CN102830996B - A kind of fast starting method of handheld device - Google Patents
A kind of fast starting method of handheld device Download PDFInfo
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- CN102830996B CN102830996B CN201210280245.5A CN201210280245A CN102830996B CN 102830996 B CN102830996 B CN 102830996B CN 201210280245 A CN201210280245 A CN 201210280245A CN 102830996 B CN102830996 B CN 102830996B
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- apk
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Abstract
A fast starting method for handheld device, step is as follows: 1, during handheld device start, system initialization flow process and system service normally start; 2, bag management service is to APK program evolutionary optimization scan process; 3, bag management service normal scan system APK program, and preserve APK package information; 4, the nonsystematic APK program that bag management service is required according to APK filtered listings list scan part system, and preserve relative program package informatin, and the list of APK filtered listings is when user installation APK applies, when APK application is set using by system service, spanned file and lastest imformation; 5, after system boot, scan the nonsystematic APK application program except APK filtered listings, and preserve relative program package informatin, then reason other system service of Service Notification and desktop is assured, whole APK program is own have been scanned, and again sends start broadcast, waits for other system service process.Present invention saves the on time, improve starting up speed, the APK that the on time is not installed application affects.
Description
Technical field
The present invention relates to a kind of handheld device starting-up method, particularly relate to a kind of fast starting method of the handheld device based on android system.
Background technology
Based on the mobile device of android system, when system boot starts, because need to load many services and carried out various system process before display unlocks picture, starting up speed is quite slow.And when mobile device is built-in store the APK application of installing more time, the on time to be directly proportional growth along with APK application numbers.At present, most of producer cannot head it off, the solution of minority producer is had to be use false pass machine technology, when equipment shuts down, inreal powered-down, but carry out system hibernates, the object started fast during to reach start, but after the method cannot solve device looses power, when re-powering, the problem of boot-up speed of system boot.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of fast starting method of handheld device, save the on time, improve starting up speed, the APK that the on time is not installed application affects.
In order to achieve the above object, the technical solution used in the present invention is, a kind of fast starting method of handheld device, based on android system, during described start, bag management service scans APK program, APK program includes system APK program and nonsystematic APK application program, and nonsystematic APK application program is divided into system boot APK program and nonsystematic to start shooting required APK program, and its step is as follows:
During the start of step 1, handheld device, system initialization flow process and system service normally start;
Step 2, bag management service are to APK program evolutionary optimization scan process;
Step 3, bag management service normal scan system APK program, and preserve APK package information;
The nonsystematic APK program that step 4, bag management service are required according to APK filtered listings list scan part system, and preserve relative program package informatin, and the list of APK filtered listings is when user installation APK applies, when APK application is set using by system service, spanned file and lastest imformation;
Step 5, after system boot, the nonsystematic APK application program of scanning except APK filtered listings, and preserve relative program package informatin, then reason other system service of Service Notification and desktop is assured, whole APK program is own have been scanned, and again send start broadcast, wait for other system service process.
Further, described nonsystematic APK class of procedures is the required application program of system boot and nonessential application program, and system boot application program must be stored in APK filtered listings when this program is mounted.
Further, when described APK filtered listings is installed by APK program, bag management service judges whether to need to be set to the required program of starting up, then add inventory in this way, and user adjusts this filtered listings according to service condition.
Further, APK program described in step 2 is the required application program of system boot, during handheld device start, system bag management service application program must carry out normal scan and load information, to nonessential application program delaying sweep and load information to system boot.
Further, the delaying sweep of the APK application program that described nonsystematic is started shooting required and load information comprise: after system boot, again reissue start broadcast, and needing can at the rear automatic Starting of start broadcast according to the APK program of broadcast startup of starting shooting.
Further, the other system service described in step 5 comprises but not only comprises plug-in services, wallpaper service, input method service etc.
Further, the information of the APK routine package described in step 3 comprises APK program name and classification.
Further, described handheld device is mobile phone, MP3, MP4 or electronic reader.
Compared with prior art, the invention has the beneficial effects as follows: by APK application package being carried out be categorized as the required application program of system boot and nonessential application program, during handheld device start, system bag management service application program must carry out prestrain to system boot, to nonessential application program delay loading or forbid load, the delay loading of the nonessential application program of APK program arranges start broadcast, automatic Starting after start broadcast, optimize the on time, each APK can save the time of 1-5 second, the APK of user installation is more, the on time saved is more, optimal state for reach with under/data/app without factory state during APK.
Accompanying drawing explanation
Fig. 1 is specific embodiments of the invention starting up method flow diagram;
Fig. 2 is starting up's method flow diagram of prior art;
Fig. 3 is the system bag management service starting up process flow diagram of prior art;
Fig. 4 is APK program starting up process flow diagram of the present invention.
Embodiment
Be described in detail, to be interpretated more in-depth technical characteristic of the present invention and advantage with reference to accompanying drawing below in conjunction with embodiment.
A kind of fast starting method of handheld device, based on android system, during described start, bag management service scans APK program, APK program includes system APK program and nonsystematic APK application program, nonsystematic APK application program is divided into system boot APK program and nonsystematic to start shooting required APK program, and its step is as follows:
During the start of step 1, handheld device, system initialization flow process and system service normally start;
Step 2, bag management service are to APK program evolutionary optimization scan process, and the starting procedure after bag management service normally performs;
Step 3, bag management service normal scan system APK program, and preserve APK package information;
The nonsystematic APK program that step 4, bag management service are required according to APK filtered listings list scan part system, and preserve relative program package informatin, and the list of APK filtered listings is when user installation APK applies, when APK application is set using by system service, spanned file and lastest imformation;
Step 5, after system boot, the nonsystematic APK application program of scanning except APK filtered listings, and preserve relative program package informatin, then reason other system service of Service Notification and desktop is assured, whole APK program is own have been scanned, and again send start broadcast, wait for other system service process.
Further, described nonsystematic APK class of procedures is the required application program of system boot and nonessential application program, and system boot application program must be stored in APK filtered listings when this program is mounted.Such as, when program desktop plug-ins is set up, when the wallpaper of program is set up, when the input method of program is set up, be stored in APK filtered listings.
Further, when described APK filtered listings is installed by APK program, bag management service judges whether to need to be set to the required program of starting up, then add inventory in this way, and user adjusts this filtered listings according to service condition.Such as plug-in services, wallpaper service and input method service also can according to plug-in units, and wallpaper and input method facilities adjust this inventory.
Further, APK program described in step 2 is the required application program of system boot, during handheld device start, system bag management service application program must carry out normal scan and load information, to nonessential application program delaying sweep and load information to system boot.
Further, the delaying sweep of the APK application program that described nonsystematic is started shooting required and load information comprise: after system boot, again reissue start broadcast, and needing can at the rear automatic Starting of start broadcast according to the APK program of broadcast startup of starting shooting.
Further, the other system service described in step 5 comprises but not only comprises plug-in services, wallpaper service, input method service etc.
Further, the information of the APK routine package described in step 3 comprises APK program name and classification.
Further, described handheld device is mobile phone, MP3, MP4 or electronic reader.
As shown in Figure 2, boot program step is as follows for starting up's method flow diagram of prior art:
Step S101, System guides loading procedure bootloader
1) source code: bootable/bootloader/*
2) illustrate: after powering up, CPU will first perform bootloader program
Start presses Power, normal start up system, loads boot.img, boot.img and comprises kernel, basic file system, for normally starting mobile phone (the normal situation about starting of following only analysis).
Step S102, kernel kernel
1) source code: kernel/*;
2) illustrate: kernel is loaded by bootloader.
Step S103, file system and application init
1) source code: system/core/init/*;
2) configuration file: system/rootdir/init.rc;
3) illustrate: init is a user level process started by kernel, it is according to arranging execution in init.rc: (service here refers to linux underlying services to start service, as adbd provides adb to support, vold provides SD card carry etc.), fill order and the configuration statement pressed wherein perform corresponding function.
Step S104, important background program process incubator zygote
1) source code: frameworks/base/cmds/app_main.cpp etc.;
2) illustrate: zygote is one in init.rc, is designated the service started, and the order of this service correspondence is /system/bin/app_process;
A) set up JavaRuntime, set up virtual machine;
B) request that Socket receives ActivityManangerService is set up, for Fork application program;
C) SystemServer is started.
Step S105, system service systemserver
1) source code:
frameworks/base/services/java/com/android/server/SystemServer.java;
2) illustrate: started by zygote, managed the service (service here refers to the service under frameworks/base/services, as satnav service, shear plate service etc.) of android by SystemManager.
Step S106, desktop launcher
1) source code:
ActivityManagerService.java is entrance, and packages/apps/launcher* realizes;
2) illustrate: system starts SystemServer successfully and uses xxx.systemReady () to notify that each is served, system is ready, set up in the process that desktop programs Home notifies at ActivityManagerService.systemReady (), finally call () and open launcher.
Step S107, unblock
1) source code: frameworks/policies/base/phone/com/android/internal/poli cy/impl/*lock*;
2) illustrate: system starts SystemServer successfully and calls wm.systemReady () notice WindowManagerService, and then call PhoneWindowManager, unlock interface is shown eventually through LockPatternKeyguardView, follow the tracks of code and can see that unlock interface is not an Activity, this just draws in certain layer, and its code leaves special position in.
The third party application of step S108, start self-starting
1) source code: frameworks/base/services/java/com/android/server/am/Acti vityManagerService.java;
2) illustrate: system start successfully after SystemServer call ActivityManagerNative.getDefault () .systemReady () notify ActivityManager start successfully, ActivityManager can by putting variable mBooting, notify its another thread, this thread can send broadcast android.intent.action.BOOT_COMPLETED to inform that registered third party's program starts automatically when starting shooting.
The system bag management service starting up process flow diagram of prior art as shown in Figure 3, the system service of step 105 comprises the AMS (abbreviation of English applicationmanagementsystem, application management is served), the abbreviation of the English windowsmanagementsystem of WMS(, window management is served), the abbreviation of the English Packagemanagementsystem of PMS(, bag management service) etc. service.Wherein, PMS service processing can be subdivided into 1051-1052 two steps below:
Step 1051 ,/system/app(/ system/program) directory application scanning;
Step 1052 ,/data/app(/ data/program) directory application scans;
The service processing such as desktop, plug-in unit, wallpaper are notified after scanning 1051-1052, and step 1052 operation is wherein that system boot starts operation the most consuming time, and this operation can make the system boot time to be directly proportional growth along with the growth of APK number of applications.
As shown in Figure 1, compared with Fig. 2, Fig. 1 improves starting up's method flow diagram of the present invention in step 1502.
Because when Android system starts, 1502 these steps, system /system/app, the APK application of storage system and the APK application of embedded in mobile phone and installation below/data/app, system bag management service is not here these application of deactivation, but the information of scan A PK bag, be loaded in the internal memory of bag management service, supply the inquiry of system afterwards, call use.
Application under this catalogue of/data/app is not much that system is required, there is major part reality can not use when system is just got up, so go process after the scanning of this part has been put into system boot, after system boot, the APK information of delayed sweep scanning again, then notifies each process such as service and desktop.Operation after user just can use these APK by bag management service, and these APK programs have some can receive start broadcast, and oneself is initiating self, and major part still can not start.
And this flow process is based on Android system itself, be distinguishing with other system, emphasis point is delay loading, saves the on time, instead of restriction starting up.
Step 1052 after improvement is as shown in Figure 1: be optimized process to PMS, the APK program that a loading section is required in PMS, and other APK program delays load; And the application inventory arranged under delay loading/data/app catalogue, according to inventory delay loading, after APK delay loading completes, system sends startup advertisement on the one hand, APK self-starting, the service processing such as another aspect notifications plug-in unit, wallpaper, finally notify to illustrate, redraw desktop.
APK program starting up process flow diagram as shown in Figure 4, during system boot, judge that APK program is the need of special processing, the special applications such as some desktops, screen locking, wallpaper and input method need prestrain then to start together with system program, other then list APK filtered listings in, delay loading.
The present invention optimizes the time, the time about each APK can save 1-5 second, and before and after application the present invention, the APK of user installation is more, and the present invention's savable on time is more.Optimal state be reach with under/data/app without factory state during APK.Such as, install 100 APK, the original on time is 30 seconds, and after installing, the on time probably can more than 2-3 minute, determines according to CPU speed, after application invention, and basic or 30-40 second, most perfect condition or 30 seconds.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For those skilled in the art of the invention, without departing from the inventive concept of the premise, make simple change or optimize, all should be considered as protection scope of the present invention.
Claims (6)
1. the fast starting method of a handheld device, based on android system, it is characterized in that: during described start, bag management service scans APK program, APK program includes system APK program and nonsystematic APK application program, nonsystematic APK application program is divided into system boot APK program and nonsystematic to start shooting required APK program, and step is as follows
During the start of step 1, handheld device, system initialization flow process and system service normally start;
Step 2, bag management service are to APK program evolutionary optimization scan process;
Step 3, bag management service normal scan system APK program, and preserve APK package information;
The nonsystematic APK program that step 4, bag management service are required according to APK filtered listings list scan part system, and preserve relative program package informatin, and the list of APK filtered listings is when user installation APK applies, when APK application is set using by system service, spanned file and lastest imformation;
Step 5, after system boot, the nonsystematic APK application program of scanning except APK filtered listings, and preserve relative program package informatin, then reason other system service of Service Notification and desktop is assured, whole APK program is own have been scanned, and again send start broadcast, wait for other system service process;
Described nonsystematic APK application program is divided into system boot APK program and nonsystematic to start shooting required APK program, and system boot application program must be stored in APK filtered listings when this program is mounted;
When described APK filtered listings is installed by APK program, bag management service judges whether to need to be set to the required program of starting up, then add inventory in this way, and user adjusts this filtered listings according to service condition.
2. the fast starting method of handheld device according to claim 1, it is characterized in that: the APK program described in step 2 is the required APK program of system boot, during handheld device start, system bag management service application program must carry out normal scan and load information to system boot, to the required APK program delay scanner uni load information of nonsystematic start.
3. the fast starting method of handheld device according to claim 2, is characterized in that: described nonsystematic start must the delaying sweep of APK program and load information comprise:
After system boot, again reissue start broadcast, needing can at the rear automatic Starting of start broadcast according to the APK program of broadcast startup of starting shooting.
4. the fast starting method of handheld device according to claim 3, is characterized in that: other system service described in step 5 comprises but not only comprises plug-in services, wallpaper service, input method service.
5. the fast starting method of handheld device according to claim 4, is characterized in that: the information of the APK routine package described in step 3 comprises APK program name and classification.
6. the fast starting method of the handheld device according to any one of claim 1-5, is characterized in that: described handheld device is mobile phone, MP3, MP4 or electronic reader.
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