androidsqlite.cs

   string applicationFolderPath = System.IO.Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal), "mydb.db");

            if (!Directory.Exists(applicationFolderPath))
                Directory.CreateDirectory(applicationFolderPath);

            var platform = new SQLite.Net.Platform.XamarinAndroid.SQLitePlatformAndroid();
            string databaseFileName = Path.Combine(applicationFolderPath, "mydb.db");
            var coreData = new CoreDataProvider(databaseFileName, platform);