Enable fling handling code. #553

mapbox · Nov 18, 2014 · 1e8db0b · 1e8db0b · ljbade · Nov 18, 2014
1 parent c02ea37
commit 1e8db0b
Showing 1 changed file with 17 additions and 19 deletions.
diff --git a/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java b/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java
@@ -679,25 +679,23 @@ public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
 
             // Fling the map
             // TODO Google Maps also has a rotate and zoom fling
-            // TODO does not work
-            /*
-             * float ease = 0.25f;
-             * 
-             * velocityX = velocityX * ease; velocityY = velocityY * ease;
-             * 
-             * double speed = Math.sqrt(velocityX * velocityX + velocityY *
-             * velocityY); double deceleration = 2500; double duration = speed /
-             * (deceleration * ease);
-             * 
-             * 
-             * // Cancel any animation mNativeMapView.cancelTransitions();
-             * 
-             * mNativeMapView.moveBy(velocityX * duration / 2.0 / mScreenDensity, velocityY *
-             * duration / 2.0 / mScreenDensity, duration);
-             * 
-             * return true;
-             */
-            return false;
+
+            float ease = 0.25f;
+
+            velocityX = velocityX * ease;
+            velocityY = velocityY * ease;
+
+            double speed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
+            double deceleration = 2500;
+            double duration = speed / (deceleration * ease);
+
+            // Cancel any animation
+            mNativeMapView.cancelTransitions();
+
+            mNativeMapView.moveBy(velocityX * duration / 2.0 / mScreenDensity, velocityY *
+                duration / 2.0 / mScreenDensity, duration);
+
+            return true;
         }
 
         // Called for drags