CardStackView
yuyakaido
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CardStackView

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Overview

Overview

Contents

Setup

val cardStackView = findViewById<CardStackView>(R.id.card_stack_view)
cardStackView.layoutManager = CardStackLayoutManager()
cardStackView.adapter = CardStackAdapter()

Features

Manual Swipe

ManualSwipe

Automatic Swipe

AutomaticSwipe

CardStackView.swipe()

You can set custom swipe animation.

val setting = SwipeAnimationSetting.Builder()
        .setDirection(Direction.Right)
        .setDuration(Duration.Normal.duration)
        .setInterpolator(AccelerateInterpolator())
        .build()
CardStackLayoutManager.setSwipeAnimationSetting(setting)
CardStackView.swipe()

Cancel

Manual swipe is canceled when the card is dragged less than threshold.

Cancel

Rewind

Rewind

CardStackView.rewind()

You can set custom rewind animation.

val setting = RewindAnimationSetting.Builder()
        .setDirection(Direction.Bottom)
        .setDuration(Duration.Normal.duration)
        .setInterpolator(DecelerateInterpolator())
        .build()
CardStackLayoutManager.setRewindAnimationSetting(setting)
CardStackView.rewind()

Overlay View

Value Sample
Left Overlay-Left
Right Overlay-Right

Put overlay view in your item layout of RecyclerView.

<FrameLayout
    android:id="@+id/left_overlay"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <!-- Set your left overlay -->

</FrameLayout>
Value Layout ID
Left left_overlay
Right right_overlay
Top top_overlay
Bottom bottom_overlay

Overlay Interpolator

You can set own interpolator to define the rate of change of alpha.

CardStackLayoutManager.setOverlayInterpolator(LinearInterpolator())

Paging

You can implement paging by using following two ways.

  1. Use DiffUtil.
  2. Call RecyclerView.Adapter.notifyItemRangeInserted manually.

Caution

You should NOT call RecyclerView.Adapter.notifyDataSetChanged for paging because this method will reset top position and maybe occur a perfomance issue.

Reloading

You can implement reloading by calling RecyclerView.Adapter.notifyDataSetChanged.

Stack From

Default Value Sample
None StackFrom-None
Top StackFrom-Top
Bottom StackFrom-Bottom
Left StackFrom-Left
Right StackFrom-Right
CardStackLayoutManager.setStackFrom(StackFrom.None)

Visible Count

Default Value Sample
2 VisibleCount-2
3 VisibleCount-3
4 VisibleCount-4
CardStackLayoutManager.setVisibleCount(3)

Translation Interval

Default Value Sample
4dp TranslationInterval-4dp
8dp TranslationInterval-8dp
12dp TranslationInterval-12dp
CardStackLayoutManager.setTranslationInterval(8.0f)

Scale Interval

Default Value Sample
95% ScaleInterval-95%
90% ScaleInterval-90%
CardStackLayoutManager.setScaleInterval(0.95f)

Max Degree

Default Value Sample
20° MaxDegree-20
MaxDegree-0
CardStackLayoutManager.setMaxDegree(20.0f)

Swipe Direction

Default Value Sample
Horizontal SwipeDirection-Horizontal
Vertical SwipeDirection-Vertical
Freedom SwipeDirection-Freedom
CardStackLayoutManager.setDirections(Direction.HORIZONTAL)

Swipe Threshold

Default Value Sample
30% SwipeThreshold-30%
10% SwipeThreshold-10%
CardStackLayoutManager.setSwipeThreshold(0.3f)

Swipe Restriction

CanScrollHorizontal CanScrollVertical Sample
true true SwipeRestriction-NoRestriction
true false SwipeRestriction-CanScrollHorizontalOnly
false true SwipeRestriction-CanScrollVerticalOnly
false false SwipeRestriction-CannotSwipe
CardStackLayoutManager.setCanScrollHorizontal(true)
CardStackLayoutManager.setCanScrollVertical(true)

Swipeable Method

Default Value Sample
AutomaticAndManual SwipeableMethod-AutomaticAndManual
Automatic SwipwableMethod-Automatic
Manual SwipwableMethod-Manual
None SwipwableMethod-None
CardStackLayoutManager.setSwipeableMethod(SwipeableMethod.AutomaticAndManual)

Public Interfaces

Basic usages

Method Description
CardStackView.swipe() You can swipe once by calling this method.
CardStackView.rewind() You can rewind once by calling this method.
CardStackLayoutManager.getTopPosition() You can get position displayed on top.
CardStackLayoutManager.setStackFrom(StackFrom stackFrom) You can set StackFrom.
CardStackLayoutManager.setTranslationInterval(float translationInterval) You can set TranslationInterval.
CardStackLayoutManager.setScaleInterval(float scaleInterval) You can set ScaleInterval.
CardStackLayoutManager.setSwipeThreshold(float swipeThreshold) You can set SwipeThreshold.
CardStackLayoutManager.setMaxDegree(float maxDegree) You can set MaxDegree.
CardStackLayoutManager.setDirections(List directions) You can set Direction.
CardStackLayoutManager.setCanScrollHorizontal(boolean canScrollHorizontal) You can set CanScrollHorizontal.
CardStackLayoutManager.setCanScrollVertical(boolean canScrollVertical) You can set CanScrollVertical.
CardStackLayoutManager.setSwipeAnimationSetting(SwipeAnimationSetting swipeAnimationSetting) You can set SwipeAnimationSetting.
CardStackLayoutManager.setRewindAnimationSetting(RewindAnimationSetting rewindAnimationSetting) You can set RewindAnimationSetting.

Advanced usages

Method Description
CardStackView.smoothScrollToPosition(int position) You can scroll any position with animation.
CardStackView.scrollToPosition(int position) You can scroll any position without animation.

Callbacks

Method Description
CardStackListener.onCardDragging(Direction direction, float ratio) This method is called while the card is dragging.
CardStackListener.onCardSwiped(Direction direction) This method is called when the card is swiped.
CardStackListener.onCardRewound() This method is called when the card is rewinded.
CardStackListener.onCardCanceled() This method is called when the card is dragged less than threshold.
CardStackListener.onCardAppeared(View view, int position) This method is called when the card appeared.
CardStackListener.onCardDisappeared(View view, int position) This method is called when the card disappeared.

Migration Guide

Migration of Features

1.x 2.x
Move to Origin Cancel
Reverse Rewind
ElevationEnabled Stack From
TranslationDiff Translation Interval
ScaleDiff Scale Interval
SwipeEnabled Swipe Restriction

Migration of Callbacks

1.x 2.x
CardStackView.CardEventListener CardStackListener
onCardDragging(float percentX, float percentY) onCardDragging(Direction direction, float ratio)
onCardSwiped(SwipeDirection direction) onCardSwiped(Direction direction)
onCardReversed() onCardRewound()
onCardMovedToOrigin() onCardCanceled()
onCardClicked(int index) This method is no longer provided. Please implement in your item of RecyclerView.

Installation

LatestVersion is LatestVersion

dependencies {
    implementation "com.yuyakaido.android:card-stack-view:${LatestVersion}"
}

License

Copyright 2018 yuyakaido

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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