaller than the second threshold and whether the cache data of the currently exited application is larger than the first threshold. When the residual storage space is smaller than a second threshold and the cache data of the exited application is larger than a first threshold, deleting the cache data of the application; when the residual storage space is smaller than the second threshold value but the cache data of the exited application is smaller than or equal to the first threshold value, the cleaning operation is not carried out or the cache data of the exited application is still deleted; when the residual storage space is larger than or equal to the second threshold value but the cache data of the exited application is larger than the first threshold value, the cleaning operation is not carried out or the cache data of the exited application is deleted; and when the residual storage space is larger than or equal to the second threshold and the cache data of the exited application is larger than the first threshold, not performing cleaning operation.
Therefore, in the method for automatically cleaning the cache data, when a certain application exits, whether the cleaning condition is met is judged, and when the cleaning condition is met, the cache data of the currently exiting application is deleted, so that the cache data of the terminal is timely and automatically cleaned, the storage space of the terminal is timely vacated, and the running speed of the terminal is improved.
The method for automatically cleaning the cache data provided by the embodiment belongs to the same concept as the mobile terminal embodiment, and the technical characteristics in the terminal embodiment are correspondingly applicable in the method embodiment.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by controlling the relevant hardware through a program, and the program may be stored in a computer-readable storage medium, where the storage medium may be ROM/RAM, magnetic disk, optical disk, and the like.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Those skilled in the art can implement the invention in various modifications, such as features from one embodiment can be used in another embodiment to yield yet a further embodiment, without departing from the scope and spirit of the invention. Any modification, equivalent replacement and improvement made within the technical idea of using the present invention should be within the scope of the right of the present invention.
Claims (8)
1. A method for automatically cleaning cache data is characterized by comprising the following steps:
when the terminal stops data transmission, judging whether the application with the cache data larger than a first threshold value exists;
when the application with the cache data larger than a first threshold value exists, deleting the cache data of the application;
when the terminal closes the data service or has no data transmission within a preset time, judging that the terminal stops the data transmission; the first threshold comprises a plurality of first thresholds, namely different first thresholds are set for different applications according to the characteristics of the applications and the needs of users;
the method further comprises the following steps:
judging whether a certain application exits, when the terminal exits the certain application, judging whether the cache data of the exiting application is larger than a first threshold value, and if the cache data of the currently exiting application is larger than the first threshold value, deleting the cache data of the exiting application.
2. The method for automatically cleaning cache data according to claim 1,
the step of judging whether the application with the cache data larger than the first threshold value exists simultaneously comprises the following steps: judging whether the residual storage space is smaller than a second threshold value;
the method further comprises the following steps: and when the residual storage space is smaller than the second threshold and the application with the cache data larger than the first threshold exists, or when the application with the cache data larger than the first threshold exists although the residual storage space is larger than or equal to the second threshold, the cache data of the application is deleted.
3. The method for automatically cleaning cache data according to claim 2, wherein the step of deleting the cache data of the application is followed by further comprising:
and when the residual storage space is still smaller than the second threshold, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold.
4. The method of claim 2, wherein the step of determining whether the application has cached data greater than the first threshold is further followed by:
and when the residual storage space is smaller than the second threshold value but no application with the cache data larger than the first threshold value exists, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold value.
5. The utility model provides a mobile terminal which characterized in that, includes judgement module and clearance module, wherein:
the judging module is used for judging whether the terminal stops data transmission, judging whether an application with cache data larger than a first threshold exists when the terminal stops data transmission, and sending a judgment result to the cleaning module;
the clearing module is used for deleting the cache data of the application when the judgment result is that the cache data is larger than the application of the first threshold value; the first threshold comprises a plurality of first thresholds, namely different first thresholds are set for different applications according to the characteristics of the applications and the needs of users;
the judging module is used for: when the terminal closes the data service or has no data transmission within a preset time, judging that the terminal stops the data transmission;
the judging module is further configured to, after it is detected that the terminal exits from a certain application, judge whether the cache data of the application is greater than a first threshold, and when the cache data of the application is greater than the first threshold, trigger the cleaning module to delete the cache data of the application.
6. The mobile terminal of claim 5,
the judging module is further configured to: when the terminal stops data transmission, judging whether the residual storage space is smaller than a second threshold value or not, and sending a judgment result to the cleaning module;
the cleaning module is used for: and deleting the cache data of the application when the judgment result shows that the residual storage space is smaller than the second threshold and the application with the cache data larger than the first threshold exists or the application with the cache data larger than the first threshold exists although the residual storage space is larger than or equal to the second threshold.
7. The mobile terminal of claim 6, wherein the cleaning module is further configured to: and when the cache data are deleted and the residual storage space is still smaller than the second threshold, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold.
8. The mobile terminal of claim 6, wherein the cleaning module is configured to: and when the judgment result is that the residual storage space is smaller than the second threshold value but no application with the cache data larger than the first threshold value exists, sequencing the applications according to a preset sequencing rule, and sequentially deleting the cache data of the applications according to the sequencing until the residual storage space is larger than or equal to the second threshold value.
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