package io.mrarm.irc.util; import android.content.Context; import android.graphics.Rect; import androidx.core.view.ViewCompat; import androidx.recyclerview.widget.RecyclerView; import androidx.recyclerview.widget.RecyclerView.ItemDecoration; import android.view.View; public class SpacingItemDecorator extends ItemDecoration { private int spacing; public SpacingItemDecorator(int spacing) { this.spacing = spacing; } public static SpacingItemDecorator fromResDimension(Context context, int dimenId) { return new SpacingItemDecorator(context.getResources().getDimensionPixelSize(dimenId)); } @Override public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) { if (parent.getChildLayoutPosition(view) != 0) { if (ViewCompat.getLayoutDirection(parent) == ViewCompat.LAYOUT_DIRECTION_RTL) outRect.right += spacing; else outRect.left += spacing; } } }