OTTO in android

AndroidOTTOBusHelper

import com.squareup.otto.Bus;

public class OttoBusHelper {

	    private static Bus _currentBus;
	 
	    public OttoBusHelper()
	    {
	    }
	 
	    public static Bus getCurrentBus()
	    {
	    	if(_currentBus==null){
	    		_currentBus=new Bus();
	    	}
	        return _currentBus;
	    }
}

EventAbstract.java

/**
 * @see http://nick.perfectedz.com/otto-event-system/
 */
public abstract class AbstractEvent
{
    private Enum _type;
 
    protected AbstractEvent(Enum type)
    {
        this._type = type;
    }
 
    public Enum getType()
    {
        return this._type;
    }
}

OnEvent.java

public class OnEvent extends AbstractEvent{
	private Item _Item;
	private Type _type; 
		
	public enum Type
    {       
     SAVE,DELETE   
    }

	public OnFinishAddElectrodomesticos(Type type,Item item) {
		super(type);
		this._type=type;
		this._item = item;
	}	
	
	
	public Item getElectrodomestico() {
		return _item;
	}
	

}

UsageOTTO.java

////SENDER 
       OttoBusHelper.getCurrentBus().post(new OnEvent(OnEvent.Type.SAVE ,newItem));

////RECEIVER
       @Override
	public void onResume() {
		OttoBusHelper.getCurrentBus().register(this);
		super.onResume();
	}
	
	@Override
	public void onPause() {
		OttoBusHelper.getCurrentBus().unregister(this);
		super.onPause();
	}

        @Subscribe
	public void updateResultsInUi(OnEvent event) {
		Item electItem=event.getItem();
		ItemHandlerImpl.getInstance(getActivity()).insertItem(electItem);
		listChanged(electItem);
		
	}