public boolean equals(Object o) {
	  	
	      if (this == o) return true;
	      if (!(o instanceof DistanceFilter)) return false;
	      DistanceFilter other = (DistanceFilter) o;

	      if (this.distance != other.distance ||
	      		this.lat != other.lat ||
	      		this.lng != other.lng ||
	      		!this.latField.equals(other.latField) ||
	      		!this.lngField.equals(other.lngField)) {
	      	return false;
	      }
	      return true;
	  }