• If you want to add a Toast inside your Activity code then use this

       //Displays Toast for a short period of time

        Toast.makeText(getApplicationContext(),”Message you want to display”, Toast.LENGTH_SHORT).show();

        //Displays Toast for a longer period of time

{

 

Toast.makeText(con, msg, Toast.LENGTH_LONG).show();

}

Call this method from your activities to reuse the code. Here AppUtilities is the class name where our                                                                                                                    method is written.

AppUtilies.toasty(getApplicationContext(), “Please enter an email and password”);