[ Version ( since = "2.18" ) ]
public void add_buttons (...)
Adds more buttons, same as calling add_button repeatedly.
The variable argument list should be null-terminated as with InfoBar.with_buttons. Each button must have both text and response ID.
| this |
a InfoBar |
| ... |
response ID for first button, then more text-response_id pairs, ending with null |
| first_button_text |
button text or stock ID |