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path: root/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java
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Diffstat (limited to 'platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java')
-rw-r--r--platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java11
1 files changed, 9 insertions, 2 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java
index 4120e164a4..9d7d980ae3 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java
@@ -235,8 +235,10 @@ final class MapGestureDetector {
velocityTracker = null;
break;
case MotionEvent.ACTION_MOVE:
- velocityTracker.addMovement(event);
- velocityTracker.computeCurrentVelocity(1000);
+ if (velocityTracker != null) {
+ velocityTracker.addMovement(event);
+ velocityTracker.computeCurrentVelocity(1000);
+ }
break;
}
@@ -551,6 +553,11 @@ final class MapGestureDetector {
// Called when fingers leave screen
@Override
public void onScaleEnd(final ScaleGestureDetector detector) {
+ if (velocityTracker == null) {
+ return;
+ }
+
+
if (rotateGestureOccurred || quickZoom) {
reset();
return;