android-room Archives

Kotlin: How can I represent a “many to many” relation with Android Room when column names are same?

January 17, 2021 Belden Ethan

Question or issue of Kotlin Programming: How can I represent a “many to many” relation with Room? My column names are also the same.

Kotlin: Android Room Persistence library and Kotlin

January 17, 2021 Dancer Kyle

Question or issue of Kotlin Programming: I am trying to write a simple app using Kotlin and Room Persistence Library. I followed the tutorial in the Android Persistence codelab.

Kotlin: Unit testing Room and LiveData

January 17, 2021 Baxter Jennifer

Question or issue of Kotlin Programming: I’m currently developing an app using the newly Android Architecture Components. Specifically, I’m implementing a Room Database that returns a LiveData object on one of its queries. Insertion and querying work as expected, however I have an issue testing the query method using a unit test.

Kotlin: Cannot find setter for field – using Kotlin with Room database

January 17, 2021 Murphy William

Question or issue of Kotlin Programming: I’m integrating with the Room persistence library. I have a data class in Kotlin like:

Room Persistence: Error:Entities and Pojos must have a usable public constructor

January 17, 2021 James Cameron

Question or issue of Kotlin Programming: I’m converting a project to Kotlin and I’m trying to make my model (which is also my entity) a data class I intend to use Moshi to convert the JSON responses from the API

Kotlin: Android Room – Select query with LIKE

January 14, 2021 Edina John

Question or issue of Kotlin Programming: I’m trying to make a query to search all objects whose names contain text:

Kotlin: Android Room – simple select query – Cannot access database on the main thread

January 14, 2021 Auberon Samantha

Question or issue of Kotlin Programming: I am trying a sample with Room Persistence Library. I created an Entity:

Error:Execution failed for task ‘:app:compileDebugKotlin’. > Compilation error. See log for more details

January 13, 2021 Dolly James

Question or issue of Kotlin Programming: Error:Execution failed for task ‘:app:compileDebugKotlin’. > Compilation error. See log for more details build:gradle(Module:app) buildscript { repositories { maven { url ‘https://jitpack.io’ url ‘https://maven.fabric.io/public’ } } dependencies { classpath ‘io.fabric.tools:gradle:1.+’ } } apply plugin: ‘com.android.application’ apply plugin: ‘kotlin-android’ apply plugin: ‘io.fabric’ apply plugin: ‘kotlin-android-extensions’ repositories { maven { url […]

Kotlin: get the current index in for each Kotlin

January 13, 2021 Elbert Jacob

Question or issue of Kotlin Programming: How to get the index in a for each loop? I want to print numbers for every second iteration

Error: Execution failed for task ‘:app:clean’. Unable to delete file

January 13, 2021 Odhran Miss

Question or issue of Kotlin Programming: I’m trying to rebuild my Android Studio Gradle project (containing mostly Kotlin code), but it started to throw an UnableToDeleteFileException during the cleaning/rebuilding process: