Created
June 6, 2020 21:14
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// 참고로 안돌려보고 여기에서 대충 만든거라 컴파일 에러날 확률이 매우 높습니다. | |
override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) { | |
super.getItemOffsets(outRect, view, parent, state) | |
outRect.setEmpty() | |
val position = parent.getChildAdapterPosition(view).takeIf { it != RecyclerView.NO_POSITION } ?: run { | |
return | |
} | |
val space = 20.dp | |
val layoutManager = parnet.layoutManager as? GridLayoutManager ?: return | |
val n = getSpanSize(layoutManager) // spanSizeLookUp 을 이용하여 spanSize 를 가져오면됨 | |
val k = getSpanIndex(layoutManager, position) // spanSizeLookUp 을 이용하여 spanIndex 를 가져오면됨 | |
outRect.left = k * space / n | |
outRect.right = s - (k + 1) * space / n | |
} |
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