Merge pull request #897 from Bars107/bugfixing

Bugfixing

OsmAnd/src/net/osmand/plus/helpers/WaypointDialogHelper.java

@@ -188,8 +188,17 @@ public class WaypointDialogHelper implements OsmAndLocationListener {
 			}
 
 			protected void onPostExecute(Void result) {
+				if (isCancelled() || mapActivity == null){
+					return;
+				}
+
 				if (height > 0 && OVERLAP_LAYOUT) {
-					shiftButtons(height);
+					mapActivity.runOnUiThread(new Runnable() {
+						@Override
+						public void run() {
+							shiftButtons(height);
+						}
+					});
 				}
 			}
 		}.execute(reachedView);