CN105653934A - Mobile terminal and application protection method thereof - Google Patents

Mobile terminal and application protection method thereof Download PDF

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Publication number
CN105653934A
CN105653934A CN201511008478.XA CN201511008478A CN105653934A CN 105653934 A CN105653934 A CN 105653934A CN 201511008478 A CN201511008478 A CN 201511008478A CN 105653934 A CN105653934 A CN 105653934A
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application
mobile terminal
operation system
serviced component
android operation
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CN201511008478.XA
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CN105653934B (en
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姚夏夏
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Huizhou TCL Mobile Communication Co Ltd
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Huizhou TCL Mobile Communication Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/52Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/55Detecting local intrusion or implementing counter-measures
    • G06F21/554Detecting local intrusion or implementing counter-measures involving event detection and direct action

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses a mobile terminal and an application protection method thereof. The mobile terminal is installed with an Android operation system and applications of the terminal are operated in the Android operation system. The method comprises the following steps: when the Android operation system is started and the applications are not started, setting an empty service assembly for the applications, wherein a progress identification code and prompt information are distributed for the service assembly; operating the service assembly at the background of the Android operation system; and when the service assembly is operated at the background, identifying the service assembly as a background service by a core of the Android operation system, wherein the progress type of the service assembly is SECODARY-SERVER and the oom-adj value of the service assembly is 2. Through the mobile terminal and the application protection method thereof, the empty service assembly can be set for the applications according the importance degrees of the applications, the progress types of the applications can be modified and the priority of the process can be improved, so that the applications can be prevented from being preferably finished when the system is out of memory or the quantity of the application progresses is large, and then the user experience is improved.

Description

Mobile terminal and application guard method thereof
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of mobile terminal and application guard method thereof.
Background technology
In recent years, along with the development in mobile communication technology field, the high performance mobile terminal of high configuration emerges in an endless stream, but middle and low-end market still can not be ignored. In low configuration mobile phone in, when run widely apply time, Installed System Memory takies and improves constantly, and the kernel of Android (Android) system starts low memory management mechanism, and timing performs inspections, and Kill (kills) some and applies, releasing memory.
Wherein, the machine-processed oom_adj (process priority) mainly by process of low memory management carrys out the significance level of determinating processes, and its oom_adj value is more little, and program is more important, and the probability killed is more low.
Refer to the relation table of the oom_adj of the process type of system definition and correspondence:
Wherein process type with Application Type, whether can dynamically change as seen, and the oom_adj value of correspondence also changes therewith.
In android system, low memory management mechanism can specify one group of internal memory marginal value in the user space, and when the oom_adj value of certain value therein and certain class process is when same scope, such process will be killed. Therefore, some important application in system, for instance launcher application, it is the desktop of mobile phone, is the important application module of Consumer's Experience, is responsible for tissue all application of display system. The Application Type of trigger is HOME_APP, and corresponding oom_adj is 6; When its operate in foreground to user visible and operable time, its process type is converted to FOREGROUND_APP, and now oom_adj is 0, and priority is significantly high; When its to user visible but inoperable time, its process type is VISIBLE_APP, oom_adj is 1 decrease; When its fall back on backstage to user complete invisible time, it is HOME_APP, its process type becomes 6, priority drops to lower, when the priority of trigger reduces, it is possible to be killed, and launcher application is killed the experience restarted, it is not that user wishes to, but such situation is experienced other application for a long time user and returned again to often have generation.
Prior art generally can avoid application to be killed in the following way:
1, promoting this application is system core process, will not be killed in any case, in " settings "=> " application program " the inside also can mask the operation of " force stopping ". This type of method, it is possible to allow application never be killed, but force to promote application for kernel process, continue the mode of committed memory, run counter to Android memory management mechanism, disturbed the operation of whole system.
2, adjusting oom_adj or the internal memory marginal value of a certain type process, thus controlling such application by the probability of Kill, but the method can affect other the similar application run on this cell phone system.
Therefore, there is feasibility and the defect of hommization aspect in the killed method of application that reduces of prior art.
Summary of the invention
The present invention provides a kind of mobile terminal and application guard method thereof; by arranging the serviced component of sky for application, the process type of amendment application, improves the priority of process; avoid being applied in that system inherence is not enough or application process quantity is preferentially terminated time too much, improve Consumer's Experience.
An aspect of of the present present invention provides the application guard method of a kind of mobile terminal, and this mobile terminal is provided with Android operation system, and application runs in Android operation system, and method includes:
When Android operation system starts and applies not actuated, for the serviced component that application is arranged, wherein serviced component is assigned progress recognizing code and information;
Running background serviced component in Android operation system, wherein serviced component is when running background, serviced component is identified as background service by the kernel of Android operation system, and the process type of serviced component is SECONDARY_SERVER, and its oom_adj value is 2.
Wherein, when application is activated, progress recognizing code is sent to kernel so that serviced component is identified as foreground service by kernel, and the process type of serviced component is converted to FOREGROUND_APP, and its oom_adj value is 0.
Wherein, when application is activated, application will be prompted to information and is transferred to the ccf layer of Android operation system, and method also includes:
Judge whether information is sent by application;
If it is, do not perform display reminding information on status bar.
Wherein, mobile terminal is low configuration equipment.
Wherein, application includes trigger.
Another aspect of the present invention provides a kind of mobile terminal, and mobile terminal is provided with Android operation system, and the application of mobile terminal runs in Android operation system, and mobile terminal includes:
Arranging module, for when Android operation system starts and applies not actuated, for the serviced component that application is arranged, wherein serviced component is assigned progress recognizing code and information;
Run module, it is connected with arranging module, running background serviced component for Android operation system, at serviced component when running background, serviced component is identified as background service by the kernel of Android operation system, the process type of serviced component is SECONDARY_SERVER, and its oom_adj value is 2.
Wherein, mobile terminal also includes:
Transport module, is connected with running module, for when application is activated, sending progress recognizing code to kernel so that serviced component is identified as foreground service by kernel, and the process type of serviced component is converted to FOREGROUND_APP, and its oom_adj value is 0.
Wherein, transport module is additionally operable to when application is activated, and application will be prompted to information and is transferred to the ccf layer of Android operation system, and mobile terminal also includes:
Judge module, is connected with transport module, is used for judging whether information is sent by application;
Display module, is connected with judge module, for when judged result is for being, not performing display reminding information on status bar.
Wherein, mobile terminal is low configuration equipment.
Wherein, application includes trigger.
Pass through such scheme, the invention has the beneficial effects as follows: be different from prior art, the low configuration mobile terminal of the present invention is provided with Android operation system, application runs in Android operation system, significance level according to application, the serviced component of sky is set for application, this serviced component is at the running background of Android operation system, do not perform specific function, thus realizing the process type by empty serviced component amendment application, the priority of raising process, reduce this and be applied in the probability that system inherence is not enough or application process quantity preferentially terminates time too much, and the program is easily implemented and effect is obvious, feasibility is high, improve Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings. Wherein:
Fig. 1 is the schematic flow sheet of the application guard method of the mobile terminal of one embodiment of the invention;
Fig. 2 is the apparatus structure block diagram of mobile terminal of the present invention;
Fig. 3 is the hardware architecture diagram of mobile terminal of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiment. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making performing creative labour premise, broadly fall into the scope of protection of the invention.
Refer to the schematic flow sheet applying guard method that Fig. 1, Fig. 1 are the mobile terminals of one embodiment of the invention. Wherein, mobile terminal is provided with Android operation system, and the application of mobile terminal runs in this Android operation system. As it is shown in figure 1, the application guard method of the present embodiment mobile terminal includes:
S11: when Android operation system starts and applies not actuated, for the serviced component that application is arranged.
Mobile terminal herein refers to low configuration and arranges, and application includes but not limited to as trigger. Low configuration setting is provided with Android operation system, the application such as trigger runs in Android operation system, wherein, Android operation system includes four big assemblies, respectively Activity (activity), Service (service), ContentProvider (content provider) and BroadcastReceiver (radio receiver). Wherein, Activity is used for the function of appeal, is an application component, in the middle of the program of Android, and a screen of Activity general proxy mobile phone screen, show appointment control by setContentView (View). Service is used for running background service, does not provide interface to present. BroadcastReceiver is used for receiving broadcast. ContentProvider supports storage in several applications and reads data, is equivalent to data base.
Compared with the assembly Activity of responsible display function, Service is invisible to user, is responsible for part consistency operation, is a discord mutual application component of user, it has a part of Activity ability that cannot complete, including running background and do not managed by Activity life cycle.Android system can keep the application process having Service to run as far as possible, even if this application has operated in backstage.
In the present embodiment, starting in Android operation system, but when applying not actuated, arrange an empty serviced component for this application, wherein serviced component is assigned progress recognizing code and information. This serviced component is empty program, and it does not perform specific function, only for changing the process type of application, to reduce oom_adj value. The wherein Starting mode of serviced component; depend on the host process of application and start; by calling startForeground (int; Notification) (program of Android system) method starts, using Transfer Parameters as application guard method of the progress recognizing code belonging to Service and information.
S12: in the running background serviced component of Android operation system.
Running background serviced component in Android operation system, and at serviced component when running background, serviced component is identified as background service by the kernel of Android operation system, and the process type of serviced component is SECONDARY_SERVER, and its oom_adj value is 2.
Android operation system adopts the framework of layering, includes four layers altogether, is followed successively by application layer, application framework layer, system Runtime Library layer and Linux inner core from high level to low layer. Wherein, Android issues together together with a series of core application bags, and application package includes client, SMS short message program, calendar, map, browser, contact management's program etc. Application framework refers to application programming interface (ApplicationProgrammingInterface; It is called for short API), developer can access the API framework that core application uses completely. System Runtime Library refers to some the C/C++ storehouses comprised in Android operation system, and these storehouses can be used by assemblies different in android system. They provide service by Android application framework for developer. Linux kernel controls to include safety (Security), memorizer management (MemoryManagement), program management (ProcessManagement), network stack (NetworkStack), driver model (DriverModel) etc.
S13: when application is activated, sends progress recognizing code to kernel.
When application is activated, progress recognizing code is sent the kernel to Android operation system so that serviced component is identified as foreground service by kernel, thus the process type of serviced component is converted to FOREGROUND_APP, its oom_adj value is 0.
S14: application will be prompted to information and is transferred to the ccf layer of Android operation system, it is judged that whether information is sent by application.
When application is activated, application will also prompt information and is transferred to the ccf layer of Android operation system, and judges whether this information is sent by application. If it is, enter step S15, if it is not, then enter step S16.
S15: do not perform display reminding information on status bar.
If it is judged that information is not sent by application, then do not perform display reminding information on status bar, wherein, code the setServiceForegroundLocked () method that information can be modified in ccf layer ActivityService.java eliminates.
S16: display reminding information on status bar.
If it is judged that information is sent by this application, then status bar shows this information.
Illustrate for trigger below.
When Android operation system starts but trigger is not actuated, one empty serviced component is set for trigger, is below collectively referred to as Service. Service is assigned progress recognizing code and information.
When trigger does not start, running background Service in Android operation system, namely trigger is invisible inoperable to user, but because trigger is provided with the Service of sky, Service is active in backstage, therefore the process type of trigger remains SECONDARY_SERVER, and its oom_adj value is 2.
When trigger is activated, the startup of Service depends on the host process of application and starts, and trigger starts Service by startForeground method here. When trigger is activated, progress recognizing code being sent the kernel to Android operation system, so that Service is identified as foreground service by kernel, the process type of the Service of trigger is converted to FOREGROUND_APP, and its oom_adj value is 0.
And, when trigger be activated, system identification Service be foreground service time, trigger will also prompt information (herein referring to Notification parameter) and is transferred to the ccf layer of Android operation system, thus will show the information of " launcher application remains on " on the status bar of low configuration equipment. In order to avoid Consumer's Experience is not good, the embodiment of the present invention is optional is cancelled display, specifically:
Can by judging that the method whether information is sent by trigger eliminates above-mentioned information, namely code the setServiceForegroundLocked () method being modified in the ccf layer ActivityService.java of Android operation system eliminates, if the Notification message of launcher application transmission, do not perform display reminding information on status bar. Its code is as follows:
����
If (! (" trigger bag name " .equals (r.packageName))) // as launcher application, jumped out if statement, not performing following code
R.postNotification ();
}
����
In sum, when trigger operate in foreground to user visible and operable time, system identification Service be foreground service, its process type is FOREGROUND_APP, oom_adj value is 0, and priority is the highest; When trigger to user visible but inoperable time, it is 1 that its process type is converted to VISIBLE_APP, oom_adj value, and namely the priority of trigger decreases. When its fall back on backstage to user complete invisible time, owing to trigger is provided with the Service of sky, Service is active in backstage, therefore, the process type of trigger will stay in that SECONDARY_SERVER, its oom_adj value is 2, it is still higher that priority compares other application, thus being substantially reduced the trigger probability by preferential Kill (killing), namely can avoid to a certain extent trigger because priority is relatively low when android system low memory or application process quantity are too much trigger be moved to end.
Above method can be modified the kernel of Android operation system and realize.
Being please the principle frame schematic diagram of mobile terminal of the present invention referring further to Fig. 2, Fig. 2, wherein, the application guard method of Fig. 1 embodiment is based on the basis of the mobile terminal of Fig. 2 and illustrates. As in figure 2 it is shown, mobile terminal 1 is provided with Android operation system, the application of mobile terminal 1 runs in Android operation system. In the present embodiment, mobile terminal 1 is that low configuration is arranged, and application includes but not limited to as trigger.
Mobile terminal 1 includes being sequentially connected with and arranges module 10, runs module 20, transport module 30, judge module 40 and display module 50. Wherein, arranging module 10 for when Android operation system starts and applies not actuated, for the serviced component that application is arranged, serviced component is assigned progress recognizing code and information. Run module 20 this serviced component of running background in Android operation system, and when the serviced component running background in Android operation system, serviced component is identified as background service by the kernel of Android operation system, the process type of serviced component is SECONDARY_SERVER, and its oom_adj value is 2.
When application is activated, progress recognizing code is sent the kernel to Android operation system by transport module 30 so that serviced component is identified as foreground service by kernel, thus the process type of serviced component is converted to FOREGROUND_APP, its oom_adj value is 0. Further, transport module 30 is additionally operable to when application is activated, and application will be prompted to information and is transferred to the ccf layer of Android operation system. Judge module 40 judges whether this information is sent by application, if it is, display module 50 does not perform to show this information on status bar.
Refer to the hardware architecture diagram that Fig. 3, Fig. 3 are mobile terminals of the present invention. As it is shown on figure 3, mobile terminal 1 is low configuration equipment, it is provided with Android operation system, and application runs in Android operation system, and application includes but not limited to as trigger. Wherein, mobile terminal 1 includes processor 100, memorizer 200 and communication bus 300. Wherein, processor 100 can be CPU, and memorizer 200 is specially the internal memory of mobile terminal 1 or the memory space of nonvolatile memory. Processor 100 is for performing the executable module of storage in memorizer 200, for instance computer program. Memorizer 200 is used for storing program, and this program can be performed by processor 100, and communication bus 300 is used for connecting processor 100, memorizer 200 and other elements.
In the present embodiment in memorizer 200 storage program specifically for:
When Android operation system starts and applies not actuated, for the serviced component that application is arranged, wherein serviced component is assigned progress recognizing code and information; Running background serviced component in Android operation system, wherein serviced component is when running background, serviced component is identified as background service by the kernel of Android operation system, and the process type of serviced component is SECONDARY_SERVER, and its oom_adj value is 2.
Further, program is additionally operable to: when application is activated, and sends progress recognizing code to kernel so that serviced component is identified as foreground service by kernel, and the process type of serviced component is converted to FOREGROUND_APP, and its oom_adj value is 0. And application will also prompt information and is transferred to the ccf layer of Android operation system, and judge whether information is sent by application, if it is, do not perform display reminding information on status bar.
The embodiment of the present invention can embody with the form of software product, it includes some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.
In sum, the present invention by arranging the serviced component of sky for application, this serviced component does not perform specific function, and then by the process type of the serviced component amendment application of this sky, improve the priority of process, reduce application because running to backstage, the probability preferentially terminated time too much in not enough or application process quantity in system, and the program is easily implemented and effect obvious, feasibility is high, improves Consumer's Experience.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.

Claims (10)

1. the application guard method of a mobile terminal, it is characterised in that described mobile terminal is provided with Android operation system, described application runs in described Android operation system, and described method includes:
When described Android operation system starts and described application is not actuated, for the serviced component that described application is arranged, wherein said serviced component is assigned progress recognizing code and information;
In serviced component described in the running background of described Android operation system, when wherein said serviced component platform in the rear runs, described serviced component is identified as background service by the kernel of described Android operation system, the process type of described serviced component is SECONDARY_SERVER, and its oom_adj value is 2.
2. method according to claim 1, it is characterized in that, when described application is activated, described progress recognizing code is sent to described kernel, make described kernel that described serviced component be identified as foreground service, the process type of described serviced component is converted to FOREGROUND_APP, and its oom_adj value is 0.
3. method according to claim 2, it is characterised in that when described application is activated, described information is transferred to the ccf layer of described Android operation system by described application, and described method also includes:
Judge whether described information is sent by described application;
If it is, do not perform to show described information on status bar.
4. method according to claim 1, it is characterised in that described mobile terminal is low configuration equipment.
5. method according to claim 1, it is characterised in that described application includes trigger.
6. a mobile terminal, it is characterised in that described mobile terminal is provided with Android operation system, the application of described mobile terminal runs in described Android operation system, and described mobile terminal includes:
Arranging module, for when described Android operation system starts and described application is not actuated, for the serviced component that described application is arranged, wherein said serviced component is assigned progress recognizing code and information;
Run module, it is connected with the described module that arranges, serviced component described in the running background of described Android operation system, when described serviced component platform in the rear runs, described serviced component is identified as background service by the kernel of described Android operation system, the process type of described serviced component is SECONDARY_SERVER, and its oom_adj value is 2.
7. mobile terminal according to claim 6, it is characterised in that described mobile terminal also includes:
Transport module, it is connected with described operation module, for when described application is activated, described progress recognizing code is sent to described kernel, make described kernel that described serviced component be identified as foreground service, the process type of described serviced component is converted to FOREGROUND_APP, and its oom_adj value is 0.
8. mobile terminal according to claim 7, it is characterised in that described transport module is additionally operable to when described application is activated, and described information is transferred to the ccf layer of described Android operation system by described application, and described mobile terminal also includes:
Judge module, is connected with described transport module, is used for judging whether described information is sent by described application;
Display module, is connected with described judge module, for when judged result is for being, not performing to show described information on status bar.
9. mobile terminal according to claim 6, it is characterised in that described mobile terminal is low configuration equipment.
10. mobile terminal according to claim 6, it is characterised in that described application includes trigger.
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CN107133031A (en) * 2017-03-31 2017-09-05 武汉斗鱼网络科技有限公司 Method for information display and device
CN107844342A (en) * 2017-11-21 2018-03-27 广东欧珀移动通信有限公司 Management-control method, device and the storage medium and mobile terminal of application program keep-alive
CN108153620A (en) * 2017-12-27 2018-06-12 深圳豪客互联网有限公司 A kind of course control method and device
CN111782347A (en) * 2019-04-03 2020-10-16 安克创新科技股份有限公司 Mobile phone application keep-alive method, device and system and storage medium
CN111930481A (en) * 2020-07-16 2020-11-13 重庆帮企科技集团有限公司 Android system-based process priority improving method and device
CN112685088A (en) * 2019-10-17 2021-04-20 成都鼎桥通信技术有限公司 Method, device and equipment for protecting application operation and readable storage medium
CN112988282A (en) * 2021-04-27 2021-06-18 荣耀终端有限公司 Application keep-alive method and terminal equipment

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CN107133031A (en) * 2017-03-31 2017-09-05 武汉斗鱼网络科技有限公司 Method for information display and device
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CN107844342B (en) * 2017-11-21 2021-07-09 Oppo广东移动通信有限公司 Control method and device for keeping application program alive, storage medium and mobile terminal
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CN112685088A (en) * 2019-10-17 2021-04-20 成都鼎桥通信技术有限公司 Method, device and equipment for protecting application operation and readable storage medium
CN111930481A (en) * 2020-07-16 2020-11-13 重庆帮企科技集团有限公司 Android system-based process priority improving method and device
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CN112988282A (en) * 2021-04-27 2021-06-18 荣耀终端有限公司 Application keep-alive method and terminal equipment

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