question: @ SuppressWarnings ( "unused" ) private void log ( String label , ByteBuffer buffer ) { StringBuilder sb = new StringBuilder ( ) ; sb . append ( label ) ; sb . append ( " " ) ; sb . append ( buffer . get ( 0 ) ) ; sb . append ( " | " ) ; for ( int x = 0 ; x < 64 ; x ++ ) { sb . append ( String . format ( "%02X" , ( int ) ( buffer . get ( x ) & 0xFF ) ) ) ; sb . append ( " " ) ; } mLog . debug ( sb . toString ( ) ) ; }
target:  Convenience logger for debugging read/write operations