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why is that the case?

Hi. Anyone here facing the problem where the kotlinx synthetic references frequently become unresolvable in Android Studio 3.1.2? I find myself having to click sync gradle every now & then. Also happens to my team members.

if it's not fixed after sync you can try invalidate cache and restart

How to return an Observable from a Completable? I’ve tried this but I couldn’t get mObservableData on subscription

return data.flatMapCompletable{...}.andThen(mObservableData)

Hi everyone, i try create a chat in Android but i need a library to create a nice chat. My problem is that i cant find a library that allows me to create the chat and that is compatible with Android 27. Does anyone know that i can use? Thanks!!

I m using kotlin Fuel , when i make a service call using fuel i get the 404 exception but if i try to access them via browser i get the response

So I just used wrote the line

val a = this

in a function, and android studio tells me that this is a 'ticket', but I can't find anything referring to tickets on the Kotlin docs, or the Android docs, can someone tell me what it is? The only thing that appears with a return value when typing a. is a suggestion to call the function itself.

While my project compiles fine, the Android Studio IDE (3.1.2) started to behave very strangely. It says

AppCompatActivity

cannot be resolved or “Unnecessary non-null check for [ERROR TYPE]“. Everyrthing that should be imported from

kotlinx.android.sythetic

appears in red. Any ideas? I cannot understand what triggered this. I am trying to use some code of my own from an .aar file, but this seemed to work fine. (Invalidate caches etc did not fix anything)

just wondering if the parcelize on kotlin extensions is no longer in experimental

where is kotlin gsonFromat

foo.any { it.toLowerCase() == bar.toLowerCase() }

😛

It's telling you that "`V` is nullable, therefore

viewModel

could be null, which means we can't necessarily get its class". You probably want the upper bound on

V

to be non-nullable - change the class header to

class ViewModelProviderFactory<V : Any>

can i access the main function from within a file in the

java

directory? if so, how do i do that?

hey y'all can I get some help with redux (using kotlin)

I tried declaring the field as transient, with

@delegate:Transient

- still the same

the fields are also declared explicitly as optionals, e.g.

@delegate:Transient
val uri: String? by lazy { foo() }

the error is occored on the 19 line kotlin.KotlinNullPointerException

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lol alot is going ion in that one method lol. but I think more than likely the viewpager isn’t ready

have someone know it ?

You keep saying

Captor

but it looks like you mean

Matcher

(your snippet uses a matcher even)

Hi, I've been using Volley to send HTTP requests to my back-end. However this is causing the application to react slowly since it has to wait for the response in order to actually do anything. I want to make a query when the app first loads and use the data at a later point instead, but I'm unsure how I would go about that. (presumably setting some global variable or smthn) any advice?

I just started converting my app to Kotlin and used androidx with jettifier But it doesn't seem to work and gines an

Error: entry

error when try to run on emulator or phone via adb? Currently using Canary 15 Dependencies •Picasso •FastAndroidNetworking When i enable both androidx and jettifier in gradle properties file it gives the above mentioned error And when i use only the androidx then

support-v4 aldready exists

is the error (I think it is due to Picasso) Any ideas? PS: Naive android developer

I have a problem when I call the "vp_fragments!!.adapter = tradeFragAdapter" It occur "java.lang.IllegalStateException: Fragment already added: HomeCNYFrag{38e11c #1 id=0x7f09037f androidswitcher2131297151:0}" but its good in java code .Anyone have a idea to solve this problem,

One solution is change api to accept lambda instead of String msg like this

fun debug(tag: String, msg: () -> Any)

, but how will that API look like for java consumers 🤔

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Hey guys, trying to apply a consistent style guide for our team using Android studio and https://android.github.io/kotlin-guides/style.html seems more "official" than the included jetbrains one. But is there an importable style xml anywhere that matches it?

they are pretty different from Wharton's