![]() Android SQLite Database Example Following is the example of creating the SQLite database, insert and show the details from the SQLite database into an android listview using the. Using SQLite database in Android application Android insert() method inserts a new row into a database delete() method deletes rows from a database. Be aware that Android will silently ignore errors in an ALTER command, say if you try to add a field and the field is already there. Now we will see how to create sqlite database and perform CRUD (insert, update, delete, select) operations on SQLite Database in android application with examples. Basically, you store the DB version as an app property, do a check at launch, and modify the DB structure as needed with ALTER TABLE. See my comment at the end of this thread for some code. If you do need to update the DB structure with an app update, you could use the technique I'm using. On button onclick is defined which associate it with related function. Step 2: Open res -> layout -> activitymain.xml (or) main.xml and add following code: In this step we create a layout in our XML file adding textbox, buttons, edittext. ![]() If all you're doing is saving app preferences, you'd be better off using instead of a database. SQLite, NeDB, and LiteDB are probably your best bets out of the 12 options considered. Step 1: Create a New Project and Name it SQLiteOperations. But your app's connection would point to the new database. In case someone is viewing this thread as a way to update a database as part of an app update, I wanted to point out that with John Welch's solution user data stored in the database would no longer be accessible. From there, you could truncate the table or something. Then, you can issue SQL commands directly against your app's database. In addition to the methods described by the other answers, you can also use the adb tool to open an SQLite command prompt session.
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