@Override
  public void setRadius(float radius) {
    Preconditions.checkArgument(radius >= 0, "radius should be non negative");
    Arrays.fill(mRadii, radius);
    updatePath();
    invalidateSelf();
  }
Sets the rounding radius.

@param radius
drawee/src/main/java/com/facebook/drawee/drawable/RoundedColorDrawable.java