package com.auto.lyric.widgets;
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import android.app.Activity;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Typeface;
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import android.media.MediaPlayer;
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import android.os.Bundle;
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import android.os.Handler;
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import android.util.AttributeSet;
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import android.widget.TextView;
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import com.auto.lyric.R;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 歌词
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* Created by Runt (qingingrunt2010@qq.com) on 2022/4/30.
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*/
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public class LyricView extends androidx.appcompat.widget.AppCompatTextView {
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private Paint mPaint;
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private float mX;
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private Paint mPathPaint;
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public int index = 0;
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private List<Sentence> list;
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public float mTouchHistoryY;
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private int mY;
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private float middleY;//
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private static final int DY = 40; //
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public LyricView(Context context) {
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super(context);
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init();
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}
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public LyricView(Context context, AttributeSet attr) {
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super(context, attr);
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init();
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}
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public LyricView(Context context, AttributeSet attr, int i) {
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super(context, attr, i);
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init();
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}
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private void init() {
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setFocusable(true);
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if(list==null){
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list=new ArrayList<Sentence>();
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Sentence sen=new Sentence(0," ");
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list.add(0, sen);
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}
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//
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mPaint = new Paint();
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mPaint.setAntiAlias(true);
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mPaint.setTextSize(24);
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mPaint.setColor(Color.BLACK);
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mPaint.setAlpha(80);
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mPaint.setTypeface(Typeface.SERIF);
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//
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mPathPaint = new Paint();
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mPathPaint.setAntiAlias(true);
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mPathPaint.setColor(Color.RED);
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mPathPaint.setTextSize(24);
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mPathPaint.setTypeface(Typeface.SANS_SERIF);
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}
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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canvas.drawColor(0xEFeffff);
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Paint p = mPaint;
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Paint p2 = mPathPaint;
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p.setTextAlign(Paint.Align.LEFT);
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if (index == -1)
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return;
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p2.setTextAlign(Paint.Align.LEFT);
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//
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canvas.drawText(list.get(index).getName(), mX, middleY, p2);
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float tempY = middleY;
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//
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for (int i = index - 1; i >= 0; i--) {
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tempY = tempY - DY;
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if (tempY < 0) {
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break;
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}
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canvas.drawText(list.get(i).getName(), mX, tempY, p);
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}
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tempY = middleY;
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//
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for (int i = index + 1; i < list.size(); i++) {
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//
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tempY = tempY + DY;
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if (tempY > mY) {
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break;
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}
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canvas.drawText(list.get(i).getName(), mX, tempY, p);
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}
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}
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protected void onSizeChanged(int w, int h, int ow, int oh) {
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super.onSizeChanged(w, h, ow, oh);
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mX = w * 0.3f;
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mY = h;
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middleY = h * 0.5f;
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}
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public long updateIndex(int index) {
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if (index == -1)
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return -1;
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this.index=index;
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return index;
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}
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public List<Sentence> getList() {
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return list;
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}
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public void setList(List<Sentence> list) {
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this.list = list;
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}
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public void updateUI(){
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new Thread(new updateThread()).start();
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}
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class updateThread implements Runnable {
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long time = 300;
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int i=0;
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public void run() {
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while (true) {
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long sleeptime = updateIndex(i);
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time += sleeptime;
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mHandler.post(mUpdateResults);
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if (sleeptime == -1)
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return;
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try {
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Thread.sleep(time);
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i++;
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if(i==getList().size())
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{
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i=0;
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time = 300;
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}
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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}
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Handler mHandler = new Handler();
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Runnable mUpdateResults = new Runnable() {
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public void run() {
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invalidate(); //
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}
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};
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}
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