Add comments, logging, empty lines

Change-Id: Ife81ec74b36f71782997219e36ac926ea429c297

android/sdremote/src/org/libreoffice/impressremote/SelectorActivity.java

@@ -183,6 +183,8 @@ public class SelectorActivity extends SherlockActivity {
     }
 
     void doBindService() {
+        // This is what creates the first (only?) CommunicationService instance
+        // and calls its run() method (in another thread).
         Intent aIntent = new Intent(this, CommunicationService.class);
         startService(aIntent);
         bindService(aIntent, mConnection, Context.BIND_IMPORTANT);

android/sdremote/src/org/libreoffice/impressremote/communication/BluetoothClient.java

@@ -36,6 +36,9 @@ public class BluetoothClient extends Client {
                     Receiver aReceiver, boolean aBluetoothWasEnabled)
                     throws IOException {
         super(aServer, aCommunicationService, aReceiver);
+
+        Log.i(Globals.TAG, "BluetoothClient(" + aServer + ")");
+
         mAdapter = BluetoothAdapter.getDefaultAdapter();
         mBluetoothWasEnabled = aBluetoothWasEnabled;
         if (!mBluetoothWasEnabled) {
@@ -45,18 +48,21 @@ public class BluetoothClient extends Client {
         BluetoothDevice aDevice = mAdapter
                         .getRemoteDevice(aServer.getAddress());
         mAdapter.cancelDiscovery();
+
         // This is the "standard UUID for the Serial Port Profile".
         // I.e. the 16-bit SerialPort UUID 0x1101 inserted into the
         // Bluetooth BASE_UUID. See
         // https://www.bluetooth.org/Technical/AssignedNumbers/service_discovery.htm
         mSocket = aDevice.createRfcommSocketToServiceRecord(UUID
                         .fromString("00001101-0000-1000-8000-00805F9B34FB"));
+
         mSocket.connect();
         Log.i(Globals.TAG, "BluetoothClient: connected");
 
         mInputStream = mSocket.getInputStream();
         mReader = new BufferedReader(new InputStreamReader(mInputStream,
                         CHARSET));
+
         mOutputStream = mSocket.getOutputStream();
 
         String aTemp = mReader.readLine();

android/sdremote/src/org/libreoffice/impressremote/communication/Server.java

@@ -53,6 +53,9 @@ public class Server {
         return mTimeDiscovered;
     }
 
+    public String toString() {
+        return getClass().getName() + '@' + Integer.toHexString(hashCode()) + ":{" + mAddress + "," + mName + "}";
+    }
 }
 
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