jsyjst
7 years ago
parent
eccd8b4301
commit
6c7b150b13
@ -0,0 +1,29 @@
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<component name="ProjectCodeStyleConfiguration">
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<code_scheme name="Project" version="173">
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<Objective-C-extensions>
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<file>
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<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
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<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
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<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
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<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
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</file>
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||||
<class>
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<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
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||||
<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
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<option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
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</class>
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<extensions>
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||||
<pair source="cpp" header="h" fileNamingConvention="NONE" />
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<pair source="c" header="h" fileNamingConvention="NONE" />
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</extensions>
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</Objective-C-extensions>
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</code_scheme>
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</component>
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@ -0,0 +1,49 @@
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package com.example.musicplayer.entiy;
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/**
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* <pre>
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* author : 残渊
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* time : 2019/03/18
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* desc : 歌词实体类
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* </pre>
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*/
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public class LrcBean {
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private String lrc;
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private long start;
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private long end;
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public LrcBean() {
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}
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public LrcBean(String text, long start, long end) {
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this.lrc = text;
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this.start = start;
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this.end = end;
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}
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public String getLrc() {
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return lrc;
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}
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public void setLrc(String lrc) {
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this.lrc = lrc;
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}
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public long getStart() {
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return start;
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}
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public void setStart(long start) {
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this.start = start;
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}
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public long getEnd() {
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return end;
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}
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public void setEnd(long end) {
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this.end = end;
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}
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}
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@ -0,0 +1,90 @@
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package com.example.musicplayer.util;
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import com.example.musicplayer.entiy.LrcBean;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* <pre>
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* author : 残渊
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* time : 2019/03/18
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* desc : 歌词工具类
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* </pre>
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*/
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public class LrcUtil {
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/**
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* 传入的参数为标准歌词字符串
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*
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* @param lrcStr
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* @return
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*/
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public static List<LrcBean> parseStr2List(String lrcStr) {
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List<LrcBean> list = new ArrayList<>();
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String lrcText = lrcStr.replaceAll(":", ":")
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.replaceAll("'", "'")
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.replaceAll(" ", "\n")
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.replaceAll(".", ".")
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.replaceAll(" ", " ")
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.replaceAll("-", "-")
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.replaceAll(" ", "\r")
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.replaceAll("'", "'");
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String[] split = lrcText.split("\n");
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for (int i = 4; i < split.length; i++) {
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String lrc = split[i];
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if (lrc.contains(".")) {
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String min = lrc.substring(lrc.indexOf("[") + 1, lrc.indexOf("[") + 3);
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String seconds = lrc.substring(lrc.indexOf(":") + 1, lrc.indexOf(":") + 3);
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String mills = lrc.substring(lrc.indexOf(".") + 1, lrc.indexOf(".") + 3);
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long startTime = Long.valueOf(min) * 60 * 1000 + Long.valueOf(seconds) * 1000 + Long.valueOf(mills) * 10;
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String text = lrc.substring(lrc.indexOf("]") + 1);
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if (text.equals("") || text == null) continue;
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if (i == 5) {
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int first = text.indexOf("(");
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int second = text.indexOf("(", first + 1);
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String textFront = null;
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String textBehind = null;
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boolean isTwo = true;
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boolean isOne = true;
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try {
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textFront = text.substring(0, first);
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}catch (StringIndexOutOfBoundsException e){
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isOne = false;
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}
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try {
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textBehind = text.substring(first + 1, second);
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} catch (StringIndexOutOfBoundsException e) {
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isTwo = false;
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}
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LrcBean lrcBean1 = new LrcBean();
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lrcBean1.setStart(startTime);
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if(isOne) {
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lrcBean1.setLrc(textFront);
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} else {
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lrcBean1.setLrc(text);
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}
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list.add(lrcBean1);
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if (isTwo) {
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LrcBean lrcBean2 = new LrcBean();
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lrcBean2.setStart(startTime);
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lrcBean2.setLrc(textBehind);
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list.add(lrcBean2);
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}
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} else {
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LrcBean lrcBean = new LrcBean();
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lrcBean.setStart(startTime);
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lrcBean.setLrc(text);
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list.add(lrcBean);
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}
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if (list.size() > 1) {
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list.get(list.size() - 2).setEnd(startTime);
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}
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if (i == split.length - 1) {
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list.get(list.size() - 1).setEnd(startTime + 100000);
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}
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}
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}
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return list;
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}
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}
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@ -0,0 +1,194 @@
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package com.example.musicplayer.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.media.MediaPlayer;
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import android.util.AttributeSet;
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import android.view.View;
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import com.example.musicplayer.R;
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import com.example.musicplayer.entiy.LrcBean;
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import com.example.musicplayer.util.LrcUtil;
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import java.util.List;
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/**
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* <pre>
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* author : 残渊
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* time : 2019/03/18
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* desc : 自定义歌词界面
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* </pre>
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*/
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public class LrcView extends View {
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private List<LrcBean> list;
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private Paint gPaint;
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private Paint hPaint;
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private int width = 0, height = 0;
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private int currentPosition = 0;
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private MediaPlayer player;
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private int lastPosition = 0;
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private int highLineColor;
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private int lrcTextSize;
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private int lrcColor;
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private int mode = 0;
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public final static int KARAOKE = 1;
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public void setHighLineColor(int highLineColor) {
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this.highLineColor = highLineColor;
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}
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public void setLrcColor(int lrcColor) {
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this.lrcColor = lrcColor;
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}
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public void setMode(int mode) {
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this.mode = mode;
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}
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public void setPlayer(MediaPlayer player) {
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this.player = player;
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}
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/**
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* 标准歌词字符串
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*
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* @param lrc
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*/
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public void setLrc(String lrc) {
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list = LrcUtil.parseStr2List(lrc);
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}
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public LrcView(Context context) {
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this(context, null);
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}
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public LrcView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public LrcView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.LrcView);
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highLineColor = ta.getColor(R.styleable.LrcView_hignLineColor, getResources().getColor(R.color.green));
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lrcColor = ta.getColor(R.styleable.LrcView_lrcColor, getResources().getColor(android.R.color.darker_gray));
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float densityText = getResources().getDisplayMetrics().scaledDensity;
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lrcTextSize = ta.getDimensionPixelSize(R.styleable.LrcView_lrcTextSize,(int)(16*densityText));
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mode = ta.getInt(R.styleable.LrcView_lrcMode,mode);
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ta.recycle();
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gPaint = new Paint();
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gPaint.setAntiAlias(true);
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gPaint.setColor(lrcColor);
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gPaint.setTextSize(lrcTextSize);
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gPaint.setTextAlign(Paint.Align.CENTER);
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hPaint = new Paint();
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hPaint.setAntiAlias(true);
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hPaint.setColor(highLineColor);
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hPaint.setTextSize(lrcTextSize);
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hPaint.setTextAlign(Paint.Align.CENTER);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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if (width == 0 || height == 0) {
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width = getMeasuredWidth();
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height = getMeasuredHeight();
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}
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if (list == null || list.size() == 0) {
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canvas.drawText("暂无歌词", width / 2, height / 2, gPaint);
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return;
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}
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getCurrentPosition();
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int currentMillis = player.getCurrentPosition();
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drawLrc2(canvas, currentMillis);
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long start = list.get(currentPosition).getStart();
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float v = (currentMillis - start) > 500 ? currentPosition * 120 : lastPosition * 120 + (currentPosition - lastPosition) * 120 * ((currentMillis - start) / 500f);
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setScrollY((int) v);
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if (getScrollY() == currentPosition * 120) {
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lastPosition = currentPosition;
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}
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postInvalidateDelayed(100);
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}
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private void drawLrc2(Canvas canvas, int currentMillis) {
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if (mode == 0) {
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for (int i = 0; i < list.size(); i++) {
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if (i == currentPosition) {
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canvas.drawText(list.get(i).getLrc(), width / 2, height / 2 + 120 * i, hPaint);
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} else {
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canvas.drawText(list.get(i).getLrc(), width / 2, height / 2 + 120 * i, gPaint);
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}
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}
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}else{
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for (int i = 0; i < list.size(); i++) {
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canvas.drawText(list.get(i).getLrc(), width / 2, height / 2 + 80 * i, gPaint);
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}
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String highLineLrc = list.get(currentPosition).getLrc();
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int highLineWidth = (int) gPaint.measureText(highLineLrc);
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int leftOffset = (width - highLineWidth) / 2;
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LrcBean lrcBean = list.get(currentPosition);
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long start = lrcBean.getStart();
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long end = lrcBean.getEnd();
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int i = (int) ((currentMillis - start) * 1.0f / (end - start) * highLineWidth);
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if (i > 0) {
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Bitmap textBitmap = Bitmap.createBitmap(i, 80, Bitmap.Config.ARGB_8888);
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Canvas textCanvas = new Canvas(textBitmap);
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textCanvas.drawText(highLineLrc, highLineWidth / 2, 80, hPaint);
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canvas.drawBitmap(textBitmap, leftOffset, height / 2 + 80 * (currentPosition - 1), null);
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}
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}
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}
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public void init() {
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currentPosition = 0;
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lastPosition = 0;
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setScrollY(0);
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invalidate();
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}
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private void drawLrc1(Canvas canvas) {
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String text = list.get(currentPosition).getLrc();
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canvas.drawText(text, width / 2, height / 2, hPaint);
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for (int i = 1; i < 10; i++) {
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int index = currentPosition - i;
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if (index > -1) {
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canvas.drawText(list.get(index).getLrc(), width / 2, height / 2 - 100 * i, gPaint);
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}
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}
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for (int i = 1; i < 10; i++) {
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int index = currentPosition + i;
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if (index < list.size()) {
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canvas.drawText(list.get(index).getLrc(), width / 2, height / 2 + 100 * i, gPaint);
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}
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}
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}
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private void getCurrentPosition() {
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try {
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int currentMillis = player.getCurrentPosition();
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if (currentMillis < list.get(0).getStart()) {
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currentPosition = 0;
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return;
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}
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if (currentMillis > list.get(list.size() - 1).getStart()) {
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currentPosition = list.size() - 1;
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return;
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}
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for (int i = 0; i < list.size(); i++) {
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if (currentMillis >= list.get(i).getStart() && currentMillis < list.get(i).getEnd()) {
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currentPosition = i;
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return;
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}
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}
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} catch (Exception e) {
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postInvalidateDelayed(100);
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}
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}
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}
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