CN107484022A - The method that system overall situation screen protection is realized in Android intelligent television - Google Patents
The method that system overall situation screen protection is realized in Android intelligent television Download PDFInfo
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- CN107484022A CN107484022A CN201710667726.4A CN201710667726A CN107484022A CN 107484022 A CN107484022 A CN 107484022A CN 201710667726 A CN201710667726 A CN 201710667726A CN 107484022 A CN107484022 A CN 107484022A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06F9/4401—Bootstrapping
- G06F9/4418—Suspend and resume; Hibernate and awake
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Controls And Circuits For Display Device (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of method that system overall situation screen protection is realized in Android intelligent television, including：It is the modification for Android Wakelock mechanism first, increases the startup of global screen protection and the function of disappearance under wakelock mechanism；Secondly, screen protection chronograph mechanism is increased；Again, after screen protection appearance, the mechanism of setting screen protection disappearance.The present invention solves the problems, such as TV screen protection and the fusion of application scenarios, and the appearing and subsiding flow of screen protection is determined by application scenarios and system mode synthesis.Realizing under TV applications scene can reasonably appearing and subsiding screen protection, there is provided more preferable Consumer's Experience, also provides technical foundation for screen protection operation.
Description
Technical field
The present invention relates to a kind of implementation method of intelligent television screen protection, and in particular to real in a kind of Android intelligent television
The method of existing system overall situation screen protection, belongs to ntelligent television technolog field.
Background technology
The screen saver programs of current Android intelligent television, which are only supported under indivedual scenes, to be realized, such as TV no signal condition,
And the startup and disappearance of screen protection are to judge that TV signal source interface or system screen protection instruct by the way that android system is single, so
Screen protection is triggered without the button operation time by screen saver programs counting user afterwards.Current screen protection technology can not be with practical application field
Scape associates, and can not allow and apply the state for actively setting screen protection to determine the startup of screen protection and disappearance, cannot also realize and work as with system
The fusion of preceding audio frequency and video state, the comprehensive trigger mechanism for realizing screen protection.Screen saver programs application scenarios are so resulted in very big
Limitation.The Effective Operation of screen protection can not be realized, cannot also provide the user with more preferable Consumer's Experience.
The content of the invention
The defects of it is an object of the invention to overcome prior art, there is provided it is a kind of can be in all applied fields of intelligent television
Scape can realize the method for screensaver functions.
In order to illustrate technical scheme, it is necessary to be Jie to the wakelock mechanism of android system
Continue.
Wakelock is a kind of mechanism of lock, it can be understood as long as someone holds this lock, system cannot propagate into not
Sleep, lock can be obtained by User space program and kernel.This lock can be had time-out or be not timed-out, overtime lock
Meeting automatic unlocking after past time.If do not locked or time-out, kernel will start the mechanism of dormancy to enter
Dormancy.PowerManage provides the related interfaces of wakelock to operate wakelock locks, such as newWakeLock () sides
Method creates wakelock locks, and acquire () and release () method are applied and discharge lock.This is held as long as having and applying
Lock, system cannot enter resting state, and on upper strata, it is next can to hold multiple different wakelock locks for different application programs
The current desired system mode of notice system.
For the function definition of global screen protection and demand, pass through Android wakelock mechanism and system current state
Fusion customization, takes following technical scheme to realize the function of global screen protection in system Android intelligent television.
What the present invention was specifically realized in：
A kind of method that system overall situation screen protection is realized in Android intelligent television, including：
It is the modification for Android Wakelock mechanism first, increases opening for global screen protection under wakelock mechanism
Function that is dynamic and disappearing；
Secondly, screen protection chronograph mechanism is increased；
Again, after screen protection appearance, the mechanism of setting screen protection disappearance.
Further scheme is：
For the modification of Android Wakelock mechanism, it is specially：
To mProximityPositive, mUserActivitySummary, mDockState, mWakeLockSummary
The judgement of state ensures not send conflict with system sleep mode；Wakelock mechanism is namely allowed to support system simultaneously
Dormancy and global screensaver functions, and need idle function and screen protection to combine to reach the purpose of energy-conservation.
Further scheme is：
Increase screen protection chronograph mechanism, be specially：
Screen protection mechanism does not only have time of the counting user without operation, it is also necessary to which fusion enters to unite to system message push event
Meter；The time of the appearance of screen protection is default by application；
Start screen protection timing after system successful initialization PowerManager modules, if incoming event, system
Level message bullet frame event, audio/video pushing event, occur using refresh events, pass through userActivity interface notification screen protection meters
When mechanism restart timing, to ensure that the appearance of screen protection does not interfere with the current use of user；After screen protection disappearance immediately again
Timing；Integrated application and system mode is needed to carry out synthetic determination after the screen protection time for reaching setting；After by customization
Wakelock mechanism, according to the application scenarios acquire () and release () method that pass through PowerManager of reality
System framework layer is notified it is expected the state of screen protection；After system framework layer gets the desired state of application by wakelock locks,
This state is recorded by mWakeLockSummary variables；Meet when the screen protection chronograph mechanism notice system screen protection time
Afterwards, the wakelock states that system is set firstly the need of the application for judging record, if mWakeLockSummary is FULL_
WAKE_LOCK so represents that current application is not intended to screen protection appearance, then just needs bottle up screen protection and gone out after meeting in the screen protection time
Now and timing next time again；If system not recorded wakelock state, then represent that application wishes that screen protection occurs,
System needs further to judge whether TV is carrying out video playback or sound by television video and audio frequency play interface
Frequency plays, if played out, it is necessary to which system prevents screen protection appearance and timing next time again；If not done by broadcasting,
Need system to start screen protection, calling system TV interfaces are needed before screen protection is started, are passed to screen protection application under screen protection without behaviour
Make to switch to the standby time in the case of with message input.
Further scheme is：
The mechanism that screen protection disappears is set, is specially：
When receiving system incoming event, exit screen protection and perform corresponding function；
The push event that video, picture and audio are received when system is also required to exit screen protection；
After screen protection duration has reached the time of systemic presupposition, treated from the point of view of energy-conservation, it is necessary to call
Machine interface enters holding state by TV.
Further scheme is：
The system incoming event includes：Menu key, homepage key, mouse event, KeyEvent.
The present invention proposes a kind of method for realizing system overall situation screen protection in intelligent television, and so-called global screen protection, is in electricity
The screen protection that can be shown depending on all application scenarios.In the case where not influenceing Android screen locking flows, each application of TV
Scene is interacted by WAKELOCK mechanism with android system ccf layer, and desired screen protection state, Android are set to system
System framework layer is locked by the way that current system audio frequency and video are broadcast with the Wakelock of state and application setting, realizes and exists after comprehensive descision
In good time appearance under different application scenarios, disappearance screen protection.Reach allow using and system jointly reasonably come determine screen protection touch
Hair and disappear, to solve the problems, such as that former screen protection trigger mechanism is single and underaction.
The present invention solves the problems, such as TV screen protection and the fusion of application scenarios, is integrated by application scenarios and system mode true
Determine the appearing and subsiding flow of screen protection.Realizing under TV applications scene can reasonably appearing and subsiding screen protection, there is provided
More preferable Consumer's Experience, also provide technical foundation for screen protection operation.
Brief description of the drawings
Fig. 1 is the logic judgment that system starts and disappeared to screen protection；
Fig. 2 is that system starts screen protection and exits the specific implementation schematic flow sheet of screen protection.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
The method that system overall situation screen protection is realized in Android intelligent television disclosed by the invention, it is specially：
It is the custom-modification for Android Wakelock mechanism first, wakelock mechanism primary Android is
Bound with system dormancy, so we need to increase the function of the startup and disappearance of global screen protection under wakelock mechanism.It is logical
Cross to states such as mProximityPositive, mUserActivitySummary, mDockState, mWakeLockSummary
Judgement ensure not send conflict with system sleep mode.Wakelock mechanism is namely allowed to support system dormancy simultaneously
With global screensaver functions, and need idle function and screen protection to combine to reach the purpose of energy-conservation.
Then need to increase screen protection chronograph mechanism, new screen protection mechanism does not only have time of the counting user without operation, also needed
Merge and system message push event is entered to count.The time of the appearance of screen protection needs to pass through using default.In system success
Start screen protection timing after initializing PowerManager modules, if incoming event, system-level message bullet frame event, sound regard
Frequency push event, using refresh etc. event occur, it is necessary to be opened again by userActivity interface notification screen protection chronograph mechanisms
Beginning timing, to ensure that the appearance of screen protection does not interfere with the current use of user.Screen protection needs reclocking immediately after disappearing.When up to
Integrated application and system mode is needed to carry out synthetic determination after to the screen protection time of setting.Using passing through the Wakelock after customization
Mechanism, system frame is notified by PowerManager acquire () and release () method according to the application scenarios of reality
Rack-layer it is expected the state of screen protection.System framework layer is got using after desired state by wakelock locks, is passed through
MWakeLockSummary variables record this state.After having met the screen protection chronograph mechanism notice system screen protection time, it is
The wakelock states united firstly the need of the application setting for judging record, if mWakeLockSummary is FULL_WAKE_
LOCK so represents that current application is not intended to screen protection appearance, then just needs bottle up screen protection appearance after screen protection time satisfaction for we
And timing next time again.If system not recorded wakelock state, then represents that application wishes that screen protection occurs, is
System needs further to judge whether TV is carrying out video playback or audio by television video and audio frequency play interface
Play, if played out, it is necessary to which system prevents screen protection appearance and timing next time again.If not done by broadcasting, need
Want system to start screen protection, calling system TV interfaces are needed before screen protection is started, are passed to screen protection application under screen protection without operation
Switch to the standby time in the case of being inputted with message.
After if last screen protection occurs, system is needed by following several ways come the screen protection that disappears, defeated when receiving system
Incoming event such as Menu key, homepage key, mouse event, KeyEvent etc., exit screen protection and perform corresponding function.Regarded when system receives
Frequently, the push event of picture and audio is also required to exit screen protection.When screen protection duration has reached the time of systemic presupposition
Afterwards, it is necessary to call standby interface to enter holding state by TV from the point of view of energy-conservation.
As shown in Figure 2, more specifically embodiment of the invention is：
1st, screen protection timing module first reads the screen protection time set by user by application in initialization, specifically by applying
Set by ch_screensaver_time variables to Powermanager.Then opened in the system PowerManager of receiving
After moving successful message, start timing, if incoming event and message push waiting time occur with regard to reclocking.
2nd, using passing through the judgement to scene, it is determined whether need screen protection to occur, it is not necessary to which just calling occurs in screen protection
PowerManager Acquire () method holds FULL_WAKE_LOCK locks.If having held FULL_WAKE_LOCK locks,
, it is necessary to call release () method to discharge FULL_WAKE_LOCK locks so when scene needs screen protection to occur.This
Sample, which just completes, to be applied to oneself current desired screen protection state of System Reports.
If the 3, PowerManager reads the current screen protection time and met, updateDreamLocked is just called
Method starts the judgement flow whether screen protection occurs, as shown in Figure 1, it is necessary first to which judging the wakelock locks of application scenarios is
No expectation screen protection occurs, if it is desired to occurs, further calls isSignalStable () and isMusicActive () interface
Judge whether current system is carrying out the broadcasting of audio frequency and video, if not done by broadcasting.Then call DreamService interface
Start screen protection application, while calling system TV interfaces set screen protection to switch to the standby time.
4th, system judges that current demand signal source gives screen protection application incoming screen by getCurInputSource before starting screen protection
The time at most occurred is protected, such as at most continues 15 minutes under ATV, at most continues 30 seconds under VGA.When screen protection duration reaches
After the time set to system, screen protection application call shutdown interfaces enter holding state by complete machine.
5th, screen protection state is currently at, if incoming event occurs to press, it is necessary to intercept in phonewindowmanager
The interface of key calls Powermanager screen protection disappearance interface, if message push event occurs then to exist
Windowmanager intercepts the interface that the interface of message calls screen protection to disappear.Ensure that user and system energy proper solution remove screen protection.
By calling updatePowerStateLocked interfaces to continue the timing that screen protection next time triggers after screen protection releasing.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferable embodiment, embodiments of the present invention are simultaneously not restricted to the described embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in principle disclosed in the present application
Within scope and spirit.
Claims (5)
1. the method for system overall situation screen protection is realized in a kind of Android intelligent television, it is characterised in that including：
The modification for Android Wakelock mechanism first, increase under wakelock mechanism global screen protection startup and
The function of disappearance；
Secondly, screen protection chronograph mechanism is increased；
Again, after screen protection appearance, the mechanism of setting screen protection disappearance.
2. the method for system overall situation screen protection is realized in Android intelligent television according to claim 1, it is characterised in that：
For the modification of Android Wakelock mechanism, it is specially：
To mProximityPositive, mUserActivitySummary, mDockState, mWakeLockSummary state
Judgement ensure not send conflict with system sleep mode；Wakelock mechanism is namely allowed to support system dormancy simultaneously
With global screensaver functions, and need idle function and screen protection to combine to reach the purpose of energy-conservation.
3. the method for system overall situation screen protection is realized in Android intelligent television according to claim 1, it is characterised in that：
Increase screen protection chronograph mechanism, be specially：
Screen protection mechanism does not only have time of the counting user without operation, it is also necessary to which fusion enters to count to system message push event；
The time of the appearance of screen protection is default by application；
Start screen protection timing after system successful initialization PowerManager modules, if incoming event, system-level disappear
Breath plays frame event, audio/video pushing event, occurred using refresh events, passes through userActivity interface notification screen protection timing machines
System restarts timing, to ensure that the appearance of screen protection does not interfere with the current use of user；Reclocking immediately after screen protection disappears；
Integrated application and system mode is needed to carry out synthetic determination after the screen protection time for reaching setting；After by customization
Wakelock mechanism, led to according to the application scenarios of reality by PowerManager acquire () and release () method
Know that system framework layer it is expected the state of screen protection；System framework layer is got using after desired state by wakelock locks, is led to
Cross mWakeLockSummary variables and record this state；After having met the screen protection chronograph mechanism notice system screen protection time,
The wakelock states that system is set firstly the need of the application for judging record, if mWakeLockSummary is FULL_WAKE_
LOCK so represents that current application is not intended to screen protection appearance, then just needs bottle up screen protection and laid equal stress on after meeting in the screen protection time
New timing next time；If system not recorded wakelock state, then represent that application wishes that screen protection occurs, system needs
Further to judge whether TV is carrying out video playback or audio broadcasting by television video and audio frequency play interface,
If playing out, it is necessary to which system prevents screen protection appearance and timing next time again；If not done by broadcasting, it is necessary to system
Start screen protection, calling system TV interfaces are needed before screen protection is started, be passed to screen protection application under screen protection without operation and message
Switch to the standby time in the case of input.
4. the method for system overall situation screen protection is realized in Android intelligent television according to claim 1, it is characterised in that：
The mechanism that screen protection disappears is set, is specially：
When receiving system incoming event, exit screen protection and perform corresponding function；
The push event that video, picture and audio are received when system is also required to exit screen protection；
After screen protection duration has reached the time of systemic presupposition, it is necessary to call standby connect from the point of view of energy-conservation
Mouth allows TV to enter holding state.
5. the method for system overall situation screen protection is realized in Android intelligent television according to claim 4, it is characterised in that：
The system incoming event includes：Menu key, homepage key, mouse event, KeyEvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667726.4A CN107484022B (en) | 2017-08-07 | 2017-08-07 | Method for realizing system global screen saver on Android smart television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710667726.4A CN107484022B (en) | 2017-08-07 | 2017-08-07 | Method for realizing system global screen saver on Android smart television |
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| Publication Number | Publication Date |
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| CN107484022A true CN107484022A (en) | 2017-12-15 |
| CN107484022B CN107484022B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710667726.4A Active CN107484022B (en) | 2017-08-07 | 2017-08-07 | Method for realizing system global screen saver on Android smart television |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112463267A (en) * | 2019-09-06 | 2021-03-09 | 海信视像科技股份有限公司 | Method for presenting screen saver information on screen of display device and display device |
| CN113157364A (en) * | 2021-03-25 | 2021-07-23 | 广州文石信息科技有限公司 | Screen protection display method and device |
| CN113377474A (en) * | 2021-06-10 | 2021-09-10 | 湖南快乐阳光互动娱乐传媒有限公司 | Screen protection display method and related device |
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| CN107484022B (en) | 2020-06-30 |
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