CN108509106B - Method for positioning mobile desktop lyrics - Google Patents
Method for positioning mobile desktop lyrics Download PDFInfo
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- CN108509106B CN108509106B CN201810233091.1A CN201810233091A CN108509106B CN 108509106 B CN108509106 B CN 108509106B CN 201810233091 A CN201810233091 A CN 201810233091A CN 108509106 B CN108509106 B CN 108509106B
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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
Abstract
The invention relates to a method for positioning after movement of desktop lyrics, which comprises the following steps: step 1, creating a desktop lyric control DeskLyricView, and inheriting a basic control TextView; step 2, setting a Timer, inheriting a Timer type provided by an Android system, and defaulting to refresh lyrics once within 50 milliseconds; step 3, obtaining the preset font size and font color; step 4, defining a brush, wherein the brush comprises: front brush setFrontPAint, back brush setBackApint, shadow brush setShadowPaint; step 5, drawing lyrics; and 6, responding to the operation of the desktop lyric control DeskLyricView, wherein the method can support one-line or multi-line display of the lyrics, has the conventional function of the desktop lyrics, and has the advantages of quick response, accurate presentation interface, no jamming, no flicker and good user experience when the desktop lyrics are operated.
Description
Technical Field
The invention relates to the technical field of desktop lyric display, in particular to a method for positioning mobile desktop lyrics.
Background
When using music apps (music players), people like listening and watching lyrics, sometimes, apps cannot run in the foreground, but people still want to watch the lyrics, so that a desktop lyric function is generated to meet the use requirements of people.
The desktop lyric function displays the lyrics on the desktop by utilizing the permission of opening the floating window, when the App runs in the background, the lyrics can still be directly seen, and the lyrics are synchronously displayed along with the song in a rolling mode (the lyrics follow the playing progress). Thus, the desktop lyrics are a floating window function.
Along with the richness of the functions of the desktop lyrics, the styles such as fonts, word sizes, colors and the like can be changed, and the detail attributes such as transparency, display line number, color of played words and the like can be adjusted according to the requirements of users, so that the desktop lyrics can meet the personalized requirements.
Because the desktop lyrics are presented in the floating window, the interaction elements below the desktop lyrics are inevitably shielded, and therefore, the desktop lyrics support the moving position so as not to influence the use of the user. After the position of the desktop lyrics is moved, the problem of inaccurate position is easy to occur, which causes the situations of incomplete lyrics display, incorrect character color and the like, and influences the user experience, for example: when the lyrics go to the next line, the lyrics are all directly lightened, but are not lightened one by one according to the singing speed; the single-line lyrics are not bright at all, and the lyrics are directly switched; the lyrics of the double lines will light, but not light one by one; the position of the lyric card on the right side of the screen cannot be adjusted; the lyrics are not synchronized with the song, etc.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for positioning the moved desktop lyrics, which can support one-line or multi-line display of the lyrics and the conventional function of the desktop lyrics, and has the advantages of quick response, accurate interface presentation, no jamming, no flicker and good user experience when the desktop lyrics are operated.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a method for positioning after moving of desktop lyrics is characterized by comprising the following steps:
step 1, creating a desktop lyric control DeskLyricView, and inheriting a basic control TextView;
step 2, setting a Timer, inheriting a Timer type provided by an Android system, and defaulting to refresh lyrics once within 50 milliseconds;
step 3, obtaining the preset font size and font color;
step 4, defining a brush, wherein the brush comprises:
a front-located paintbrush setFrontPaint, used for drawing the color and font size of normal lyrics,
a post-positioned painting brush setBackPaint for painting the color and the font size of the played lyrics,
a shadow painting brush setShadowPaint for drawing a shadow set for the font;
step 5, drawing lyrics;
step 6, responding the operation of the desktop lyric control DeskLyricView, and specifically comprising the following steps:
the first scheme is as follows:
when the click event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the next recovery is carried out,
when the sliding event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the sliding event is recovered next time,
when the event of closing the control is triggered, recording the position of the control in a screen, storing the vertical coordinate of the position in an array position of a local storage position variable, and reading and displaying the value when the control is recovered next time;
the default value of the ordinate is the coordinate of the upper left corner;
scheme II:
when the click event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the next recovery is carried out,
when the sliding event is triggered, further capturing a user lifting finger event motion event, action _ UP, when the user lifts UP after sliding, directly saving the vertical coordinate of the desktop control at the moment into the array position of the local storage position variable, reading the value for displaying when the desktop control is recovered next time,
when the event of closing the control is triggered, recording the position of the control in a screen, storing the vertical coordinate of the position in an array position of a local storage position variable, and reading and displaying the value when the control is recovered next time;
the default value of the ordinate is the coordinate of the upper left corner.
On the basis of the above technical solution, in step 3, the preset font size is any one of the following: 16dp, 18dp, 20 dp;
the preset font color is any one of the following colors: red, yellow, green, blue, violet;
the default font size is 18dp and the default font color is yellow.
On the basis of the technical scheme, in the step 4, when the lyrics are drawn, on the x axis, on the basis of drawing normal lyrics, redundant 1 pixel point is drawn again by using a shadow painting brush setShadowPaint to form font shadow.
On the basis of the technical scheme, in the step 5, the specific steps are as follows:
step 5.1, obtaining the lyrics and confirming whether the lyrics are effective or not;
step 5.2, acquiring the sequence number and the content of the lyrics;
when the lyric serial number is more than two, the lyric is displayed by more than two lines, one lyric serial number corresponds to one line of lyrics, and the lyrics in the basic line and the even line are respectively processed;
step 5.3, setting and storing canvas.
Step 5.4, accurately calculating the area of the unplayed lyrics, setting a cutting area, drawing the played lyrics in the cutting area, and storing canvas;
step 5.5, accurately calculating the area of the lyrics which are not played, setting another cutting area, drawing normal lyrics in the other cutting area, namely the lyrics which are not played, and storing canvas;
and 5.6, repeatedly drawing the shadow effect.
On the basis of the above technical scheme, in step 5.1, if the acquired lyrics are empty, a default content of 'searching lyrics' is drawn,
if the lyrics are not valid, the default content "lyrics are loading" is drawn.
On the basis of the above technical scheme, in step 5.2, for the lyrics of the base line or the even line, firstly, a function measureText of a brush pen for measuring the text width is called, the length of the text is returned and is marked as the width sentenceLength of the lyrics,
calculating the width of the lyrics which can be taken according to the contents of the painting brush and the lyrics, and recording the width as the content sentenceContent of the lyrics,
then, the width sentenceLength of the lyrics is compared with the width of the screen, and when the width exceeds a preset threshold value, the fact that the lyrics need to be scrolled to display when the playing progress exceeds the width of the screen is indicated.
On the basis of the technical scheme, the lyrics are displayed in a rolling mode, and the method specifically comprises the following steps:
when the drawing is carried out at regular intervals, the x coordinate is decreased by a certain value to achieve the effect of rolling to the left,
or:
when the drawing is carried out at regular intervals, the x coordinate is increased by a certain value to achieve the effect of rolling to the right,
the default decremented or incremented value is 7 pixels.
The method for positioning the lyrics on the desktop after moving can support one-line or multi-line display of the lyrics, has the conventional function of the lyrics on the desktop, and has the advantages of quick response, accurate display interface, no jamming, no flicker and good user experience when operating the lyrics on the desktop.
Drawings
The invention has the following drawings:
FIG. 1 is a flow chart of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the method for positioning after moving the lyrics of the desktop according to the present invention comprises the following steps:
step 1, creating a desktop lyric control DeskLyricView, inheriting a basic control TextView,
the basic control TextView is provided for Android sdk, the TextView is used for displaying fonts, setting font size and color and the like, and the provided api can be used after the TextView is inherited, so that the fonts can be conveniently set and displayed;
step 2, setting a Timer, inheriting a Timer type provided by an Android system, and defaulting to refresh lyrics once within 50 milliseconds;
step 3, obtaining the preset font size and font color;
step 4, defining a brush, wherein the brush comprises:
a front-located paintbrush setFrontPaint, used for drawing the color and font size of normal lyrics,
a post-positioned painting brush setBackPaint for painting the color and the font size of the played lyrics,
a shadow painting brush setShadowPaint for drawing a shadow set for the font;
step 5, drawing lyrics;
step 6, responding the operation of the desktop lyric control DeskLyricView, and specifically comprising the following steps:
the first scheme is as follows:
when the click event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the next recovery is carried out,
when the sliding event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the sliding event is recovered next time,
when the event of closing the control is triggered, recording the position of the control in a screen, storing the vertical coordinate of the position in an array position of a local storage position variable, and reading and displaying the value when the control is recovered next time;
the default value of the ordinate is the coordinate of the upper left corner;
the first scheme has the disadvantages that the calculation is not accurate, and the phenomenon presented to the user is that after the user slides the desktop control, when the background of the desktop control disappears after the user lifts the finger for 5 seconds, the finger flicks in the vertical direction of the screen, so that the experience of the user is very poor, and the user flicks when the lifted position after sliding is inconsistent with the position of the calculation control in the screen to cause the reconstruction of an interface;
scheme II:
when the click event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the next recovery is carried out,
when the sliding event is triggered, further capturing a user lifting finger event motion event, action _ UP, when the user lifts UP after sliding, directly saving the vertical coordinate of the desktop control at the moment into the array position of the local storage position variable, reading the value for displaying when the desktop control is recovered next time,
when the event of closing the control is triggered, recording the position of the control in a screen, storing the vertical coordinate of the position in an array position of a local storage position variable, and reading and displaying the value when the control is recovered next time;
the default value of the ordinate is the coordinate of the upper left corner.
On the basis of the above technical solution, in step 3, the preset font size is any one of the following: 16dp, 18dp, 20 dp;
the preset font color is any one of the following colors: red, yellow, green, blue, violet;
the default font size is 18dp and the default font color is yellow.
The preset information is written into the configuration file so as to be called when in use.
On the basis of the technical scheme, in the step 4, when the lyrics are drawn, on the x axis, on the basis of drawing normal lyrics, redundant 1 pixel point is drawn again by using a shadow painting brush setShadowPaint to form font shadow.
On the basis of the technical scheme, in the step 5, the specific steps are as follows:
step 5.1, obtaining the lyrics and confirming whether the lyrics are effective or not;
step 5.2, acquiring the sequence number and the content of the lyrics;
when the lyric serial number is more than two, the lyric is displayed by more than two lines, one lyric serial number corresponds to one line of lyrics, and the lyrics in the basic line and the even line are respectively processed;
step 5.3, setting and storing canvas.
Step 5.4, accurately calculating the area of the unplayed lyrics, setting a cutting area, drawing the played lyrics in the cutting area, and storing canvas;
step 5.5, accurately calculating the area of the lyrics which are not played, setting another cutting area, drawing normal lyrics in the other cutting area, namely the lyrics which are not played, and storing canvas;
and 5.6, repeatedly drawing the shadow effect.
On the basis of the above technical scheme, in step 5.1, if the acquired lyrics are empty, a default content of 'searching lyrics' is drawn,
if the lyrics are not valid, the default content "lyrics are loading" is drawn.
The invalid lyrics means that the lyrics played currently are invalid.
On the basis of the above technical scheme, in step 5.2, for the lyrics of the base line or the even line, firstly, a function measureText of a brush pen for measuring the text width is called, the length of the text is returned and is marked as the width sentenceLength of the lyrics,
calculating the width of the lyrics which can be taken according to the contents of the painting brush and the lyrics, and recording the width as the content sentenceContent of the lyrics,
then, the width sentenceLength of the lyrics is compared with the width of the screen, and when the width exceeds a preset threshold value, the fact that the lyrics need to be scrolled to display when the playing progress exceeds the width of the screen is indicated.
On the basis of the technical scheme, the lyrics are displayed in a rolling mode, and the method specifically comprises the following steps:
when the drawing is carried out at regular intervals, the x coordinate is decreased by a certain value to achieve the effect of rolling to the left,
or:
when the drawing is carried out at regular intervals, the x coordinate is increased by a certain value to achieve the effect of rolling to the right,
the default decremented or incremented value is 7 pixels.
Those not described in detail in this specification are within the skill of the art.
Claims (5)
1. A method for positioning after moving of desktop lyrics is characterized by comprising the following steps:
step 1, creating a desktop lyric control DeskLyricView, and inheriting a basic control TextView;
step 2, setting a Timer, inheriting a Timer type provided by an Android system, and defaulting to refresh lyrics once within 50 milliseconds;
step 3, obtaining the preset font size and font color;
step 4, defining a brush, wherein the brush comprises:
a front-located paintbrush setFrontPaint, used for drawing the color and font size of normal lyrics,
a post-positioned painting brush setBackPaint for painting the color and the font size of the played lyrics,
a shadow painting brush setShadowPaint for drawing a shadow set for the font;
step 5, drawing lyrics; the method comprises the following specific steps:
step 5.1, obtaining the lyrics and confirming whether the lyrics are effective or not;
step 5.2, acquiring the sequence number and the content of the lyrics;
when the lyric serial number is more than two, the lyric is displayed by more than two lines, one lyric serial number corresponds to one line of lyrics, and the lyrics in the basic line and the even line are respectively processed;
step 5.3, setting and storing canvas.
Step 5.4, accurately calculating the area of the unplayed lyrics, setting a cutting area, drawing the played lyrics in the cutting area, and storing canvas;
step 5.5, accurately calculating the area of the lyrics which are not played, setting another cutting area, drawing normal lyrics in the other cutting area, namely the lyrics which are not played, and storing canvas;
step 5.6, repeatedly drawing the shadow display effect;
in step 5.2, aiming at the lyrics of the base row or the even row, firstly calling a function measureText of a brush pen for measuring the text width, returning the length of the text, and recording the length as the width sentenceLength of the lyrics,
calculating the width of the lyrics which can be taken according to the contents of the painting brush and the lyrics, and recording the width as the content sentenceContent of the lyrics,
then, comparing the width sentenceLength of the lyrics with the width of a screen, and when the width sentenceLength exceeds a preset threshold value, indicating that the lyrics need to be displayed in a rolling manner when the playing progress exceeds the width of the screen;
step 6, responding the operation of the desktop lyric control DeskLyricView, and specifically comprising the following steps:
the first scheme is as follows:
when the click event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the next recovery is carried out,
when the sliding event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the sliding event is recovered next time,
when the event of closing the control is triggered, recording the position of the control in a screen, storing the vertical coordinate of the position in an array position of a local storage position variable, and reading and displaying the value when the control is recovered next time;
the default value of the ordinate is the coordinate of the upper left corner;
scheme II:
when the click event is triggered, the position of the control in the screen is recorded, the vertical coordinate of the position is stored in the array position of the local storage position variable, the value is read for display when the next recovery is carried out,
when the sliding event is triggered, further capturing a user lifting finger event motion event, action _ UP, when the user lifts UP after sliding, directly saving the vertical coordinate of the desktop control at the moment into the array position of the local storage position variable, reading the value for displaying when the desktop control is recovered next time,
when the event of closing the control is triggered, recording the position of the control in a screen, storing the vertical coordinate of the position in an array position of a local storage position variable, and reading and displaying the value when the control is recovered next time;
the default value of the ordinate is the coordinate of the upper left corner.
2. The method of claim 1, wherein the method for post-movement positioning of the lyrics of the desktop comprises: in step 3, the preset font size is any one of the following: 16dp, 18dp, 20 dp;
the preset font color is any one of the following colors: red, yellow, green, blue, violet;
the default font size is 18dp and the default font color is yellow.
3. The method of claim 1, wherein the method for post-movement positioning of the lyrics of the desktop comprises: in step 4, when the lyrics are drawn, on the x axis, on the basis of drawing normal lyrics, redundant 1 pixel point is drawn again by using the shadow painting brush setShadowPoint to form font shadow.
4. The method of claim 1, wherein the method for post-movement positioning of the lyrics of the desktop comprises: in step 5.1, if the acquired lyrics are empty, a default content "searching lyrics" is drawn,
if the lyrics are not valid, the default content "lyrics are loading" is drawn.
5. The method of claim 1, wherein the method for post-movement positioning of the lyrics of the desktop comprises: the lyric is displayed in a rolling mode, and the specific steps are as follows:
when the drawing is carried out at regular intervals, the x coordinate is decreased by a certain value to achieve the effect of rolling to the left,
or:
when the drawing is carried out at regular intervals, the x coordinate is increased by a certain value to achieve the effect of rolling to the right,
the default decremented or incremented value is 7 pixels.
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| CN111597360B (en) * | 2020-05-15 | 2023-11-07 | 广州酷狗计算机科技有限公司 | Information display method, information display device, computer equipment and storage medium |
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| CN103903638A (en) * | 2012-12-30 | 2014-07-02 | 比亚迪股份有限公司 | Mobile terminal, and song playing method and song playing device thereof |
| CN105528176A (en) * | 2016-01-07 | 2016-04-27 | 广州飞傲电子科技有限公司 | Gesture operation based method for calling music playing list |
| CN106095467A (en) * | 2016-06-24 | 2016-11-09 | 珠海市魅族科技有限公司 | A kind of song information display packing and device |
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| CN107678645A (en) * | 2017-09-21 | 2018-02-09 | 咪咕音乐有限公司 | A kind of presentation of information processing method and processing device and storage medium |
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