private void openAlert(View view) { AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MainActivity.this); alertDialogBuilder.setTitle(this.getTitle()+ " decision"); alertDialogBuilder.setMessage("Are you sure?"); // set positive button: Yes message alertDialogBuilder.setPositiveButton("Yes",new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog,int id) { // go to a new activity of the app Intent positveActivity = new Intent(getApplicationContext(), PositiveActivity.class); startActivity(positveActivity); } }); // set negative button: No message alertDialogBuilder.setNegativeButton("No",new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog,int id) { // cancel the alert box and put a Toast to the user dialog.cancel(); Toast.makeText(getApplicationContext(), "You chose a negative answer", Toast.LENGTH_LONG).show(); } }); // set neutral button: Exit the app message alertDialogBuilder.setNeutralButton("Exit the app",new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog,int id) { // exit the app and go to the HOME MainActivity.this.finish(); } }); AlertDialog alertDialog = alertDialogBuilder.create(); // show alert alertDialog.show(); }