SpacesItemDecoration.java

package com.simplecity.amp_library.ui.recyclerview;

import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

import com.simplecity.amp_library.utils.ResourceUtils;

public class SpacesItemDecoration extends RecyclerView.ItemDecoration {

    private int space;

    public SpacesItemDecoration(int space) {
        this.space = ResourceUtils.toPixels(space);
    }

    @Override
    public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {

        if (parent.getChildLayoutPosition(view) == 0) {
            outRect.left = 0;
        } else {
            outRect.left = space;
        }
    }
}