public EntireTextBuilder addBackground(@ColorInt int bgColor,int start,int end){
  BackgroundHolder backgroundHolder=new BackgroundHolder(bgColor,start,end);
  mBackgrounds.add(backgroundHolder);
  return this;
}

public EntireTextBuilder addBackground ( @ ColorInt int bgColor , int start , int end ) { BackgroundHolder backgroundHolder = new BackgroundHolder ( bgColor , start , end ) ; mBackgrounds . add ( backgroundHolder ) ; return this ; }
add background to text .
