change(perfomance): remove unnecessary setStates
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ee6f662dfd
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c912e00c07
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@ -295,41 +295,6 @@ class _CardSwiperState extends State<CardSwiper>
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}
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}
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}
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}
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//moves the card away to the left or right
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void _swipeHorizontal(BuildContext context) {
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setState(() {
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_swipeType = SwipeType.swipe;
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_leftAnimation = Tween<double>(
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begin: _left,
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end: (_left == 0)
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? (widget.direction == CardSwiperDirection.right)
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? MediaQuery.of(context).size.width
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: -MediaQuery.of(context).size.width
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: (_left > widget.threshold)
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? MediaQuery.of(context).size.width
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: -MediaQuery.of(context).size.width,
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).animate(_animationController);
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_topAnimation = Tween<double>(
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begin: _top,
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end: _top + _top,
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).animate(_animationController);
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_scaleAnimation = Tween<double>(
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begin: _scale,
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end: 1.0,
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).animate(_animationController);
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_differenceAnimation = Tween<double>(
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begin: _difference,
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end: 0,
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).animate(_animationController);
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});
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if (_left > widget.threshold ||
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_left == 0 && widget.direction == CardSwiperDirection.right) {
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detectedDirection = CardSwiperDirection.right;
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} else {
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detectedDirection = CardSwiperDirection.left;
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}
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}
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void _swipe(BuildContext context, CardSwiperDirection direction) {
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void _swipe(BuildContext context, CardSwiperDirection direction) {
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if (widget.cards.isEmpty) return;
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if (widget.cards.isEmpty) return;
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@ -356,10 +321,42 @@ class _CardSwiperState extends State<CardSwiper>
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_animationController.forward();
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_animationController.forward();
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}
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}
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//moves the card away to the left or right
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void _swipeHorizontal(BuildContext context) {
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_leftAnimation = Tween<double>(
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begin: _left,
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end: (_left == 0)
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? (widget.direction == CardSwiperDirection.right)
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? MediaQuery.of(context).size.width
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: -MediaQuery.of(context).size.width
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: (_left > widget.threshold)
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? MediaQuery.of(context).size.width
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: -MediaQuery.of(context).size.width,
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).animate(_animationController);
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_topAnimation = Tween<double>(
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begin: _top,
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end: _top + _top,
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).animate(_animationController);
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_scaleAnimation = Tween<double>(
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begin: _scale,
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end: 1.0,
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).animate(_animationController);
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_differenceAnimation = Tween<double>(
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begin: _difference,
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end: 0,
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).animate(_animationController);
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_swipeType = SwipeType.swipe;
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if (_left > widget.threshold ||
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_left == 0 && widget.direction == CardSwiperDirection.right) {
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detectedDirection = CardSwiperDirection.right;
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} else {
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detectedDirection = CardSwiperDirection.left;
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}
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}
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//moves the card away to the top or bottom
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//moves the card away to the top or bottom
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void _swipeVertical(BuildContext context) {
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void _swipeVertical(BuildContext context) {
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setState(() {
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_swipeType = SwipeType.swipe;
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_leftAnimation = Tween<double>(
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_leftAnimation = Tween<double>(
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begin: _left,
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begin: _left,
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end: _left + _left,
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end: _left + _left,
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@ -382,7 +379,8 @@ class _CardSwiperState extends State<CardSwiper>
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begin: _difference,
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begin: _difference,
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end: 0,
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end: 0,
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).animate(_animationController);
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).animate(_animationController);
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});
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_swipeType = SwipeType.swipe;
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if (_top > widget.threshold ||
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if (_top > widget.threshold ||
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_top == 0 && widget.direction == CardSwiperDirection.bottom) {
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_top == 0 && widget.direction == CardSwiperDirection.bottom) {
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detectedDirection = CardSwiperDirection.bottom;
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detectedDirection = CardSwiperDirection.bottom;
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@ -393,8 +391,6 @@ class _CardSwiperState extends State<CardSwiper>
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//moves the card back to starting position
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//moves the card back to starting position
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void _goBack(BuildContext context) {
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void _goBack(BuildContext context) {
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setState(() {
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_swipeType = SwipeType.back;
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_leftAnimation = Tween<double>(
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_leftAnimation = Tween<double>(
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begin: _left,
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begin: _left,
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end: 0,
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end: 0,
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@ -411,6 +407,7 @@ class _CardSwiperState extends State<CardSwiper>
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begin: _difference,
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begin: _difference,
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end: 40,
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end: 40,
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).animate(_animationController);
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).animate(_animationController);
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});
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_swipeType = SwipeType.back;
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}
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}
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}
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}
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