setOnClickListener Intent

imageButton = (ImageButton) findViewById(R.id.addButton);
        imageButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
               /* Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();*/
                Intent i = new Intent(getBaseContext(), FicheDevoir.class);
                 //i.putExtra("PersonID", "tutu");
                //startActivity(i);
                startActivityForResult(i, CHILD_ACTIVITY_CODE);
            }
        });