menu_pop_up.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android" >

    <item
        android:id="@+id/menu_edit"
        android:title="@string/label_edit"/>    

</menu>

popup.java

 holder.mButtonMenu.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
PopupMenu popup = new PopupMenu(mContext, view);
                //Inflating the Popup using xml file
                popup.getMenuInflater()
                        .inflate(R.menu.menu_pop_up, popup.getMenu());

                //registering popup with OnMenuItemClickListener
                popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                    public boolean onMenuItemClick(MenuItem item) {
                        if (item.getItemId() == R.id.menu_edit) {
                            // WHEN MENU CLIC
                        }                       
                        return true;
                    }
                });

                popup.show(); //showing popup menu
            }