Cleanup unused imports

src/main/AndroidManifest.xml

@@ -5,7 +5,6 @@
      So it won't ultimately be as empty as it might here appear to be :-) -->
 
 <!-- The package name here determines the package for your R class and your BuildConfig class -->
-<manifest
-    xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest>
     <application/>
 </manifest>

src/main/java/com/tearabite/ftctearabits/vision/BasicColorDetectionVisionProcessor.java

@@ -1,7 +1,6 @@
 package com.tearabite.ftctearabits.vision;
 
 import static com.tearabite.ftctearabits.graphics.LinePaint.WHITE;
-import static com.tearabite.ftctearabits.vision.Detection.PropertyScale.Pixels;
 import static com.tearabite.ftctearabits.vision.FTCColors.FTC_BLUE_RANGE;
 import static com.tearabite.ftctearabits.vision.FTCColors.FTC_RED_RANGE_1;
 import static com.tearabite.ftctearabits.vision.FTCColors.FTC_RED_RANGE_2;

src/main/java/com/tearabite/ftctearabits/vision/Constants.java

@@ -1,15 +0,0 @@
-package com.tearabite.ftctearabits.vision;
-
-import org.opencv.core.Scalar;
-
-public class Constants {
-    public static Scalar RED = new Scalar(255, 0, 0);
-    public static Scalar GREEN = new Scalar(0, 255, 0);
-    public static Scalar BLUE = new Scalar(0, 0, 255);
-    public static Scalar WHITE = new Scalar(255, 255, 255);
-    public static Scalar GRAY = new Scalar(80, 80, 80);
-    public static Scalar BLACK = new Scalar(0, 0, 0);
-    public static Scalar ORANGE = new Scalar(255, 165, 0);
-    public static Scalar YELLOW = new Scalar(255, 255, 0);
-    public static Scalar PURPLE = new Scalar(128, 0, 128);
-}

src/main/java/com/tearabite/ftctearabits/vision/FTCColors.java

@@ -1,7 +1,5 @@
 package com.tearabite.ftctearabits.vision;
 
-import android.graphics.Color;
-
 import org.opencv.core.Scalar;
 public class FTCColors {
     public static Scalar FTC_RED_LOWER = new Scalar(165, 80, 80);

src/main/java/com/tearabite/ftctearabits/vision/OpenCVUtil.java

@@ -12,54 +12,43 @@ import org.opencv.imgproc.Moments;
 import java.util.Collections;
 import java.util.List;
 
-// CV Helper Functions
 public class OpenCVUtil {
 
-    public static String telem = "nothing";
-
-    // Draw a point
     public static void drawPoint(Mat img, Point point, Scalar color) {
         Imgproc.circle(img, point, 3, color,  -1);
     }
 
-    // Get the center of a contour
     public static Point getCenterOfContour(MatOfPoint contour) {
         Moments moments = Imgproc.moments(contour);
         return new Point(moments.m10 / moments.m00, moments.m01/ moments.m00);
     }
 
-    // Get the bottom left of a contour
     public static Point getBottomLeftOfContour(MatOfPoint contour) {
         Rect boundingRect = Imgproc.boundingRect(contour);
         return new Point(boundingRect.x, boundingRect.y+boundingRect.height);
     }
 
-    // Get the bottom right of a contour
     public static Point getBottomRightOfContour(MatOfPoint contour) {
         Rect boundingRect = Imgproc.boundingRect(contour);
         return new Point(boundingRect.x+boundingRect.width, boundingRect.y+boundingRect.height);
     }
 
-    // Draw a contour
     public static void drawContour(Mat img, MatOfPoint contour, Scalar color) {
         Imgproc.drawContours(img, Collections.singletonList(contour), 0, color, 2);
     }
 
-    // Draw a convex hull around a contour
     public static void drawConvexHull(Mat img, MatOfPoint contour, Scalar color) {
         MatOfInt hull =  new MatOfInt();
         Imgproc.convexHull(contour, hull);
         Imgproc.drawContours(img, Collections.singletonList(convertIndexesToPoints(contour, hull)), 0, color, 2);
     }
 
-    // Draw a filled in convex hull around a contour
     public static void fillConvexHull(Mat img, MatOfPoint contour, Scalar color) {
         MatOfInt hull =  new MatOfInt();
         Imgproc.convexHull(contour, hull);
         Imgproc.drawContours(img, Collections.singletonList(convertIndexesToPoints(contour, hull)), 0, color, -1);
     }
 
-    // Convert indexes to points that is used in order to draw the contours
     public static MatOfPoint convertIndexesToPoints(MatOfPoint contour, MatOfInt indexes) {
         int[] arrIndex = indexes.toArray();
         Point[] arrContour = contour.toArray();
@@ -74,7 +63,6 @@ public class OpenCVUtil {
         return hull;
     }
 
-    // Get the largest contour out of a list
     public static MatOfPoint getLargestContour(List<MatOfPoint> contours) {
         if (contours.size() == 0) {
             return null;
@@ -82,7 +70,6 @@ public class OpenCVUtil {
         return getLargestContours(contours, 1).get(0);
     }
 
-    // Get the top largest contours
     public static List<MatOfPoint> getLargestContours(List<MatOfPoint> contours, int numContours) {
         Collections.sort(contours, (a, b) -> (int) Imgproc.contourArea(b) - (int) Imgproc.contourArea(a));
         return contours.subList(0, Math.min(numContours, contours.size()));