CN109951732A - The method that Android intelligent television prevents boot LOGO Yu application switching blank screen - Google Patents
The method that Android intelligent television prevents boot LOGO Yu application switching blank screen Download PDFInfo
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- CN109951732A CN109951732A CN201910197652.1A CN201910197652A CN109951732A CN 109951732 A CN109951732 A CN 109951732A CN 201910197652 A CN201910197652 A CN 201910197652A CN 109951732 A CN109951732 A CN 109951732A
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Abstract
The invention discloses a kind of methods that Android intelligent television prevents boot LOGO Yu application switching blank screen, including step 1: custom-built system initialization program, cancels the starting of boot animation program；Step 2: being controlled by the state between layer management service and application management service, control, the blank screen covered in initialization procedure that substitution boot animation program is completed are updated by the display whether detection Home application is actuated for frame buffer.It after Android intelligent television is switched on and shows boot LOGO, is customized by layer management service to system and application management service, according to the starting state that Home is applied, the frame buffering refresh requests to each module of system, respectively applied are controlled；Simultaneously as not starting bootanmation animation program, cpu resource is released, and has more cpu resources to distribute to other modules of system, and the processing speed of CPU is returned faster when system starts in this way, effectively reduces system start-up time.
Description
Technical field
The present invention relates to ntelligent television technolog fields, are that a kind of Android intelligent television prevents boot LOGO specifically
With the method for application switching blank screen.
Background technique
Android intelligent television starting up mainly divide three phases: boot stage, operating system stage, Home
Using startup stage.
The display of boot LOGO, one is shown in boot stage；One is in operating system initialization
It is shown, then carries out other initialization again, two methods are boot LOGO image to be output to video memory and in screen
On shown.
But after the completion of the display of boot LOGO, since the initialization of operating system has not been completed, there are also other moulds
When block is initialized, the initialization of the hardware module of video memory is especially related to, can video memory be refreshed and be controlled again,
It will lead to boot LOGO image data in video memory at this time to be refreshed, cause boot LOGO picture drop-out, and Home application at this time is still
Inactive, the image output of application interface, screen not will appear black state.
Android is directed to this problem, and current solution is: in android system in operating system initialization rank
Section, starts a boot animation program, this boot animation program exports picture frame by frame buffer cycles, at a high speed to video memory
Sequence simulates an animation process, for covering the blank screen occurred.After checking Home application start completion, system can be strong
Boot animation program processed exits, and will show the application interface of Home application at this time.
But this implementation method, although blank screen can be covered by boot animation program, since animation program is being held
In capable process, due to high speed, the movements such as picture decoding, image output are cyclically executed, no small cpu resource can be occupied,
Cpu resource is nervous when causing system to start in the regular hour, influences the starting speed and efficiency of other modules, will cause and is
The system starting time increases.
Summary of the invention
The purpose of the present invention is to provide the sides that a kind of Android intelligent television prevents boot LOGO Yu application switching blank screen
Method has blank screen for solving Android intelligent television in the prior art when starting up, and due to animation program
During execution, due to high speed, the movements such as picture decoding, image output are cyclically executed, no small CPU money can be occupied
Source, cpu resource is nervous when causing system to start within the regular hour, influences the starting speed and efficiency of other modules, meeting
The problem of causing system start-up time to increase.
The present invention is solved the above problems by following technical proposals:
A kind of method that Android intelligent television prevents boot LOGO Yu application switching blank screen, the method includes as follows
Step:
Step 1: custom-built system initialization program cancels the starting of boot animation program；
Step 2: being controlled by the state between layer management service and application management service, be by detection Home application
The no display for being actuated for frame buffer updates control, the blank screen covered in initialization procedure that substitution boot animation program is completed.
By this method, after Android intelligent television is switched on and shows boot LOGO, pass through the layer management to system
Service and application management service are customized, and according to the starting state that Home is applied, the frame to each module of system, respectively applied is buffered
Refresh requests are controlled, and realize that the switching between boot LOGO and the application interface of Home application without blank screen, improves user's view
Feel experience；Simultaneously as not starting bootanmation animation program, cpu resource is released, and has more cpu resources to distribute
Give system other modules, the processing speed of CPU is returned faster when system starts in this way, effectively reduces system start-up time.
Preferably, the process whether Home application is actuated for the display update control of frame buffer is detected in the step 2
Include the following steps:
Step 2.1: customized application management service by way of system property, notifies figure layer after starting Home application
The title of management service Home application；
Step 2.2: customization layer management service is mentioned when receiving frame buffer update request by application management service
The system property of confession obtains the title of application, and whether detection requestor is Home application；
Step 2.3: if it is Home application that step 3, which detects, by updating request, and passing through frame buffer for image update
To video memory；If not Home is applied, then refuse to update request, frame buffer keeps original state.
Preferably, when detecting that Home application starts and has update to request, layer management service is receiving frame buffer
When updating request, be no longer updated request whether be Home application judgement, default answered by all update requests, Home
When with starting and have update to request, the process judged the update request after starting is saved, the boot system that effectively shortens opens
The dynamic time.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) present invention is taken after Android intelligent television is switched on and shows boot LOGO by the layer management to system
Business and application management service are customized, and according to the starting state that Home is applied, the frame buffering to each module of system, respectively applied is brushed
New request is controlled, and realizes that the switching between boot LOGO and the application interface of Home application without blank screen, improves user's vision
Experience；Simultaneously as not starting bootanmation animation program, cpu resource is released, and has more cpu resources to distribute to
Other modules of system, the processing speed of CPU is returned faster when system starts in this way, effectively reduces system start-up time.
(2) present invention is when detecting that Home application starts and has update to request, and layer management service is to receive frame slow
When depositing update request, be no longer updated request whether be Home application judgement, default passes through all update requests, Home
It when using starting and there is update to request, saves to the process that is judged of update request after starting, effectively shortens boot system
The time of starting.
Detailed description of the invention
Fig. 1 is the flow chart for the method that smart television of the invention prevents boot LOGO and application switching blank screen.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1:
In conjunction with shown in attached drawing 1, a kind of method that Android intelligent television prevents boot LOGO Yu application switching blank screen,
It is characterized in that, described method includes following steps:
Step 1: custom-built system initialization program cancels the starting of boot animation program；
Step 2: being controlled by the state between layer management service and application management service, be by detection Home application
The no display for being actuated for frame buffer updates control, the blank screen covered in initialization procedure that substitution boot animation program is completed.
The process that the display that wherein whether detection Home application is actuated for frame buffer updates control includes the following steps:
Step 2.1: customized application management service by way of system property, notifies figure layer after starting Home application
The title of management service Home application；When detecting that Home application starts and has update to request, layer management service is being received
To frame buffer update request when, be no longer updated request whether be Home application judgement, default asked by all updates
It asks, saves the process judged the update request after starting, the time of the boot system that effectively shortens starting；
Step 2.2: customization layer management service is mentioned when receiving frame buffer update request by application management service
The system property of confession obtains the title of application, and whether detection requestor is Home application；
Step 2.3: if it is Home application that step 3, which detects, by updating request, and passing through frame buffer for image update
To video memory；If not Home is applied, then refuse to update request, frame buffer keeps original state.
In the following, being illustrated in conjunction with specific example:
The first step increases Home application packet name attribute:
Sys.homeapp.packagename=word string, default value NULL, expression do not know that home is applied, are not sky,
Indicate the packet name of home application.
Second step, TV export boot LOGO image after actuation, from bootstrap or operating system to video memory；
Third step when os starting system initialization routine, successively starts layer management service, application management service
And close the starting of boot animation program；
4th step, in layer management service: increasing global variable bool mLauncherStart, default value is
false；Effect is to judge whether home application has been started up；Request processing function is updated in figure
Increase judgement in handleMessageRefresh ():
If mLauncherStart=false, refuses the figure and update request, terminate figure more new technological process；If
MLauncherStart=true is then updated by figure and is requested, and figure more new technological process is continued；
It is controlled in processing function handlePageFlip () in graphical display, it is aobvious in the graphical interfaces for receiving application program
When showing solicitation message, controlled according to the state of mLauncherStart:
As mLauncherStart=false, system property sys.homeapp.packagename is obtained, is checked aobvious
Show whether the title of the application of application matches with sys.homeapp.packagename:
If it does, then by the display application of the application, and true is set by mLauncherStart；If not
Match, then refuses the display application of the application；
As mLauncherStart=true, is applied by all displays, carry out display processing by former process；
Finally, in application management service, in startHomeActivityLocked () function of starting home application
In, the home packet name applied, which is written in system property sys.homeapp.packagename i.e., which can reach to cover to be switched on, opens
Dynamic blank screen improves the purpose of TV starting speed, does not experience again to be promoted.
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, embodiment of the present invention are not limited by the above embodiments, it should be appreciated that those skilled in the art
Member can be designed that a lot of other modification and implementations, these modifications and implementations will fall in principle disclosed in the present application
Within scope and spirit.
Claims (3)
1. a kind of method that Android intelligent television prevents boot LOGO Yu application switching blank screen, which is characterized in that the method
Include the following steps:
Step 1: custom-built system initialization program cancels the starting of boot animation program；
Step 2: being controlled by the state between layer management service and application management service, whether opened by detection Home application
The dynamic display for carrying out frame buffer updates control, the blank screen covered in initialization procedure that substitution boot animation program is completed.
2. the method that Android intelligent television according to claim 1 prevents boot LOGO Yu application switching blank screen, special
Sign is that it includes as follows for detecting Home application in the step 2 and whether being actuated for the process of the display update control of frame buffer
Step:
Step 2.1: customized application management service by way of system property, notifies layer management after starting Home application
Service the title of Home application；
Step 2.2: customization layer management service passes through what application management service provided when receiving frame buffer update request
System property obtains the title of application, and whether detection requestor is Home application；
Step 2.3: if step 3 detect be Home application, by update request, and by frame buffer by image update to show
It deposits；If not Home is applied, then refuse to update request, frame buffer keeps original state.
3. the method that Android intelligent television according to claim 2 prevents boot LOGO Yu application switching blank screen, special
Sign is, when detecting that Home application starts and has update to request, layer management service is receiving frame buffer update request
When, be no longer updated request whether be Home application judgement, default passes through all update requests.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910197652.1A CN109951732B (en) | 2019-03-15 | 2019-03-15 | Method for preventing startup LOGO and application from switching to black screen for Android smart television |
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| CN201910197652.1A CN109951732B (en) | 2019-03-15 | 2019-03-15 | Method for preventing startup LOGO and application from switching to black screen for Android smart television |
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| CN113691871A (en) * | 2021-08-19 | 2021-11-23 | 杭州国芯科技股份有限公司 | Method for optimizing startup picture display of set top box |
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| Publication number | Publication date |
|---|---|
| CN109951732B (en) | 2020-06-30 |
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