CN104298612A - Method and device for cleaning memory in mobile terminal and mobile terminal - Google Patents
Method and device for cleaning memory in mobile terminal and mobile terminal Download PDFInfo
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- CN104298612A CN104298612A CN201410522316.7A CN201410522316A CN104298612A CN 104298612 A CN104298612 A CN 104298612A CN 201410522316 A CN201410522316 A CN 201410522316A CN 104298612 A CN104298612 A CN 104298612A
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Abstract
The invention provides a method and a device for cleaning a memory in a mobile terminal and the mobile terminal. Wherein, the method comprises the following steps: acquiring the size of a memory of the mobile terminal, and acquiring a corresponding clearing threshold according to the size of the memory; the method comprises the steps of obtaining memory information occupied by application programs which live in a background, judging whether the application programs which live in the background reach a cleaning threshold value or not according to the memory information, if so, determining the application programs to be cleaned, and killing processes corresponding to the application programs to be cleaned so as to release memory space occupied by the application programs to be cleaned. The method and the device for clearing the memory in the mobile terminal and the mobile terminal automatically release the memory space occupied by the application program to be cleared, avoid the complexity of operation when a user manually clears the memory, can timely reduce the occupation of the application program living in the background on the memory of the mobile terminal, and improve the operation efficiency and the performance of the mobile terminal.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly relate to method, device and the mobile terminal of clearing up internal memory in a kind of mobile terminal.
Background technology
At present; in mobile terminal such as smart mobile phone, various types of application A PP (APPlication) can be installed usually; various application program is while enriching the function of mobile terminal; also a large amount of internal memories of mobile terminal can be taken; affect the operational efficiency of mobile terminal; in order to save the internal memory of mobile terminal, improving the operational efficiency of mobile terminal, usually needing to clear up the internal memory shared by the application program of operation unnecessary on mobile terminal.
In relevant technology, user clears up the internal memory on mobile terminal by two kinds of modes, first kind of way is: user manually boots the internal memory liquidation procedures on mobile terminal, internal memory liquidation procedures stops the process that corresponding application programs is run, and the internal memory taken when running it is cleared up.The second way is: it is timed task that user manually arranges internal memory liquidation procedures, the process that internal memory liquidation procedures runs according to the time timing termination corresponding application programs that user is arranged, and the internal memory taken when running it is cleared up.
But, the mode Problems existing of relevant mobile terminal cleaning internal memory is, above-mentioned first kind of way needs user to manually boot internal memory liquidation procedures, if user does not start internal memory liquidation procedures, when mobile terminal internal memory remaining space is less, when user directly starts committed memory larger application program, easily cause the card on Application Program Interface to pause, even application program possibly cannot normally use.For the second way, when the internal memory of mobile terminal itself is less, also can takies the internal memory of mobile terminal according to timed task frequent starting internal memory liquidation procedures, affect the operational efficiency of mobile terminal.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, first object of the present invention is a kind of method proposing to clear up internal memory in mobile terminal, the method discharges the memory headroom that application program for clearance takies automatically, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
Second object of the present invention is the device proposing to clear up internal memory in a kind of mobile terminal.
3rd object of the present invention is to propose a kind of mobile terminal.
To achieve these goals, first aspect present invention embodiment proposes a kind of method of clearing up internal memory in mobile terminal, comprising: the memory size obtaining described mobile terminal, obtains corresponding cleaning threshold according to described memory size; The memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to described memory information, if reach, then determine application program for clearance, and kill process corresponding to described application program for clearance, to discharge the memory headroom that described application program for clearance takies.
The method of internal memory is cleared up in the mobile terminal of the embodiment of the present invention, obtain the memory size of mobile terminal, and obtain corresponding cleaning threshold according to memory size, and the memory information that the application program obtaining backstage survival takies, and when whether the application program of backstage survival reaches cleaning threshold, determine application program for clearance, and kill the process of application program for clearance, the memory headroom that automatic release application program for clearance takies, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
To achieve these goals, second aspect present invention embodiment proposes the device clearing up internal memory in a kind of mobile terminal, comprising: acquisition module, for obtaining the memory size of described mobile terminal, obtains corresponding cleaning threshold according to described memory size; First processing module, for the memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to described memory information, if reach, then determine application program for clearance, and kill process corresponding to described application program for clearance, to discharge the memory headroom that described application program for clearance takies.
The device of internal memory is cleared up in the mobile terminal of the embodiment of the present invention, the memory size of mobile terminal is obtained by acquisition module, and obtain corresponding cleaning threshold according to memory size, and the memory information that takies of application program of backstage survival is obtained by the first processing module, and when whether the application program of backstage survival reaches cleaning threshold, determine application program for clearance, and kill the process of application program for clearance, the memory headroom that automatic release application program for clearance takies, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
Third aspect present invention embodiment proposes a kind of mobile terminal, described mobile terminal comprises housing, processor, storer, circuit board and power circuit, wherein, described circuit board is placed in the interior volume that described housing surrounds, and described processor and described storer are arranged on described circuit board; Described power circuit, for powering for each circuit of described mobile terminal or device; Described storer is used for stores executable programs code; Described processor runs the program corresponding with described executable program code by reading the executable program code stored in described storer, for execution following steps: the memory size obtaining described mobile terminal, obtain corresponding cleaning threshold according to described memory size; The memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to described memory information, if reach, then determine application program for clearance, and kill process corresponding to described application program for clearance, to discharge the memory headroom that described application program for clearance takies.
The mobile terminal of the embodiment of the present invention, obtain the memory size of mobile terminal, and obtain corresponding cleaning threshold according to memory size, and the memory information that the application program obtaining backstage survival takies, and when whether the application program of backstage survival reaches cleaning threshold, determine application program for clearance, and kill the process of application program for clearance, the memory headroom that automatic release application program for clearance takies, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein,
Fig. 1 is the process flow diagram clearing up the method for internal memory according to an embodiment of the invention in mobile terminal.
Fig. 2 is the process flow diagram clearing up the method for internal memory in accordance with another embodiment of the present invention in mobile terminal.
Fig. 3 is the structural representation clearing up the device of internal memory according to an embodiment of the invention in mobile terminal.
Fig. 4 is the structural representation clearing up the device of internal memory in accordance with another embodiment of the present invention in mobile terminal.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it is to be appreciated that term " first ", " second " etc. are only for describing object, and instruction or hint relative importance can not be interpreted as.In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
Below with reference to the accompanying drawings method, device and the mobile terminal of clearing up internal memory in mobile terminal according to the embodiment of the present invention are described.
Fig. 1 is the process flow diagram clearing up the method for internal memory according to an embodiment of the invention in mobile terminal.
As shown in Figure 1, the method for clearing up internal memory in this mobile terminal comprises:
S101, obtains the memory size of mobile terminal, obtains corresponding cleaning threshold according to memory size.
Wherein, above-mentioned mobile terminal can be the hardware device that mobile phone, panel computer etc. have various operating system.
In this embodiment, assuming that the application program can clearing up mobile terminal internal memory is called internal memory cleaning application program, should be understood that, the internal memory cleaning application program at this place is only a kind of example, can also this application program of other name nominatings.
Particularly, internal memory cleaning application program obtains the memory size of mobile terminal automatically, and according to memory size inquiry Prune Policies table, obtain corresponding cleaning threshold, wherein, preserve the cleaning threshold that the mobile terminal of different memory size is corresponding in Prune Policies table, the cleaning threshold of preserving in Prune Policies table can obtain based on historical statistical data, also can be default setting.
Specifically, Prune Policies table can for obtaining when mobile terminal installs internal memory cleaning application program from server, and the cleaning threshold of preserving in this Prune Policies table is server according to multiple mobile terminal history one of using the situation of internal memory to calculate needs to clear up the average threshold of internal memory.Wherein, the application program of quantity and/or backstage survival that the cleaning threshold of preserving in Prune Policies table can comprise the application program of backstage survival takies the maximum ratio of mobile terminal internal memory.
The application program of preserving backstage survival takies the Prune Policies table of the maximum ratio of mobile terminal internal memory, as shown in table 1.
Table 1 Prune Policies table
| Mobile terminal internal memory | Cleaning threshold (%) |
| 512M | 40％ |
| 1G | 50％ |
| 1.5G | 50％ |
| …… | …… |
It should be noted that, cleaning threshold corresponding in Prune Policies table table 1 is only a kind of example, should be as the criterion in actual applications with real data.
In addition, in this embodiment, can also with the quantity of the application program of backstage survival for cleaning threshold in Prune Policies table, such as, inside save as the mobile terminal of 512M, corresponding cleaning threshold can be 12, inside save as the mobile terminal of 1G, corresponding cleaning threshold can be 25 etc.
S102, the memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to memory information, if reach, then determine application program for clearance, and kill process corresponding to application program for clearance, to discharge the memory headroom that application program for clearance takies.
Particularly, monitor and obtain the memory information that takies of application program of mobile terminal backstage survival, if the ratio of the internal memory of the internal memory that the application program of backstage survival takies and mobile terminal has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table, then can sort to the application program survived in backstage according to the attribute of the application program of backstage survival, application program for clearance is determined according to ranking results, and kill process corresponding to application program for clearance, initiatively to discharge the internal memory of the mobile terminal that application program for clearance takies, reduce the internal memory shared by application program of unnecessary backstage survival, improve the operational efficiency of mobile terminal.Wherein, the attribute of the application program of backstage survival can be the time to live of application program and/or the size of committed memory of backstage survival.
Specifically, after the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table, can according to the application program of the size sequence backstage survival of the application program committed memory of backstage survival, such as, 100M is saved as in mobile terminal, corresponding cleaning threshold is 60%, namely the cleaning memory threshold that mobile terminal internal memory is corresponding is 60M, now, the number of the application program of backstage survival is 10, such as uses APP1, APP2, APP3 ... APP10 represents the title of 10 application programs respectively, and APP1, APP2, APP3 ... the size of APP10 committed memory is respectively 10, 6, 4, 8, 11, 9, 3, 12, 2, 7, these 10 application program committed memories be total up to 72M, namely the ratio of the internal memory that takies of these 10 application programs and mobile terminal internal memory is 72%, thus, can determine that internal memory that the application program survived in backstage takies is more than 60M, to sort these 10 application programs according to the size of application program committed memory of backstage survival, the result of sequence is as shown in table 2, and the application program of the running background of sequence in predetermined number is killed after sequence, such as, predetermined number is 5, can by APP8, APP5, APP1, the process of the application program that APP6 and APP4 is corresponding kills, and reduces application program the taking mobile terminal internal memory of backstage survival, improves the operational efficiency of mobile terminal.
The ranking results table of the application program of table 2 backstage survival
| The title of application program | The size of committed memory |
| APP8 | 12M |
| APP5 | 11M |
| APP1 | 10M |
| APP6 | 9M |
| APP4 | 8M |
| APP10 | 7M |
| APP2 | 6M |
| APP3 | 4M |
| APP7 | 3M |
| APP9 | 2M |
After the application program of the size sequence backstage survival of the application program committed memory of surviving according to backstage, if the size of the internal memory that the application program of backstage survival takies is identical, for the application program that committed memory size is identical, application program for clearance can be determined by the order after arriving first according to the initial time of time to live, such as, the size of the internal memory that application A PP11 and the APP12 survived in backstage takies is 20M, if the initial time of the time to live of application A PP12 is 9:10, the initial time of the time to live of application A PP12 is 10:00, namely the time that application A PP12 is survived on backstage is longer than application A PP11.When needs cleaning internal memory, preferentially kill the application A PP12 of backstage time-to-live length, reduce application program the taking mobile terminal internal memory of backstage time-to-live length, improve operational efficiency and the performance of mobile terminal.
In addition, in this embodiment, the attribute of the application program of backstage survival can also be the usage frequency of the application program of backstage survival.Particularly, after the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table, can according to the application program of the usage frequency sequence backstage survival of the application program of backstage survival, and determine application program for clearance according to ranking results, and kill process corresponding to application program for clearance, application program the taking the internal memory of mobile terminal that release backstage is unnecessary.
In addition, in this embodiment, if the attribute of the application program of backstage survival is the degree of association between the application program of backstage survival, the cleaning threshold of clearing up mobile terminal in Prune Policies table has been exceeded at the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal, or after the number of the application program of backstage survival exceedes the cleaning threshold of clearing up mobile terminal in Prune Policies table, can according to the application program of the relational degree taxis backstage survival between the application program of backstage survival, and determine application program for clearance according to ranking results, and kill process corresponding to application program for clearance, application program the taking the internal memory of mobile terminal that release backstage is unnecessary.
It should be noted that, the sort by that can adopt in actual applications is very many, and above-mentioned sort by is only example.
The method of internal memory is cleared up in above-mentioned mobile terminal, obtain the memory size of mobile terminal, and obtain corresponding cleaning threshold according to memory size, and the memory information that the application program obtaining backstage survival takies, and when whether the application program of backstage survival reaches cleaning threshold, determine application program for clearance, and kill the process of application program for clearance, the memory headroom that automatic release application program for clearance takies, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
Fig. 2 is the process flow diagram clearing up the method for internal memory in accordance with another embodiment of the present invention in mobile terminal.
As shown in Figure 2, the method for clearing up internal memory in this mobile terminal comprises:
S201, obtains the memory size of mobile terminal, obtains corresponding cleaning threshold according to memory size.
Step S201 is identical with step S101, illustrates and is also applicable to step S201, repeat no more herein the explanation of step S101.
S202, when belonging to preset kind mobile terminal according to memory size determination mobile terminal, whether there is committed memory space in monitoring mobile terminal and exceed the application program of predetermined threshold value in operation, if exist, then when the application program that committed memory space exceedes predetermined threshold value exits, release busy memory headroom exceedes the memory headroom shared by the application program of predetermined threshold value.
Particularly, after the memory size obtaining mobile terminal, preset kind mobile terminal whether is belonged to according to memory size determination mobile terminal, wherein, preset kind mobile terminal is that internal memory is less than the mobile terminal of default memory value such as 512M and little internal memory mobile terminal, if determine, mobile terminal belongs to little internal memory mobile terminal, then monitor in mobile terminal whether to exist and take mobile terminal internal memory and exceed the application program of predetermined threshold value such as 30M in operation, if exist, when the application program then exceeding predetermined threshold value such as 30M in committed memory space exits, kill the application program that this exceedes predetermined threshold value such as 30M, namely after this application program exits, can not again mobile terminal backstage survival, thus, application program larger for committed memory directly can be killed when exiting, avoid after this application program exits, process corresponding to this application program continues to continue survival on the backstage of mobile terminal, just directly kill this application program by exiting, directly can discharge the memory headroom shared by this application program, reduce by more than application program the taking mobile terminal internal memory of predetermined threshold value, improve operational efficiency and the performance of mobile terminal.
By when exiting committed memory space and exceeding the application program of predetermined threshold value, directly this application program is killed, timely releasing memory, the performance of mobile terminal can be improved, especially for the mobile terminal of little internal memory, other application programs can be facilitated normally to use the internal memory of mobile terminal, avoid the mobile terminal of little internal memory to occur the phenomenon of low memory.
S203, the memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to memory information, if reach, then determine application program for clearance, and kill process corresponding to application program for clearance, to discharge the memory headroom that application program for clearance takies.
The application program of backstage survival is more obvious on the impact of the mobile terminal of little internal memory, if the internal memory that the application program of backstage survival takies the mobile terminal of little internal memory is too much, the normal operation of other application programs in mobile terminal will be affected, easily there is the situation that card pauses or cannot normally start in other application programs, step S203 can clear up the internal memory of mobile terminal timely and effectively, greatly can improve operational efficiency and the performance of the mobile terminal of little internal memory.
Step S203 is identical with step S102, illustrates and is also applicable to step S203, repeat no more herein the explanation of step S102.
It should be noted that, the execution sequence of step S202 and step S203 in no particular order.
The method of internal memory is cleared up in above-mentioned mobile terminal, obtain the memory size of mobile terminal, when belonging to preset kind mobile terminal according to memory size determination mobile terminal, there is committed memory space if monitor in mobile terminal and exceed the application program of predetermined threshold value in operation, then when the application program that committed memory space exceedes predetermined threshold value exits, release busy memory headroom exceedes the memory headroom shared by the application program of predetermined threshold value, and when the application program monitoring the survival of mobile terminal backstage exceedes cleaning threshold, determine application program for clearance, and kill process corresponding to described application program for clearance, the memory headroom that automatic release application program for clearance takies, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
In order to realize above-described embodiment, the present invention also proposes the device clearing up internal memory in a kind of mobile terminal.
Fig. 3 is the structural representation clearing up the device of internal memory according to an embodiment of the invention in mobile terminal.As shown in Figure 3, the device clearing up internal memory in mobile terminal comprises: acquisition module 100 and the first processing module 200, wherein:
Acquisition module 100, for obtaining the memory size of above-mentioned mobile terminal, obtains corresponding cleaning threshold according to above-mentioned memory size; The memory information that first processing module 200 takies for the application program obtaining backstage survival, judge whether the application program of surviving on backstage reaches cleaning threshold according to above-mentioned memory information, if reach, then determine application program for clearance, and kill process corresponding to above-mentioned application program for clearance, to discharge the memory headroom that above-mentioned application program for clearance takies.
Above-mentioned acquisition module 100 specifically for: according to above-mentioned memory size inquiry Prune Policies table, obtain corresponding cleaning threshold, wherein, the cleaning threshold that the mobile terminal of different memory size is corresponding is preserved in above-mentioned Prune Policies table, the cleaning threshold of preserving in Prune Policies table can obtain based on historical statistical data, also can be default setting.Above-mentioned cleaning threshold can be the maximum ratio that the quantity of the application program of backstage survival and/or the application program of backstage survival take above-mentioned mobile terminal internal memory.
Above-mentioned first processing module 200 specifically for: the attribute of application program according to backstage survival sorts to the application program survived in backstage, determines application program for clearance according to ranking results.Wherein, the attribute of the application program of above-mentioned backstage survival can comprise the time to live of application program and/or the size of committed memory of above-mentioned backstage survival.Particularly, after the attribute of the application program that the first processing module 200 is survived according to backstage sorts to the application program survived in backstage, the application program of the backstage survival of rank in predetermined quantity is killed.
After the application program of the attribute sequence backstage survival of the application program of surviving according to backstage, if the size of the internal memory that the application program of backstage survival takies is identical, above-mentioned first processing module 200 can also be used for: for the application program that committed memory size is identical, application program for clearance is determined by the order after arriving first according to the initial time of time to live, that is, when there is the identical application program of memory size, if desired clear up internal memory, the first processing module 200 preferentially kills the internal memory shared by application program of backstage time-to-live length.
In addition, the attribute of the application program of above-mentioned backstage survival can also be the usage frequency of the application program of above-mentioned backstage survival.Particularly, first processing module 200 is after the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table, can according to the application program of the usage frequency sequence backstage survival of the application program of backstage survival, and determine application program for clearance according to ranking results, and kill process corresponding to application program for clearance, application program the taking the internal memory of mobile terminal that release backstage is unnecessary.
The attribute of the application program of above-mentioned backstage survival can also be the degree of association between the application program of above-mentioned backstage survival.Particularly, first processing module 200 has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table at the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal after, can according to the application program of the usage frequency sequence backstage survival of the application program of backstage survival, and kill process corresponding to the application program of predetermined quantity according to ranking results, application program the taking the internal memory of mobile terminal that release backstage is unnecessary.
In order to reduce the large application program in committed memory space to the impact of mobile terminal performance, as shown in Figure 4, said apparatus can also comprise the second processing module 300, this second processing module 300 is for after obtaining the memory size of above-mentioned mobile terminal at above-mentioned acquisition module 100, when determining that above-mentioned mobile terminal belongs to preset kind mobile terminal according to above-mentioned memory size, monitor in above-mentioned mobile terminal and whether there is application program that committed memory space exceedes predetermined threshold value in operation, if exist, when the application program then exceeding predetermined threshold value in above-mentioned committed memory space exits, discharge the memory headroom shared by application program that above-mentioned committed memory space exceedes predetermined threshold value.Wherein, above-mentioned preset kind mobile terminal is that internal memory is less than the mobile terminal of default memory value such as 512M and little internal memory mobile terminal.
Committed memory space can be exceeded the application program of predetermined threshold value when exiting by the second processing module 300, directly this application program is killed, timely releasing memory, the performance of mobile terminal can be improved, especially for the mobile terminal of little internal memory, other application programs can be facilitated normally to use the internal memory of mobile terminal, avoid the mobile terminal of little internal memory to occur the phenomenon of low memory.
The process comprising the device cleaning internal memory clearing up internal memory in the mobile terminal of acquisition module 100, first processing module 200 and the second processing module 300 see Fig. 1 or Fig. 2, can not repeat herein.
The device of internal memory is cleared up in above-mentioned mobile terminal, the memory size of mobile terminal is obtained by acquisition module, and obtain corresponding cleaning threshold according to memory size, and the memory information that takies of application program of backstage survival is obtained by the first processing module, and when whether the application program of backstage survival reaches cleaning threshold, determine application program for clearance, and kill the process of application program for clearance, the memory headroom that automatic release application program for clearance takies, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
In order to realize above-described embodiment, the present invention also proposes a kind of mobile terminal, this mobile terminal comprises housing, processor, storer, circuit board and power circuit, wherein, foregoing circuit plate is placed in the interior volume that above-mentioned housing surrounds, and above-mentioned processor and above-mentioned storer are arranged on foregoing circuit plate; Above-mentioned power circuit, for powering for each circuit of above-mentioned mobile terminal or device; Above-mentioned storer is used for stores executable programs code; Above-mentioned processor runs the program corresponding with above-mentioned executable program code by reading the executable program code stored in above-mentioned storer, for execution following steps:
S101 ', obtains the memory size of mobile terminal, obtains corresponding cleaning threshold according to memory size.
Wherein, above-mentioned mobile terminal can be the hardware device that mobile phone, panel computer etc. have various operating system.
Particularly, processor obtains the memory size of mobile terminal automatically, and according to memory size inquiry Prune Policies table, obtain corresponding cleaning threshold, wherein, preserve the cleaning threshold that the mobile terminal of different memory size is corresponding in Prune Policies table, the cleaning threshold of preserving in Prune Policies table can obtain based on historical statistical data, also can be default setting.
Specifically, Prune Policies table can obtain from server for mobile terminal, and the cleaning threshold of preserving in this Prune Policies table is server according to multiple mobile terminal history one of using the situation of internal memory to calculate needs to clear up the average threshold of internal memory.Wherein, the application program of quantity and/or backstage survival that the cleaning threshold of preserving in Prune Policies table can comprise the application program of backstage survival takies the maximum ratio of mobile terminal internal memory.
The application program of preserving backstage survival takies the Prune Policies table of the maximum ratio of mobile terminal internal memory, as shown in table 1.
Table 1 Prune Policies table
| Mobile terminal internal memory | Cleaning threshold (%) |
| 512M | 40％ |
| 1G | 50％ |
| 1.5G | 50％ |
| …… | …… |
It should be noted that, cleaning threshold corresponding in Prune Policies table table 1 is only a kind of example, should be as the criterion in actual applications with real data.
In addition, in this embodiment, can also with the quantity of the application program of backstage survival for cleaning threshold in Prune Policies table, such as, inside save as the mobile terminal of 512M, corresponding cleaning threshold can be 12, inside save as the mobile terminal of 1G, corresponding cleaning threshold can be 25 etc.
S102 ＇, the memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to memory information, if reach, then determine application program for clearance, and kill process corresponding to application program for clearance, to discharge the memory headroom that application program for clearance takies.
Particularly, monitor and obtain the memory information that takies of application program of mobile terminal backstage survival, if the ratio of the internal memory of the internal memory that the application program of backstage survival takies and mobile terminal has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table, then can sort to the application program survived in backstage according to the attribute of the application program of backstage survival, application program for clearance is determined according to ranking results, and kill process corresponding to application program for clearance, initiatively to discharge the internal memory of the mobile terminal that application program for clearance takies, reduce the internal memory shared by application program of unnecessary backstage survival, improve the operational efficiency of mobile terminal.Wherein, the attribute of the application program of backstage survival can be the time to live of application program and/or the size of committed memory of backstage survival.
Specifically, after the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table, can according to the application program of the size sequence backstage survival of the application program committed memory of backstage survival, such as, 100M is saved as in mobile terminal, corresponding cleaning threshold is 60%, namely the cleaning memory threshold that mobile terminal internal memory is corresponding is 60M, now, the number of the application program of backstage survival is 10, such as uses APP1, APP2, APP3 ... APP10 represents the title of 10 application programs respectively, and APP1, APP2, APP3 ... the size of APP10 committed memory is respectively 10, 6, 4, 8, 11, 9, 3, 12, 2, 7, these 10 application program committed memories be total up to 72M, namely the ratio of the internal memory that takies of these 10 application programs and mobile terminal internal memory is 72%, thus, can determine that internal memory that the application program survived in backstage takies is more than 60M, to sort these 10 application programs according to the size of application program committed memory of backstage survival, the result of sequence is as shown in table 2, and the application program of the running background of sequence in predetermined number is killed after sequence, such as, predetermined number is 5, can by APP8, APP5, APP1, the process of the application program that APP6 and APP4 is corresponding kills, and reduces application program the taking mobile terminal internal memory of backstage survival, improves the operational efficiency of mobile terminal.
The ranking results table of the application program of table 2 backstage survival
| The title of application program | The size of committed memory |
| APP8 | 12M |
| APP5 | 11M |
| APP1 | 10M |
| APP6 | 9M |
| APP4 | 8M |
| APP10 | 7M |
| APP2 | 6M |
| APP3 | 4M |
| APP7 | 3M |
| APP9 | 2M |
After the application program of the size sequence backstage survival of the application program committed memory of surviving according to backstage, if the size of the internal memory that the application program of backstage survival takies is identical, for the application program that committed memory size is identical, application program for clearance can be determined by the order after arriving first according to the initial time of time to live, such as, the size of the internal memory that application A PP11 and the APP12 survived in backstage takies is 20M, if the initial time of the time to live of application A PP12 is 9:10, the initial time of the time to live of application A PP12 is 10:00, namely the time that application A PP12 is survived on backstage is longer than application A PP11.When needs cleaning internal memory, preferentially kill the application A PP12 of backstage time-to-live length.
In addition, in this embodiment, the attribute of the application program of backstage survival can also be the usage frequency of the application program of backstage survival.Particularly, after the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal has exceeded the cleaning threshold of clearing up mobile terminal in Prune Policies table, can according to the application program of the usage frequency sequence backstage survival of the application program of backstage survival, and determine application program for clearance according to ranking results, and kill process corresponding to application program for clearance, application program the taking the internal memory of mobile terminal that release backstage is unnecessary.
In addition, in this embodiment, if the attribute of the application program of backstage survival is the degree of association between the application program of backstage survival, the cleaning threshold of clearing up mobile terminal in Prune Policies table has been exceeded at the ratio of the internal memory determining the internal memory that the application program survived in backstage takies and mobile terminal, or after the number of the application program of backstage survival exceedes the cleaning threshold of clearing up mobile terminal in Prune Policies table, can according to the application program of the relational degree taxis backstage survival between the application program of backstage survival, and determine application program for clearance according to ranking results, and kill process corresponding to application program for clearance, application program the taking the internal memory of mobile terminal that release backstage is unnecessary.
It should be noted that, the sort by that can adopt in actual applications is very many, and above-mentioned sort by is only example.
Above-mentioned mobile terminal embodiment, obtain the memory size of mobile terminal, and obtain corresponding cleaning threshold according to memory size, and the memory information that the application program obtaining backstage survival takies, and when whether the application program of backstage survival reaches cleaning threshold, determine application program for clearance, and kill the process of application program for clearance, the memory headroom that automatic release application program for clearance takies, the complicacy operated when avoiding user manually to clear up internal memory, application program the taking mobile terminal internal memory of backstage survival can be reduced in time, improve operational efficiency and the performance of mobile terminal.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), ROM (read-only memory) (ROM), erasablely edit ROM (read-only memory) (EPROM or flash memory), fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer memory.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (21)
1. clear up a method for internal memory in mobile terminal, it is characterized in that, comprising:
Obtain the memory size of described mobile terminal, obtain corresponding cleaning threshold according to described memory size;
The memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to described memory information, if reach, then determine application program for clearance, and kill process corresponding to described application program for clearance, to discharge the memory headroom that described application program for clearance takies.
2. method according to claim 1, is characterized in that, the described cleaning threshold obtaining correspondence according to described memory size, comprising:
According to described memory size inquiry Prune Policies table, obtain corresponding cleaning threshold, wherein, in described Prune Policies table, preserve the cleaning threshold that the mobile terminal of different memory size is corresponding.
3. method according to claim 1 and 2, is characterized in that, described cleaning threshold comprises: the quantity of the application program of backstage survival and/or the application program of backstage survival take the maximum ratio of described mobile terminal internal memory.
4. method according to claim 3, is characterized in that, the cleaning threshold of preserving in described Prune Policies table is obtain based on historical statistical data.
5. method according to claim 3, is characterized in that, describedly determines application program for clearance, comprising:
Attribute according to the application program of backstage survival sorts to the application program survived in backstage, determines application program for clearance according to ranking results.
6. method according to claim 5, is characterized in that, the attribute of the application program of described backstage survival comprises: the time to live of application program of described backstage survival and/or the size of committed memory.
7. method according to claim 5, is characterized in that, the attribute of the application program of described backstage survival comprises: the usage frequency of the application program of described backstage survival.
8. method according to claim 5, is characterized in that, the attribute of the application program of described backstage survival comprises: the degree of association between the application program of described backstage survival.
9. method according to claim 6, is characterized in that, describedly determines application program for clearance according to ranking results, comprising:
For the application program that committed memory size is identical, determine application program for clearance according to the initial time of time to live by the order after arriving first.
10. the method according to the arbitrary claim of claim 1-9, is characterized in that, after the memory size of the described mobile terminal of described acquisition, also comprises:
When determining that described mobile terminal belongs to preset kind mobile terminal according to described memory size, monitor in described mobile terminal and whether there is application program that committed memory space exceedes predetermined threshold value in operation, if exist, when the application program then exceeding predetermined threshold value in described committed memory space exits, discharge the memory headroom shared by application program that described committed memory space exceedes predetermined threshold value.
Clear up the device of internal memory in 11. 1 kinds of mobile terminals, it is characterized in that, comprising:
Acquisition module, for obtaining the memory size of described mobile terminal, obtains corresponding cleaning threshold according to described memory size;
First processing module, for the memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to described memory information, if reach, then determine application program for clearance, and kill process corresponding to described application program for clearance, to discharge the memory headroom that described application program for clearance takies.
12. devices according to claim 11, is characterized in that, described acquisition module, specifically for:
According to described memory size inquiry Prune Policies table, obtain corresponding cleaning threshold, wherein, in described Prune Policies table, preserve the cleaning threshold that the mobile terminal of different memory size is corresponding.
13. devices according to claim 11 or 12, it is characterized in that, described cleaning threshold comprises: the quantity of the application program of backstage survival and/or the application program of backstage survival take the maximum ratio of described mobile terminal internal memory.
14. devices according to claim 13, is characterized in that, the cleaning threshold of preserving in described Prune Policies table is obtain based on historical statistical data.
15. devices according to claim 13, is characterized in that, described first processing module, specifically for:
Attribute according to the application program of backstage survival sorts to the application program survived in backstage, determines application program for clearance according to ranking results.
16. devices according to claim 15, is characterized in that, the attribute of the application program of described backstage survival comprises: the time to live of application program of described backstage survival and/or the size of committed memory.
17. devices according to claim 15, is characterized in that, the attribute of the application program of described backstage survival comprises: the usage frequency of the application program of described backstage survival.
18. devices according to claim 15, is characterized in that, the attribute of the application program of described backstage survival comprises: the degree of association between the application program of described backstage survival.
19. devices according to claim 16, is characterized in that, described first processing module, also for:
For the application program that committed memory size is identical, determine application program for clearance according to the initial time of time to live by the order after arriving first.
20. devices according to the arbitrary claim of claim 11-19, is characterized in that, also comprise:
Second processing module, after obtaining the memory size of described mobile terminal at described acquisition module, when determining that described mobile terminal belongs to preset kind mobile terminal according to described memory size, monitor in described mobile terminal and whether there is application program that committed memory space exceedes predetermined threshold value in operation, if exist, when the application program then exceeding predetermined threshold value in described committed memory space exits, discharge the memory headroom shared by application program that described committed memory space exceedes predetermined threshold value.
21. 1 kinds of mobile terminals, described mobile terminal comprises housing, processor, storer, circuit board and power circuit, and wherein, described circuit board is placed in the interior volume that described housing surrounds, and described processor and described storer are arranged on described circuit board; Described power circuit, for powering for each circuit of described mobile terminal or device; Described storer is used for stores executable programs code; Described processor runs the program corresponding with described executable program code by reading the executable program code stored in described storer, for execution following steps:
Obtain the memory size of described mobile terminal, obtain corresponding cleaning threshold according to described memory size;
The memory information that the application program obtaining backstage survival takies, judge whether the application program of surviving on backstage reaches cleaning threshold according to described memory information, if reach, then determine application program for clearance, and kill process corresponding to described application program for clearance, to discharge the memory headroom that described application program for clearance takies.
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