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Android语音声波控件 Android条形波控件

2019年07月24日  | 移动技术网IT编程  | 我要评论

郑板桥擅长画什么,什么时候是情人节,泰宁火车站

许久不来 , 冒个泡 , 发一个刚做的声音波动的view吧 :

代码不多 , 没什么技术含量 , 权当给您省时间了 , 直接复制粘贴就能用 , 直接上代码:

soundwavesview

/**
 * 语音通话的声波控件
 * created by mr.longface on 2017/9/16.
 */
public class soundwavesview extends view {

  private int mmini; // 最短值
  private int mmax; // 最大值
  private int mlinewidth; // 每条声波的宽度
  private int msoundnum = 5; // 声波的数量
  private int mspac; // 每条声波的中点
  private int mwidth , mheight; // 控件宽高
  private boolean isrun = false;

  private paint mpaint;
  private rectf mrectf;
  private list<soundline> msoundlist = new arraylist<>();
  private handler mhandler = new handler();
  private runnable minvalidaterun = new runnable() {
    @override
    public void run() {
      postinvalidate();
    }
  };

  public soundwavesview(context context, @nullable attributeset attrs) {
    super(context, attrs);
    mpaint = new paint();
    mpaint.setantialias(true);
    mpaint.setcolor(getresources().getcolor(r.color.color_red));
    mpaint.setstyle(paint.style.fill);
    mrectf = new rectf();
  }

  @override
  protected void onmeasure(int widthmeasurespec, int heightmeasurespec) {
    super.onmeasure(widthmeasurespec, heightmeasurespec);
    if (widthmeasurespec > 0 && heightmeasurespec > 0) {
      initparam();
    }
  }

  private void initparam() {
    mwidth = getwidth();
    mheight = getheight();
    mmini = (int) (mheight * 0.3f);
    mmax = mheight;
    initlines();
  }

  @override
  protected void ondraw(canvas canvas) {
    super.ondraw(canvas);
    for (int i = 0; i < msoundnum; i++) {
      soundline sound = msoundlist.get(i);
      mrectf.left = sound.left;
      mrectf.right = sound.right;
      mrectf.top = sound.top;
      mrectf.bottom = sound.bottom;
      canvas.drawroundrect(mrectf , mlinewidth / 2 , mlinewidth / 2 , mpaint);
    }
    if (isrun) {
      mhandler.postdelayed(minvalidaterun, 10);
    }
  }

  @override
  protected void onvisibilitychanged(@nonnull view changedview, int visibility) {
    super.onvisibilitychanged(changedview, visibility);
    if (isrun) {
      if (visibility == visible) {
        if (mwidth == 0) {
          initparam();
        }
        if (msoundlist != null && msoundlist.size() > 0) {
          for (soundline soundline : msoundlist) {
            soundline.start();
          }
        }
      }else{
        if (msoundlist != null && msoundlist.size() > 0) {
          for (soundline soundline : msoundlist) {
            soundline.stop();
          }
        }
      }
    }
  }

  public void start() {
    if (!isrun) {
      isrun = true;
      for (soundline sound : msoundlist) {
        sound.start();
      }
      postinvalidate();
    }
  }

  public void stop(){
    if (isrun) {
      isrun = false;
      for (soundline sound : msoundlist) {
        sound.stop();
      }
    }
  }

  private void initlines() {
    mlinewidth = (int) (mwidth / msoundnum * 0.7f);
    mspac = mwidth / (msoundnum - 1);
    msoundlist.clear();
    chaos();
  }

  /**
   * 生成凌乱的
   */
  private void chaos() {
    for (int i = 0; i < msoundnum; i++) {
      int left = i * mspac - mlinewidth / 2;
      int right = i * mspac + mlinewidth / 2;
      soundline s = new soundline(left , right , 0 , mheight);
      s.setmode(soundline.speed_ran);
      s.setborder(mmini , mmax);
      msoundlist.add(s);
    }
  }

  /**
   * 生成波浪的
   */
  private void wave(){
    // todo 防止ui抽风
  }

  /**
   * 生成有序的
   */
  private void order(){
    // todo 防止ui抽风
  }
}

soundline

/**
 * 语音音频波纹的单个音波属性
 * created by mr.longface on 2017/9/16.
 */
public class soundline implements valueanimator.animatorupdatelistener{

  // 低 中 高 随机 4挡
  public static final int speed_low = 500;
  public static final int speed_mid = 200;
  public static final int speed_hei = 0;
  public static final int speed_ran = 0;

  private random mrandom;
  private valueanimator manim;

  public int left , right , top , bottom;
  private int min , max;

  public soundline(int left , int right , int top , int bottom){
    this.left = left;
    this.right = right;
    this.top = top;
    this.bottom = bottom;
    mrandom = new random();
    initanim();
  }

  private void initanim() {
    manim = valueanimator.offloat(0.0f , 1.0f);
    setmode(speed_mid);
    manim.setrepeatcount(-1);
    manim.setrepeatmode(valueanimator.reverse);
    manim.addupdatelistener(this);
  }

  public void setmode(int mode){
    if (mode == speed_ran) {
      mode = mrandom.nextint(400);
    }
    manim.setduration(300 + mode);
  }

  public void start(){
    if (manim.isrunning()){
      manim.end();
    }
    manim.start();
  }

  @override
  public void onanimationupdate(valueanimator valueanimator) {
    float f = (float) valueanimator.getanimatedvalue();
    top = (int) (f * (max - min) / 2);
    bottom = max - top;
  }

  public void setborder(int min, int max) {
    this.min = min;
    this.max = max;
  }

  public void stop() {
    manim.end();
    manim.cancel();
  }
}

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