java - How to change the imagebutton over another activity? -

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i have onclick method , when click on onclick change imagebutton in mainactivitiy.class

this onclick:

    public void onclick8 (view view) {         //here should go command change imagebutton in mainactivity.class         intent myintent = new intent(view.getcontext(), mainactivity.class);         startactivity(myintent);         finish();         mediaplayer mediaplayer = mediaplayer.create(zem13.this, r.raw.song);         mediaplayer.start();    }

if can please show code set in mainactivity.class , other activity.

use string references , set string activity , when came activity can change image if


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