Develop a simple chat with a choice of podkluchenie via Bluetooth, USB or TCP/IP. How best to organize the interface so it looked natural for the platform? The sequence of user actions is the following: select the type of connection (MainActivity), configure the connection for the selected type (for example, choose a bluetooth device for pairing (BtConnectionActivity)), to enter in chat (ChatActivity)
Interface to the MainActivity so far
but I think it looks somehow clumsy. Are there any standards/recommendations?