Cast SDK Controller AlertDialog too big I've made a simple Chromecast project where I send a video to my TV. Everything works well until I try to customize the theme of the controller alertdialog. Here is my code: class CustomCastProvider(context: Context) : MediaRouteActionProvider(context) { init { dialogFactory = CustomCastThemeFactory() } } class CustomCastThemeFactory : MediaRouteDialogFactory() { override fun onCreateChooserDialogFragment(): MediaRouteChooserDialogFragment { return...

how to make api request call on Application class on Kotlin I need to get a data from an endpoint at begin of my app. I don't know if this is the best practice or not. But I need get it before app's started. I didnt a suggestion or solution on web

kotlin question about distinct by multiple fileds Here is original list: PersonList: List< Person > = { Person(id=1, country="US", gender="male") Person(id=2, country="US", gender="male") Person(id=3, country="CA", gender="female") Person(id=4, country="CA", gender="male") } Result: distinct by country & gender result -> listOf({country:"US", gender:"male"}, {country:"CA", gender:"female"}, {country:"CA", gender:"male"}) How can I do this? if I do Persion

How to send files with Retrofit? I was trying to send an image to the server using Retrofit 2 and multipart/form-data but getting error "open failed: ENOENT (No such file or directory)". Is it correct to send files to the server like this, or is the problem in the file directory? @Headers( "accept: */*", "Content-Type: multipart/form-data" ) @Multipart @POST("avatar") suspend fun updateAvatar(@Header("Authorization") auth: String, @Part("file") userImage: RequestBody): Response fun updateProfile( firstName: String,...

Server-side handling of non-nullable attributes in a DGS/GraphQL query This is my first experience building a GraphQL API. My team is using Netflix DGS with Spring Boot on the backend side to implement this API. I found a situation that I am not sure what is the proper way to handle. Please see the code snippets below: GraphQL schema type LegalEntity { id: UUID! name: String # other properties (omitted for...

Android cannot resolve kotlin's suspendCoroutine I'm using Kotlin in an Android project with latest libs, but when I write suspendCoroutine this cannot be resolved, what am I missing?

Subflow versus single flow calling while migration of 2000 states I want to update 2000 corda states of CarState while migrating from V1 to V2. In order to write a flow for that, two ways I can think of: Write two flows, which first flow get all the 2000 carstates and call the second flow passing each Carstate in loop by subFlow() function and in second flow, we can do the creation of newstate,Txn builder & Transaction finalization etc. Write a single flow, which get all 2000 carstates and in loop inside the same flow create newstate, txn builder, txn...

How to get intrinsic camera parameters in cameraX android As part of a react native module i had to get the LENS_INTRINSIC_CALIBRATION data from the camera2 api in a camerax fragment after trying many things i found the easiest way to do it is with the Camera2Interop camera2 library, which provides access to the Camera2CameraInfo class and you can use it like this: import androidx.camera.camera2.interop.Camera2CameraInfo import androidx.camera.camera2.interop.Camera2Interop import androidx.camera.camera2.interop.ExperimentalCamera2Interop ........

compileDebugJavaWithJavac' task (current target is 18) and 'kaptGenerateStubsDebugKotlin' task (current target is 19) compileDebugJavaWithJavac' task (current target is 18) and 'kaptGenerateStubsDebugKotlin' task (current target is 19) jvm target compatibility should be set to the same Java version. Doesn't Java have backward compatibility? because of a library I had to use java 18 in a project but I updated my jdk to 19 while ago. I shouldn't get this error, should I?

how to get a value from resource file in the main Activity class when using fragments? I'm developing an app with fragments and I want to use a value from "strings.xml" in MainActivity.kt. These are the names of the tabs. But, if I do this: private var title: String = getText(R.string.title).toString() I get this error when I run the code: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference If I do: private var title = getText(R.string.title) I also get the error...

Reassigning function body in Kotlin I need to change return function ( modify() method) in accordance with the object provided to the constructor. I see two ways to do it: Via function body reassign: class Modifier{ lateinit var func: ()->T constructor(sendable: Sendable){ func = { sendable.send() } } constructor(modifier: Modifier){ func = { modifier.modify() } } fun modify():T{ return func() } } and through intermediate variable: class Modifier{ var result:T...

Unprocessable Content when upload file Retrofit When I try to send a file via retrofit I get an Unprocessable Content error. How to fix this? val file = File(imageUrl) val req = RequestBody.create("image".toMediaTypeOrNull(), file.toURI().toString()) val json = apiService.uploadImage("Bearer $t", req) @Multipart @Headers( "accept: */*", "Content-Type: multipart/form-data", ) @POST("avatar") suspend fun uploadImage( @Header("Authorization") auth: String, @Part("file") file: RequestBody,...

Android Issues were found when checking AAR metadata: androidx.core:core:1.12.0-alpha01 and androidx.core:core-ktx:1.12.0-alpha01 I am working on project and today the build is not working anymore The error is the following: 2 issues were found when checking AAR metadata: Dependency 'androidx.corecore1.12.0-alpha01' requires libraries and applications that depend on it to compile against codename "UpsideDownCake" of the Android APIs. :app is currently compiled against android-33. Recommended action: Use a different version of dependency 'androidx.corecore1.12.0-alpha01', or set compileSdkPreview to "UpsideDownCake"...

Dagger Hilt Error : app:hiltJavaCompileDebug Task apphiltJavaCompileDebug error: ComponentProcessingStep was unable to process 'dev.kevalkanpariya.featuretesteduco.EduCoApplication_HiltComponents.SingletonC' because 'dagger.hilt.android.internal.lifecycle.DefaultActivityViewModelFactory' could not be resolved. Dependency trace:=> element (CLASS): androidx.hilt.lifecycle.ViewModelFactoryModules.ActivityModuleComponentProcessingStep was unable to process 'dev.kevalkanpariya.featuretesteduco.EduCoApplication_HiltComponents.SingletonC'...

How to change HtmlText color depending on the theme in jetpack compose? I show a text on the screen and this text comes from the service as an html string. Text() doesn't support string in html format, so I set up a structure for it. @Composable fun AboutUsScreenComponent( text: String ) { HtmlText(html = text) } @Composable fun HtmlText( html: String, modifier: Modifier = Modifier, style: TextStyle = MaterialTheme.typography.body1, hyperlinkStyle: TextStyle = TextStyle.Default, softWrap: Boolean = true, overflow:...

/StorageException: StorageException has occurred. Object does not exist at location i always got this error when try to add video to my app, i dont know to solve this problem. i want my videoview playing a video from my storage but always error and cant play video. maybe someone can help find the solution logcat E/StorageException: StorageException has occurred. Object does not exist at location. Code: -13010 HttpResult: 404 E/StorageException: { "error": { "code": 404, "message": "Not Found." }} java.io.IOException: { "error": { "code": 404,...

How to mark a type as not null? I want a generic method (or class) to behave something like this: val instanceS = MyCoolClass() instanceS.someMethod("some not null string") //compiles instanceS.someMethod(null) //doesn´t compile val instanceS2 = MyCoolClass() //Exactly the same instanceS2.someMethod("some not null string") //compiles instanceS2.someMethod(null) //doesn´t compile Just as I can mark a generic type (that can already be nullable) to be nullable like this: fun doSomething():T? = ... Isn't there something to...

Can't understand with Fragment Manager I'm trying to add a fragment using SupportFragmentManager, but the add function is highlighted in red. This code worked in another project. Probably something I don't understand. The whole problem is visible in the picture. Error: None of the following functions can be called with the arguments supplied. package com.example.homework4_task1.presentation.main import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import androidx.core.view.WindowCompat import...

java.lang.NoSuchMethodError: 'void kotlin.jvm.internal.FunctionReferenceImpl . Dont understand how to fix this I have a Java spring boot project where I am mixing kotlin. Though I am stuck with this runtime exception. Which I do not understand why it happens and how to solve this Caused by: java.lang.NoSuchMethodError: 'void kotlin.jvm.internal.FunctionReferenceImpl.(int, java.lang.Class, java.lang.String, java.lang.String, int)' at kotlinx.coroutines.flow.internal.SafeCollectorKt$emitFun$1.(SafeCollector.kt) ~[kotlinx-coroutines-core-jvm-1.6.4.jar:na] at...

Multiple Unit tests with Kotlin Coroutines uses the same scheduler inside a ViewModel despite injecting a new one for every test I have four similar tests in StartingViewModelTest. They all run successfully if run individually but when run after each other only the first one succeeds. The rest fail as the function startingOnEntry() = viewModelScope.launch(dispatcherProvider.computation) Fails to enter computation. I think I have identified the problem to be that the dispatcherProvider.computation is the same scheduler for all four tests but the @get:Rule var coroutinesRule = MainCoroutineRule() Creates a new...

When app is kill After Notification arrive then go to the activity after app is background then open app redirect to the previous activity When my app is killed and the notification comes and it redicects to the activity then app is background when I open the app again it sends me to Direct last open activity. when back press call on destroy method..this is complete..but after that when i open the app after redirect to the previous activty (intent is not null) how to null intent after redirection will completed

How to mock the return type Try&lt;Unit&gt; in a Spring Boot reactive unit test with Kotlin? I'm trying to write a unit test for a function in my Spring Boot reactive application that returns a Try object. Here's an example of the function signature: suspend fun upsertUser(uuid: UUID, creditorIds: Collection, xid: String?): Try = runCatching { // Implementation code here } I'm using coEvery from the MockK library to mock the function call in my unit test, but I'm not sure how to specify the return value for a Try object. Here's an example of my current mock setup:...

How to convert List&lt;SomeModel&gt; to retrofit Response&lt;SomeModel&gt; kotlin I have a list of some model (data class). Can I convert it to retrofit Response wrapper? Like: val list = List val response: Response = list.map(domainToPresentationMapper::toPresentation)

Android studio Incorrect whitespace warning every new line Starting with Android Studio Electric Eel (problem still present in 2022.1.1 Patch 2) I'm experiencing a problem with formatting warnings. I have Incorrect formatting warnings enabled from the settings. Every time a add a new line, since the IDE adds an indentation that follows the previous line one, I see a warning: If I remove the indentation at the start of the line, the warning disappears. <a...

How to sort 2D array in kotlin according to it's column using comparator &amp; lamda function? I want to sort 2D array in Kotlin, I know how to do it in java but it is not working in Kotlin, there must be a different syntax. I surfed on the internet but couldn't find a direct syntax solution. I am creating a random 2D array and I want to sort it with respect to it's 3rd column. fun main(){ val rows = 3 val cols = 4 val arr = Array(rows) { r -> IntArray(cols) { c -> r + ((Math.random()*9).toInt()) } } for (row in arr) {...

Use a singleton class in kotlin, but call an external function to initialize it? I want to wrap Jacksons ObjectMapper class and turn it into a single instance tool class. But the singleton class has no constructor, I don't know what should I do? I hope to achieve such a function, see the pseudo code below: object Jackson: ObjectMapper() = jacksonObjectMapper().configure(DeserializationFeature.FAIL_ON_IGNORED_PROPERTIES, false)

Get a list of data from a dynamic checkbox in Kotlin need help. I want to get data on toppings from a dynamic checkbox. When a user clicks the order button, i want the data checked in the checkbox to be sent to another activity. As in the following image. From Detail Activity : To Checkout Activity : I've got the topping list using ryclerview on the Detail Activity, so the checkbox indicates...

How does one connect an android activity to a broadcast receiver which then updates a ViewModel using Kotlin? I'm a bit of a newbie with android studio and kotlin so please excuse the lack of technical jargon. I have an activity that uses google maps Api to show a map with created geofences. The activity also has some textviews that will update with the number of times a user has entered a particular geofenced area. The mapsactivity.kt works well with the geofencebroadcastreceiver.kt...the geofences are created and I get toasts from the receiver file telling me when I enter, dwell and exit the...

erorr when trying add url from youtube Firebase Database paths must not contain '.', '#', '$', '[', or ']' i want to retrieve url from realtime database to my app, but i got this error. unsure what happen to my code, maybe someone can give a solution to fix this error ? log cat E/AndroidRuntime: FATAL EXCEPTION: main Process: com.edushare.edumathh, PID: 24607 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.edushare.edumathh/com.edushare.edumathh.home.kelas.materi.MateriActivity}: com.google.firebase.database.DatabaseException: Invalid Firebase Database path:...

how to dynamically change icon to google I'm trying to change this icon, but I can't find information on how to do it android studio I need this icon to change to google at the moment of opening the user's request so that the user thinks that he is in Google.