CardStackView

Overview

Contents

Setup
Features
Public Interfaces
Callbacks
Migration Guide
Installation
License

Setup

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

Features

Manual Swipe

Automatic Swipe

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.

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
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.

Use DiffUtil.
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
	Top
	Bottom
	Left
	Right

CardStackLayoutManager.setStackFrom(StackFrom.None)

Visible Count

Default	Value	Sample
	2
✅	3
	4

CardStackLayoutManager.setVisibleCount(3)

Translation Interval

Default	Value	Sample
	4dp
✅	8dp
	12dp

CardStackLayoutManager.setTranslationInterval(8.0f)

Scale Interval

Default	Value	Sample
✅	95%
	90%

CardStackLayoutManager.setScaleInterval(0.95f)

Max Degree

Default	Value	Sample
✅	20°
	0°

CardStackLayoutManager.setMaxDegree(20.0f)

Swipe Direction

Default	Value	Sample
✅	Horizontal
	Vertical
	Freedom

CardStackLayoutManager.setDirections(Direction.HORIZONTAL)

Swipe Threshold

Default	Value	Sample
✅	30%
	10%

CardStackLayoutManager.setSwipeThreshold(0.3f)

Swipe Restriction

CanScrollHorizontal	CanScrollVertical	Sample
true	true
true	false
false	true
false	false

CardStackLayoutManager.setCanScrollHorizontal(true)
CardStackLayoutManager.setCanScrollVertical(true)

Swipeable Method

Default	Value	Sample
✅	AutomaticAndManual
	Automatic
	Manual
	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

dependencies {
    implementation "com.yuyakaido.android:card-stack-view:2.3.4"
}

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.

License

cyberprophet/card-stack-view

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