Simple Event Bus

gistfile1.txt

package com.project.vegassms.helpers;
 
import java.io.Serializable;
import java.util.Observable;
 
import android.os.Handler;
import android.os.Looper;
 
import com.project.vegassms.Message;
 
public class MessageBus extends Observable {
	public static MessageBus sInstance = new MessageBus();
	private Handler mHandler = new Handler(Looper.getMainLooper());
	private MessageBus(){}
	
	public static class Command implements Serializable {
		private static final long serialVersionUID = 2666408433969266145L;
		public static final int NEW_MESSAGE = 1;
		public static final int UPDATED_MESSAGE = 2;
		public static final int DELETE_MESSAGE = 3;
		public static final int NEW_CALL = 4;
		public int mCommand;
		public Message mMessage;
		public Command(int command, Message message) {
			mCommand = command;
			mMessage = message;
		}
	}
	
	//Always post messages on the UI thread
	public void sendMessage(final Command command) {
		mHandler.post(new Runnable() {
			@Override
			public void run() {
				setChanged();
				notifyObservers(command);
			}
		});
	}
}