====== Room ======

  * https://developer.android.com/training/data-storage/room

  * Three major components:
    * database class
      * represents dabase abstraction
      * ''@Database''
    * data entities
      * represents a data entity (a table)
      * ''@Entity''
    * DAOs
      * provides methods to access data (insert/update/delete...)
      * ''@Dao''


===== Learning resources for Room =====

  * [[Android Room with a View - Kotlin]]
    * my conspectus of [[https://developer.android.com/codelabs/android-room-with-a-view-kotlin|Android Room with a View - Kotlin]]
      * official code lab from Google (by Florina Muntenescu)

  * [[Persist Data with Room]]
    * my conspectus of [[https://developer.android.com/codelabs/basic-android-kotlin-compose-persisting-data-room|Persist data with Room]] - very good code lab (especially for using ViewModels with Room)
    * Github:
      * https://github.com/google-developer-training/basic-android-kotlin-compose-training-inventory-app/tree/room
      * ItemEntryViewModel:
        * https://github.com/google-developer-training/basic-android-kotlin-compose-training-inventory-app/blob/room/app/src/main/java/com/example/inventory/ui/item/ItemEntryViewModel.kt

  * [[https://developer.android.com/training/data-storage/room|Save data in a local database using Room]]

  * [[https://developer.android.com/codelabs/basic-android-kotlin-compose-update-data-room#0|Read and update data with Room]]