/** * 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 }
}

/** * 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();
}
}