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Once loaded, modify the code to add the appropriate data members and methods: package com.ebookfrenzy.

Once created the Product.java source file will automatically load into the Android Studio editor. Ill Update My Answer becoz now a days Android Studio update in Android Studio 3.1 or up to other like now 3.2 in this Studio DDMS function is not available but Dont Worry i have another solution. From the popup menu, choose the New -> Java Class option and, in the Create New Class dialog, name the class Product before clicking on the OK button. All the DBs you create inside your app will be accessible from all the classes of your apps (NOT outside your app). Within Android Studio, navigate within the Project tool window to app -> java and right-click on the package name. Essentially, this class can be thought of as representing the database model. Room is an ORM, Object Relational Mapping. Instances of this class can then be created within the activity and database handler and passed back and forth as needed. You need to use lots of boilerplate code to convert between SQL queries and Java data objects (POJO). This is actually a very simple class capable of holding product ID, product name and product quantity values, together with getter and setter methods for accessing these values. In order to implement this interaction in a structured way, a third class will need to be implemented to hold the database entry data as it is passed between the activity and the handler. The database handler will be a subclass of SQLiteOpenHelper and will provide an abstract layer between the underlying SQLite database and the activity class, with the activity calling on the database handler to interact with the database (adding, removing and querying database entries). Import .Once completed, the application will consist of an activity and a database handler class.

Here I created a model class and used this model while fetching the data from SQLITE database in android. To read the data from any table, create a model class which will hold all the data. Reading Android SQLITE Data From Database Public class SqliteHelper extends SQLiteOpenHelper ) When you extends it to the SQLiteOpenHelper, You will get a red sign on the left side, Click on that and get the constructor and override the two methods.