Merge branch 'main' of https://gitlab.fdmci.hva.nl/propedeuse-hbo-ict/onderwijs/2023-2024/out-a-se-ti/blok-4/muupooviixee66

code/src/Fitbot/app/src/main/java/com/example/fitbot/ui/activities/FitnessActivity.java

@@ -91,6 +91,7 @@ public class FitnessActivity extends RobotActivity implements RobotLifecycleCall
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        QiSDK.unregister(this,this);
+        QiSDK.unregister(this, this);
+        this.personalMotionPreviewElement.onDestroy();
     }
 }

code/src/Fitbot/app/src/main/java/com/example/fitbot/ui/components/PersonalMotionPreviewElement.java

@@ -94,6 +94,14 @@ public class PersonalMotionPreviewElement extends View {
         this.paths = exercise.getPath();
     }
 
+    public void onDestroy()
+    {
+        if ( this.motionProcessor != null )
+            this.motionProcessor.stopListening();
+
+        this.motionProcessor = null;
+    }
+
     /**
      * Function for providing a QiContext to the PersonalMotionPreviewElement.
      * This function will be called by the parent activity when the QiContext is available.

code/src/Fitbot/app/src/main/java/com/example/fitbot/util/processing/MotionProcessor.java

@@ -71,6 +71,9 @@ public class MotionProcessor {
     public void parsePacket(@NotNull String data) {
 
         try {
+
+            Log.i("MotionProcessor", "Received packet data: " + data);
+
             JsonElement json = JsonParser.parseString(data);
 
             if (!json.isJsonObject())
@@ -106,6 +109,7 @@ public class MotionProcessor {
             addMotionData(motionData);
         } catch (Exception e) {
             // Don't do anything ... just ignore the exception
+            Log.i("MotionProcessor", "Failed to parse packet data.");
         }
     }
 

code/src/Fitbot/app/src/main/java/com/example/fitbot/util/server/WebServer.java

@@ -6,6 +6,7 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
@@ -63,6 +64,7 @@ public class WebServer implements Runnable {
                 // Find a new connection
                 Socket newSocket = this.serverSocket.accept();
                 InputStream streamIn = newSocket.getInputStream();
+                OutputStream streamOut = newSocket.getOutputStream();
 
                 // Read the incoming data
                 BufferedReader reader = new BufferedReader(new InputStreamReader(streamIn));
@@ -71,7 +73,14 @@ public class WebServer implements Runnable {
                 while ((line = reader.readLine()) != null)
                     builder.append(line).append("\n");
 
+                // Send generic message back
+                streamOut.write("HTTP/1.1 200 OK\n".getBytes());
+                streamOut.write("Content-Type: text/html\n".getBytes());
+                streamOut.write("Connection: close\n".getBytes());
+
                 streamIn.close(); // Closes the reader, stream and socket connection.
+                streamOut.close();
+                newSocket.close();
 
                 String[] data = builder.toString().split("\n\n");