CN105912480A - Cache management method, device and mobile terminal - Google Patents
Cache management method, device and mobile terminal Download PDFInfo
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- CN105912480A CN105912480A CN201610204036.0A CN201610204036A CN105912480A CN 105912480 A CN105912480 A CN 105912480A CN 201610204036 A CN201610204036 A CN 201610204036A CN 105912480 A CN105912480 A CN 105912480A
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- image
- image control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/12—Replacement control
- G06F12/121—Replacement control using replacement algorithms
- G06F12/123—Replacement control using replacement algorithms with age lists, e.g. queue, most recently used [MRU] list or least recently used [LRU] list
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/60—Memory management
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a cache management method, device and a mobile terminal, pertaining to the technical field of computer mobile terminals. The method comprises following steps: obtaining image files; generating image controls in order to display the image files in the image controls; recording the number of generated image controls; and determining whether the number of generated image controls exceeds the pre-set value, releasing image resources of at least one part of image controls when the pre-set value is exceeded and notifying a virtual machine to recover image resources released.Therefore, image resources of at least one part of image controls are released when the number of generated image controls exceeds the pre-set value, namely, the cache occupies much and the virtual machine is notified to recover image resources released in order to release cache space. As a result, the cache does not occupy too much and the mobile terminal kept running smoothly
Description
Technical field
The present invention relates to computer technical field of mobile terminals, be specifically related to a kind of buffer memory management method,
Device and mobile terminal.
Background technology
In the mobile Internet epoch, user increasingly get used to the mobile terminals such as mobile phone browse photo,
Webpage etc. with image file.In Android system, it will usually use the figures such as such as ImageView
As control shows various picture, user often opens an image file, and mobile terminal will generate one
Individual ImageView Image control, and according to the size of image file to be loaded, to Image control
Distribute certain spatial cache.
Constantly open multiple image file along with user, mobile terminal will generate multiple ImageView
Image control, can take increasing spatial cache, is limited to caching and the place of current mobile terminal
The disposal ability of reason device, so can cause running of mobile terminal slow, even crash, collapse.
Summary of the invention
The technical problem to be solved in the present invention is that mobile terminal continuous load image file can take too much
Caching, causes running of mobile terminal slow, even crashes, collapses.
To this end, embodiments provide a kind of buffer memory management method, including: obtain image file；
Generate Image control to show described image file in described Image control；The image that record is generated
The quantity of control；Judge that the quantity of the Image control generated, whether beyond preset value, is preset when exceeding
During value, discharge the image resource of at least some of Image control, and notify what virtual machine recovery was discharged
Image resource.
Preferably, the step of the image resource of at least some of Image control of described release includes: use
Lru algorithm, the image resource of release least recently used image file.
Preferably, the step of the image resource of at least some of Image control of described release includes: according to
The time order and function sequence that Image control generates, the literary composition of the image shown by Image control that release generates the earliest
The image resource of part.
Preferably, described image file is bitmap format file.
Preferably, described method is after described notice virtual machine reclaims the image resource discharged, also
Including: again notify after at preset time intervals that virtual machine reclaims the image resource discharged.
The embodiment of the present invention additionally provides a kind of cache management device, including: acquiring unit, it is used for obtaining
Take image file；Signal generating unit, is used for generating Image control described with display in described Image control
Image file；Record unit, for the quantity of the Image control that record is generated；Judging unit, uses
In judging that whether the quantity of the Image control generated is beyond preset value；Releasing unit, for described
When judging unit judges the quantity of the Image control generated beyond preset value, at least some of figure of release
Image resource as control；Notification unit, the image resource discharged for notifying virtual machine to reclaim.
Preferably, described releasing unit uses lru algorithm, discharges least recently used image file
Image resource.
Preferably, the time order and function sequence that described releasing unit generates according to Image control, release is the earliest
The image resource of the image file shown by Image control generated.
Preferably, described notification unit be additionally operable to notice virtual machine reclaim the image resource that discharged it
After predetermined time interval after, notice virtual machine reclaims the image resource that discharged again.
The embodiment of the present invention additionally provides a kind of mobile terminal, including the caching pipe described in any of the above-described item
Reason device.
Buffer memory management method, device and the mobile terminal that the embodiment of the present invention is provided, at the figure generated
As control quantity is beyond preset value, when i.e. caching takies excessive, discharge at least some of Image control
Image resource, and notify that virtual machine reclaims the image resource that discharged to discharge spatial cache, thus can
To keep caching will not take too much, keep running of mobile terminal smooth.
Accompanying drawing explanation
By being more clearly understood from the features and advantages of the present invention with reference to accompanying drawing, accompanying drawing is schematic
And should not be construed as the present invention is carried out any restriction, in the accompanying drawings:
Fig. 1 shows the flow chart of buffer memory management method according to embodiments of the present invention；
Fig. 2 shows the schematic diagram of cache management device according to embodiments of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention is described in detail.
Embodiments providing a kind of buffer memory management method, the method goes for mobile phone, puts down
The mobile terminals such as plate computer, as it is shown in figure 1, the method comprises the steps:
S11. image file is obtained.When user clicks on certain image file, mobile terminal just can obtain
Get the image file that user is clicked on.Preferably, image file is bitmap (bmp) formatted file,
So mobile terminal can directly display when loading this document, and without decoding operation, opens more
Rapidly.
S12. Image control is generated to show this image file in Image control.In Android system,
This Image control can be such as ImageView Image control, and ImageView Image control is responsible for aobvious
Diagram picture, the source of its image both can be the id of resource file, it is also possible to be Drawable object or
Bitmap object, it is also possible to be the network address of content supplier.
S13. the quantity of the Image control that record is generated.User often opens an image file, mobile
Terminal will generate an Image control, and mobile terminal can record the number of generated Image control
Amount.
S14. judge whether the quantity of the Image control generated exceeds preset value, when beyond preset value
Perform step S15, when without departing from preset value, illustrate that spatial cache still has a large amount of more than needed, it is not necessary to perform
Any operation.Here, preset value can dispatch from the factory in advance according to the size of mobile terminal institute band caching
Set, it is also possible to by user according to oneself use habit sets itself.
S15. the image resource of at least some of Image control is discharged.After image resource is released, should
Image would not be shown.
S16. notice virtual machine reclaims the image resource discharged.
By above-mentioned steps, mobile terminal, i.e. caches beyond preset value in the Image control quantity generated
When taking excessive, discharge the image resource of at least some of Image control, and notify that virtual machine reclaims institute
The image resource of release, to discharge spatial cache, such that it is able to keep caching will not take too much, keeps
Running of mobile terminal is smooth.
In step S15, mobile terminal can discharge the image resource of all images control, it is also possible to
Only discharge the image resource of a part of Image control.Preferably, only release part figure
As the image resource of control, and make caching take and remain in a certain degree, such that it is able to take into account
Running of mobile terminal is smooth and to open image file speed fast.
Preferably, mobile terminal can use LRU (Least Recently Used) algorithm, the most in the recent period
Minimum use algorithm, the image resource of release least recently used image file；Mobile terminal also may be used
With the time order and function sequence generated according to Image control, discharge shown by the Image control generated the earliest
The image resource of image file, such that it is able to make user obtain more preferably image browsing file experience.
As a kind of preferred implementation, after step S16, it is additionally may included in predetermined time interval
After again notify that virtual machine reclaims the image resource that discharged.Mobile terminal is performing step S16 notice
After virtual machine reclaims the image resource discharged, it is likely to be due to various reasons and causes discharged image to provide
Source is not recovered, and is recovered to discharge spatial cache in order to ensure the image resource discharged, mobile whole
End can notify after the such as 1-5 second that virtual machine reclaims the image resource discharged again.
Correspondingly, embodiments providing a kind of cache management device, this device goes for
The mobile terminal such as mobile phone, panel computer, as in figure 2 it is shown, this device includes:
Acquiring unit 21, is used for obtaining image file.When user clicks on certain image file, mobile
Terminal just can get the image file that user is clicked on.
Signal generating unit 22, is used for generating Image control to show this image file in Image control.?
In Android system, this Image control can be such as ImageView Image control, and ImageView schemes
As control is responsible for showing image, the source of its image both can be the id of resource file, it is also possible to be
Drawable object or Bitmap object, it is also possible to be the network address of content supplier.
Record unit 23, for the quantity of the Image control that record is generated.User often opens a figure
As file, mobile terminal will generate an Image control, and mobile terminal can be recorded and be generated
The quantity of Image control.
Judging unit 24, for judging that whether the quantity of the Image control generated is beyond preset value.When
When judging unit 24 judges the quantity of the Image control generated without departing from preset value, spatial cache is described
Still have a large amount of more than needed, it is not necessary to perform any operation.Here, preset value can be according to mobile terminal institute
The size of band caching and factory setting in advance, it is also possible to set voluntarily according to the use habit of oneself by user
Fixed.
Releasing unit 25, the quantity of the Image control for judging to be generated at judging unit 24 exceeds pre-
If during value, discharging the image resource of at least some of Image control.After image resource is released, should
Image would not be shown.
Notification unit 26, the image resource discharged for notifying virtual machine to reclaim.
By said apparatus, mobile terminal, i.e. caches beyond preset value in the Image control quantity generated
When taking excessive, discharge the image resource of at least some of Image control, and notify that virtual machine reclaims institute
The image resource of release, to discharge spatial cache, such that it is able to keep caching will not take too much, keeps
Running of mobile terminal is smooth.
Here, releasing unit 25 can discharge the image resource of all images control, it is also possible to only releases
Put the image resource of a part of Image control.Preferably, a part of image control is only discharged
The image resource of part, and make caching take and remain in a certain degree, such that it is able to take into account movement
Terminal operating is smooth and to open image file speed fast.
Preferably, releasing unit 25 can use LRU (Least Recently Used) algorithm, i.e.
Recent minimum use algorithm, the image resource of release least recently used image file；Releasing unit
The 25 time order and function sequences that can also generate according to Image control, the Image control institute that release generates the earliest
The image resource of the image file of display, such that it is able to make user obtain more preferably image browsing file body
Test.
As a kind of preferred implementation, notification unit 26 is additionally operable to reclaim at notice virtual machine discharged
Image resource after predetermined time interval after again notify virtual machine reclaim discharged image money
Source.Notification unit 26, after notice virtual machine reclaims the image resource discharged, is likely to be due to all former
Because causing discharged image resource not to be recovered, in order to ensure the image resource discharged be recovered with
Release spatial cache, notification unit 26 can again notify after the such as 1-5 second that virtual machine reclaims and be released
The image resource put.
The embodiment of the present invention additionally provides a kind of mobile terminal, and it includes that cache management as above fills
Put, thus mobile terminal can be in the Image control quantity generated beyond preset value, i.e. caching took
Time big, discharge the image resource of at least some of Image control, and notify what virtual machine recovery was discharged
Image resource is to discharge spatial cache, such that it is able to keep caching will not take too much, keeps mobile whole
End runs smoothness.
It should also be appreciated by one skilled in the art embodiments of the invention can be provided as method, system,
Or computer program.Therefore, the present invention can use complete hardware embodiment, complete software to implement
Example or the form of the embodiment in terms of combining software and hardware.And, the present invention can use at one
Or multiple wherein include computer usable program code computer-usable storage medium (include but not
It is limited to disk memory, CD-ROM, optical memory etc.) the upper computer program implemented
Form.
The present invention is with reference to method, equipment (system) and computer program according to embodiments of the present invention
The flow chart of product and/or block diagram describe, it should be understood that can be realized stream by computer program instructions
In each flow process in journey figure and/or block diagram and/or square frame and flow chart and/or block diagram
Flow process and/or the combination of square frame.These computer program instructions can be provided to general purpose computer, specially
With the processor of computer, Embedded Processor or other programmable data processing device to produce one
Machine so that the instruction performed by the processor of computer or other programmable data processing device is produced
Raw for realizing one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple side
The device of the function specified in frame.
These computer program instructions may be alternatively stored in and computer or other programmable datas can be guided to process
In the computer-readable memory that equipment works in a specific way so that be stored in this computer-readable and deposit
Instruction in reservoir produces the manufacture including command device, and this command device realizes flow chart one
The function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded into computer or other programmable data processing device
On so that on computer or other programmable devices, perform sequence of operations step to produce computer
The process realized, thus the instruction performed on computer or other programmable devices provides and is used for realizing
One flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame are specified
The step of function.
Although being described in conjunction with the accompanying embodiments of the present invention, but those skilled in the art can be
Without departing from the case of the spirit and scope of the present invention, various modification can be adapted and modification, such amendment and
Within the scope of modification each falls within and is defined by the appended claims.
Claims (10)
1. a buffer memory management method, it is characterised in that including:
Obtain image file；
Generate Image control to show described image file in described Image control；
The quantity of the Image control that record is generated；
Judge that the quantity of the Image control generated, whether beyond preset value, when beyond preset value, is released
Put the image resource of at least some of Image control, and notify that virtual machine reclaims the image resource discharged.
Buffer memory management method the most according to claim 1, it is characterised in that described release is at least
The step of the image resource of a part of Image control includes: uses lru algorithm, discharges minimum making
The image resource of image file.
Buffer memory management method the most according to claim 1, it is characterised in that described release is at least
The step of the image resource of a part of Image control includes: the time order and function row generated according to Image control
Sequence, the image resource of the image file shown by Image control that release generates the earliest.
Buffer memory management method the most according to claim 1, it is characterised in that described image file
It it is bitmap format file.
5. according to the buffer memory management method according to any one of claim 1-4, it is characterised in that
After described notice virtual machine reclaims the image resource discharged, also include: after at preset time intervals
Notice virtual machine reclaims the image resource discharged again.
6. a cache management device, it is characterised in that including:
Acquiring unit, is used for obtaining image file；
Signal generating unit, is used for generating Image control to show described image file in described Image control；
Record unit, for the quantity of the Image control that record is generated；
Judging unit, for judging that whether the quantity of the Image control generated is beyond preset value；
Releasing unit, the quantity of the Image control for judging to be generated at described judging unit exceeds pre-
If during value, discharging the image resource of at least some of Image control；
Notification unit, the image resource discharged for notifying virtual machine to reclaim.
Cache management device the most according to claim 6, it is characterised in that described releasing unit
Use lru algorithm, the image resource of release least recently used image file.
Cache management device the most according to claim 6, it is characterised in that described releasing unit
The time order and function sequence generated according to Image control, the figure shown by Image control that release generates the earliest
Image resource as file.
9. according to the cache management device according to any one of claim 6-8, it is characterised in that institute
State notification unit to be additionally operable to reclaim between the scheduled time after the image resource discharged at notice virtual machine
Every rear, notice virtual machine reclaims the image resource discharged again.
10. a mobile terminal, it is characterised in that include delaying according to any one of claim 6-9
Deposit managing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610204036.0A CN105912480A (en) | 2016-04-01 | 2016-04-01 | Cache management method, device and mobile terminal |
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| CN201610204036.0A CN105912480A (en) | 2016-04-01 | 2016-04-01 | Cache management method, device and mobile terminal |
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| CN107656699A (en) * | 2017-08-18 | 2018-02-02 | 上海车音智能科技有限公司 | Picture call method and device |
| CN111524059A (en) * | 2019-02-01 | 2020-08-11 | 珠海金山办公软件有限公司 | Memory utilization method, system, terminal and storage medium during image caching |
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Application publication date: 20160831 |