title: Declaring a global variable to use in all activities
body: <p>I am creating a custom class in main application class. Lets say My <code>mainAccount</code>.</p>
  
  <p>Now, i am creating many activities. I want to <code>mainAccount</code> variable in every activity, how can i do that? One way is to put in intent and pass to each activity. Is there any better way, like making it global etC?</p>
  
  <p>Best Regards</p>