Context singleton

package com.droidsans.photo.droidphoto;

import android.app.Application;
import android.content.Context;

public class BaseApplication extends Application {
	private static Context context;

	@Override
	public void onCreate() {
		super.onCreate();
		getContext();
	}
	
	public static Context getContext() {
	  if(context == null) 
		  context = getApplicationContext();
		return context;
	}
}

GlobalSocket

public static boolean globalEmit(String event, JSONObject obj){
  ...
  
  Context context = BaseApplication.getContext();
  obj.put("_token", context.getSharedPreferences(context.getString(R.string.userdata), Context.MODE_PRIVATE).getString(context.getString(R.string.token), ""));
}