WO2017166760A1

WO2017166760A1 - Method, apparatus, mobile terminal, and electronic device for reviewing image file

Info

Publication number: WO2017166760A1
Application number: PCT/CN2016/100290
Authority: WO
Inventors: 赵洪涛
Original assignee: 乐视控股（北京）有限公司; 乐视移动智能信息技术（北京）有限公司
Priority date: 2016-04-01
Filing date: 2016-09-27
Publication date: 2017-10-05
Also published as: CN105912591A

Abstract

Disclosed in the present application are a method, an apparatus, a mobile terminal, and an electronic device for reviewing image files. The present application relates to the technical field of computer mobile terminals. The method comprises: acquiring the identification code of the image file to be displayed; examining whether the image control element for displaying the image file corresponding to the identification code is vacant; if the examination result is null, looking up, by means of the identification code, the image file corresponding to the identification code in a read only memory; the image file to be displayed, when being browsed for the first time, being backed up into the read only memory; when the read only memory stores the image file corresponding to the identification code, reading the image file from the read only memory and writing the same to a random access memory; restoring the read image file from the random access memory to the image control element so as to display the image file. In this way, it may be unnecessary to re-download the image file when the cached resources occupied by the image file have been released, saving the user's traffic.

Description

Method, device, mobile terminal and electronic device for reviewing image files

cross reference

This application is a continuation application of the Chinese Patent Application filed on April 1, 2016, the Chinese Patent Office, Application No. 201610203962.6, entitled "Review of Image Files, Devices, and Mobile Terminals". This application is filed in 2016. The priority of the Chinese Patent Application No. 201610203962.6, the entire disclosure of which is hereby incorporated by reference in its entirety in its entirety in the the the the the the the the the the

Technical field

The present application relates to the field of computer mobile terminal technologies, and in particular, to a method, an apparatus, a mobile terminal, and an electronic device for reviewing an image file.

Background technique

In the era of mobile Internet, users are becoming more accustomed to using mobile terminals such as mobile phones to view photos, web pages with image files, and the like.

When the user browses the image file, the mobile terminal continuously loads the image file into the cache, so that the user can quickly display the image file when performing the operation such as viewing back, and no need to re-download from the network.

However, the user sometimes browses a lot of image files. Due to the limited buffer space, it is impossible to load all the image files browsed by the user into the cache space. When the cache space is occupied to a certain extent, the mobile terminal will release part of the cache space. In this way, when the user looks back at the image file, some image files are released due to the cache, and the mobile terminal can only re-download the image file from the network, which requires user traffic.

Summary of the invention

The technical problem to be solved by the present application is that the image file cache has to be released when it is released. Newly download the image file.

To this end, the embodiment of the present application provides a method for reviewing an image file, including: acquiring an identification code of an image file to be displayed; checking whether an image control of an image file corresponding to the identification code is empty; When the result is empty, the image file corresponding to the identification code is searched in the read-only memory by the identifier code, wherein the image file to be displayed is backed up into the read-only memory when browsing for the first time; When the image file corresponding to the identification code is stored in the read memory, the image file is read from the read-only memory to the random access memory; and the read image file is restored from the random access memory to the image In the control, to display the image file.

In the method of the embodiment of the present application, preferably, the method further includes: converting the image file backed up in the read-only memory from a format of low compression ratio to a format of high compression ratio.

In the method of the embodiment of the present application, preferably, the method further comprises: compressing the image file backed up in the read-only memory within a predetermined time period into a compressed file package.

In the method of the embodiment of the present application, preferably, the method further includes: clearing at least a part of the image file backed up in the read-only memory.

The embodiment of the present application further provides an apparatus for viewing an image file, comprising: an obtaining unit, configured to acquire an identification code of an image file to be displayed; and an checking unit, configured to check an image file corresponding to the identifier code. Whether the image control is empty or not; the searching unit is configured to search for an image file corresponding to the identification code in the read-only memory by using the identification code when the inspection result of the inspection unit is empty, wherein the image file to be displayed is The first unit is backed up to the read-only memory; the reading unit is configured to: when the search unit finds the image file corresponding to the identifier code stored in the read-only memory, the image is The file is read from the read-only memory to the random access memory; and a restoring unit is configured to restore the image file read by the reading unit from the random access memory to the image control to display the image file.

The device according to the embodiment of the present application, preferably, the device further includes: a converting unit, configured to convert the image file backed up in the read-only memory from a low compression rate format to a high compression rate format.

The device according to the embodiment of the present application, preferably, the device further includes: a compression unit, The image file backed up in the read-only memory within a predetermined time period is compressed into a compressed file package.

The device according to the embodiment of the present application, preferably, the device further includes: a clearing unit, configured to clear at least a part of the image file backed up in the read-only memory.

In the apparatus according to the embodiment of the present application, preferably, the clearing unit uses an LRU algorithm to clear the least recently used image file out of the read only memory.

The embodiment of the present application further provides a mobile terminal, including the apparatus for reviewing an image file according to any one of the preceding claims.

An embodiment of the present application further provides an electronic device including at least one processor; and a memory communicably coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor The instruction is executed by the at least one processor to enable the at least one processor to acquire an identification code of an image file to be displayed; and check whether an image control that displays an image file corresponding to the identification code is empty; When the result of the check is empty, the image file corresponding to the identification code is searched in the read-only memory by the identifier code, wherein the image file to be displayed is backed up into the read-only memory when browsing for the first time; When the image file corresponding to the identification code is stored in the read-only memory, the image file is read from the read-only memory to the random access memory; and the read image file is restored from the random access memory to the In the image control to display the image file.

In the above electronic device, preferably, the at least one processor is further capable of converting an image file backed up in the read-only memory from a low compression ratio format to a high compression ratio format.

In the above electronic device, preferably, the at least one processor is further capable of compressing an image file backed up in the read-only memory within a predetermined time period into a compressed file package.

Preferably, the at least one processor is further capable of: clearing at least a portion of the image file backed up in the read only memory.

Embodiments of the present application also provide a non-volatile computer storage medium storing the computer-executable instructions of computer-executable instructions that, when executed by an electronic device, enable an electronic device to acquire an image to be displayed An identifier of the file; checking whether an image control of the image file corresponding to the identifier code is empty; when the check result is empty, The identification code searches for an image file corresponding to the identification code in a read-only memory, wherein the image file to be displayed is backed up into the read-only memory when first browsing; when the identifier is stored in the read-only memory The image file corresponding to the code is read from the read-only memory to the random access memory; the read image file is restored from the random access memory to the image control to display the image file.

The above storage medium preferably enables the electronic device to further convert the image file backed up in the read only memory from a low compression format to a high compression format.

The above storage medium preferably enables the electronic device to further compress the image file backed up in the read-only memory within a predetermined period of time into a compressed file package.

The above storage medium preferably enables the electronic device to also: clear at least a portion of the image file backed up in the read only memory.

The embodiment of the present application further provides a computer program product, the computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer The computer is caused to perform any of the above methods. The method, the device, the mobile terminal, the electronic device, and the storage medium provided by the application for reviewing an image file pass the identification code of the image file to be displayed in a case where the cache resource occupied by the image file to be displayed has been released. Obtaining a backup of the image file from the read-only memory, and restoring the image file to be displayed to the image control by using the backup, thereby eliminating the need to re-download the image file from the network, saving user traffic, and from the read-only memory Reading image files is much faster than re-downloading the image file from the network, and it also speeds up browsing the image.

DRAWINGS

In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings to be used in the specific embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings according to the drawings without any creative work.

The features and advantages of the present application will be more clearly understood from the following description of the appended claims.

FIG. 1 shows a flow chart of a method of looking back at an image file according to an embodiment of the present application;

2 shows a schematic diagram of an apparatus for reviewing an image file in accordance with an embodiment of the present application;

FIG. 3 is a schematic diagram showing the hardware structure of an electronic device according to an embodiment of the present application.

detailed description

The technical solutions of the present application are clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description and the simplified description, and does not indicate or imply that the device or component referred to has a specific orientation, in a specific orientation. Construction and operation are therefore not to be construed as limiting the application. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise specifically defined and defined. Connected, or connected integrally; may be mechanical or electrical; They may be directly connected, or may be indirectly connected through an intermediate medium, or may be internal communication between two components, and may be a wireless connection or a wired connection. The specific meanings of the above terms in the present application can be understood in the specific circumstances for those skilled in the art.

Further, the technical features involved in the different embodiments of the present application described below may be combined with each other as long as they do not constitute a conflict with each other.

The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The embodiment of the present application provides a method for reviewing an image file, and the method can be applied to a mobile terminal such as a mobile phone or a tablet computer. As shown in FIG. 1 , the method includes the following steps:

S11. Obtain an identification code (ID) of the image file to be displayed. Here, the identification code may be a character string or a URL (Uniform Resource Locator) of the picture.

S12. Check whether the image control of the image file corresponding to the identification code is null (null). In the Android system, the image control may be, for example, an ImageView image control, and the ImageView image control is responsible for displaying an image. The source of the image may be the id of the resource file, the Drawable object or the Bitmap object, or the content provider. website address.

Here, the mobile terminal first checks whether there is an image file in its random access memory (RAM), which may be, for example, a cache or memory of the mobile terminal. As is known, the storage space of the random access memory is small. Currently, the storage space of the random access memory of the mainstream mobile terminal is usually 1-4G, which is expensive, and the data stored therein is lost after the power is cut off, but the read/write speed of the random access memory Fast, image files stored in random access memory can be easily viewed by users at any time.

When the check result is not empty, it indicates that the image file to be displayed is still stored in the random memory, and the image file can be directly displayed; when the check result is empty, it indicates that the cache resource occupied by the image file has been released. In this case, step S13 is performed.

S13. Search for an image file corresponding to the identification code in the read-only memory (ROM) by using the identification code, wherein the image file to be displayed is backed up into the read-only memory when browsing for the first time. The read-only memory can be, for example, a read-only storage space or a memory card of the mobile terminal, and the storage space of the read-only memory in the mobile terminal is much larger than that of the random access memory. The storage space of the storage is usually 16-128G, and the storage space can be further expanded by the memory card, the price is low, and the data stored therein after the power is off remains.

Since the image processing is performed here, the image file has been browsed. Since the read-only memory has a large storage space and is inexpensive, the mobile terminal can store the image file on the mobile when the user browses the image file for the first time. Both the random access memory and the read only memory of the terminal.

When the image file corresponding to the identifier code does not exist in the read-only memory, the mobile terminal can only re-download the image file from the network, and the image corresponding to the identifier code is stored in the read-only memory. In the case of a file, step S14 is performed in this case.

S14. Reading the image file from the read only memory to the random access memory.

S15. Restoring the read image file from the random access memory to the image control to display the image file.

Through the above method steps, in the case that the cache resource occupied by the image file to be displayed has been released, the backup of the image file is obtained from the read-only memory by the identification code of the image file to be displayed, and the backup is required by the backup. The displayed image file is restored to the image control, thereby eliminating the need to re-download the image file from the network, saving user traffic, and reading the image file from the read-only memory much faster than re-downloading the image file from the network. It also improves the speed of browsing pictures.

Preferably, the above method may further include: converting the image file backed up in the read-only memory from a format of low compression ratio to a format of high compression ratio. For example, an image file format of a low compression ratio such as bmp or tif can be converted into an image file format of a high compression ratio such as jpg or even png, thereby reducing the storage space occupied by the image file.

Preferably, the above method may further comprise: compressing the image file backed up in the read-only memory within the predetermined time period into a compressed file package. For example, the mobile terminal can compress the image file stored in one week into a compressed file package, thereby further reducing the storage space occupied by the image file. Thus, when the user needs to look back at the image file, the image file to be viewed can still be extracted from the compressed package without having to re-download the image file from the network.

Further preferably, the image file format of low compression ratio is first converted into a map of high compression ratio. Like the file format, a high-compression image file format, such as a backup during a predetermined time period, is then stored in the form of a compressed file package to further reduce the storage space occupied by the backup of the browsed image file.

Although the read-only memory has a large storage space and is inexpensive, the storage space of the read-only memory may still be exhausted. Therefore, the above method may further include: clearing at least a part of the image file of the backup in the read-only memory. For example, the mobile terminal may use the LRU (Least Recently Used) algorithm, that is, the least recently used algorithm to clear the least recently used image file out of the read-only memory; the mobile terminal may also sort the stored image files according to the storage time order. The read-only memory, for example, clears the image file that was viewed a month ago, because the user rarely needs to look back at the image file that is so long ago, so that the storage space of the read-only memory can be prevented from being exhausted. For the compressed package file, the mobile terminal can clear the entire compressed package, or just clear some files in the compressed package.

It should be understood by those skilled in the art that the above optional steps are all for reducing the storage space occupied by the backup image file, and any feasible combination of the above optional steps falls within the protection scope of the present application.

Correspondingly, the embodiment of the present application provides a device for viewing an image file, and the device can be applied to a mobile terminal such as a mobile phone or a tablet computer. As shown in FIG. 2, the device includes:

The obtaining unit 21 is configured to acquire an identification code (ID) of the image file to be displayed. Here, the identification code may be a character string or a URL (Uniform Resource Locator) of the picture.

The checking unit 22 is configured to check whether the image control for displaying the image file corresponding to the identification code is null. When the check result is not empty, it indicates that the image file to be displayed is still stored in the random memory, and then The image file is displayed directly.

The searching unit 23 is configured to search for an image file corresponding to the identification code in the read only memory (ROM) by using the identification code when the check result of the checking unit 23 is empty, wherein the image file to be displayed is When the image file corresponding to the identification code does not exist in the read-only memory, the mobile terminal can only re-download the image file from the network.

The reading unit 24 is configured to search the search unit 23 for the identification code stored in the read-only memory. When the corresponding image file is used, the image file is read from the read only memory to the random access memory.

The recovery unit 25 is configured to restore the image file read by the reading unit 24 from the random access memory to the image control to display the image file.

Through the above-mentioned respective units, in the case that the cache resource occupied by the image file to be displayed has been released, the backup of the image file is obtained from the read-only memory by the identification code of the image file to be displayed, and the backup is required by the backup. The displayed image file is restored to the image control, thereby eliminating the need to re-download the image file from the network, saving user traffic, and reading the image file from the read-only memory much faster than re-downloading the image file from the network. It also improves the speed of browsing pictures.

Preferably, the apparatus may further include: a converting unit, configured to convert the image file backed up in the read-only memory from a low compression rate format to a high compression rate format. For example, an image file format of a low compression ratio such as bmp or tif can be converted into an image file format of a high compression ratio such as jpg or even png, thereby reducing the storage space occupied by the image file.

Preferably, the apparatus may further include: a compression unit, configured to compress the image file backed up in the read-only memory in the predetermined time period into a compressed file package. For example, the mobile terminal can compress the image file stored in one week into a compressed file package, thereby further reducing the storage space occupied by the image file. Thus, when the user needs to look back at the image file, the image file to be viewed can still be extracted from the compressed package without having to re-download the image file from the network.

Further preferably, the image file format of the low compression ratio is first converted into the image file format of the high compression ratio by the conversion unit, and then the image file format of the high compression ratio backed up, for example, in a predetermined time period, is compressed by the compression unit to compress the file. The package is stored in the form of a package to further reduce the storage space used to back up the browsed image files.

Although the read-only memory has a large storage space and is inexpensive, the storage space of the read-only memory may still be exhausted. Therefore, the above apparatus may further include: a clearing unit for clearing at least a part of the image file backed up in the read-only memory. For example, the mobile terminal may use the LRU (Least Recently Used) algorithm, that is, the least recently used algorithm, to clear the least recently used image file out of the read-only memory; the mobile terminal may also sort according to the storage time, which will be the most The image file stored early clears out the read-only memory, for example, clears the image file that was viewed one month ago, because the user rarely needs to look back at the image file that is so long ago, so that the storage space of the read-only memory can be prevented from being exhausted. For the compressed package file, the mobile terminal can clear the entire compressed package, or just clear some files in the compressed package.

It should be understood by those skilled in the art that each of the above optional units is for reducing the storage space occupied by the backup of the browsed image file, and any feasible combination of the above various optional units falls within the protection scope of the present application.

The embodiment of the present application further provides a mobile terminal, including the apparatus for reviewing an image file as described above, so that the mobile terminal can display by using the cache resource occupied by the image file to be displayed. The image file identification code obtains a backup of the image file from the read-only memory, and restores the image file to be displayed to the image control through the backup, so that the image file can be downloaded without re-downloading from the network, thereby saving user traffic. And the speed of reading the image file from the read-only memory is much faster than the speed of re-downloading the image file from the network.

As shown in FIG. 3, the present application further provides an electronic device including at least one processor 810; and a memory 800 communicably coupled to the at least one processor 810; wherein the memory 800 stores Executing instructions executed by at least one processor 810, the instructions being executed by the at least one processor 810 to enable the at least one processor 810 to acquire an identification code of an image file to be displayed; checking display of the identification code Whether the image control of the corresponding image file is empty; when the check result is empty, the image file corresponding to the identification code is searched in the read-only memory by the identification code, wherein the image file to be displayed is Backing up into the read-only memory; when the image file corresponding to the identification code is stored in the read-only memory, reading the image file from the read-only memory to a random access memory; The image file is restored from the random access memory to the image control to display the image file. The electronic device also includes an input electrically coupled to the memory 800 and the processor Into device 830 and output device 840, the electrical connections are preferably connected by a bus.

In the electronic device of this embodiment, preferably, the at least one processor is further capable of: converting an image file backed up in the read-only memory from a format of a low compression ratio to a format of a high compression ratio.

In the electronic device of this embodiment, preferably, the at least one processor is further capable of: compressing an image file backed up in the read-only memory within a predetermined time period into a compressed file package.

In the electronic device of this embodiment, preferably, the at least one processor is further capable of: clearing at least a part of the image file backed up in the read-only memory.

Embodiments of the present application also provide a non-volatile computer storage medium storing the computer-executable instructions of computer-executable instructions that, when executed by an electronic device, enable an electronic device to acquire an image to be displayed An identifier of the file; checking whether the image control of the image file corresponding to the identifier is empty; and when the check result is empty, searching for the image file corresponding to the identifier in the read-only memory by using the identifier The image file to be displayed is backed up into the read-only memory when browsing for the first time; when the image file corresponding to the identification code is stored in the read-only memory, the image file is from the The read memory is read to the random access memory; the read image file is restored from the random access memory to the image control to display the image file.

The storage medium of the embodiment preferably enables the electronic device to further convert the image file backed up in the read-only memory from a format of low compression ratio to a format of high compression ratio.

The storage medium of the embodiment preferably causes the electronic device to further compress the image file backed up in the read-only memory within a predetermined time period into a compressed file package.

The storage medium of the embodiment preferably, such that the electronic device is further capable of: clearing at least a portion of the image file backed up in the read only memory.

The embodiment of the present application further provides a computer program product, the computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program package Program instructions are provided that, when executed by a computer, cause the computer to perform the methods described above.

Those skilled in the art will also appreciate that embodiments of the present application can be provided as a method, system, or computer program product. Thus, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware. Moreover, the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

The present application is described with reference to flowchart illustrations and/or block diagrams of a method, a device (system), and a computer program product according to embodiments of the present application, it being understood that each of the flowcharts and/or block diagrams can be implemented by computer program instructions. And/or a combination of blocks and flow diagrams and/or blocks in the flowcharts and/or block diagrams. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

It is apparent that the above-described embodiments are merely illustrative of the examples, and are not intended to limit the embodiments. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to implement all the implementations. Exhausted. Obvious changes or variations resulting therefrom are still within the scope of the invention.

Claims

A method for reviewing an image file, comprising:

Obtain an identification code of the image file to be displayed;

Checking whether the image control of the image file corresponding to the identifier code is empty;

When the result of the check is empty, the image file corresponding to the identification code is searched in the read-only memory by the identifier code, wherein the image file to be displayed is backed up into the read-only memory when browsing for the first time;

When the image file corresponding to the identification code is stored in the read-only memory, the image file is read from the read-only memory to a random access memory;

The read image file is restored from the random access memory to the image control to display the image file.
The method of viewing an image file according to claim 1, further comprising:

The image file backed up in the read only memory is converted from a low compression format to a high compression format.
The method of viewing an image file according to claim 1, further comprising:

The image file backed up in the read-only memory within a predetermined period of time is compressed into a compressed file package.
The method of viewing an image file according to any one of claims 1 to 3, further comprising:

Clearing at least a portion of the image file backed up in the read only memory.
An apparatus for reviewing an image file, comprising:

An obtaining unit, configured to acquire an identification code of an image file to be displayed;

a checking unit, configured to check whether an image control that displays an image file corresponding to the identification code is empty;

a search unit, configured to search for an image file corresponding to the identification code in the read-only memory by using the identification code when the check result of the check unit is empty, wherein the image file to be displayed is backed up during the first browsing Into the read only memory;

a reading unit, configured to store, in the read-only memory, the read-only memory When the image file corresponding to the identification code is used, the image file is read from the read-only memory to a random access memory;

And a recovery unit, configured to restore an image file read by the reading unit from the random access memory to the image control to display the image file.
The apparatus for viewing an image file according to claim 5, further comprising:

And a converting unit, configured to convert the image file backed up in the read-only memory from a low compression rate format to a high compression rate format.
The apparatus for viewing an image file according to claim 5, further comprising:

And a compression unit, configured to compress the image file backed up in the read-only memory in the predetermined time period into a compressed file package.
The apparatus for viewing an image file according to any one of claims 5-7, further comprising:

And a clearing unit, configured to clear at least a part of the image file backed up in the read only memory.
The apparatus for viewing an image file according to claim 8, wherein the clearing unit uses an LRU algorithm to clear the least recently used image file out of the read only memory.
A mobile terminal, comprising the apparatus for reviewing an image file according to any one of claims 5-9.
An electronic device, comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions Executed by the at least one processor to enable the at least one processor to:

Obtain an identification code of the image file to be displayed;

Checking whether the image control of the image file corresponding to the identifier code is empty;

When the result of the check is empty, the image file corresponding to the identification code is searched in the read-only memory by the identifier code, wherein the image file to be displayed is backed up into the read-only memory when browsing for the first time;

When the image file corresponding to the identification code is stored in the read-only memory, the image file is read from the read-only memory to a random access memory;

The read image file is restored from the random access memory to the image control to display the image file.
The electronic device of claim 11, wherein the at least one processor is further capable of:

The image file backed up in the read only memory is converted from a low compression format to a high compression format.
The electronic device of claim 11, wherein the at least one processor is further capable of:

The image file backed up in the read-only memory within a predetermined period of time is compressed into a compressed file package.
The electronic device according to any one of claims 11 to 13, wherein the at least one processor is further enabled to:

Clearing at least a portion of the image file backed up in the read only memory.
A non-volatile computer storage medium characterized by: said storage medium storing said computer executable instructions of computer executable instructions, when executed by an electronic device, enabling the electronic device to:

Obtain an identification code of the image file to be displayed;

Checking whether the image control of the image file corresponding to the identifier code is empty;

When the result of the check is empty, the image file corresponding to the identification code is searched in the read-only memory by the identifier code, wherein the image file to be displayed is backed up into the read-only memory when browsing for the first time;

When the image file corresponding to the identification code is stored in the read-only memory, the image file is read from the read-only memory to a random access memory;

The read image file is restored from the random access memory to the image control to display the image file.
A storage medium according to claim 15, wherein the electronic device is further were able:

The image file backed up in the read only memory is converted from a low compression format to a high compression format.
The storage medium of claim 15 wherein the electronic device is further capable of:

The image file backed up in the read-only memory within a predetermined period of time is compressed into a compressed file package.
The storage medium according to any one of claims 15-17, wherein the electronic device is further enabled to:

Clearing at least a portion of the image file backed up in the read only memory.
A computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, wherein when the program instructions are executed by a computer, The computer performs the method of any of the preceding claims.