question: public boolean thisDeviceSpeaksTo ( BluetoothDevice other ) throws NoSuchAlgorithmException , UnsupportedEncodingException { if ( MurmurService . USE_BACKOFF ) return true ; if ( other == null ) { log . info ( "This device not speaking to peer, peer is null" ) ; return false ; } String otherAddr = other . getAddress ( ) ; if ( otherAddr == null ) { log . info ( "This device not speaking to peer :" + other + ", peer address is null" ) ; return false ; } String myAddr = mBluetoothSpeaker . getAddress ( ) ; if ( myAddr . equals ( whichInitiates ( myAddr , otherAddr ) ) ) { return true ; } else { return false ; } }
target:  Check whether this device should start an exchange with the other device or allow that device to start an exchange, based on their addresses.