AppBaseActivity.java

package com.hrupin;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;

public abstract class AppBaseActivity extends Activity {
	public static final String FINISH_ALL_ACTIVITIES_ACTIVITY_ACTION = "com.hrupin.FINISH_ALL_ACTIVITIES_ACTIVITY_ACTION";
	private BaseActivityReceiver baseActivityReceiver = new BaseActivityReceiver();
	public static final IntentFilter INTENT_FILTER = createIntentFilter();
	
	private static IntentFilter createIntentFilter(){
		IntentFilter filter = new IntentFilter();
		filter.addAction(FINISH_ALL_ACTIVITIES_ACTIVITY_ACTION);
		return filter;
	}
	
	protected void registerBaseActivityReceiver() {
		registerReceiver(baseActivityReceiver, INTENT_FILTER);
	}
	
	protected void unRegisterBaseActivityReceiver() {
		unregisterReceiver(baseActivityReceiver);
	}
	
	public class BaseActivityReceiver extends BroadcastReceiver{
		@Override
		public void onReceive(Context context, Intent intent) {
			if(intent.getAction().equals(FINISH_ALL_ACTIVITIES_ACTIVITY_ACTION)){
				finish();
			}
		}
	} 
	
	protected void closeAllActivities(){
		sendBroadcast(new Intent(FINISH_ALL_ACTIVITIES_ACTIVITY_ACTION));
	}
}