YipChat

YipChat is new style of chat room. you can create your chat room and let the people join and then allow them to subscribe it for receiving notification about the room activity, it just like group chat but you can see the online users on the room.
Features:
- The global room is everyone who connected with YipChat, they will enter the global room. so you can find who is online users on real time.
- Not only text message, you also can send the emoji, picture, and audio for messaging.
- Send invitation for new friend, after that you chat with her privately.
- Invite your friend to join your room.
- Add more your profile picture, to let them see your cool things.
- Using the Firebase. to make the chat message moving so fast and no delay.
- No need refresh action, because it's using real time data synchronization techniques