RxJava bindings for Kotlin programming language
RxKotlin is open sourced and available under the Apache License, Version 2.0
Questions tagged [rx-kotlin]
238 questions
1
vote
1 answer
How to implement robust offline support with rx-kotlin?
TL;DR Looking for recommendations on robust offline support using rx-kotlin.
I've followed a nice guide on offline-support in Android apps.
It works like this:
Load data from the Internet, go to step 3 if error
Store the data in the local…
Per Christian Henden
- 1,514
- 1
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- 26
1
vote
1 answer
How to make this block of code written with RxKotlin cleaner and avoid blocking thread?
I have this function which gets a parameter and first checks for its value. if it was null then gets its value from the result of fisrtFun() which returns a Single< String>.
after that either that parameter was null or not, it returns the result of…
1
vote
1 answer
How to pass value
How to get value time from this code
val TAG = MainActivity::class.java.name
TrueTimeRx.build()
.initializeRx("time.google.com")
.subscribeOn(Schedulers.io())
.subscribe({ time ->
Log.v(TAG, "TrueTime was initialized and we…
Impossible NPC
- 11
- 1
- 4
1
vote
1 answer
RxJava: How to extract same observeOn from different functions?
Basically my Android app have some meta data which need to report to backend server in different scenarios:
data class SearchMetaData(
val searchId: String?,
val isRateLimit: Boolean
)
In order to make the code clean, I make the minimal…
alwaysday1
- 1,683
- 5
- 20
- 36
1
vote
3 answers
Perform a task for all items in a list and then perform another task in RxJava
Unfortunately, my REST Delete operation work only for one item. So what I was trying to do is,
Observable.just(items).flatMapIterable { items -> items }.flatMap {
//call REST DELETE for every item
}.flatMap {
…
sadat
- 4,004
- 2
- 29
- 49
1
vote
1 answer
RxKotlin combine latest more than 9 fields
I am new to Android development, I'm trying to make form validation using RxKotlin and RxBinding.
I need a guidance how to make form validation with more than 9 fields?
Actually I can combine the result using Observable.combinelatest.
This is the…
Taslim Hartmann
- 11
- 1
1
vote
1 answer
RxKotlin "withLatestFrom(...)" compile error: not enough information to infer type variable R
1) The code below fails to compile with an error: "not enough information to infer type variable R"
keywordChanges
.withLatestFrom(searchParamsSubject)
.subscribe { (keyword, searchParams) ->
...
}
2) The code below compiles and works,…
Frank Harper
- 3,027
- 3
- 30
- 41
1
vote
1 answer
How to handle errors in rxjava chain in android?
I have a list of items say for example list of integers, if any of the integer is null, i need to consume the error and proceed with the next item
For example
Observable.fromIterable(listOf(1, 2, 3, null, 5))
.map {
…
Stack
- 1,164
- 1
- 13
- 26
1
vote
1 answer
RxJava Collect emission to list
How can I collect emitted items from observable to List when observable never completes?
Example I have something similar so Observable emits series of values, but never completes unless you unsubscribe, because of that .toList() not gonna…
LeTadas
- 3,436
- 9
- 33
- 65
1
vote
1 answer
When to subscribe/bind streams in android lifecycle?
I'm using rxAndroid with an MVVM architecture. In my Activity, I need to bind my streams then fetch data from the server, which will eventually call the downstream.
My reasoning is the following:
- I need to unsubscribe my streams in onStop()…
ChristoBorg
- 11
- 1
1
vote
0 answers
How to use combineLatest with multiple sources
I am using the RXKotlin combineLatest and I have a multiple source. but I am calling this like
Observables.combineLatest(source1, source2)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
{
…
dotGitignore
- 1,597
- 2
- 15
- 34
1
vote
0 answers
Koin testing on Androidx with Activity
I am trying to do some instrumented tests of a boilerplate code after migrating it to AndroidX. Note that before migration, all of them worked, but after, only unit tests work, the instrumented test crashes on Null Pointer exception, where it…
Lukas Anda
- 716
- 1
- 9
- 30
1
vote
2 answers
RxJava/RxKotlin complains about accessing views
I have the following call to retrieve some data from server and update the UI according to response.
poiAPIService.getPoiDetails(poiId!!)
.observeOn(AndroidSchedulers.mainThread())
.doOnSubscribe { showProgressBar(true)…
Ilker Baltaci
- 11,644
- 6
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- 79
1
vote
0 answers
RxRoom Kotlin: Generated Dao - error: local variable users is accessed from within inner class; needs to be declared final
I'm using RxRoom with Kotlin. In my Dao class
If I use this:
@Insert
fun insertPaymentRef(paymentRef: PaymentRef): Single
Or this:
@Insert
fun insertPaymentRef(paymentRef: PaymentRef): Completable
the generated Dao class throws this…
Ememobong AkpanEkpo
- 602
- 7
- 19
1
vote
2 answers
Observable#take(Long) not returning desired size of items in RxJava
I am using RxJava/Kotlin Observable#take() to get first 50 items from the list. But #take() operator is not behaving as it should as per Rx docs.
In Rx docs, #take() is defined as:
"Emit only the first n items emitted by an Observable"
I have a…
erluxman
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- 126