CN106445617A - Android-based application program cold-start optimization method and Android-based application program cold-start optimization system - Google Patents
Android-based application program cold-start optimization method and Android-based application program cold-start optimization system Download PDFInfo
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- CN106445617A CN106445617A CN201610896161.2A CN201610896161A CN106445617A CN 106445617 A CN106445617 A CN 106445617A CN 201610896161 A CN201610896161 A CN 201610896161A CN 106445617 A CN106445617 A CN 106445617A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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Abstract
The invention discloses an Android-based application program cold-start optimization method and an Android-based application program cold-start optimization system. The method includes starting an application program, starting a thread pool task, initializing all data in the application program starting process through paralleling of multiple sub-threads, and sending the initialized data to a register interface of the application program; analyzing the received initialized data by the register interface, and refreshing the register interface timely. By the Android-based application program cold-start optimization method and the Android-based application program cold-start optimization system, cold start speed of the application program can be increased, so that response speed of the application program is increased, and users' experience is improved.
Description
Technical field
The present invention relates in Android application program start-up technique, more particularly, to a kind of application journey based on Android
Sequence cold start-up optimization method and system.
Background technology
A total of 2 kinds of application program launching mode in Android, one kind is cold start-up, and one kind is thermal starting.Generally should
Time with the cold start-up of program can be longer than the time of the thermal starting of application program.Starting time is oversize can shadow to a great extent
Ring Consumer's Experience.Such as starting time is oversize, then start to and time at interface and can compare long, during this, interior display will
It is white screen state.The waiting time that starting time also results in very much user's entrance application program long can be elongated, greatly reduces use
The experience at family.
Content of the invention
The goal of the invention of the present invention, the method being to provide application program cold start-up in a set of acceleration Android, Neng Goujia
The cold start speed of fast application program, thus greatly promote the experience of user.
The present invention is to reach above-mentioned purpose, be employed technical scheme comprise that：
A kind of application program cold start-up optimization method based on Android is provided, comprises the following steps：
Start application program；
Open thread pool task, all data in application program start-up course are carried out just by a plurality of sub- thread parallel
Beginningization, and by initialization after data is activation to application program register interface；
Register interface carries out parsing timely refresh registration interface to the initialization data receiving.
In method of the present invention, after opening thread pool task, replaced not initial by predefined default data
The data changed, with quick display register interface.
In method of the present invention, described thread pool is fixed length thread pool, arranges sub-line journey in this fixed length thread pool
Maximum number of concurrent, the sub-line journey exceeding waits in queue.
In method of the present invention, if the data initialization in a certain sub-line journey completes, by the data having initialized
It is encapsulated in inside broadcast, then retransmit away.
In method of the present invention, the encapsulation process of data is：The data having initialized is passed through in android system
Data storage facility stored, different pieces of information calls different storage functions to be stored.
In method of the present invention, data storage facility is Bundle, and the encapsulation process of data is specially：
If int data, then call the putInt function in Bundle by int data Cun Chudao Bundle；
If string data, then (this function major function is storage word to call the putString function in Bundle
Symbol string data) by String data Cun Chudao Bundle.
If long data, then call the putLong function in Bundle by long data Cun Chudao Bundle；
If float data, then call putFloat function in Bundle by float data Cun Chudao Bundle
In.
In method of the present invention, register interface passes through listening broadcast receiving data, and the data receiving is solved
Analysis, calls different functions to obtain corresponding data according to data type.
In method of the present invention, the method also includes step：
After the completion of register interface refresh all, then close thread pool, the resource in quick release thread pool.
The present invention also provides a kind of application program cold start-up based on Android to optimize system it is characterised in that including：
Starting module, for starting application program；
Thread pool module, for opening thread pool task, by a plurality of sub- thread parallel in application program start-up course
All data initialized, and by initialization after data is activation to application program register interface；
Register interface module, for carrying out parsing refresh registration interface to the initialization data receiving.
Of the present invention based in the application program cold start-up optimization system of Android, described register interface module is also
For, after thread pool task is opened, the good data of no initializtion being replaced by predefined default data, with quick display note
Volume interface.
The beneficial effect comprise that：The present invention adopts in the Cold Start of arbitrary application program of Android
The mode taking thread pool carrys out asynchronously initializing data, after waiting data initialization to complete, the more all data having initialized is led to
Cross broadcast and issue interface, thus refreshing interface.The present invention can accelerate the cold start speed of application program, thus improve should
With program response speed and lift user experience.
Further, when the data in register interface does not also initialize completely and completes, carried out using default data
Substitute, preferentially can quickly show register interface.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the flow chart based on the application program cold start-up optimization method of Android for the embodiment of the present invention；
Fig. 2 is the flow chart based on the application program cold start-up optimization method of Android for the another embodiment of the present invention；
Fig. 3 is the flow chart of data encapsulation of the present invention；
Fig. 4 is the flow chart based on the application program cold start-up optimization method of Android for the third embodiment of the invention；
Fig. 5 is that the application program cold start-up based on Android for the embodiment of the present invention optimizes system construction drawing.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
Related terms are explained as follows：
Cold start-up：When starting application, the process of backstage not this application, at this moment system can re-create new entering
Journey distributes to this application, and this Starting mode is exactly cold start-up.
Thermal starting：When starting application, the process (example of backstage this application：Press back key, home key, although application
Can exit, but the process of this application is still to be retained in backstage, task list can be entered and check), so in existing process
In the case of, this startup can start application from existing process, and this mode is thermal starting.
The application program cold start-up of the present invention is different from the cold start-up of system, and the present invention is only for some application program
Cold start-up, and the startup of system is then related to the startup of multiple application programs.In addition the application program cold start-up of the present invention is
The multithreading opened carrys out accelerating application and starts, and the cold start-up of system is to open multi-process and forbid that some programs start
The purpose to reach quick startup for the mode.The present invention is primarily to improve the cold start speed of application program, low cold cranking
When user waiting time, thus lifting Consumer's Experience.
The most time-consuming in Android application program Cold Start is the initialization to some entry conditions, and these are initial
The displaying at interface just can be carried out after the completion of change.In order to accelerate the toggle speed of application program, this invention takes thread pool
Mode carry out asynchronously initializing data.Open multiple sub-line journeys by thread pool to program during application program shows
Carry out initialization operation.
In first embodiment of the invention, as shown in figure 1, being included based on the application program cold start-up optimization method of Android
Following steps：
S101, startup application program；
S103, unlatching thread pool task, by a plurality of sub- thread parallel to all data in application program start-up course
Initialized；
S105, by initialization after data is activation to application program register interface；
S107, register interface carry out parsing timely refresh registration interface to the initialization data receiving.
In step S101, corresponding application programs can be found by the desktop of Android, click on this application icon, then
Application program is started.
To process the initialization of all data due to opening multiple sub-line journeys, and the displaying at interface be in main thread,
The displaying flow process at so interface is just shown without waiting for after the completion of all data initializations again, can preferentially show interface.
Preferential displaying interface can allow interface faster display, and now the partial data on interface may also not have this when
Initialization completes completely, at this moment can be substituted using default data.In another embodiment of the present invention, as shown in Fig. 2
Comprised the following steps based on the application program cold start-up optimization method of Android：
S101, startup application program；
S103, unlatching thread pool task, by a plurality of sub- thread parallel to all data in application program start-up course
Initialized；
S104, determine whether that the initialization of sub-line journey completes, if so, then proceed to execution step S105；If it is not, then turning
Enter execution step S108；
S105, by initialization after data is activation to application program register interface；
S107, register interface carry out parsing timely refresh registration interface to the initialization data receiving.
S108, after opening thread pool task, the good data of no initializtion is replaced by predefined default data, with fast
Speed display register interface.
Thread pool can have multiple, and in android system, common several modes are as follows：
1、newCachedThreadPool：Create one can caching thread pond, if thread pond length exceed process need
Will, flexibly can reclaim idle thread, if no recyclable, newly-built thread.
2、newFixedThreadPool：Create a fixed length thread pool, controllable thread maximum number of concurrent, the line exceeding
Journey can wait in queue.
3、newScheduledThreadPool：Create a fixed length thread pool, support timing and periodic task execution.
4、newSingleThreadExecutor：Create the thread pool of a single-threaded, it only can be worked with unique
Thread come to execute task it is ensured that all tasks according to specified order (FIFO, LIFO, priority) execute.
In order to improve the utilization rate of thread and less affect overhead, in the preferred embodiments of the present invention, select to create
Thread manager newFixedThreadPool of fixed length thread pool function, it is maximum concurrent that this fixed length thread pool can control thread
Number, the thread exceeding waits in queue.Thread maximum number of tasks can be set and be 3.So simultaneously maximum can open 3 lines
Journey carries out initialization operation to all data.If there are 5 initialization tasks simultaneously, wherein 3 first carry out, and remaining is in queue
Middle wait.In this is 3, any one first processes and completes, then process the 4th, by that analogy.Can be by this fixed length thread pool
Will not increase, while lifting starting efficiency, the overhead that system is caused.
In above-described embodiment, if the data initialization in a certain sub-line journey completes, the data having initialized is encapsulated in
Inside broadcast, then retransmit away.Register interface can receive corresponding broadcast, and will need from broadcast
Data extracted and parsed, at once register interface is refreshed after getting data.As long as one of sub-line
Journey initialization completes it is possible to refresh interface in time.
Further, send except being encapsulated in the data having initialized inside broadcast, can also pass through
The data is activation having initialized is gone out by Handler, interface etc..
The encapsulation process of data is：The data having initialized is carried out by the data storage facility in android system
Storage, different pieces of information calls different storage functions to be stored.As shown in figure 3, the encapsulation process of data is specific as follows：
The data having initialized is deposited by Bundle (this is the instrument of data storage in android system)
Storage, different pieces of information calls different methods to be stored.
1. if int (shape data) then calls putInt function in Bundle, (this function major function is storage
Shape data) by int data Cun Chudao Bundle.
2. if our the putString functions that call in Bundle of string (string data) (this function is main
Function is storage string data) by String data Cun Chudao Bundle.
3. if long (long shape data) then calls putLong function in Bundle, (this function major function is
Store long shape data) by long data Cun Chudao Bundle.
4. if float (real-coded GA) then calls putFloat function (this function major function in Bundle
It is to deposit real-coded GA) by float data Cun Chudao Bundle.
It should be understood that the data having initialized can also be carried out by storage tools other in android system
Storage, such as SharedPreferences, sqlite, file etc..
In the embodiment of the present invention, data transmission procedure is as follows：
Store data in first in broadcast, storing process is by calling in Intent (sending an instrument of broadcast)
PutBundle function (storage Bundle data) is by above-mentioned Bundle data storage in Intent.After storage completes data, lead to
Cross sendBroadcast function (transmission broadcast capability) data is activation carrying Bundle is gone out.So recipient is with regard to energy
Enough receive this data.
Preferably, register interface passes through listening broadcast receiving data, and the data receiving is parsed, according to data class
Type calls different functions to obtain corresponding data.
Wherein：
A) registration listening broadcast data
The monitoring of broadcast is broadly divided into 2 kinds, monitors static broadcast and monitors dynamic broadcast.Static broadcast：Static broadcast is
Broadcast is had to come just can be received as long as no matter whether application program starts.Dynamic broadcast：It is logical after only application starts
Cross this broadcast of code dynamic registration, this radio receiver can accept this only when application program is running status
Broadcast.The preferred embodiment of the present invention carrys out receiving data using the mode of registration static broadcast.So whatsoever in the case of can
Enough receive the data sending.
B) parse broadcast data
The parsing main purpose of broadcast is the data message included in parsing broadcast, during broadcast transmission deposits data
It is placed in Bundle, the storage of resolving data is out-of-date to be contrary, is embodied as follows：
First passing through broadcast calls getBundle to get Bundle object.Just can be right after getting Bundle object
Data in Bundle is parsed：
If int (shape data) then call getInt function in Bundle (this function major function be obtain whole
Graphic data) obtain Bundle in int data.
If String (string data) then calls getString function (this function major function in Bundle
Be obtain string data) obtain Bundle in String data.
If long (long shape data) the getLong function that then calls in Bundle (this function major function is to obtain
Take long shape data) obtain Bundle in Long data.
If float (real-coded GA) then calls getFloat function in Bundle, and (this function major function is
Obtain floating data) obtain Bundle in Float data.
Just all data in Bundle all can be parsed by above-mentioned parsing.
C) refresh interface
Can be to go using the data getting to update interface program after the completion of data all parses.This when interface
On will display the complete effect finally having loaded data.
After the completion of the refresh all of interface, the resource in thread pool can be allowed quickly to be discharged by closing thread pool.
More resources so can be reserved used to other programs.As shown in figure 4, can on the basis of above-described embodiment
Increase step：
S109, after the completion of register interface refresh all, close thread pool, the resource in quick release thread pool.
The application program cold start-up based on Android for the embodiment of the present invention optimizes system, is mainly used in realizing above-mentioned enforcement
The method of example, as shown in figure 5, this system includes starting module, thread pool module, data transmission blocks and register interface module.
Wherein：
Starting module, for starting application program；
Thread pool module, for opening thread pool task, by a plurality of sub- thread parallel in application program start-up course
All data initialized；
Data transmission blocks, for by initialization after data is activation to application program register interface；
Register interface module, for carrying out parsing refresh registration interface to the initialization data receiving.
Preferably, thread pool selects fixed length thread pool, and this fixed length thread pool can control thread maximum number of concurrent, the line exceeding
Journey waits in queue.
Preferably, register interface module is additionally operable to, after thread pool task is opened, replace by predefined default data
The good data of no initializtion, with quick display register interface.
If the data initialization in a certain sub-line journey completes, the data having initialized is encapsulated in inside broadcast, then
Retransmit away.
The encapsulation process of data is：The data having initialized is carried out by the data storage facility in android system
Storage, different pieces of information calls different storage functions to be stored.
Data storage facility can be selected for the Bundle in android system, and the encapsulation process of data is specially：
If int data, then call the putInt function in Bundle by int data Cun Chudao Bundle.
If string data, then call putString function in Bundle by String data Cun Chudao
In Bundle.
If long data, then call the putLong function in Bundle by long data Cun Chudao Bundle；
If float data, then call putFloat function in Bundle by float data Cun Chudao Bundle
In.
Register interface module especially by listening broadcast receiving data, and can parse to the data receiving, according to number
Different functions are called to obtain corresponding data according to type.
In another embodiment of the present invention, thread pool module is additionally operable to after the completion of register interface refresh all, then close
Thread pool, the resource in quick release thread pool.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a kind of application program cold start-up optimization method based on Android is it is characterised in that comprise the following steps：
Start application program；
Open thread pool task, by a plurality of sub- thread parallel, all data in application program start-up course are carried out initially
Change, and by initialization after data is activation to application program register interface；
Register interface carries out parsing timely refresh registration interface to the initialization data receiving.
2. method according to claim 1 is it is characterised in that the method also includes step：After opening thread pool task,
The good data of no initializtion is replaced by predefined default data, with quick display register interface.
3. method according to claim 1 is it is characterised in that described thread pool is fixed length thread pool, in this fixed length thread
Setting sub-line journey maximum number of concurrent in pond, the sub-line journey exceeding waits in queue.
If 4. method according to claim 1 is it is characterised in that the data initialization in a certain sub-line journey completes, will
The data having initialized is encapsulated in inside broadcast, then retransmits away.
5. method according to claim 4 is it is characterised in that the encapsulation process of data is：The data having initialized is led to
The data storage facility crossed in android system is stored, and different pieces of information calls different storage functions to be stored.
6. method according to claim 5 it is characterised in that data storage facility be Bundle, the encapsulation process of data
It is specially：
If int data, then call the putInt function in Bundle by int data Cun Chudao Bundle；
If string data, then call the putString function in Bundle by String data Cun Chudao Bundle；
If long data, then call the putLong function in Bundle by long data Cun Chudao Bundle；
If float data, then call the putFloat function in Bundle by float data Cun Chudao Bundle.
7. method according to claim 1, it is characterised in that register interface passes through listening broadcast receiving data, and is docked
The data received is parsed, and calls different functions to obtain corresponding data according to data type.
8. the method according to any one of claim 1-7 is it is characterised in that the method also includes step：
After the completion of register interface refresh all, close thread pool, the resource in quick release thread pool.
9. a kind of application program cold start-up based on Android optimizes system it is characterised in that including：
Starting module, for starting application program；
Thread pool module, for opening thread pool task, by a plurality of sub- thread parallel to the institute in application program start-up course
Data is had to be initialized；
Data transmission blocks, for by initialization after data is activation to application program register interface；
Register interface module, for carrying out parsing refresh registration interface to the initialization data receiving.
10. application program cold start-up based on Android according to claim 9 optimizes system it is characterised in that described
Register interface module is additionally operable to, after thread pool task is opened, replace the good number of no initializtion by predefined default data
According to quick display register interface.
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| CN111427630A (en) * | 2020-03-31 | 2020-07-17 | 北京金堤科技有限公司 | Cold start optimization method and device, electronic equipment and storage medium |
| CN111427630B (en) * | 2020-03-31 | 2024-03-22 | 北京金堤科技有限公司 | Cold start optimization method and device, electronic equipment and storage medium |
| CN111767123A (en) * | 2020-05-07 | 2020-10-13 | 北京奇艺世纪科技有限公司 | Operation optimization method and device |
| CN111767123B (en) * | 2020-05-07 | 2023-09-01 | 北京奇艺世纪科技有限公司 | Operation optimization method and device |
| CN113722011A (en) * | 2021-09-01 | 2021-11-30 | 广州市百果园网络科技有限公司 | Application interface starting method, device, equipment and storage medium |
| CN113722011B (en) * | 2021-09-01 | 2024-05-17 | 广州市百果园网络科技有限公司 | Application interface starting method, device, equipment and storage medium |
| CN113835782A (en) * | 2021-09-23 | 2021-12-24 | 掌阅科技股份有限公司 | Application starting method, electronic equipment and storage medium |
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