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room [2024/10/29 11:41] – kalaschnikowroom [2026/04/01 08:35] (current) – [Learning resources for Room] kalaschnikow
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 +====== 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]]