diff options
Diffstat (limited to 'core/java/android')
| -rw-r--r-- | core/java/android/widget/EditorTouchState.java | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/core/java/android/widget/EditorTouchState.java b/core/java/android/widget/EditorTouchState.java index ff3ac0732aa2..9eb63087a66e 100644 --- a/core/java/android/widget/EditorTouchState.java +++ b/core/java/android/widget/EditorTouchState.java @@ -174,12 +174,9 @@ public class EditorTouchState { int touchSlop = config.getScaledTouchSlop(); mMovedEnoughForDrag = distanceSquared > touchSlop * touchSlop; if (mMovedEnoughForDrag) { - // If the direction of the swipe motion is within 30 degrees of vertical, it is - // considered a vertical drag. We don't actually have to compute the angle to - // implement the check though. When the angle is exactly 30 degrees from - // vertical, 2*deltaX = distance. When the angle is less than 30 degrees from - // vertical, 2*deltaX < distance. - mIsDragCloseToVertical = (4 * deltaXSquared) <= distanceSquared; + // If the direction of the swipe motion is within 45 degrees of vertical, it is + // considered a vertical drag. + mIsDragCloseToVertical = Math.abs(deltaX) <= Math.abs(deltaY); } } } else if (action == MotionEvent.ACTION_CANCEL) { |