public RoundingParams setCornersRadii(float[] radii) {
    Preconditions.checkNotNull(radii);
    Preconditions.checkArgument(radii.length == 8, "radii should have exactly 8 values");
    System.arraycopy(radii, 0, getOrCreateRoundedCornersRadii(), 0, 8);
    return this;
  }
Sets the rounded corners radii.

@param radii float array of 8 radii in pixels. Each corner receives two radius values [X, Y].
    The corners are ordered top-left, top-right, bottom-right, bottom-left.
@return modified instance
drawee/src/main/java/com/facebook/drawee/generic/RoundingParams.java