Questions related to Kotlin Android Extensions
Questions tagged [kotlin-android-extensions]
721 questions
5
votes
1 answer
Android Kotlin Extension super calling
i am a Java Android Developer and i'm approaching to Kotlin
I have defined the following class:
open class Player : RealmObject() {
...
}
And i defined the following two extensions, one for the generic RealmObject class and one for the specific…
Gianni Genovesi
- 91
- 6
5
votes
3 answers
Fetching a URL in Android Kotlin asynchronously
So I'm trying to write a very simple Android app that fetches a response from a URL when a button gets pressed. The kotlin Android extensions have been advertised as a drop-in replacement for the boilerplate necessary in Java, so I tried my hand.…
Alex S
- 1,027
- 1
- 10
- 17
5
votes
1 answer
What is the difference between arrayListOf and mutableListOf , which one is better?
I am trying to use collections in Kotlin and got confused between arrayListOf and mutableListOf, which one should we use and why?
shekar
- 1,251
- 4
- 22
- 31
5
votes
1 answer
Could not find class 'kotlin.jvm.internal.DefaultConstructorMarker'
I am currently working on an Android app which is coded in Kotlin.
Everything was fine until yesterday, at some point I started to have this error in the logcat and, when this happens, the content of the app is not displayed. Here's the long…
bontoJR
- 6,995
- 1
- 26
- 40
5
votes
2 answers
Parsing xml kotlin android
I have xml like this:
Сегодня вас могут здорово огорчить. Если от расстройства все начнет валится из рук, просто спокойно сядьте и тихонько подождите хорошей новости.
Сегодня у вас могут…
g71132
- 671
- 2
- 10
- 17
5
votes
2 answers
StackOverflowError using Singleton in Kotlin
Can anyone tell, why I'm getting a java.lang.StackOverflowError using this Kotlin class? Line 41 is if (instance == null) {
class TokenHelper protected constructor() {
var token: String? = null
var appId: String? = null
var…
user3105453
- 1,881
- 5
- 32
- 55
4
votes
0 answers
flutter project - calling kotlin native code to flutter
hi im getting this error while putting a native code to flutter native side . seems like a java error but i tried several methods to clear out the error but couldn't do it . now i'm getting this error
FAILURE: Build failed with an exception.
* What…
4
votes
2 answers
Testing involving MutableSharedFlow - java.lang.IllegalStateException: This job has not completed yet
Apologies for what is probably a very amateur question.
I'm getting to grips with flows and having issues with testing where MutableSharedFlow is concerned.
The following is the simplest example I can construct that recreates the…
SamCosta1
- 203
- 2
- 12
4
votes
2 answers
Android studio: Kotlin scope functions Unresolved reference. But Project compiles
I am facing this strange issue where my project compiles and runs successfully but in my kotlin scope functions red errors are coming. It also shows errors on some of the kotlin functions like toLong(), toDouble() etc.
and I have this in my gradle…
ice spirit
- 1,425
- 3
- 16
- 32
4
votes
1 answer
Kotlin View Binding java.lang.IllegalStateException: view must not be null inside listener
I'm using View Binding from Kotlin Android Extensions:
import kotlinx.android.synthetic.main.fragment_user_profile.*
I want to display a value from Cloud Firestore in a fragment:
FirebaseFirestore.getInstance()
.collection("users")
…
Pavel
- 5,374
- 4
- 30
- 55
4
votes
2 answers
Any way to change names for auto-created views by kotlin-extensions?
I'm new in Kotlin. I've red https://kotlinlang.org/docs/tutorials/android-plugin.html and noticed that views can be auto-binded to activity via importing
kotlinx.android.synthetic.main.activity_main.*.
If I declaring view with id = "btn_login" in…
Sergey Shustikov
- 15,377
- 12
- 67
- 119
4
votes
4 answers
Could not find method androidExtensions()
I want to use the features of kotlin @Parcelize,
I have apply the plugin: 'kotlin-android-extensions' on gradle, and I added
androidExtensions {
experimental = true
}
but errors continue to appear.this error message :
Error:(28, 0) Could…
salim
- 95
- 2
- 5
4
votes
2 answers
Kotlin databinding with extension methods
I'm trying to use Kotlin extension methods inside Android's databinding. For example; calling an onclick handler. So I've made this code:
posttest_list_item.xml
Milan
- 61
- 5
4
votes
2 answers
How to add Body in Url in Volley request in Kotlin?
Here is my Code that for Volley Request:-
val searchRequest = object : JsonArrayRequest(Request.Method.GET,url,
Response.Listener { response ->
val result = response.toString()
},
…
shivam Kapoor
- 105
- 2
- 3
- 9
4
votes
2 answers
How to parse below Json data in Kotlin?
I need to parse this information-
[
{
"artist": "12",
"image": "23"
},
{
"video_id": "12",
"video_title": "23"
},
{
"video_id": "12",
"video_title": "23"
},
{
"video_id": "12",
"video_title": "23"
},
{
"video_id":…
shivam Kapoor
- 105
- 2
- 3
- 9