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package ca.allanwang.kau.utils
import android.graphics.Rect
import android.support.v7.widget.RecyclerView
import android.view.View
/**
* Created by Allan Wang on 2017-07-11.
*/
fun RecyclerView.withMarginDecoration(sizeDp: Int, edgeFlags: Int) {
addItemDecoration(MarginItemDecoration(sizeDp, edgeFlags))
}
class MarginItemDecoration(sizeDp: Int, val edgeFlags: Int) : RecyclerView.ItemDecoration() {
private val sizePx = sizeDp.dpToPx
override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) {
super.getItemOffsets(outRect, view, parent, state)
if (edgeFlags and KAU_LEFT > 0) outRect.left += sizePx
if (edgeFlags and KAU_TOP > 0) outRect.top += sizePx
if (edgeFlags and KAU_RIGHT > 0) outRect.right += sizePx
if (edgeFlags and KAU_BOTTOM > 0) outRect.bottom += sizePx
}
}
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