ScannerFragment.kt: Better debug output for BOND_STATE_CHANGED broadcast.

app/src/main/java/de/ccc/events/badge/card10/scanner/ScannerFragment.kt

@@ -65,7 +65,9 @@ class ScannerFragment : Fragment() {
 
     val receiver = object : BroadcastReceiver() {
         override fun onReceive(context: Context, intent: Intent) {
-            System.out.println("===== onReceive " + intent)
+            val bondState = intent.extras!!.getInt(BluetoothDevice.EXTRA_BOND_STATE)
+            val device = intent.extras!!.getParcelable(BluetoothDevice.EXTRA_DEVICE) as BluetoothDevice?
+            System.out.println("=== onReceive ${intent.action} ${if (bondState == BluetoothDevice.BOND_NONE) "NONE" else if (bondState == BluetoothDevice.BOND_BONDING) "BONDING" else if (bondState == BluetoothDevice.BOND_BONDED) "BONDED" else bondState} ${device}")
             listAdapter.notifyDataSetChanged()
         }
     }