CN111444143B - Picture display method and device in picture set and mobile terminal - Google Patents
Picture display method and device in picture set and mobile terminal Download PDFInfo
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
- G06F16/162—Delete operations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
- G06F16/168—Details of user interfaces specifically adapted to file systems, e.g. browsing and visualisation, 2d or 3d GUIs
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/54—Browsing; Visualisation therefor
Abstract
The invention discloses a picture display method in a picture set, which is suitable for being executed in a mobile terminal and comprises the following steps: receiving a request for displaying a picture set, which is sent by a user; acquiring a first resolution picture set of the picture set from a system memory, and displaying pictures in the first resolution picture set; acquiring a second resolution picture set corresponding to the first resolution picture set, storing the second resolution picture set into a system memory of the mobile terminal, and displaying pictures in the second resolution picture set; judging whether the residual storage space of the system memory is lower than a threshold value, and if so, deleting the preset number of picture sets stored in the system memory. The invention also discloses a corresponding picture display device and a mobile terminal. According to the technical scheme, the method and the device are beneficial for a user to smoothly switch the browsing picture sets.
Description
Technical Field
The present invention relates to the field of image display technologies, and in particular, to a method and apparatus for displaying images in a set of images, and a mobile terminal.
Background
Android (Android) is an operating system based on free and open source codes of Linux, and is mainly used for mobile devices such as smart phones and tablet computers. The ImageVeiw control is a commonly used picture control of the Android system. At present, the picture formats supported by the native development of the Android system of the mobile terminal comprise: JPEG, PNG, GIF, BMP and WebP (support above android 4.0). The compressed format of the picture includes ALPHA_8, ARGB_4444, ARGB_8888, and RGB_565.
In the prior art, the picture browsing control mainly uses a fixed ImageView, imageView to display a group of second format pictures according to left and right sliding of a gesture. When another group of pictures is switched, the memory occupied by the currently displayed group of pictures is higher, so that the memory occupied by the current picture needs to be released first, and then the another group of pictures to be switched are loaded, and therefore, the another group of pictures to be switched need to be loaded from the local storage each time, so that the switching waiting time is longer, and the user experience is poor.
Therefore, a picture display method is needed to solve the problems in the above technical solutions.
Disclosure of Invention
Therefore, the invention provides a picture display method and device in a picture set and a mobile terminal, so as to solve or at least alleviate the problems.
According to an aspect of the present invention, there is provided a picture presentation method in a picture set, which is executed in a mobile terminal, the picture set including a first resolution picture set including a plurality of pictures of a first resolution and a second resolution picture set including a plurality of pictures of a second resolution corresponding to the first resolution picture, and the second resolution being higher than the first resolution, wherein the mobile terminal includes a storage device and a system memory, the method comprising: receiving a request for displaying a picture set, which is sent by a user; acquiring a first resolution picture set of the picture set from a system memory, and displaying pictures in the first resolution picture set; acquiring a second resolution picture set corresponding to the first resolution picture set, storing the second resolution picture set into a system memory of the mobile terminal, and displaying pictures in the second resolution picture set; judging whether the residual storage space of the system memory is lower than a threshold value, and if so, deleting the preset number of picture sets stored in the system memory.
Optionally, in the picture presentation method in a picture set according to the present invention, before storing the second resolution picture set in the system memory, the method further includes the steps of: judging whether the residual storage space of the system memory is smaller than the volume of the second resolution picture set; if the second resolution picture set is smaller than the first resolution picture set, deleting part of the second resolution picture in the second resolution picture set so as to store the second resolution picture set into a system memory; and if the resolution picture set is not smaller than the second resolution picture set, directly storing the second resolution picture set into a system memory.
Optionally, in the picture presentation method in a picture set according to the present invention, before storing the second resolution picture set in the system memory, the method further includes the steps of: the second resolution picture set is compressed into a predetermined picture format.
Optionally, in the picture exhibition method in a picture set according to the present invention, before the first resolution picture set of the picture set is obtained from the system memory, the method further includes the step of: judging whether the first resolution picture set is stored in a system memory, and if so, displaying the first resolution picture set; if the first resolution picture set does not exist in the storage device, judging whether the first resolution picture set exists in the storage device, if the first resolution picture set exists in the storage device, storing the first resolution picture set into a system memory, and if the first resolution picture set does not exist in the storage device, acquiring the first resolution picture set from a server, and storing the first resolution picture set into the storage device and the system memory respectively.
Optionally, in the picture exhibition method in a picture set according to the present invention, the step of acquiring a second resolution picture set corresponding to the first resolution picture set includes: judging whether the second resolution picture set is stored in a system memory or not; if yes, deleting the first resolution picture set in the system memory, and acquiring the second resolution picture set from the system memory for display; if the second resolution picture set does not exist in the storage device, judging whether the second resolution picture set exists in the storage device, if the second resolution picture set exists in the storage device, storing the second resolution picture set into a system memory, and if the second resolution picture set does not exist in the storage device, requesting the second resolution picture set from a server, and storing the acquired second resolution picture set into the storage device and the system memory of the mobile terminal respectively.
Optionally, in the picture displaying method in a picture set according to the present invention, the step of determining whether the remaining storage space of the system memory exceeds a threshold value includes: and monitoring the residual storage space of the system memory, and alarming when the residual storage space of the system memory is lower than a threshold value.
Optionally, in the picture exhibition method in a picture set according to the present invention, the picture set includes a plurality of versions, and the step of requesting and acquiring the first resolution picture set from the server includes: and sending a request for acquiring the first resolution picture set to a server based on the equipment information of the mobile terminal, so that the server determines the version of the first resolution picture set according to the equipment information and returns the first resolution picture set of the version.
Optionally, in the picture presentation method in a picture set according to the present invention, the device information includes system information, resolution information, and system memory information.
Optionally, in the picture exhibition method in the picture set according to the present invention, the predetermined picture format is argb_4444.
According to one aspect of the present invention, there is provided a picture display device, residing in a mobile terminal, adapted to display pictures in a picture set, the picture set comprising a first resolution picture set comprising a plurality of pictures of a first resolution and a second resolution picture set comprising a plurality of pictures of a second resolution corresponding to the first resolution picture, and the second resolution being higher than the first resolution, wherein the mobile terminal comprises a storage device and a system memory, the device comprising: the receiving module is suitable for receiving a request for displaying the picture set, which is sent by a user; the picture processing module is suitable for acquiring a first resolution picture set of the picture set from the system memory and displaying pictures in the first resolution picture set; the method comprises the steps of acquiring a first resolution picture set corresponding to a mobile terminal, storing the first resolution picture set in a system memory of the mobile terminal, and displaying pictures in the first resolution picture set; and the management module is suitable for judging whether the residual storage space of the system memory is lower than a threshold value, and deleting the preset number of picture sets stored in the system memory if the residual storage space of the system memory is lower than the threshold value.
Optionally, in the picture presentation apparatus according to the present invention, the management module is adapted to, before the picture processing module stores the second resolution picture set in the system memory of the mobile terminal: and judging whether the residual storage space of the system memory is smaller than the volume of the second resolution picture set, and if so, deleting part of the second resolution picture in the second resolution picture set so as to store the second resolution picture set into the system memory.
Optionally, in the picture presentation apparatus according to the present invention, before the picture processing module stores the second resolution picture set in the system memory of the mobile terminal, the picture processing module is adapted to: the second resolution picture set is compressed into a predetermined picture format.
According to an aspect of the present invention, there is provided a mobile terminal including: at least one processor; and a memory storing program instructions, wherein the program instructions are configured to be adapted to be executed by the at least one processor, the program instructions comprising instructions for performing a picture presentation method in a picture set as described above.
According to an aspect of the present invention, there is provided a readable storage medium storing program instructions which, when read and executed by a mobile terminal, cause the mobile terminal to perform the method as described above.
According to the technical scheme of the invention, the picture display method in the picture set is provided, through pre-acquiring and displaying the first resolution picture set with lower resolution and smaller volume, a user can browse the first resolution picture set in a short time and then acquire the second resolution picture set, after the second resolution picture set is stored in the system memory, pictures in the second resolution picture set with higher resolution can be displayed for the user, namely, the later acquired second resolution picture set is used for replacing the previously acquired first resolution picture set to display the pictures. Therefore, the method is beneficial to the user to browse the pictures in the next picture set faster when the picture set is switched, shortens the waiting time of the user when the picture set is switched, enables the user to browse pictures with higher resolution and high quality under the condition that the user can switch the picture set more smoothly, and improves the user experience.
Further, according to the technical scheme, the residual storage space of the system memory is monitored constantly, so that the system memory is ensured to have enough residual storage space to store a new picture set, and the next picture set can be displayed smoothly and stably.
In addition, according to the technical scheme of the invention, before the second resolution picture set is stored in the system memory, the second resolution picture set can be compressed into the ARGB_4444 format, so that the volume of the compressed second resolution picture is as smaller as possible, and thus the storage space is as smaller as possible on the premise of ensuring the definition of the picture.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
To the accomplishment of the foregoing and related ends, certain illustrative aspects are described herein in connection with the following description and the annexed drawings, which set forth the various ways in which the principles disclosed herein may be practiced, and all aspects and equivalents thereof are intended to fall within the scope of the claimed subject matter. The above, as well as additional objects, features, and advantages of the present disclosure will become more apparent from the following detailed description when read in conjunction with the accompanying drawings. Like reference numerals generally refer to like parts or elements throughout the present disclosure.
Fig. 1 shows a schematic diagram of a mobile communication system 100 according to one embodiment of the invention;
FIG. 2 shows a schematic diagram of a mobile terminal 200 according to one embodiment of the invention;
FIG. 3 illustrates a flow chart of a picture presentation method 300 in a picture set according to one embodiment of the invention; and
fig. 4 shows a schematic diagram of a picture presentation apparatus 400 according to an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Fig. 1 shows a schematic diagram of a mobile communication system 100 according to one embodiment of the invention. As shown in fig. 1, the mobile communication system 100 includes a plurality of mobile terminals 200 and a server 120. One or more mobile applications 254 are installed on the mobile terminal 200. The owner of mobile terminal 200 will typically register as a user of mobile application 254. The mobile application 254 may be coupled to the server 120 and communicate with the server 120 using mobile communication functions provided by the mobile terminal 200 or with other mobile applications 254 on the mobile terminal 200 via the server 120.
Mobile application 254 may be a variety of applications. For example, an application that lets one user view information published by other users; an application that lets a user view stored information on a server. The invention is not limited to the specific use of mobile application 254 and all applications that may present information to a user, allow the user to view information such as pictures, videos, etc. via mobile application 254 are within the scope of the invention.
In one embodiment, mobile application 254 is, for example, an application that lets a user view a picture set, through which the user can view multiple pictures in one picture set, and can let the user switch picture sets in order to view the last or next picture set of the current picture set. The mobile application 254, after being installed in the mobile terminal 200, is executed on the mobile terminal 200 using a processing unit provided by the mobile terminal 200 and provides an interface for interaction with a user using a touch and display screen, an audio and video playing unit, etc., provided by the mobile terminal 200, to present corresponding contents to the user.
The mobile application 254 may be installed on the mobile terminal 200 by the user after the user purchases the mobile terminal 200 or may be included in the mobile terminal 200 by default at the time of shipment of the mobile terminal 200. The present invention is not limited to a particular form of deployment of mobile application 254 onto mobile terminal 200, and all manner of deploying mobile application 254 onto mobile terminal 200 and utilizing the components provided by mobile terminal 200 to implement the claimed methods is within the scope of the present invention.
Fig. 2 shows a block diagram of a mobile terminal 200 according to one embodiment of the invention. The mobile terminal 200 may include a memory interface 202, one or more data processors, an image processor and/or central processing unit 204, and a peripheral interface 206.
The memory interface 202, the one or more processors 204, and/or the peripheral interface 206 may be discrete components or integrated in one or more integrated circuits. In the mobile terminal 200, the various elements may be coupled by one or more communication buses or signal lines. Sensors, devices, and subsystems may be coupled to peripheral interface 206 to facilitate various functions.
For example, a motion sensor 210, a light sensor 212, and a distance sensor 214 may be coupled to the peripheral interface 206 to facilitate orientation, illumination, and ranging functions. Other sensors 216 may also be coupled to the peripheral interface 206, such as a positioning system (e.g., a GPS receiver), an acceleration sensor, a temperature sensor, a biometric sensor, or other sensing device, to facilitate relevant functions.
The camera subsystem 220 and the optical sensor 222, which may be, for example, charge Coupled Device (CCD) or Complementary Metal Oxide Semiconductor (CMOS) optical sensors, may be used to facilitate implementation of camera functions such as recording photographs and video clips. Communication functions may be facilitated by one or more wireless communication subsystems 224, which may include radio frequency receivers and transmitters and/or optical (e.g., infrared) receivers and transmitters. The particular design and implementation of the wireless communication subsystem 224 may depend on the one or more communication networks supported by the mobile terminal 200. For example, the mobile terminal 200 may include a network designed to support 5G, LTE, 3G, GSM networks, GPRS networks, EDGE networks, wi-Fi or WiMax networks, and BlueBooth TM A communication subsystem 224 of the network.
The audio subsystem 226 may be coupled with a speaker 228 and a microphone 230 to facilitate voice-enabled functions, such as voice recognition, voice replication, digital recording, and telephony functions. The I/O subsystem 240 may include a touch screen controller 242 and/or one or more other input controllers 244. The touch screen controller 242 may be coupled to a touch screen 246. For example, the touch screen 246 and touch screen controller 242 can detect contact and movement or suspension therewith using any of a variety of touch sensing technologies including, but not limited to, capacitive, resistive, infrared, and surface acoustic wave technologies.
One or more other input controllers 244 may be coupled to other input/control devices 248, such as one or more buttons, rocker switches, thumbwheels, infrared ports, USB ports, and/or pointing devices such as a stylus. The one or more buttons (not shown) may include up/down buttons for controlling the volume of speaker 228 and/or microphone 230.
The memory interface 202 may be coupled to a memory 250. The memory 250 may include system memory and storage devices. The system memory is, for example, a high-speed random access memory. And the storage device is, for example, a non-volatile memory such as one or more magnetic disk storage devices, one or more optical storage devices, and/or flash memory (e.g., NAND, NOR) or the like. The memory 250 may store an operating system 252, such as Android, iOS, linux or a Windows Phone. The operating system 252 may include instructions for handling basic system services and performing hardware dependent tasks. The memory 250 may also store applications 254 (i.e., application programs, hereinafter referred to as applications). When the mobile terminal is running, the operating system 252 is loaded from the storage device of the memory 250 into the system memory and executed by the processor 204. The application 254, when executed, is also loaded into system memory from the storage device of the memory 250 and executed by the processor 204. Applications 254 run on top of the operating system and utilize interfaces provided by the operating system and underlying hardware to implement various user-desired functions such as instant messaging, web browsing, picture management, video playback, and the like. The application 254 may be provided independently of the operating system, or may be self-contained in the operating system, including various social application software such as QQ, weChat, microblog, etc., and also including various video play live games, etc., and may also include applications self-contained in a system such as an album, a calculator, a sound recording pen, etc. In addition, when an application 254 is installed in the mobile terminal 200, a driver module may also be added to the operating system.
Among the various applications 254 described above, one of the applications is a picture display device 400 according to the present invention, the picture display device 400 including a plurality of program instructions adapted to perform the picture display method 300 in the picture set of the present invention, so that the picture display method 300 in the picture set of the present invention is performed by the plurality of program instructions. In some embodiments, the mobile terminal 200 is configured to perform a picture presentation method 300 in a picture set according to the present invention.
Fig. 3 shows a schematic flow chart of a picture presentation method 300 in a picture set according to an embodiment of the invention. By the method 300, pictures in a plurality of picture sets can be switched and displayed on the screen of the mobile terminal 200. Here, each picture set includes a plurality of pictures. That is, the present invention shows all the pictures included in one picture set at a time on the screen of the mobile terminal. The display of the screen of the mobile terminal is that of the current picture set, and the current picture set or the next picture set can be switched to display the picture according to the request of the user.
As described above with reference to fig. 2, the memory 250 in the mobile terminal includes a storage device and a system memory. The system memory is also called a memory because it is a storage device having a relatively high access speed and loses contents stored thereon when the terminal is powered down. While the access speed of the storage device is low, but the storage device which has a large capacity and is nonvolatile, i.e. can still keep data from being lost after the terminal is powered down, is also called an external storage device (e.g. hard disk, etc.) of the mobile terminal. After power-up, the mobile terminal loads the contents of the operating system and the application from the storage device into the system memory, and then uses the processor to run instructions of the operating system and the application to complete the operation of the operating system and the application. In addition, the data in the application is also the data which needs to be kept for a long time or the data which needs to be cached for a long time can be stored in the storage device. While intermediate data that is needed during the running of the application (data that is no longer needed when the application is restarted) may be stored in system memory in order for the application to obtain these intermediate data at a faster rate.
According to an embodiment of the invention, each picture corresponds to at least two different resolutions, e.g. a first resolution, a second resolution, wherein the first resolution is lower than the second resolution. Here, the resolution of the picture is related to the definition of the picture, and the higher the resolution of the picture, the higher the definition, and the larger the volume of the picture. That is, in an embodiment of the present invention, each picture includes a corresponding first resolution picture and second resolution picture, the sharpness of the first resolution picture is lower than the sharpness of the second resolution picture, and the volume of the first resolution picture is also smaller than the second resolution picture.
Accordingly, each picture set also includes a corresponding first resolution picture set and second resolution picture set, respectively. The first resolution picture set comprises a plurality of first resolution pictures, and the second resolution picture set comprises a plurality of second resolution pictures corresponding to the plurality of first resolution pictures. It should be appreciated that the volume of the first resolution picture set is also much smaller than the volume of the second resolution picture set.
As shown in fig. 3, the method starts at step S310.
In step S310, a request for displaying a picture set sent by a user is received. It will be appreciated that this picture set is the next picture set relative to the current picture set presented on the mobile terminal screen. The user sends a request to show the next picture set, for example by sliding the screen of the mobile terminal or by a click operation.
Subsequently, in step S320, a first resolution picture set corresponding to the picture set is obtained from the system memory, and the pictures in the first resolution picture set are displayed, that is, the pictures displaying all the first resolutions included in the first resolution picture set are displayed.
It should be noted that, the volume of the first resolution picture set is far smaller than that of the second resolution picture set, and the occupied storage space is smaller, so that the speed of acquiring the picture set is also faster. When the pictures in the picture set are displayed, the first resolution picture set is requested to be acquired, and the pictures in the first resolution picture set are displayed, so that a user can browse the pictures in the picture set faster, and the waiting time of the user when the user requests to browse the pictures is shortened as much as possible.
It should also be noted that the present invention is not limited to a particular storage location for a first resolution picture set prior to the first resolution picture set being retrieved from system memory. For example, the first resolution picture set may be stored in a system memory of the mobile terminal, such that the first resolution picture set may be retrieved directly from the system memory and displayed. For another example, when the first resolution picture set is not stored in the system memory, the first resolution picture set may be first obtained from the storage device or the server, and the obtained first resolution picture set may be stored in the system memory, and then the first resolution picture set may be obtained from the system memory and displayed.
According to one embodiment, before a first resolution picture set of a picture set is obtained from a system memory, it is determined whether the first resolution picture set is stored in the system memory. If yes, displaying the first resolution picture set; if not, further judging whether the first resolution picture set exists in the storage equipment. If the storage device has the first resolution picture set, the first resolution picture set is stored in the system memory. And if the storage equipment does not have the first resolution picture set, requesting and acquiring the first resolution picture set from the server, and respectively storing the first resolution picture set into the storage equipment and the system memory.
It should be appreciated that when displaying pictures in a picture set, it is necessary to ensure that the picture set is stored in system memory and then read from system memory for picture display.
Further, in step S330, a second resolution picture set corresponding to the first resolution picture set is acquired, and the second resolution picture set is stored in the system memory of the mobile terminal, so that the pictures in the second resolution picture set can be read and displayed from the system memory.
It should be understood that by acquiring and displaying the first resolution picture set with lower resolution and smaller volume in advance, the invention enables the user to browse the first resolution picture set first in a short time and then acquire the second resolution picture set, and after storing the second resolution picture set in the system memory, the invention can display the pictures in the second resolution picture set with higher resolution to the user, that is, replace the previously acquired first resolution picture set with the later acquired second resolution picture set for picture display. Therefore, the method is beneficial to the user to browse the pictures in the next picture set faster when the picture set is switched, shortens the waiting time of the user when the picture set is switched, enables the user to browse pictures with higher resolution and high quality under the condition that the user can switch the picture set more smoothly, and improves the user experience.
In addition, the present invention is not limited to the source of the second resolution picture set. For example, the second resolution picture set may be stored in a storage device of the mobile terminal, and may be retrieved from the storage device and stored in the system memory. For another example, the second resolution picture set is not stored in the storage device and the system memory of the mobile terminal, in which case the second resolution picture set needs to be requested and obtained from the server, and the obtained second resolution picture set is stored in the storage device and the system memory, respectively. In addition, if the second resolution picture set is stored in the system memory, the second resolution picture set may be directly read from the system memory.
According to one embodiment, the step of obtaining a second resolution picture set corresponding to the first resolution picture set comprises: first, whether a second resolution picture set corresponding to the first resolution picture set is stored in a system memory is judged. If the system memory is available, deleting the first resolution picture set stored in the system memory, and acquiring the second resolution picture set from the system memory for display. Here, in the case where the second resolution picture set is stored in the system memory, the second resolution picture set may be directly read and displayed, that is, the second resolution picture set is displayed in place of the previous first resolution picture set. To free up memory space in the system memory, the corresponding first resolution picture set of the system memory may be deleted.
If the system memory is not available, judging whether the storage device has a corresponding second resolution picture set. And if the second resolution picture set exists in the storage device, storing the second resolution picture set in the storage device into a system memory. And if the storage equipment does not have the second resolution picture set, requesting and acquiring the second resolution picture set from the server, and respectively storing the acquired second resolution picture set into the storage equipment and the system memory of the mobile terminal.
It should be appreciated that when the second resolution picture set is stored in the local storage (system memory and storage device) of the mobile terminal, it may be directly obtained from the local storage, thereby avoiding waiting download time for requesting the server to obtain the second resolution picture set, and relieving the stress of the server.
According to one embodiment, the method 300 further comprises step S340.
In step S340, it is determined whether the remaining storage space of the system memory is lower than a threshold value, and if so, a predetermined number of picture sets stored in the system memory are deleted. For example, by setting an alarm threshold for the remaining memory space of the system memory and monitoring the remaining memory space of the system memory in real time, an alarm is triggered when the remaining memory space of the system memory is below the threshold. Here, the threshold value may be set by a person skilled in the art according to the actual situation, and the present invention is not particularly limited.
The specific stage of determining whether the remaining storage space of the system memory is lower than the threshold may be after displaying the picture in the current second resolution picture set, or may be considered before receiving the request sent by the user to display the next picture set.
Therefore, by monitoring the remaining storage space of the system memory from time to time, the system memory is ensured to have enough remaining storage space to store a new picture set, so that the next picture set can be smoothly and stably displayed, and the phenomenon that the picture display page automatically exits due to insufficient storage space when the next picture set is requested to be displayed is avoided.
In one embodiment, when an alarm is triggered, one or more of the photo sets in system memory, i.e., the previously presented photo set stored in system memory, may be deleted based on LRU (Least Recently Used ) rules. The deleted picture set may be the first resolution picture set and/or the second resolution picture set. It should be noted that the number of the deleted picture sets after the alarm is triggered is not particularly limited, and whether the deleted picture sets are the first resolution picture set or the second resolution picture set is not limited, so long as a part of storage space of the system memory can be released by deleting the picture sets, and the remaining storage space is not lower than a threshold value.
According to one embodiment, before storing the second resolution picture set in the system memory, it is further required to determine whether the remaining storage space of the system memory is smaller than the volume of the second resolution picture set, that is, whether the remaining storage space of the system memory can satisfy the storage space occupied when storing the second resolution picture set.
And if the residual storage space is smaller than the volume of the second resolution picture set, deleting part of the second resolution picture in the second resolution picture set, so as to ensure that the second resolution picture set after deleting part of the picture can be stored in the system memory, and further storing the second resolution picture set in the system memory.
If the remaining storage space is not smaller than the volume of the second resolution picture set, that is, the remaining storage space of the system memory can satisfy the storage space occupied when the second resolution picture set is stored, all the pictures in the second resolution picture set can be directly stored into the system memory.
According to one embodiment, the second resolution picture set may be compressed into a predetermined picture format before being stored in the system memory, so that the volume of the compressed second resolution picture is as small as possible, thereby occupying as small a storage space as possible while ensuring the definition of the picture.
It should be noted that, the pictures may be compressed into multiple compression formats, for example, in the Android system, the compression formats of the pictures include ALPHA_8, ARGB_4444, ARGB_8888, and RGB_565. The same picture is compressed into different compression formats, and the final picture is different in volume, so that the storage space occupied by the picture when the picture is stored in the memory is different.
Specifically, in the compressed format of the above-listed pictures, a in "ARGB" represents alpha (channel), R represents red (red), G represents green (green), and B represents blue (blue). The argb_4444 represents a 16-bit ARGB bitmap, i.e., a=4, r=4, g=4, b=4, each pixel occupies 4+4+4+4=16 bits, equivalent to 2 bytes. The argb_8888 represents a 32-bit ARGB bitmap, i.e., a=8, r=8, g=8, b=8, each pixel occupies 32 bits, equivalent to 4 bytes. Thus, the compression of a picture of the same pixel to the ARGB_4444 format is half less than the compression to the ARGB_8888 format, and the occupation space of a picture compressed to the ARGB_8888 format is twice as large as that of the ARGB_4444 format for the same picture. In addition, alpha_8 represents an 8-bit ALPHA bitmap, i.e., a=8, the picture in this format has no color, and each pixel occupies 8 bits, which is equivalent to 1 byte. RGB 565 represents a 16-bit RGB bitmap, i.e. r=5, g=6, b=5, the picture in this format has no transparency, each pixel occupies 5+6+5=16 bits, equivalent to 2 bytes.
In one embodiment, the predetermined picture format is argb_4444, that is, the second resolution picture set is compressed into the argb_4444 format, so that the storage space occupied by the finally compressed picture is reduced as much as possible on the premise of ensuring the definition of the picture.
According to one embodiment, a server stores a plurality of versions of picture sets, and the plurality of versions of picture sets can be respectively adapted to mobile terminals with different configurations and attributes. Specifically, when the first resolution picture set is not stored in the system memory or the storage device, the mobile terminal sends a request for acquiring the first resolution picture set to the server based on the device information of the mobile terminal when requesting to acquire the first resolution picture set from the server, and the server determines a version of the first resolution picture set adapted by the mobile terminal according to the device information and returns the version of the first resolution picture set to the mobile terminal.
Correspondingly, when the second resolution picture set corresponding to the first resolution picture set is not stored in the system memory and the storage device, the mobile terminal can also send a request for acquiring the second resolution picture set to the server based on the device information of the mobile terminal when requesting to acquire the corresponding second resolution picture set from the server, and the server can determine the version of the second resolution picture set adapted by the mobile terminal according to the device information and return the second resolution picture set of the version to the mobile terminal.
Here, the device information includes, for example, version information of the system, resolution information, and storage space information of the system memory. Therefore, the most suitable version of the picture set can be requested to be acquired according to the equipment information of the mobile terminal to display the picture, and the stability of the picture is further ensured when the picture is displayed.
According to one embodiment, the picture file format adopted by the picture is webP, the webP can realize effective compression of the webpage picture, and meanwhile, the compatibility of the picture format and the actual definition of the picture are not influenced, so that the loading speed of the picture is improved.
Fig. 4 shows a schematic diagram of a picture presentation apparatus 400 according to an embodiment of the invention. The picture display device 400 is adapted to perform the picture display method 300 of the present invention in a picture set. The picture presentation apparatus 400 resides in the mobile terminal 200 to cause the mobile terminal 200 to perform the picture presentation method 300 of the picture set of the present invention.
As shown in fig. 4, the picture display device 400 includes a receiving module 410, a picture processing module 420, and a management module 430.
According to one embodiment, a request sent by a user to present a picture set is received by the receiving module 410. The picture processing module 420 obtains a first resolution picture set of the picture set from the system memory and displays pictures in the first resolution picture set. The picture processing module 420 may also obtain a second resolution picture set corresponding to the first resolution picture set, store the second resolution picture set in a system memory of the mobile terminal, and display pictures in the second resolution picture set. Whether the remaining storage space of the system memory is lower than a threshold value is judged by the management module 430, and if so, a predetermined number of picture sets stored in the system memory are deleted.
According to one embodiment, before the picture processing module 420 stores the second resolution picture set in the system memory of the mobile terminal, the management module 430 determines whether the remaining storage space of the system memory is smaller than the volume of the second resolution picture set, and if so, deletes a portion of the second resolution picture in the second resolution picture set so as to store the second resolution picture set in the system memory.
According to one embodiment, the picture processing module 420 compresses the second resolution picture set into a predetermined picture format before the picture processing module 420 stores the second resolution picture set in the system memory of the mobile terminal.
It should be noted that, the receiving module 410 is specifically configured to perform the method of step S310, the picture processing module 420 is specifically configured to perform the method of steps S320 to S330, and the management module 430 is specifically configured to perform the method of step S340, and the processing logic and functions of the receiving module 410, the picture processing module 420 and the management module 430 can be referred to the relevant descriptions of steps S310 to S340, which are not repeated herein.
A7, the picture display method in the picture set of A4, wherein the picture set comprises a plurality of versions, and the step of requesting and acquiring the first resolution picture set from the server comprises the following steps: and sending a request for acquiring the first resolution picture set to a server based on the equipment information of the mobile terminal, so that the server determines the version of the first resolution picture set according to the equipment information and returns the first resolution picture set of the version.
A8, the picture display method in the picture set as described in A7, wherein: the device information includes system information, resolution information, and system memory information.
A9, a picture display method in a picture set as described in A3, wherein: the predetermined picture format is argb_4444.
B12, the picture presentation apparatus of B10 or B11, wherein, before the picture processing module stores the second resolution picture set in the system memory of the mobile terminal, the picture processing module is adapted to: the second resolution picture set is compressed into a predetermined picture format.
The various techniques described herein may be implemented in connection with hardware or software or, alternatively, with a combination of both. Thus, the methods and apparatus of the present invention, or certain aspects or portions of the methods and apparatus of the present invention, may take the form of program code (i.e., instructions) embodied in tangible media, such as removable hard drives, U-drives, floppy diskettes, CD-ROMs, or any other machine-readable storage medium, wherein, when the program is loaded into and executed by a machine, such as a computer, the machine becomes an apparatus for practicing the invention.
In the case of program code execution on programmable computers, the mobile terminal will generally include a processor, a storage medium readable by the processor (including volatile and non-volatile memory and/or storage elements), at least one input device, and at least one output device. Wherein the memory is configured to store program code; the processor is configured to execute the picture presentation method of the present invention in a picture set according to instructions in said program code stored in the memory.
By way of example, and not limitation, readable media comprise readable storage media and communication media. The readable storage medium stores information such as computer readable instructions, data structures, program modules, or other data. Communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media. Combinations of any of the above are also included within the scope of readable media.
In the description provided herein, algorithms and displays are not inherently related to any particular computer, virtual system, or other apparatus. Various general-purpose systems may also be used with examples of the invention. The required structure for a construction of such a system is apparent from the description above. In addition, the present invention is not directed to any particular programming language. It will be appreciated that the teachings of the present invention described herein may be implemented in a variety of programming languages, and the above description of specific languages is provided for disclosure of enablement and best mode of the present invention.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be construed as reflecting the intention that: i.e., the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules or units or components of the devices in the examples disclosed herein may be arranged in a device as described in this embodiment, or alternatively may be located in one or more devices different from the devices in this example. The modules in the foregoing examples may be combined into one module or may be further divided into a plurality of sub-modules.
Those skilled in the art will appreciate that the modules in the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. Any combination of all features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or units of any method or apparatus so disclosed, may be used in combination, except insofar as at least some of such features and/or processes or units are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments can be used in any combination.
Furthermore, some of the embodiments are described herein as methods or combinations of method elements that may be implemented by a processor of a computer system or by other means of performing the functions. Thus, a processor with the necessary instructions for implementing the described method or method element forms a means for implementing the method or method element. Furthermore, the elements of the apparatus embodiments described herein are examples of the following apparatus: the apparatus is for carrying out the functions performed by the elements for carrying out the objects of the invention.
As used herein, unless otherwise specified the use of the ordinal terms "first," "second," "third," etc., to describe a general object merely denote different instances of like objects, and are not intended to imply that the objects so described must have a given order, either temporally, spatially, in ranking, or in any other manner.
While the invention has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of the above description, will appreciate that other embodiments are contemplated within the scope of the invention as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The disclosure of the present invention is intended to be illustrative, but not limiting, of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A picture presentation method in a picture set, performed in a mobile terminal, the picture set comprising a first resolution picture set and a second resolution picture set, the first resolution picture set comprising a plurality of pictures of a first resolution, the second resolution picture set comprising a plurality of pictures of a second resolution corresponding to the first resolution picture, and the second resolution being higher than the first resolution, wherein the mobile terminal comprises a storage device and a system memory, the method comprising:
receiving a request for displaying a picture set, which is sent by a user;
acquiring a first resolution picture set of the picture set from a system memory, and displaying all pictures in the first resolution picture set;
judging whether a second resolution picture set corresponding to the first resolution picture set is stored in a system memory or not; if yes, deleting the first resolution picture set in the system memory, and acquiring the second resolution picture set from the system memory for display; if the second resolution picture set does not exist in the storage equipment, judging whether the second resolution picture set exists in the storage equipment, if the second resolution picture set exists in the storage equipment, storing the second resolution picture set into a system memory, and if the second resolution picture set does not exist in the storage equipment, requesting the second resolution picture set from a server, and respectively storing the acquired second resolution picture set into the storage equipment and the system memory of the mobile terminal;
Judging whether the residual storage space of the system memory is smaller than the volume of the second resolution picture set, if so, deleting part of the second resolution picture in the second resolution picture set so as to store the second resolution picture set into the system memory, and if not, directly storing the second resolution picture set into the system memory of the mobile terminal, and displaying all pictures in the second resolution picture set;
and monitoring the residual storage space of the system memory to judge whether the residual storage space of the system memory is lower than a threshold value, if so, giving an alarm, and deleting the preset number of picture sets stored in the system memory based on the LRU rule.
2. The picture presentation method in a picture set according to claim 1, wherein before storing the second resolution picture set in the system memory, further comprising the step of:
the second resolution picture set is compressed into a predetermined picture format.
3. The picture presentation method in a picture set as claimed in claims 1-2, wherein before retrieving the first resolution picture set of the picture set from the system memory, further comprising the step of:
determining if the first resolution picture set is stored in a system memory,
If yes, displaying the first resolution picture set;
if not, judging whether the first resolution picture set exists in the storage equipment,
if the first resolution picture set exists in the storage device, the first resolution picture set is stored in a system memory,
and if the first resolution picture set does not exist in the storage device, acquiring the first resolution picture set from the server, and respectively storing the first resolution picture set into the storage device and the system memory.
4. A picture presentation method in a picture set as claimed in claim 3, wherein the picture set comprises a plurality of versions, the step of requesting and retrieving the first resolution picture set from the server comprising:
and sending a request for acquiring the first resolution picture set to a server based on the equipment information of the mobile terminal, so that the server determines the version of the first resolution picture set according to the equipment information and returns the first resolution picture set of the version.
5. The picture presentation method in a picture set as claimed in claim 4, wherein:
the device information includes system information, resolution information, and system memory information.
6. The picture presentation method in a picture set as claimed in claim 2, wherein:
The predetermined picture format is argb_4444.
7. A picture display device, residing in a mobile terminal, adapted to display pictures in a picture set, the picture set comprising a first resolution picture set comprising a plurality of pictures of a first resolution and a second resolution picture set comprising a plurality of pictures of a second resolution corresponding to the first resolution picture, and the second resolution being higher than the first resolution, wherein the mobile terminal comprises a storage device and a system memory, the device comprising:
the receiving module is suitable for receiving a request for displaying the picture set, which is sent by a user;
the picture processing module is suitable for acquiring a first resolution picture set of the picture set from the system memory and displaying all pictures in the first resolution picture set; and is adapted to determine whether a second resolution picture set corresponding to the first resolution picture set is stored in a system memory; if yes, deleting the first resolution picture set in the system memory, and acquiring the second resolution picture set from the system memory for display; if the second resolution picture set does not exist in the storage equipment, judging whether the second resolution picture set exists in the storage equipment, if the second resolution picture set exists in the storage equipment, storing the second resolution picture set into a system memory, and if the second resolution picture set does not exist in the storage equipment, requesting the second resolution picture set from a server, and respectively storing the acquired second resolution picture set into the storage equipment and the system memory of the mobile terminal; judging whether the residual storage space of the system memory is smaller than the volume of the second resolution picture set, if so, deleting part of the second resolution picture in the second resolution picture set so as to store the second resolution picture set into the system memory, and if not, directly storing the second resolution picture set into the system memory of the mobile terminal and displaying all pictures in the second resolution picture set; and
And the management module is suitable for monitoring the residual storage space of the system memory to judge whether the residual storage space of the system memory is lower than a threshold value, giving an alarm if the residual storage space of the system memory is lower than the threshold value, and deleting the preset number of picture sets stored in the system memory based on the LRU rule.
8. The picture display device according to claim 7, wherein,
before a picture processing module stores the second resolution picture set in a system memory of the mobile terminal, the picture processing module is adapted to:
the second resolution picture set is compressed into a predetermined picture format.
9. A mobile terminal, comprising:
at least one processor; and
a memory storing program instructions, wherein the program instructions are configured to be adapted to be executed by the at least one processor, the program instructions comprising instructions for performing the picture presentation method in a picture set as claimed in any one of claims 1-6.
10. A readable storage medium storing program instructions which, when read and executed by a mobile terminal, cause the mobile terminal to perform the method of any of claims 1-6.
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