SQLiteDatabase db this.getWritableDatabase () ContentValues values new ContentValues () values.put (COLNAME, VALUE) values.put (COLNAME, VALUE) // Inserting Row db. To know more about SQLite, check this SQLite Tutorial with Examples. With a simple convert you can use them as double double mydouble = Double.parsDouble(list. You can use ContentValues to insert into your database. Android SQLite ListView with Examples SQLite is an open-source lightweight relational database management system (RDBMS) to perform database operations, such as storing, updating, retrieving data from the database. So we’ll create a single data layout file in xml. We’ll use a custom adapter, so create an inner class and extends BaseAdapter and implement the method. Lets do it in code : String str = db.getdata() In MainActivity2.java file, we’ll create some methods and implement them. get the column from database pure it to String and with the splite() opration pure each values of array in a column of array than u can easily use it :) When you want to fetch them and use the values. public static void storeInDB(ArrayList longs) throws IOException, SQLException To access your database, instantiate your subclass of SQLiteOpenHelper: Kotlin Java val dbHelper FeedReaderDbHelper(context) Put information into a database Insert data into the database by passing a ContentValues object to the insert () method: Kotlin Java // Gets the data repository in write mode val db dbHelper. I think Con's approach is probably better than using java serialization since java's builtin serialization will need additional bytes, and non-java applications will have a harder time dealing with the data. The other answers over there are also very pertinent. VARCHAR for storing arrays in a MySQL table. Please forgive me for savagely plagiarizing my previous answer to BLOB vs.
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