How to set changed menu icon permanently when app restarted

I have Already changed menu item dynamically but when app get restarted it changes back to default icon.How can i changed that icon permanently?

case R.id.action_bookmark:

                                                           String isBookmark=data.getBookmark();
                                                           if(isBookmark.equals("false")) {
                                                               NewsModel newsModel=items.get(getAdapterPosition());
                                                               newsModel.setBookmark("true");
                                                               ContentValues values = newsModel.getContentValues();
                                                               NewsTable.getInstance().updateEntry(newsModel.getId(),values);
                                                               item.setIcon(R.drawable.star);
                                                               notifyDataSetChanged();
                                                           }
                                                           else{
                                                               NewsModel newsModel=items.get(getAdapterPosition());
                                                               newsModel.setBookmark("false");
                                                               ContentValues values = newsModel.getContentValues();
                                                               NewsTable.getInstance().updateEntry(newsModel.getId(),values);
                                                               item.setIcon(R.drawable.ic_bookmark_white_24dp);
                                                               notifyDataSetChanged();

                                                           }