1 files changed, 17 insertions, 5 deletions
diff --git a/platform_tools/android/apps/skar_java/src/main/java/com/google/ar/core/examples/java/helloskar/HelloSkARActivity.java b/platform_tools/android/apps/skar_java/src/main/java/com/google/ar/core/examples/java/helloskar/HelloSkARActivity.java
index d8161c7979..56b46017e7 100644
--- a/platform_tools/android/apps/skar_java/src/main/java/com/google/ar/core/examples/java/helloskar/HelloSkARActivity.java
+++ b/platform_tools/android/apps/skar_java/src/main/java/com/google/ar/core/examples/java/helloskar/HelloSkARActivity.java
@@ -104,6 +104,7 @@ public class HelloSkARActivity extends AppCompatActivity implements GLSurfaceVie
     // 2D Renderer
     private DrawManager drawManager = new DrawManager();
     private DrawingType currentDrawabletype = DrawingType.circle;
+    private boolean drawSmoothPainting = false;
 
     // Temporary matrix allocated here to reduce number of allocations for each frame.
     private final float[] anchorMatrix = new float[16];
@@ -384,6 +385,10 @@ public class HelloSkARActivity extends AppCompatActivity implements GLSurfaceVie
                             PointF distance = new PointF(point[0] - previousEvent.x,
                                                          point[2] - previousEvent.y);
 
+                            if (distance.length() < 0.05f) {
+                                continue;
+                            }
+
                             // New point is distance + old point
                             PointF p = new PointF(distance.x * localDistanceScale
                                                    + drawManager.fingerPainting.previousPoint.x,
@@ -466,24 +471,25 @@ public class HelloSkARActivity extends AppCompatActivity implements GLSurfaceVie
             switch (currentDrawabletype) {
                 case circle:
                     drawManager.drawCircle(canvas);
-                    return;
+                    break;
                 case rect:
                     drawManager.drawRect(canvas);
-                    return;
+                    break;
                 case animation:
                     drawManager.drawAnimatedRoundRect(canvas, radius);
-                    return;
+                    break;
                 case text:
                     drawManager.drawText(canvas, "Android");
-                    return;
+                    break;
                 default:
                     drawManager.drawCircle(canvas);
-                    return;
+                    break;
             }
         }
     }
 
     private void drawFingerPainting(Canvas canvas) {
+        drawManager.fingerPainting.setSmoothness(drawSmoothPainting);
         drawManager.drawFingerPainting(canvas);
     }
 
@@ -499,6 +505,12 @@ public class HelloSkARActivity extends AppCompatActivity implements GLSurfaceVie
             case R.id.reset_paint:
                 drawManager.fingerPainting.reset();
                 return true;
+            case R.id.smooth_paint:
+                drawSmoothPainting = true;
+                return true;
+            case R.id.rough_paint:
+                drawSmoothPainting = false;
+                return true;
             case R.id.draw_circle:
                 currentDrawabletype = DrawingType.circle;
                 return true;