alarmManager

            /*
            The following is the code for setting up the alarm
            */

            //use alarm manager to time new event everyday
            Intent in = new Intent(application_context,ProfileChanger.class);
            PendingIntent pin = PendingIntent.getBroadcast(application_context, 0, in, 0);

            Calendar cal = Calendar.getInstance();
            String[] time = someEvent.getTime().split(":");
            cal.set(Calendar.HOUR, Integer.parseInt(time[0]));
            cal.set(Calendar.MINUTE, Integer.parseInt(time[1]));

            alarm.setRepeating(AlarmManager.ELAPSED_REALTIME,
            cal.getTimeInMillis(),AlarmManager.INTERVAL_DAY, pin);

            /*
            Here's my class which responds when the alarm goes off
            It's in a class which extends BroadcastReciever, here's my onRecieve Method
            */
            public void onReceive(Context arg0, Intent arg1) {
                //This toast is never displayed
                Toast.makeText(arg0, "Hello World", Toast.LENGTH_LONG).show();

                arg0.getSystemService(Context.AUDIO_SERVICE);
                profileChanger = new Sound(am);

                String event_type;
                event_type = arg1.getStringExtra("event_type");
                if (event_type.equals("Lecture")){
                    profileChanger.silent();
                }
                else if(event_type.equals("Tutorial")){
                    profileChanger.vibrate();
                }
                else if(event_type.equals("Other")){
                    profileChanger.vibrate();
                }