This application allows two Android devices to carry out
two-way text chat over Bluetooth. It demonstrates all the fundamental Bluetooth
API capabilites, such as:
  - Scanning for other Bluetooth devices
 
  - Querying the local Bluetooth adapter for paired Bluetooth devices
 
  - Establishing RFCOMM channels/sockets
 
  - Connecting to a remote device
 
  - Transfering data over Bluetooth
 
