Setting up a Room database in Android Studio involves several steps. Room is an abstraction layer over SQLite, which makes it easier to work with databases in Android apps. Here's a basic guide to setting up a Room database: Add Room Dependencies: Open your app-level build.gradle file and add the following dependencies: implementation "androidx.room:room-runtime:2.4.0" annotationProcessor "androidx.room:room-compiler:2.4.0" Make sure you are using the latest version of Room library. You can check for the latest version on the official website : https://developer.android.com/jetpack/androidx/releases/room Define Entity: An Entity represents a table within the database. Create a class for your entity/tables. Annotate the class with @Entity and specify its properties as columns. import androidx.room.Entity ; import androidx.room.PrimaryKey ; @Entity (tableName = "your_table_name" ) public class YourEntity { @PrimaryKey (autoGenerate...
How to Insert Multiple rows in a single db transaction in Android Room Database? | Android | Room DB
To insert multiple rows into a Room database in Android, you can follow these steps: 1. Set up Room Database: First, make sure you have set up your Room database correctly in your Android project. Define your Entity class, create a Database class that extends RoomDatabase, and set up your DAO (Data Access Object) interface. 2. Create Entity Class: Define an Entity class that represents the data you want to insert into the database. For example: 1 2 3 4 5 6 7 8 9 @Entity (tableName = "my_table" ) public class MyEntity { @PrimaryKey (autoGenerate = true ) public int id; public String name; public int age; // Add other fields and getters/setters as needed } Create DAO: Create a DAO interface with a method to insert multiple rows. For example: 1 2 3 4 5 @Dao public interface MyEntityDao { @Insert void insertAll (List<MyEntity> entities); } Initialise Database and DAO: In your application code, create an insta...