When you’re invited to join a room, Hangouts Chat sends you a notification. You can preview the room and see its message history before you join.
At the top left, a red number indicates how many new rooms you've been invited to.
- Open the Chat app .
- At the bottom, tap Rooms .
The rooms you're invited to appear at the top of the list.
- Tap Add Browse rooms.
- Add or preview a room:
- To join a room, tap Add .
- To preview a room, tap the room name.
- If you join a room, tap New to start a new conversation.
Preview the room
When you preview a room, you can read messages, but you can't participate in the discussion and won't receive notifications. To join the room, tap Join in the preview.