Added SportPreviewActivity and SportPreviewCanvas

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

@@ -12,9 +12,6 @@ public class SportPreviewActivity extends RobotActivity implements RobotLifecycl
 
     }
 
-    @Override
-
-
     @Override
     public void onRobotFocusLost() {
 

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

@@ -4,19 +4,41 @@ import android.content.Context;
 import android.graphics.Canvas;
 import android.view.View;
 
+import com.example.fitbot.util.processing.GesturePath;
+import com.example.fitbot.util.processing.MotionProcessor;
+
 public class SportPreviewCanvas extends View {
 
+    private GesturePath path;
+    private double pathTime = 0.0D; // The timestamp at which the path is currently at.
+    private MotionProcessor motionProcessor;
 
-    private void calculatePath
+    /**
+     * Method that recalculates the path that will be drawn on the
+     * screen.
+     */
+    private void calculateDrawingPath() {
+
+    }
 
 
     public SportPreviewCanvas(Context context, GesturePath path) {
         super(context);
+        this.path = path;
+        this.motionProcessor = new MotionProcessor();
+        this.motionProcessor.startListening();
+
+        // Add the event handler
+        this.motionProcessor.setMotionDataEventHandler((processed, preprocessed, sampleIndex, sampleRate) -> {
+            calculateDrawingPath();
+        });
     }
 
     @Override
     public void onDraw(Canvas canvas) {
         // Draw the sport preview canvas
 
+
+
     }
 }

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

@@ -9,7 +9,6 @@ import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
 public class MotionProcessor {
@@ -20,7 +19,7 @@ public class MotionProcessor {
     private final List<Vector3> relativePath = new ArrayList<>(); // Relative path of the motion data
     private Vector3 ZERO = new Vector3(0, 0, 0);
     private double sampleRate = 1.0D; // samples/second
-    private Consumer<Vector3> motionDataConsumer = (data) -> {};
+    private DataConsumer motionDataConsumer = (p1, p2, p3, p4) -> {};
     private GesturePath path;
     private WebSocket socket;
 
@@ -108,7 +107,7 @@ public class MotionProcessor {
         Vector3 previous = this.relativePath.isEmpty() ? ZERO : this.relativePath.get(this.relativePath.size() - 1);
         Vector3 relativeVector = getRelativeVector(data).add(previous);
         this.relativePath.add(relativeVector);
-        motionDataConsumer.accept(relativeVector);
+        motionDataConsumer.accept(relativeVector, data, this.relativePath.size(), this.sampleRate);
     }
 
     /**
@@ -125,7 +124,7 @@ public class MotionProcessor {
      * Function for setting the motion data receiver.
      * @param consumer The consumer to set.
      */
-    public void setMotionDataEventHandler(Consumer<Vector3> consumer) {
+    public void setMotionDataEventHandler(DataConsumer consumer) {
         if ( consumer != null)
             this.motionDataConsumer = consumer;
     }
@@ -241,6 +240,20 @@ public class MotionProcessor {
         Log.i("MotionProcessor", "Path length: " + relativePath.size());
         Log.i("MotionProcessor", "Sample rate: " + sampleRate);
         Log.i("MotionProcessor", "Calibration point: " + ZERO.toString());
+    }
 
+    /**
+     * Interface that accepts motion data and the transformed vector.
+     */
+    public interface DataConsumer {
+
+        /**
+         * Function for accepting motion data and the transformed vector.
+         * @param transformedVector The transformed vector.
+         * @param motionData The input motion data.
+         * @param sampleIndex The index of the current sample
+         * @param sampleRate The sample rate.
+         */
+        void accept(Vector3 transformedVector, MotionData motionData, int sampleIndex, double sampleRate);
     }
 }