Cardstack (Kotlin)

Create a CardStack UI similar to the iOS version in Kotlin

AOS

iOS

Overview

Create a CardStack UI that just used simple component Recyclerview,ItemDecoration

Item Collapse Area Setup

val isCollapsedItem = if (itemCount > 0) {
                getItem(0).collapsed
            } else {
                false
            }
            val collapsed = -300

            when (itemPosition) {
                0 -> {
                    if (isCollapsedItem) {
                        outRect.bottom = 600
                    } else {
                        outRect.bottom = 0
                    }
                    outRect.top = 0
                }

                else -> {
                    outRect.top = collapsed
                    outRect.bottom = 0
                }
            }

Item Animation Setup

itemAnimator = DefaultItemAnimator().apply {
            moveDuration = 300
        }