Public class MainActivity extends Activity implements RadioGroup. SQLite is considerably, the lighter version of SQL database, where most of the SQL commands don’t run on SQLite database. It supports standard relations database features, like SQL syntax, transactions & SQL statements. Last but not least, the code for handling the UI controls and their behaviors is contained in MainActivity.java and shown below: SQLite is an open source database, available on every android database. The XML code that is responsible for rendering the view of Figure 1 is contained in activity_main.xml and shown below: SQLite on Android Email Gender Female Male Hobbies Coding Writing Jogging Zodiac Save Retrieve Delete Aries Taurus Gemini Cancer Leo Virgo Libra Scorpio Sagittarius Capricorn Aquarius Pisces Rendering the View Subsequently, the user can retrieve the information using an email as the keyword, edit and update the information into, or delete it from the SQLite database. Three Button controls – one each for saving, retrieving, and updating of data respectively.Ī user can key in and save new information to a SQLite database.One Spinner control for zodiac selection.Three CheckBox controls for hobbies selection.One RadioGroup control with two RadioButtons for gender selection.One EditText text field for email input.In order to access this database, you don't need to establish any kind of connections for it like JDBC,ODBC e.t. SQLite supports all the relational database features. Android comes in with built in SQLite database implementation. As shown in Figure 1, the user interface (UI) of this MainActivity comprises the following controls: SQLite is a opensource SQL database that stores data to a text file on a device. In the project, create an Android activity called MainActivity. The resulting package name of your project will be. Let’s give it an application name of AndroidSQLite and a domain name of. On your favorite Android IDE, start a new Android app project. In this article, you will learn to perform CRUD, i.e., Create, Read, Update and Delete, on data using a SQLite Database on Android. Android provides many ingenious technologies for storing persistent data locally. While some data is transient, most will require to stay or persist even after the app has stopped running. Most data are supplied by users through the various input controls, such as text field, check box, radio group, spinner, and button.
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