How to use

onMeasure

method

in

android.view.SurfaceView

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  mRenderMeasure.doMeasure(widthMeasureSpec, heightMeasureSpec);
  setMeasuredDimension(mRenderMeasure.getMeasureWidth(),mRenderMeasure.getMeasureHeight());
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  if (!measureBasedOnAspectRatio) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    notifyOnSizeChangeListener(getMeasuredWidth(), getMeasuredHeight());
    return;

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
   super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  // TODO Auto-generated method stub
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    float ratio = 1f * size.height / size.width;
    int width = MeasureSpec.getSize(widthMeasureSpec);
    int height = (int) (width / ratio);
    int wms = MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY);
    int hms = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);
    super.onMeasure(wms, hms);
  }
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  widthMeasureSpec = View.MeasureSpec.makeMeasureSpec((int) bgLength, View.MeasureSpec.EXACTLY);
  heightMeasureSpec = View.MeasureSpec.makeMeasureSpec((int) bgLength, View.MeasureSpec.EXACTLY);
  setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  viewWidth = getWidth();
  viewHeight = getHeight();
}

@SuppressLint("NewApi")
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  if (isUserSize) {
    doMeasure(widthMeasureSpec, heightMeasureSpec);
    setMeasuredDimension(mMeasuredWidth, mMeasuredHeight);
    setCameraDistance(0.5f);
  } else {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  int width = 0;
  int height = 0;
  try {
    InputStream inputStream = getContext().getAssets().open(path);
    mMovie = Movie.decodeStream(inputStream);
    width = mMovie.width();
    height = mMovie.height();
    mHandler.post(r);
  } catch(IOException e) {
    e.printStackTrace();
  }
  setMeasuredDimension((int)(width*zoom),(int)(height*zoom));
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  //直接控制Span为正方形
  int width = Math.min(getMeasuredWidth(), getMeasuredHeight());
  mPadding = getPaddingLeft();
  //直径
  mRadius = width - mPadding * 2;
  //设置中心点
  mCenter = width / 2;
  //设置成正方形
  setMeasuredDimension(width, width);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  this.mWidth = getMeasuredWidth();
  this.mHeight = getMeasuredHeight();
  mSpriteManager = SpriteManager.getInstance();
  mSpriteManager.init(mContext,mWidth,mHeight);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  mHeight = getMeasuredHeight();
  mWidth = getMeasuredWidth();
  spriteManager = SpriteManager.getInstance();
  spriteManager.init(context,mWidth,mHeight);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  if (mVARM.getAspectRatio() > 0 && mAspectRatioMode == ASPECT_RATIO_PREVIEW) {
    mVARM.measure(widthMeasureSpec, heightMeasureSpec);
    setMeasuredDimension(mVARM.getMeasuredWidth(), mVARM.getMeasuredHeight());
  } else {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  if (mVARM.getAspectRatio() > 0 && mAspectRatioMode == ASPECT_RATIO_PREVIEW) {
    mVARM.measure(widthMeasureSpec, heightMeasureSpec);
    setMeasuredDimension(mVARM.getMeasuredWidth(), mVARM.getMeasuredHeight());
  } else {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  }
}