BarInsta/app/src/main/java/awais/instagrabber/customviews/helpers/GridSpacingItemDecoration.java

package awais.instagrabber.customviews.helpers;

import android.graphics.Rect;
import android.view.View;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

public class GridSpacingItemDecoration extends RecyclerView.ItemDecoration {
    private final int spacing;

    public GridSpacingItemDecoration(int spacing) {
        this.spacing = spacing;
    }

    @Override
    public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
        final int halfSpace = spacing / 2;
        if (parent.getPaddingLeft() != halfSpace) {
            parent.setPadding(halfSpace, halfSpace, halfSpace, halfSpace);
            parent.setClipToPadding(false);
        }
        outRect.top = halfSpace;
        outRect.bottom = halfSpace;
        outRect.left = halfSpace;
        outRect.right = halfSpace;
    }
}