All Questions
Tagged with kotlin android-room
2,266
questions
0
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48
views
Why is my room database data non persistent?
I have an android app that uses room database and dagger. I tried all the answers I found on the internet, and this is my last resort as I'm on the week 2 of solving this problem.
My Setup:
com....
- 422
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0
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29
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How to store drawables in a pre-populated room database
I'm working on small app in kotlin for android and i used sql to make a small pre-populated database of books which i then load into a room database. I want to store the images of the books inside the ...
- 25
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3
answers
40
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App crashes when trying to use a pre-populated room database due to difference between the schemes
I'm trying to make a small app for a project and decided to use a pre-populated database however i keep getting an error that says that the Expected and Found schemes are different, but i don't know ...
- 25
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1
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27
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Room Flow - How to handle updates of dynamic-based param request?
Given a room Database and a request with a DateTime based parameter :
@Transaction
@Query("SELECT * FROM itemModel WHERE datetime(datetime(`end`), 'localtime') > datetime(:minDate, 'localtime'...
- 14.3k
2
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52
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Jetpack Compose CRUD application views don't refresh
I'm new to Android Compose. I'm generally teaching my daughter how to code and we decided to start with something that has an UI,so we chose Android to start. I made an app in Jetpack Compose and I ...
1
vote
1
answer
72
views
There is a delay when saving data into a Room Database
I'm trying to create a stop watch application. Everything works fine at first. The stop watch goes up from the milliseconds, to the seconds, to the minutes just fine. There are two timers, one of the ...
- 115
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24
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Android Kotlin Infotainment app with ROOM DB - error: Not sure how to convert a Cursor to this method's return type (java.lang.Object)
I am new to Android infotainment app development, I am storing the data in DB and get the data from DB and place the data in Google maps using PlaceListMapTemplate.
Can we use Room database in Android ...
- 964
1
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1
answer
44
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Kotlin Android different (Module:App) build.gradle structures makes tutorials hard to follow
I am quite new to developing in Android for kotlin.
I was trying to follow a tutorial on how to setup a local Room Database in my App, but my build.gradle looks completely different than the persons ...
- 13
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22
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Android - Room Database enter loop on data update
I’m developing an app using Jetpack Compose, Room, Flow, Kotlin, and following the MVVM architecture. My app includes the following screens:
HomeScreen: Displays the budget and a list of products.
...
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77
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Room DataBase in KMP
I have a database ( mysqlite_sampel.db), I want to put it in the files folder and use the information in it, how can I use a database that is in the files folder both in Android and iOS and ROOM and ...
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37
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How to Add Room Library to a Compose Desktop App Created with IntelliJ IDEA Built-in Wizard?
I'm making a Compose Desktop app using IntelliJ IDEA Community Edition. I started the project with the built-in wizard (not the web version). I'm having trouble finding clear instructions on how to ...
- 639
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74
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Kotlin Multiplatform and Room: Cannot find implementation for model.database.AppDatabase
I'm making an app with Kotlin Multiplatform. I encountered an error when implementing the Room database, using this tutorial.
The error goes like this (Note that this error appears while debugging on ...
- 21
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votes
1
answer
40
views
How does Room DB with Flow works?
I’m experimenting with Room and Coroutines Flow observables in a simple project, but I'm encountering an issue where the Flow emits multiple times.
In the app, I’m fetching all data from the user's ...
- 1
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0
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30
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java.lang.RuntimeException: Unable to start activity ComponentInfo{}: java.lang.reflect.InvocationTargetException
I am trying to use MVVM with Room DB in my android app but getting this exception on the splashActivity.
It was working fine until i added viewmodel and observers
class SplashActivity : ...
- 25
1
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0
answers
28
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How can I implement a feature to export and import database to my app in android(Kotlin)
How can I add feature to export and import database to my app. currently I am learning the data persistence using room. I have created a database and I want that my user should be able to export and ...
- 11