SpacesItemDecoration

SpacesItemDecoration.java

package scrb.raj.in.citizenservices.utils;

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

public class SpacesItemDecoration extends RecyclerView.ItemDecoration {
    private int leftSpace;
    private int topSpace;
    private int rightSpace;
    private int bottomSpace;

    public SpacesItemDecoration(int left, int top, int right, int bottom) {
        this.leftSpace = left;
        this.topSpace = top;
        this.rightSpace = right;
        this.bottomSpace = bottom;
    }

    public SpacesItemDecoration(int space) {
        this.leftSpace = space;
        this.topSpace = space;
        this.rightSpace = space;
        this.bottomSpace = space;
    }

    @Override
    public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
        outRect.left = leftSpace;
        outRect.right = rightSpace;
        outRect.bottom = bottomSpace;

        // Add top margin only for the first item to avoid double space between items
        if (parent.getChildAdapterPosition(view) == 0) {
            outRect.top = topSpace;
        }
    }
}