CN106604086B - The played in full screen method and system of preview video in Android application - Google Patents

The played in full screen method and system of preview video in Android application Download PDF

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Publication number
CN106604086B
CN106604086B CN201611123517.5A CN201611123517A CN106604086B CN 106604086 B CN106604086 B CN 106604086B CN 201611123517 A CN201611123517 A CN 201611123517A CN 106604086 B CN106604086 B CN 106604086B
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China
Prior art keywords
view
video
list
interface
full screen
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CN106604086A (en
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龚宁
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Wuhan Douyu Network Technology Co Ltd
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Wuhan Douyu Network Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4438Window management, e.g. event handling following interaction with the user interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/482End-user interface for program selection
    • H04N21/4825End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/485End-user interface for client configuration
    • H04N21/4858End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows

Abstract

The invention discloses the played in full screen method and system of preview video in a kind of application of Android, the screen being related in Android application plays field.Steps of the method are: load plays view and modifies size in list interface, plays video in playing view;When needing to switch to video into broadcast interface played in full screen, after saving the last 1 width video pictures for playing and playing in view, deletes and play view;Close and discharge the memory that list interface occupies;It creates and shows broadcast interface, video pictures are loaded in broadcast interface and modify size, video is played from video pictures;When needing to switch to video list interface preview broadcasting, video pictures are deleted in broadcast interface;Player and broadcast interface are closed, the memory that player and broadcast interface occupy is discharged;It creates and shows list interface.The present invention can significantly reduce memory usage when carrying out video seamless switching, and fluency is preferable, and customer experience is high;And it not will cause code redundancy.

Description

The played in full screen method and system of preview video in Android application
Technical field
The present invention relates to the screens in Android application to play field, and in particular to preview video is complete in a kind of application of Android Screen playing method and system.
Background technique
Android application (Android TV applications, the application of Android box, Android mobile phone application etc.) is carrying out video playing and straight Sowing time (can hold 1 in list interface or recommendation column to broadcast in list interface or recommendation column by the way of wicket Put view) preview video, when user's click play view, automatic modification plays the width and width of view, so that playing view It is paved with entire screen, and then realizes the played in full screen of preview video.
But the played in full screen method of above-mentioned realization preview video has the following deficiencies:
When user's click play view, plays view and cover list interface when being paved with screen or recommend column, that is, arrange Surface and interface perhaps recommend column still remain and list interface (or recommend column) there are while view is played in broadcast interface Frequently, memory usage not only can be greatly improved, but also the video playing generation hair in list interface is generally replicated in broadcast interface In code, in turn result in code redundancy, safeguard that relatively difficult (such as the code in broadcast interface is when needing to modify, can simultaneously Code in modification list interface).
Summary of the invention
In view of the deficiencies in the prior art, present invention solves the technical problem that are as follows: handoff list interface and play boundary In face when video, memory usage is reduced.When the present invention can be realized seamless switching video, not only fluency is preferable, Ke Huti It tests higher;And using when do not need replicating code, not will cause code redundancy.
To achieve the above objectives, in Android provided by the invention application preview video played in full screen method, including it is following Step:
Step A: obtaining in list interface and play view, and the size for playing view is modified according to specified size parameter, It plays in view and plays video;When needing to switch to video into broadcast interface played in full screen, saves and played most in broadcasting view Afterwards after 1 width video pictures, the memory of release list interface occupancy;It creates and shows broadcast interface, go to step B;
Step B: obtaining video pictures in broadcast interface, sets full frame for the dimensional parameters of video pictures, from video Continue to play video at picture;When needing to switch to video list interface preview broadcasting, video figure is deleted in broadcast interface Piece;Discharge the memory that player and broadcast interface occupy;It creates and shows list interface, go to step A.
Compared with the prior art, the advantages of the present invention are as follows:
Referring to above-mentioned steps A04, the present invention is closed when video to be switched to broadcast interface played in full screen from list interface Close and release the memory of list interface occupancy;Referring to above-mentioned steps B04 it is found that the present invention is cutting video from broadcast interface When shifting to list interface preview broadcasting, the memory of broadcast interface occupancy is closed and released.Therefore, it is regarded with broadcasting in the prior art List interface is existed simultaneously with broadcast interface and is compared when frequency, and the present invention can only have list interface or play boundary when playing video Face, and then significantly reduce memory usage.
At the same time, referring to above-mentioned steps A04 it is found that video is being switched to broadcast interface by the present invention from list interface When played in full screen, it is not off player and saves the video pictures that last 1 width plays, and then realize video from list circle Broadcast interface broadcasting is switched seamlessly in face, fluency is preferable, and customer experience is higher;And the present invention using when do not need to replicate Code, and then not will cause code redundancy.
Detailed description of the invention
Fig. 1 is the flow chart of the played in full screen method of preview video in Android application in the embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
It explains first to the list interface, broadcast interface and the broadcasting view that often occur in the embodiment of the present invention.
List interface: the video preview interface in Android application, usually an activity provide a screen Application component.
Broadcast interface: the video playing interface in Android application, is typically also an activity.
Play view: video or live data carry out the view of preview in Android application, and the decoded data of player pass through It plays view to show in list interface, plays view and provided with singleton pattern, to guarantee only one broadcasting in an application View.
On this basis, shown in Figure 1, the played in full screen side of preview video in the Android application in the embodiment of the present invention Method, comprising the following steps:
S101: reserving 1 layer of FrameLayout (single frames layout) in list interface, obtains and plays view and be loaded onto In FrameLayout, such as the method for calling reserved frameLayout.addView (playing view view) is realized, is gone to S102。
The process for playing view is obtained in S101 are as follows: judgement, which plays view, whether there is, if so, directly acquiring broadcasting view Figure;Otherwise prove that play view obtains for the first time, initializes player, specified broadcasting view is obtained in player, specify Method includes: to lead to sliding in cell phone software or click to choose broadcasting view;Focus is selected by remote controler on Android TV And it stops realization and chooses broadcasting view.
S102: view is played according to dimensional parameters (the view altitude and view width) modification of preview view in list interface Size, modified broadcasting view is covered to preview view, S103 is gone to.
In S102 in actual use, the size for view being played by playing the interface method setting of the layout attributes of view is joined Several and position, such as (preview view position, preview view is wide, preview view by calling broadcasting view view.setLayoutParams Figure is high) method realization.
S103: opening player, (the primary MediaPlayer component that can be system offer is also possible to other players Component), the corresponding video resource path of view will be played and be transferred to player, player is loaded and solved according to video resource path After analysing video, MediaPlayer.setDataSource () and MediaPlayer.Start () method are called, realization is playing Preview plays video in view, goes to S104.
S104: it (is usually regarded when the user clicks when played in full screen function button in list interface playing in cell phone software One full frame button is provided in figure and realizes triggering, clicks remote controler confirmation when playing on view in focus on Android television equipment Key realizes triggering), it triggers the full frame handoff functionality of video (needing to switch to video into broadcast interface played in full screen), goes to S105。
S105: after saving last width video pictures for playing and playing in view, deleting in list interface and play view, But does not stop and discharge player, go to S106.
The method for playing view is deleted in S105 are as follows: the interface method being laid out by single frames will play view from list interface It deletes, such as reserved frameLayout.removeAllViews () method is called to realize.
S106: invocation list interface activity onDestory () method closes list interface and discharges list circle The memory that face occupies;Call the onCreate of broadcast interface activity (life cycle of activity is controlled by Android system) () method creates and shows broadcast interface, goes to S201.
S201: 1 layer of FrameLayout is reserved in broadcast interface, the video pictures saved in S105 are loaded onto In FrameLayout, S202 is gone to.
S202: according to the dimensional parameters (view altitude and view width) of full screen display, after the size for modifying video pictures, Video pictures are displayed in full screen to (actual use method is identical as S102) in broadcast interface, go to S203.
S203: continuing broadcasting video from video pictures can be straight due to not stopping and discharging player in S105 It connects and plays video in broadcast interface, realization switches seamlessly to played in full screen, goes to S204.
S204: (pass through return key in mobile phone application when exiting full frame function button in broadcast interface when the user clicks or return Return button and realize triggering, triggering is realized by remote controler return key by user on Android TV), triggering video preview broadcasting is cut Function (needing to switch to video list interface preview broadcasting) is changed, S205 is gone to.
S205: according to the delet method in S105, video pictures are deleted in broadcast interface;Call the interface side of player Method realizes the memory closed player and discharge player occupancy, such as Android primary player MediaPlayer.Stop () and MediaPlayer.Release () method, goes to S206.
S206: calling onDestory () method of broadcast interface activity, closes broadcast interface and discharges broadcasting circle The memory that face occupies;OnCreate () method of invocation list interface activity creates and shows list interface, goes to S101。
In the embodiment of the present invention Android application in preview video played in full screen system, including list interface subsystem and Broadcast interface subsystem.
List interface subsystem is used for: after receiving List View acquisition signal, being obtained in list interface and is played view, press The size for playing view is modified according to specified size parameter, plays video in playing view;It needs to switch to video and plays boundary When the played in full screen of face, after saving the last 1 width video pictures for playing and playing in view, the memory of release list interface occupancy;Wound It builds and shows broadcast interface, send full screen view to broadcast interface subsystem and obtain signal;
Broadcast interface subsystem is used for: after receiving full screen view acquisition signal, video pictures are obtained in broadcast interface, it will The dimensional parameters of video pictures are set as full frame, continue to play video from video pictures;It needs video switching to list circle When face preview plays, video pictures are deleted in broadcast interface;Discharge the memory that player and broadcast interface occupy;It creates and shows Show list interface, obtains signal to list interface subsystem transmission list view.
List interface subsystem includes that list plays view acquisition module, list plays view dimensions adjustment module, list Video playback module and full screen video play switching module;Broadcast interface subsystem includes that played in full screen view obtains module, complete Screen plays view dimensions adjustment module, full screen video playing module and list video playing switching module.
List plays view acquisition module and is used for: after receiving view acquisition signal, 1 layer of single frames cloth is reserved in list interface Office, obtain and play view and be loaded onto single frames layout: judgement, which plays view, whether there is, if so, directly acquiring broadcasting view; Otherwise player is initialized, specified broadcasting view is obtained in player;View dimensions adjustment module is played to list to send Size adjustment signal.
List plays view dimensions adjustment module and is used for: after receiving size adjustment signal, regarding according to preview in list interface Dimensional parameters (the view altitude and view width) modification of figure plays the size of view, and modified broadcasting view is covered to pre- It lookes on view, Xiang Liebiao video playback module sends video display signals.
List video playback module is used for: after receiving video display signals, will play the corresponding video resource path of view It is transferred to player, after player parses video according to video resource path, is played out in playing view.
Full screen video plays switching module and is used for: when needing to switch to video into broadcast interface played in full screen, saving and plays After the last 1 width video pictures played in view, is deleted in list interface and play view;List interface is closed, list is discharged The memory that interface occupies;It creates and shows broadcast interface, obtain module to played in full screen view and send view acquisition signal.
Played in full screen view obtains module and is used for: after receiving view acquisition signal, 1 layer of single frames cloth is reserved in broadcast interface Full screen video is played the video pictures saved in switching module and is loaded onto single frames layout, goes to played in full screen view ruler by office Very little adjustment module sends size adjustment signal.
Played in full screen view dimensions adjustment module is used for: after receiving size adjustment signal, being joined according to the size of full screen display It counts (view altitude and view width), after the size for modifying video pictures, video pictures is displayed in full screen in broadcast interface, to Full screen video playing module sends video display signals.
Full screen video playing module is used for: after receiving video display signals, continuing to play video from video pictures.
List video playing switching module is used for: when needing to switch to video list interface preview broadcasting, playing boundary Video pictures are deleted in face;Player and broadcast interface are closed, the memory that player and broadcast interface occupy is discharged;It creates and shows Show list interface, plays view to list and obtain module transmission view acquisition signal.
Further, the present invention is not limited to the above-described embodiments, for those skilled in the art, Without departing from the principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the present invention Protection scope within.The content being not described in detail in this specification belongs to existing skill well known to professional and technical personnel in the field Art.

Claims (8)

1. a kind of played in full screen method of preview video in Android application, which is characterized in that method includes the following steps:
Step A: obtaining in list interface and play view, and the size for playing view is modified according to specified size parameter, is being played Video is played in view;When needing to switch to video into broadcast interface played in full screen, last 1 width for playing and playing in view is saved After video pictures, the memory of release list interface occupancy;It creates and shows broadcast interface, go to step B;
Step B: obtaining video pictures in broadcast interface, sets full frame for the dimensional parameters of video pictures, from video pictures Continue to play video in place;When needing to switch to video list interface preview broadcasting, video pictures are deleted in broadcast interface;It releases Put the memory that player and broadcast interface occupy;It creates and shows list interface, go to step A.
2. the played in full screen method of preview video in Android application as described in claim 1, which is characterized in that step A is specific The following steps are included:
Step A01: reserving 1 layer of single frames layout in list interface, obtains and plays view and be loaded onto single frames layout, goes to step Rapid A02;
Step A02: the size of view is played according to the dimensional parameters modification of preview view in list interface, by modified broadcasting View is covered to preview view, goes to step A03;
Step A03: the corresponding video resource path of view will be played and be transferred to player, player is solved according to video resource path After analysing video, is played out in playing view, go to step A04;
Step A04: when needing to switch to video into broadcast interface played in full screen, the last 1 width view for playing and playing in view is saved After frequency picture, is deleted in list interface and play view;Close list interface, the memory that release list interface occupies;Creation is simultaneously It shows broadcast interface, goes to step B01;
Step B specifically includes the following steps:
Step B01: 1 layer of single frames layout is reserved in broadcast interface, the video pictures saved in step A04 are loaded onto single frames cloth In office, step B02 is gone to;
Step B02: according to the dimensional parameters of full screen display, after the size for modifying video pictures, by video pictures in broadcast interface Middle full screen display goes to step B03;
Step B03: continue to play video from video pictures, go to step B04;
Step B04: when needing to switch to video list interface preview broadcasting, video pictures are deleted in broadcast interface;It closes Player and broadcast interface discharge the memory that player and broadcast interface occupy;It creates and shows list interface, go to step A01。
3. the played in full screen method of preview video in Android application as claimed in claim 2, it is characterised in that: in step A01 The acquisition process for playing view are as follows: judgement, which plays view, whether there is, if so, directly acquiring broadcasting view;Otherwise initial Change player, specified broadcasting view is obtained in player.
4. the played in full screen method of preview video in Android application as claimed in claim 2 or claim 3, it is characterised in that: step A02 It include view altitude and view width with dimensional parameters described in step B02.
5. the played in full screen system of preview video in a kind of Android application, which is characterized in that the system includes list interface subsystem System and broadcast interface subsystem;
List interface subsystem is used for: after receiving List View acquisition signal, being obtained in list interface and is played view, according to finger Determine the size that dimensional parameters modification plays view, plays video in playing view;It needs video switching to broadcast interface complete When screen plays, after saving the last 1 width video pictures for playing and playing in view, the memory that list interface occupies is discharged;Creation is simultaneously It shows broadcast interface, sends full screen view to broadcast interface subsystem and obtain signal;
Broadcast interface subsystem is used for: after receiving full screen view acquisition signal, video pictures is obtained in broadcast interface, by video The dimensional parameters of picture are set as full frame, continue to play video from video pictures;It needs video switching to list interface pre- Look at broadcasting when, video pictures are deleted in broadcast interface;Discharge the memory that player and broadcast interface occupy;It creates and shows column Surface and interface obtains signal to list interface subsystem transmission list view.
6. the played in full screen system of preview video in Android application as claimed in claim 5, it is characterised in that: list circle Face system include list play view obtain module, list play view dimensions adjustment module, list video playback module and Full screen video plays switching module;The broadcast interface subsystem includes that played in full screen view obtains module, played in full screen view Size adjustment module, full screen video playing module and list video playing switching module;
List plays view acquisition module and is used for: after receiving List View acquisition signal, 1 layer of single frames cloth is reserved in list interface Office obtains and plays view and be loaded onto single frames layout, plays view dimensions adjustment module to list and send size adjustment signal;
List plays view dimensions adjustment module and is used for: after receiving size adjustment signal, according to preview view in list interface Dimensional parameters modification plays the size of view, modified broadcasting view is covered to preview view, Xiang Liebiao video playing Module sends video display signals;
List video playback module is used for: after receiving video display signals, will play the corresponding video resource path transmitting of view To player, after player parses video according to video resource path, played out in playing view;
Full screen video plays switching module and is used for: when needing to switch to video into broadcast interface played in full screen, saving and plays view After the last 1 width video pictures of middle broadcasting, is deleted in list interface and play view;List interface is closed, list interface is discharged The memory of occupancy;It creates and shows broadcast interface, obtain module to played in full screen view and send full screen view acquisition signal;
Played in full screen view obtains module and is used for: after receiving full screen view acquisition signal, 1 layer of single frames cloth is reserved in broadcast interface Full screen video is played the video pictures saved in switching module and is loaded onto single frames layout, goes to played in full screen view ruler by office Very little adjustment module sends size adjustment signal;
Played in full screen view dimensions adjustment module is used for: after receiving size adjustment signal, according to the dimensional parameters of full screen display, being repaired After the size for changing video pictures, video pictures are displayed in full screen in broadcast interface, send video to full screen video playing module Play signal;
Full screen video playing module is used for: after receiving video display signals, continuing to play video from video pictures;
List video playing switching module is used for: when needing to switch to video list interface preview broadcasting, in broadcast interface Delete video pictures;Player and broadcast interface are closed, the memory that player and broadcast interface occupy is discharged;It creates and shows column Surface and interface plays view to list and obtains module transmission list view acquisition signal.
7. the played in full screen system of preview video in Android application as claimed in claim 6, it is characterised in that: the list is broadcast It puts view and obtains the process that module obtains broadcasting view are as follows: judgement, which plays view, whether there is, if so, directly acquiring broadcasting view Figure;Otherwise player is initialized, specified broadcasting view is obtained in player.
8. the played in full screen system of preview video in Android application as claimed in claims 6 or 7, it is characterised in that: the column Table play the dimensional parameters in view dimensions adjustment module and played in full screen view dimensions adjustment module include view altitude and View width.
CN201611123517.5A 2016-12-08 2016-12-08 The played in full screen method and system of preview video in Android application Active CN106604086B (en)

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