I'm able to create Interactive post by using sample example, as below.
Intent shareIntent = new PlusShare.Builder()
.setType("text/plain")
.setText("Welcome to the G+ platform.")
.getIntent();
startActivityForResult(shareIntent, 0);
when the activity starts it shows up window where user have to press share button manually. Is there any way to post directly to Google plus stream by adding default recipients(Public/to circle) without asking user to press Share button.