code: public void setScale(float x, float y, float z) {
          getTransform().setScale(x, y, z);
          if (mTransformCache.setScale(x, y, z)) {
              onTransformChanged();
          }
      }
docs: Set [X, Y, Z] current scale
  
  @param x
  Scaling factor on the 'X' axis.
  @param y
  Scaling factor on the 'Y' axis.
  @param z
  Scaling factor on the 'Z' axis.