Change variables which never should change to 'final'

src/protect/babymonitor/DiscoverActivity.java

@@ -82,9 +82,9 @@ public class DiscoverActivity extends Activity
             public void onItemClick(AdapterView<?> parent, View view,
                     int position, long id)
             {
-                ServiceInfoWrapper info = (ServiceInfoWrapper) parent.getItemAtPosition(position);
+                final ServiceInfoWrapper info = (ServiceInfoWrapper) parent.getItemAtPosition(position);
-                Intent i = new Intent(getApplicationContext(), ListenActivity.class);
+                final Intent i = new Intent(getApplicationContext(), ListenActivity.class);
-                Bundle b = new Bundle();
+                final Bundle b = new Bundle();
                 b.putString("address", info.getAddress());
                 b.putInt("port", info.getPort());
                 b.putString("name", info.getName());

src/protect/babymonitor/ListenActivity.java

@@ -39,14 +39,14 @@ public class ListenActivity extends Activity
     String _name;
 
     Thread _listenThread;
-    private void streamAudio(Socket socket) throws IllegalArgumentException, IllegalStateException, IOException
+    private void streamAudio(final Socket socket) throws IllegalArgumentException, IllegalStateException, IOException
     {
         Log.i(TAG, "Setting up stream");
 
-        int frequency = 11025;
+        final int frequency = 11025;
-        int channelConfiguration = AudioFormat.CHANNEL_OUT_MONO;
+        final int channelConfiguration = AudioFormat.CHANNEL_OUT_MONO;
-        int audioEncoding = AudioFormat.ENCODING_PCM_16BIT;
+        final int audioEncoding = AudioFormat.ENCODING_PCM_16BIT;
-        int bufferSize = AudioTrack.getMinBufferSize(frequency, channelConfiguration, audioEncoding);
+        final int bufferSize = AudioTrack.getMinBufferSize(frequency, channelConfiguration, audioEncoding);
 
         final AudioTrack audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC,
                 frequency,
@@ -57,14 +57,14 @@ public class ListenActivity extends Activity
 
         setVolumeControlStream(AudioManager.STREAM_MUSIC);
 
-        InputStream is = socket.getInputStream();
+        final InputStream is = socket.getInputStream();
         int read = 0;
 
         audioTrack.play();
 
         try
         {
-            byte [] buffer = new byte[bufferSize*2];
+            final byte [] buffer = new byte[bufferSize*2];
 
             while(socket.isConnected() && read != -1 && Thread.currentThread().isInterrupted() == false)
             {
@@ -88,7 +88,7 @@ public class ListenActivity extends Activity
     {
         super.onCreate(savedInstanceState);
 
-        Bundle b = getIntent().getExtras();
+        final Bundle b = getIntent().getExtras();
         _address = b.getString("address");
         _port = b.getInt("port");
         _name = b.getString("name");
@@ -115,7 +115,7 @@ public class ListenActivity extends Activity
             {
                 try
                 {
-                    Socket socket = new Socket(_address, _port);
+                    final Socket socket = new Socket(_address, _port);
                     streamAudio(socket);
                 }
                 catch (UnknownHostException e)

src/protect/babymonitor/MonitorActivity.java

@@ -56,30 +56,30 @@ public class MonitorActivity extends Activity
             }
         });
 
-        int frequency = 11025;
+        final int frequency = 11025;
-        int channelConfiguration = AudioFormat.CHANNEL_IN_MONO;
+        final int channelConfiguration = AudioFormat.CHANNEL_IN_MONO;
-        int audioEncoding = AudioFormat.ENCODING_PCM_16BIT;
+        final int audioEncoding = AudioFormat.ENCODING_PCM_16BIT;
 
-        int bufferSize = AudioRecord.getMinBufferSize(frequency, channelConfiguration, audioEncoding);
+        final int bufferSize = AudioRecord.getMinBufferSize(frequency, channelConfiguration, audioEncoding);
-        AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC,
+        final AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC,
                 frequency, channelConfiguration,
                 audioEncoding, bufferSize);
 
         final int byteBufferSize = bufferSize*2;
-        byte[] buffer = new byte[bufferSize*2];
+        final byte[] buffer = new byte[bufferSize*2];
 
         try
         {
             audioRecord.startRecording();
 
-            OutputStream out = socket.getOutputStream();
+            final OutputStream out = socket.getOutputStream();
 
             socket.setSendBufferSize(byteBufferSize);
             Log.d(TAG, "Socket send buffer size: " + socket.getSendBufferSize());
 
             while (socket.isConnected() && Thread.currentThread().isInterrupted() == false)
             {
-                int read = audioRecord.read(buffer, 0, bufferSize);
+                final int read = audioRecord.read(buffer, 0, bufferSize);
                 out.write(buffer, 0, read);
             }
         }
@@ -114,7 +114,7 @@ public class MonitorActivity extends Activity
                         serverSocket = new ServerSocket(0);
 
                         // Store the chosen port.
-                        int localPort = serverSocket.getLocalPort();
+                        final int localPort = serverSocket.getLocalPort();
 
                         // Register the service so that parent devices can
                         // locate the child device
@@ -202,9 +202,9 @@ public class MonitorActivity extends Activity
         return super.onOptionsItemSelected(item);
     }
 
-    private void registerService(int port)
+    private void registerService(final int port)
     {
-        NsdServiceInfo serviceInfo  = new NsdServiceInfo();
+        final NsdServiceInfo serviceInfo  = new NsdServiceInfo();
         serviceInfo.setServiceName("ProtectBabyMonitor");
         serviceInfo.setServiceType("_babymonitor._tcp.");
         serviceInfo.setPort(port);