Saving Data on Android

Using the SQLiteOpenHelper class
SQLiteOpenHelper
 is a helper class designed to help manage database creation and 
version management. To use it, you need to create a subclass of it and implement the 
onCreate
, 
onUpgrade
 and optionally the 
onOpen
 methods. This class will then open 
the database if it exists, create it, if it does not exist, and upgrade it when necessary. 
It does all these things automatically, using the above-mentioned methods.
Now that the constants are in place and you've learned a bit about 
SQLiteOpenHelper
, it's time to create the database and add the CRUD operations.
Open the 
ToDoDatabaseHandler.kt
 file and subclass the 
SQLiteOpenHelper
, by 
adding the following code after the 
class
 declaration:
: SQLiteOpenHelper(context, DATABASE_NAME, 
null
, 
DATABASE_VERSION)
The above code makes the database handler class a subclass of