From b285d6ed6cc49cb1fa3cb584ea9295a3da3832b2 Mon Sep 17 00:00:00 2001
From: Peter Osterlund <peterosterlund2@gmail.com>
Date: Sun, 12 Oct 2014 00:23:15 +0000
Subject: [PATCH] DroidFish: Fixed problem that could cause the second tap when
 making a move to be ignored.

---
 DroidFish/src/org/petero/droidfish/DroidFish.java | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/DroidFish/src/org/petero/droidfish/DroidFish.java b/DroidFish/src/org/petero/droidfish/DroidFish.java
index 4905395..d1e6365 100644
--- a/DroidFish/src/org/petero/droidfish/DroidFish.java
+++ b/DroidFish/src/org/petero/droidfish/DroidFish.java
@@ -759,7 +759,7 @@ public class DroidFish extends Activity implements GUIInterface {
                 if ((scrollSensitivity > 0) && (cb.sqSize > 0)) {
                     scrollX += distanceX;
                     scrollY += distanceY;
-                    float scrollUnit = cb.sqSize * scrollSensitivity;
+                    final float scrollUnit = cb.sqSize * scrollSensitivity;
                     if (Math.abs(scrollX) >= Math.abs(scrollY)) {
                         // Undo/redo
                         int nRedo = 0, nUndo = 0;
@@ -794,10 +794,11 @@ public class DroidFish extends Activity implements GUIInterface {
                             varDelta--;
                             scrollY += scrollUnit;
                         }
-                        if (varDelta != 0)
+                        if (varDelta != 0) {
                             scrollX = 0;
-                        ctrl.changeVariation(varDelta);
-                        return varDelta > 0;
+                            ctrl.changeVariation(varDelta);
+                        }
+                        return varDelta != 0;
                     }
                 }
                 return false;