LayoutManagerBiding.java

package nglauber.android.databinding.binding;

import android.databinding.BindingAdapter;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

/**
 * Created by nglauber on 5/1/16.
 */
public class LayoutManagerBiding {
    @BindingAdapter({"bind:layout_manager"})
    public static void setLayoutManager(RecyclerView recyclerView, String layout){
        if ("linear".equalsIgnoreCase(layout)){
            setLayoutManager(recyclerView, layout, 0);
        }
    }

    @BindingAdapter({"bind:layout_manager", "bind:columns"})
    public static void setLayoutManager(RecyclerView recyclerView, String layout, int columns){
        if ("linear".equalsIgnoreCase(layout)){
            recyclerView.setLayoutManager(
                    new LinearLayoutManager(recyclerView.getContext(), LinearLayoutManager.VERTICAL, false));
        } else if ("grid".equalsIgnoreCase(layout)){
            recyclerView.setLayoutManager(new GridLayoutManager(recyclerView.getContext(), columns));
        }
    }
}