CN108509106A - A kind of method positioned after desktop lyrics movement - Google Patents
A kind of method positioned after desktop lyrics movement Download PDFInfo
- Publication number
- CN108509106A CN108509106A CN201810233091.1A CN201810233091A CN108509106A CN 108509106 A CN108509106 A CN 108509106A CN 201810233091 A CN201810233091 A CN 201810233091A CN 108509106 A CN108509106 A CN 108509106A
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- lyrics
- desktop
- paintbrush
- ordinate
- control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- 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
- G06F9/451—Execution arrangements for user interfaces
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Controls And Circuits For Display Device (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
A kind of method positioned after being moved the present invention relates to desktop lyrics, includes the following steps:Step 1, desktop lyrics control DeskLyricView is created, basic control TextView is inherited;Step 2, timer timer is set, the Timer timer classes that android system provides are inherited, gives tacit consent to lyrics of 50 milliseconds of refreshings;Step 3, preset font size and font color are obtained;Step 4, Define Brush, the paintbrush include:Preposition paintbrush setFrontPaint, postposition paintbrush setBackPaint, shade paintbrush setShadowPaint;Step 5, the lyrics are drawn;Step 6, to the operation present invention of desktop lyrics control DeskLyricView, energy lyric-supporting a line or multirow are shown for response, the conventional func of the desktop lyrics, when being operated to the desktop lyrics, response is rapid, presentation interface is accurate, no interim card flicker free, and user experience is good.
Description
Technical field
The present invention relates to desktop lyrics display technology field, the method that is positioned after specifically a kind of desktop lyrics movement.
Background technology
Using music class App(Music player)When, people like seeing the lyrics while listening to, and sometimes, App cannot
In front stage operation, but people still wish to see the lyrics, produce desktop lyrics function thus, to meet the use need of people
It asks.
Desktop lyrics function is presented the lyrics on the table using suspended window permission is opened, when App runs on backstage,
The lyrics can be still immediately seen, and the lyrics are shown with song synchronous rolling(The lyrics follow playing progress rate).Therefore, the desktop lyrics are
A kind of suspension window function.
The desktop lyrics are abundant with function, can not only change the styles such as font, font size, color, to transparency, display
The detail attributes such as line number, played text color can be also adjusted by user demand, more meet individual demand.
Since the desktop lyrics are presented in suspended window, inevitably interactive elements below are blocked, therefore,
The desktop lyrics support shift position, in order to avoid influence the use of user.Behind the position of the mobile desktop lyrics, it is susceptible to position not
Accurate problem causes the lyrics to show the situations such as incomplete, text color is incorrect, influences user experience, such as:The lyrics are to next
That lyrics is directly all bright when row, is not bright one by one by the speed sung;The uniline lyrics do not work at all, directly switching song
Word;The duplicate rows lyrics can be bright, but is not bright one by one;The lyrics, which snap on the right of screen, can not adjust position;The lyrics with song not
It is synchronous, etc..
Invention content
In view of the deficiencies in the prior art, it is positioned after being moved the purpose of the present invention is to provide a kind of desktop lyrics
Method, energy lyric-supporting a line or multirow show that the conventional func of the desktop lyrics, when being operated to the desktop lyrics, response is fast
Speed, presentation interface is accurate, no interim card flicker free, and user experience is good.
To achieve the above objectives, the technical solution adopted by the present invention is that:
The method positioned after a kind of movement of the desktop lyrics, which is characterized in that include the following steps:
Step 1, desktop lyrics control DeskLyricView is created, basic control TextView is inherited;
Step 2, timer timer is set, the Timer timer classes that android system provides are inherited, gives tacit consent to 50 milliseconds and refreshes one
The secondary lyrics;
Step 3, preset font size and font color are obtained;
Step 4, Define Brush, the paintbrush include:
Preposition paintbrush setFrontPaint, color and font size for drawing the normal lyrics,
Postposition paintbrush setBackPaint, color and font size for drawing the lyrics played,
Shade paintbrush setShadowPaint, for drawing the shade being arranged to font;
Step 5, the lyrics are drawn;
Step 6, operation of the response to desktop lyrics control DeskLyricView, specifically includes:
Scheme one:
When the triggering of the event of click, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When slip event triggers, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When closing control event triggering, the ordinate of position is saved in and is locally stored by position of the record control in screen
In the array position of location variable, wait for that reading this value again when next time restores is shown;
The ordinate default value is the coordinate in the upper left corner;
Scheme two:
When the triggering of the event of click, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When slip event triggers, further captures user and lift finger event MotionEvent.ACTION_UP, slided in user
When lifting operation after dynamic, the ordinate of desktop control at this time is directly saved in the array that location variable is locally stored
In position, wait for that reading this value again when next time restores is shown,
When closing control event triggering, the ordinate of position is saved in and is locally stored by position of the record control in screen
In the array position of location variable, wait for that reading this value again when next time restores is shown;
The ordinate default value is the coordinate in the upper left corner.
Based on the above technical solution, in step 3, preset font size is following one of arbitrary:16dp,
18dp, 20dp;
Preset font color is following one of arbitrary:It is red, it is yellow, it is green, it is blue, it is purple;
Default font size is 18dp, and default font color is Huang.
Based on the above technical solution, in step 4, when drawing the lyrics, in x-axis, the normal lyrics are being drawn
On the basis of, extra 1 pixel is drawn once again with shade paintbrush setShadowPaint, forms font shade.
Based on the above technical solution, it in step 5, is as follows:
Step 5.1, the lyrics are obtained, confirm whether the lyrics are effective;
Step 5.2, the serial number and content of the lyrics are obtained;
When lyrics serial number there are two it is above when, indicate the lyrics be divided to two rows or more to show, a lyrics serial number corresponds to a line lyrics, divide
Manage radix row and the even number line lyrics in other places;
Step 5.3, it sets and preserves painting canvas canvas.save ();
Step 5.4, the region for not playing the lyrics is accurately calculated, clipping region is set, the lyrics played are drawn in clipping region,
Preserve painting canvas;
Step 5.5, the region for not playing the lyrics is accurately calculated, another clipping region is set, is drawn in another clipping region normal
The lyrics, i.e., the lyrics not played preserve painting canvas;
Step 5.6, it repeats to draw the effect for showing shade.
Based on the above technical solution, in step 5.1, if the lyrics obtained are sky, the content of acquiescence is just drawn
" searching for the lyrics ",
If the lyrics are invalid, the content " loading the lyrics " of acquiescence is just drawn.
Based on the above technical solution, in step 5.2, for radix row or the even number line lyrics, paintbrush is called first
Measurement textwidth function measureText, the length of returned text is denoted as the width sentenceLength of the lyrics,
The width for calculating the lyrics that according to paintbrush and lyrics content, can be taken is denoted as lyrics content sentenceContent,
Then, the width sentenceLength of the lyrics and screen width compare, exceed predetermined threshold value when, indicate when play into
Degree is more than screen width, needs rolling display of lyrics.
Based on the above technical solution, rolling display of lyrics is as follows:
When drafting at regular intervals, x coordinate successively decreases certain value, achievees the effect that rolling of turning left,
Or:
When drafting at regular intervals, x coordinate is incremented by certain value, achievees the effect that rolling of turning right,
Acquiescence is successively decreased or incremental value is 7 pixels.
The method positioned after desktop lyrics movement of the present invention, energy lyric-supporting a line or multirow show that desktop is sung
The conventional func of word, when being operated to the desktop lyrics, response is rapid, and presentation interface is accurate, no interim card flicker free, user experience
It is good.
Description of the drawings
The present invention has following attached drawing:
The flow chart of Fig. 1 present invention.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
As shown in Figure 1, the method positioned after desktop lyrics movement of the present invention, includes the following steps:
Step 1, desktop lyrics control DeskLyricView is created, basic control TextView is inherited,
Basic control TextView is what Android sdk were provided, and TextView is inherently used for display font and setting word
Body size color etc. inherits the api that it can be used to provide after TextView, easily sets and displays font;
Step 2, timer timer is set, the Timer timer classes that android system provides are inherited, gives tacit consent to 50 milliseconds and refreshes one
The secondary lyrics;
Step 3, preset font size and font color are obtained;
Step 4, Define Brush, the paintbrush include:
Preposition paintbrush setFrontPaint, color and font size for drawing the normal lyrics,
Postposition paintbrush setBackPaint, color and font size for drawing the lyrics played,
Shade paintbrush setShadowPaint, for drawing the shade being arranged to font;
Step 5, the lyrics are drawn;
Step 6, operation of the response to desktop lyrics control DeskLyricView, specifically includes:
Scheme one:
When the triggering of the event of click, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When slip event triggers, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When closing control event triggering, the ordinate of position is saved in and is locally stored by position of the record control in screen
In the array position of location variable, wait for that reading this value again when next time restores is shown;
The ordinate default value is the coordinate in the upper left corner;
Scheme one has a drawback, and what is exactly calculated is inaccurate, and the phenomenon that being presented to the user is exactly, when user slide desktop control it
Afterwards, when waiting for that desktop control background disappeared in 5 seconds after finger lifts, it can flash in the vertical direction of screen, give in this way
The experience of user is very bad, because the position of the position and calculating control lifted after end user's sliding in screen is differed
It causes, when will result in reconstruction interface, flashes;
Scheme two:
When the triggering of the event of click, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When slip event triggers, further captures user and lift finger event MotionEvent.ACTION_UP, slided in user
When lifting operation after dynamic, the ordinate of desktop control at this time is directly saved in the array that location variable is locally stored
In position, wait for that reading this value again when next time restores is shown,
When closing control event triggering, the ordinate of position is saved in and is locally stored by position of the record control in screen
In the array position of location variable, wait for that reading this value again when next time restores is shown;
The ordinate default value is the coordinate in the upper left corner.
Based on the above technical solution, in step 3, preset font size is following one of arbitrary:16dp,
18dp, 20dp;
Preset font color is following one of arbitrary:It is red, it is yellow, it is green, it is blue, it is purple;
Default font size is 18dp, and default font color is Huang.
In preset information write-in configuration file, called when to use.
Based on the above technical solution, in step 4, when drawing the lyrics, in x-axis, the normal lyrics are being drawn
On the basis of, extra 1 pixel is drawn once again with shade paintbrush setShadowPaint, forms font shade.
Based on the above technical solution, it in step 5, is as follows:
Step 5.1, the lyrics are obtained, confirm whether the lyrics are effective;
Step 5.2, the serial number and content of the lyrics are obtained;
When lyrics serial number there are two it is above when, indicate the lyrics be divided to two rows or more to show, a lyrics serial number corresponds to a line lyrics, divide
Manage radix row and the even number line lyrics in other places;
Step 5.3, it sets and preserves painting canvas canvas.save ();
Step 5.4, the region for not playing the lyrics is accurately calculated, clipping region is set, the lyrics played are drawn in clipping region,
Preserve painting canvas;
Step 5.5, the region for not playing the lyrics is accurately calculated, another clipping region is set, is drawn in another clipping region normal
The lyrics, i.e., the lyrics not played preserve painting canvas;
Step 5.6, it repeats to draw the effect for showing shade.
Based on the above technical solution, in step 5.1, if the lyrics obtained are sky, the content of acquiescence is just drawn
" searching for the lyrics ",
If the lyrics are invalid, the content " loading the lyrics " of acquiescence is just drawn.
The espespecially currently playing lyrics are invalid in vain for the lyrics.
Based on the above technical solution, in step 5.2, for radix row or the even number line lyrics, paintbrush is called first
Measurement textwidth function measureText, the length of returned text is denoted as the width sentenceLength of the lyrics,
The width for calculating the lyrics that according to paintbrush and lyrics content, can be taken is denoted as lyrics content sentenceContent,
Then, the width sentenceLength of the lyrics and screen width compare, exceed predetermined threshold value when, indicate when play into
Degree is more than screen width, needs rolling display of lyrics.
Based on the above technical solution, rolling display of lyrics is as follows:
When drafting at regular intervals, x coordinate successively decreases certain value, achievees the effect that rolling of turning left,
Or:
When drafting at regular intervals, x coordinate is incremented by certain value, achievees the effect that rolling of turning right,
Acquiescence is successively decreased or incremental value is 7 pixels.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (7)
1. a kind of method positioned after desktop lyrics movement, which is characterized in that include the following steps:
Step 1, desktop lyrics control DeskLyricView is created, basic control TextView is inherited;
Step 2, timer timer is set, the Timer timer classes that android system provides are inherited, gives tacit consent to 50 milliseconds and refreshes one
The secondary lyrics;
Step 3, preset font size and font color are obtained;
Step 4, Define Brush, the paintbrush include:
Preposition paintbrush setFrontPaint, color and font size for drawing the normal lyrics,
Postposition paintbrush setBackPaint, color and font size for drawing the lyrics played,
Shade paintbrush setShadowPaint, for drawing the shade being arranged to font;
Step 5, the lyrics are drawn;
Step 6, operation of the response to desktop lyrics control DeskLyricView, specifically includes:
Scheme one:
When the triggering of the event of click, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When slip event triggers, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When closing control event triggering, the ordinate of position is saved in and is locally stored by position of the record control in screen
In the array position of location variable, wait for that reading this value again when next time restores is shown;
The ordinate default value is the coordinate in the upper left corner;
Scheme two:
When the triggering of the event of click, the ordinate of position is saved in and position is locally stored by position of the record control in screen
In the array position of variable, wait for that reading this value again when next time restores is shown,
When slip event triggers, further captures user and lift finger event MotionEvent.ACTION_UP, slided in user
When lifting operation after dynamic, the ordinate of desktop control at this time is directly saved in the array that location variable is locally stored
In position, wait for that reading this value again when next time restores is shown,
When closing control event triggering, the ordinate of position is saved in and is locally stored by position of the record control in screen
In the array position of location variable, wait for that reading this value again when next time restores is shown;
The ordinate default value is the coordinate in the upper left corner.
2. the method positioned after desktop lyrics movement as described in claim 1, it is characterised in that:In step 3, preset font
Size is following one of arbitrary:16dp, 18dp, 20dp;
Preset font color is following one of arbitrary:It is red, it is yellow, it is green, it is blue, it is purple;
Default font size is 18dp, and default font color is Huang.
3. the method positioned after desktop lyrics movement as described in claim 1, it is characterised in that:In step 4, the lyrics are drawn
When, in x-axis, on the basis of drawing the normal lyrics, extra 1 pixel is painted again with shade paintbrush setShadowPaint
System is primary, forms font shade.
4. the method positioned after desktop lyrics movement as described in claim 1, it is characterised in that:In step 5, specific steps are such as
Under:
Step 5.1, the lyrics are obtained, confirm whether the lyrics are effective;
Step 5.2, the serial number and content of the lyrics are obtained;
When lyrics serial number there are two it is above when, indicate the lyrics be divided to two rows or more to show, a lyrics serial number corresponds to a line lyrics, divide
Manage radix row and the even number line lyrics in other places;
Step 5.3, it sets and preserves painting canvas canvas.save ();
Step 5.4, the region for not playing the lyrics is accurately calculated, clipping region is set, the lyrics played are drawn in clipping region,
Preserve painting canvas;
Step 5.5, the region for not playing the lyrics is accurately calculated, another clipping region is set, is drawn in another clipping region normal
The lyrics, i.e., the lyrics not played preserve painting canvas;
Step 5.6, it repeats to draw the effect for showing shade.
5. the method positioned after desktop lyrics movement as claimed in claim 4, it is characterised in that:In step 5.1, if obtained
The lyrics be sky, just draw acquiescence content " searching for the lyrics ",
If the lyrics are invalid, the content " loading the lyrics " of acquiescence is just drawn.
6. the method positioned after desktop lyrics movement as claimed in claim 4, it is characterised in that:In step 5.2, for radix
Row or the even number line lyrics call the function measureText of the measurement textwidth of paintbrush, the length of returned text, note first
For the width sentenceLength of the lyrics,
The width for calculating the lyrics that according to paintbrush and lyrics content, can be taken is denoted as lyrics content sentenceContent,
Then, the width sentenceLength of the lyrics and screen width compare, exceed predetermined threshold value when, indicate when play into
Degree is more than screen width, needs rolling display of lyrics.
7. the method positioned after desktop lyrics movement as claimed in claim 6, it is characterised in that:Rolling display of lyrics, specifically
Steps are as follows:
When drafting at regular intervals, x coordinate successively decreases certain value, achievees the effect that rolling of turning left,
Or:
When drafting at regular intervals, x coordinate is incremented by certain value, achievees the effect that rolling of turning right,
Acquiescence is successively decreased or incremental value is 7 pixels.
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