public void onUpdateFromCloseToPeek(float percentage){
  if (!isVisible())   return;
  mHeightPx=Math.round(mDefaultHeightPx);
}

public void onUpdateFromCloseToPeek ( float percentage ) { if ( ! isVisible ( ) ) return ; mHeightPx = Math . round ( mDefaultHeightPx ) ; }
interpolates the ui from states closed to peeked .
