Maintain only one static database connection in Android. From http://touchlabblog.tumblr.com/post/24474750219/single-sqlite-connection

DatabaseHelper.java

public class DatabaseHelper extends OrmLiteSqliteOpenHelper
{
    private static DatabaseHelper instance;

    public static synchronized DatabaseHelper getHelper(Context context)
    {
        if (instance == null)
            instance = new DatabaseHelper(context);

        return instance;
    }
//Other stuff... 
}