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Fix for Issue #2 #3

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Fix for Issue #2 #3

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15 changes: 10 additions & 5 deletions lib/swipe_card.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,9 @@ class SwipeCardState extends State<SwipeCard> with SingleTickerProviderStateMixi
onHorizontalDragUpdate: _handleHorizontalDragUpdate,
onHorizontalDragEnd: _handleHorizontalDragEnd,
child: new Transform(
transform: _isDragging ? _computeManualTransformMatrix() : _computeAnimatedTransformMatrix(),
transform: _isDragging
? _computeManualTransformMatrix()
: _computeAnimatedTransformMatrix(),
child: widget.child,
// origin: Offset.,
alignment: Alignment.center,
Expand Down Expand Up @@ -174,7 +176,8 @@ class SwipeCardState extends State<SwipeCard> with SingleTickerProviderStateMixi
int animationDuration = 500;
// Avoid dividing by 0.
if (dragVelocity.abs() > 1.0) {
animationDuration = (1000.0 * (widget.animationDistance - _dragValue.abs()) / dragVelocity.abs()).round();
animationDuration =
(1000.0 * (widget.animationDistance - _dragValue.abs()) / dragVelocity.abs()).round();
}

// Make sure the animation is not too slow.
Expand All @@ -194,7 +197,8 @@ class SwipeCardState extends State<SwipeCard> with SingleTickerProviderStateMixi
}

bool _validateSwipe(final double dragVelocity) {
return _dragValue.abs() >= widget.minDragDistanceToValidate || dragVelocity.abs() > widget.minDragVelocityToValidate;
return _dragValue.abs() >= widget.minDragDistanceToValidate ||
dragVelocity.abs() > widget.minDragVelocityToValidate;
}

void _setStateIfValid(VoidCallback callback) {
Expand All @@ -220,8 +224,9 @@ class CardsDeck {
/// When building the layout it's usually enough to draw the 2 cards on the top of the deck. See [topTwoCards].
List<SwipeCard> allCards() => _cards;

/// Returns the 2 cards on the top of the deck.
List<SwipeCard> topTwoCards() => _cards.sublist(_cards.length - 2, _cards.length);
/// Returns the 2 cards if available otherwise the existing cards on the top of the deck.
List<SwipeCard> topTwoCards() =>
_cards.sublist((_cards.length > 1) ? (_cards.length - 2) : 0, _cards.length);

/// Add a card on top of the deck (the top card is the visible one).
addTop(SwipeCard card) {
Expand Down