add multi TextView to horizontal Linearlayout with full value i have multi textview that want adding automatically to horizontal linearlayout,but this show just two textview and show Summary valu of textview like picture this textview has animation that move right to left. how to show all textview with full value ? val N = response.body()!!.size // total number of textviews to add val myTextViews = arrayOfNulls(N) // create an empty array; var list = response.body()!! for (i...

Android MediatorLiveData removeSource not working I am using MVVM + LiveData + Dagger 2.27 on my app. i am trying to call 2 APIs at the same time. viewModel.getMyPendingUnits() viewModel.getMyApprovedUnits() and I am using MediatorLiveData to combine 2 observers val approvedUnits = MutableLiveData() val pendingUnits = MutableLiveData() val approvedAndUnApprovedUnitsLiveData: MediatorLiveData = object : MediatorLiveData() { var approved: Resource? = null var pending: Resource? = null init {...

Is Kotlin Flow's Collect is only internal kotlinx.coroutines API? Taking the direct example from https://kotlinlang.org/docs/reference/coroutines/flow.html#flows-are-cold fun simple(): Flow = flow { println("Flow started") for (i in 1..3) { delay(100) emit(i) } } fun main() = runBlocking { println("Calling simple function...") val flow = simple() println("Calling collect...") flow.collect { value ->...

Moshi cannot parse nullable Hello) Hope you can help me. Using kotlin (Retrofit2 + moshi) i getting data from "https://api.spacexdata.com/v3/launches" and parsing it. All is going fine (i getting attributes like: flight_number, mission_name), but some attributes have "null", like "mission_patch" - there are 111 objects. 109 of them have data at "mission_patch", 2 objects dont have it ("mission_patch":null). My problem: moshi cannot parse correctly attribute which contains null. if i using: data class SpaceXProperty(...

How to use multi-generics in modules？ In java, i hava code like below: public class GenericTest { private static final GenericTest instance = new GenericTest(); IRequirement requirement; public static GenericTest getInstance() { return instance; } public class ClassA {} public interface InterfaceA {} public void init(IRequirement requirement){ this.requirement = requirement; } public interface IRequirement { T supply(); } class ClassB { void...

MockK causing a StackOverflowException with kotlin Hy I am trying to use MockK with Kotlin for backend services. My development machines is windows with OpenJDK 11.0.9, for some strange reason, when I run the unit test the execution stay alive until test timeout is thrown with a following message: per (java.base@9/Class.java:1457) at java/lang/Class.getMethod (java.base@9/Class.java:1361) at java/lang/Object.hashCode (java.base@9/Object.java:122) at java/util/HashMap.hash (java.base@9/HashMap.java:339) at java/util/HashMap.get...

How to get Settings.Secure.ANDROID_ID value without code? So I am basically making a business to business android application, and to prevent other people from using my app I decided to use the android secure ID, which I used this code to get: String androidId = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID); I was just wondering if there is any way for the client to get that ID themselves before download the app? Can it be found in the settings somewhere or is that not possible? I tried to read a lot of articles...

Reopen Kotlin project cannot run and got Class 'MainKt' not found in module on intellijIDEA Reopen Kotlin project cannot run and got Class 'MainKt' not found in module Try to rebuild, invalid&restart didn't work

Getting Internal Server Error 500 on Graphql Mutation viewModelScope.launch { val req = RequestCodeMutation(phoneNumber) val response = try { ApolloClientManager .apolloClient .suspendMutate(req) } catch (e: ApolloException) { println(e.message) isError.value = true null } finally {...

Put File as Binary with Ktor HttpClient in Kotlin Multiplatform Project I have a multiplatform project in which api code is shared between iOS and Android. There is "put" api to upload local audio file as Binary. Ive created httpclient as follows val client = HttpClient { defaultRequest { url { protocol = ServiceConfiguration.protocol host = ServiceConfiguration.baseUrl port = ServiceConfiguration.port } contentType(ContentType.Application.Json) }...

Android App Kotlin: Unresolved reference: maps I have followed this guide https://developers.google.com/maps/documentation/android-sdk/start#None-kotlin and when I get to "deploy and run your app" the program says "Unresolved reference: maps" in my Maps.Activity.kt package com.dinmor.festivalmaps // Copyright 2020 Google LLC // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file...

custom Keyboard without android.inputmethodservice.Keyboard I want to have a custom keyboard for some of my input. I found the android.inputmethodservice.Keyboard library but now it's deprecated. There is a way to do custom keyboard whithout use this library ? Thanks for your answers !

Hamcrest and Mockk for Kotlin Multiplatform Mobile I am trying to write tests in the shared module of a KMM project. In the shared module's build.gradle.kts file I have the following: sourceSets { val commonMain by getting val commonTest by getting { dependencies { implementation(kotlin("test-common")) implementation(kotlin("test-annotations-common")) //TODO: Hamcrest...

How to check if document is exist in FirebaseFirestore [duplicate] Today I come to you with one question - I am currently creating an Android application that works with firestore and I would like to implement a method / class to check if there is a document with a given path in one of the collections. I tried to do this by trying to get data from one document, then if the object does not exist, I wanted to return the value of the second path, and the default would be the value of the path checked (hope you understand, I mean :D). And here's the problem -...

Reference resources in kotlin kdoc is not clickable I want to mention a layout in my Javadoc which converted from java to Kotlin. In java it was: /** * ... inside the {@link R.layout#view_main} */ which was clickable, but when I converted this class using android studio tools. It is changed to: /** * ... inside the [R.layout.view_main] */ which is not clickable. How can I make it clickable?

How can firebase phone auth be implemented in view model? I'm trying to add the Firebase Phone Authentication code inside a View Model using Kotlin. The problem is that the PhoneAuthProvider requires an activity. Does anyone know how can this code be implemented inside a View Model without the need of an activity? Thanks! val mCallbacks: PhoneAuthProvider.OnVerificationStateChangedCallbacks ... val options = PhoneAuthOptions.newBuilder(auth).apply { setPhoneNumber(phoneNumber) setTimeout(120L, TimeUnit.SECONDS) setActivity(this)...

How to update cart value 'in real time' in Cart Fragment(Android) I am working on an Ecommerce app. I have come to the first problem I don't know how to tackle, I want to update Cart Value without having to reenter Cart Fragment so if somebody removes a product from the Cart, Cart Value should go down immediately straight away. I have tried several different approaches but none seem to be working. Users add products to cart in Product Detail fragment -> User goes to cart and sees products in cart via Recycler View -> I have a field with Total Price that is...

How to render Bitmap off-screen in Android using OpenGL? I need to render a bitmap without displaying it on the screen. For that I create OpenGL context using EGL14 as described in this answer. Then I save OpenGL surface to bitmap using GLES20.glReadPixels. But for some reason it is not rendered as expected and is just transparent. import android.graphics.Bitmap import android.opengl.* import android.opengl.EGL14.EGL_CONTEXT_CLIENT_VERSION import java.nio.ByteBuffer class Renderer {...

How to show value from negative to positive in mpandroid barchart? I'm using mpandroid barchart and I have set negative and positive value in it but I want to that in barchart values start from -100 to 0 and 0 to 10, 20 etc.

is it possible to prevent kotlin from changing parameter names in functions in implemented interfaces? is it possible to prevent kotlin from changing parameter names in functions in implemented interfaces ? for example in this implemented spinner AdapterView.OnItemSelectedListener: kotlin changes default parameter names : parent: AdapterView, view: View, position: Int, id: Long to p0: AdapterView?, p1: View?, p2: Int, p3: Long spinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener { override fun onItemSelected(p0: AdapterView?, p1: View?, p2: Int, p3: Long)...

Create generic extension to make a deep copy of a List with Data Class Hi I'm trying to create a generic function to make a deep copy of list using the copy() method that a Data class provide us. I'm using the method that I found on other post which returns a list of objects being deep copied: listDataClass.map{ it.copy() } But I can't seem to know how to make it as a generic function for data class so I'm really curious to see how'd you make one like this.

How do I reveal a MS Graph (search result) driveItem File's path (folder)? I have following (kotlin/java based) query in MSGraph var driveItemSearchCollectionRequestBuilder = safeGraphServiceClient .sites(SHAREPOINT_SITE_ID) .drive() .root() .search("¤A=118628") do{ driveItemSearchCollectionPage = driveItemSearchCollectionRequestBuilder?.buildRequest()?.get()?:break driveItemSearchCollectionPage.currentPage.map {driveItem-> driveItem?.let{ safeDriveItem -> //Here I need to find my...

JNI access object field with generic type I have a generic class that looks somewhat like this: public class Foo(arg: T) { var bar = arg } What type signature should I use to get fieldID of bar in C? const jclass Foo = env->GetObjectClass(obj); const jfieldID barID = env->GetFieldID(Foo, "bar", "???");

How to trim multiple lines in a string Android? Hi we need a formatted string for our application. Blow the candles real hard, Coz now you have aged, Don't pretend so much my dear, Don't behave so sage, Happy birthday to you, Have a nice day, Make the most of your day! I want to format a string as shown above, when I use trim() function for string it gives the result as Blow the candles real hard, Coz now you have aged, Don't pretend so much my dear, Don't behave so sage, Happy birthday to you, Have a nice day, Make the most of your...

How to implement the GPS coordinates on a image with watermark So I am doing a project, involving the GPS Current location and a camera to take photos with GPS data on it, my concern is I want to make a button to open the gallery to select the image that I took a photo from the camera and display in a watermark the necessary coordinates through GPS (Longitude, Altitude, Latitude, Azimuth, Pitch, Roll and etc.) and make it into one watermark. Thank you in advance for those who are willing to tell me every detail they know and source. I apologize in...

how to automatically change text in textview every few hours My app have a textview that displays text on homescreen. I want to change that text automatically every few hours. Code for now textview is below, I want the android:text to get updated from a few choices add at an interval of everyfew hours.

Code improvement: Count the number of occurrences of elements in an array and return the most repeated element I wrote both the implementation of IP and FP, but the implementation of FP feels some kind of wired. First, impl of IP: public static int countThenMaxOf(int[] intArray) { int[] flags = new int[intArray.length]; for (int i : intArray) flags[i]++; int indexOfMax = 0; for (int i = 0; i < flags.length; i++) { if (flags[i] >= flags[indexOfMax]) indexOfMax = i; } return intArray[indexOfMax]; } Then FP version: public static long func(int[]...

Android viewpager2 tab layout with FragmentStateAdapter I am using ViewPager2 with Tab Layout. Here is my MainFragment code - override fun onViewCreated(view: View, savedInstanceState: Bundle?) { super.onViewCreated(view, savedInstanceState) binding.viewPager.adapter = MyPagerAdapter(requireActivity()) TabLayoutMediator( binding.tabLayout, binding.viewPager ) { tab, position -> binding.viewPager.setCurrentItem(0, true) when (position) { 0 -> tab.text = “Tab A” 1 -> tab.text = “Tab...

Kotlin fragment if statement issue In my code (in same class) i just call the function like this: menuChange(ClickerFragment()) And my function is here: fun menuChange(frag: Fragment){ if(frag == ClickerFragment()){ println("Statement worked!") } println("Function worked!") } When i run this in console screen, i can see only "Function worked!" text. Idk why if statement not working. But however "frag" is always equal in this case.

How do I put JPA annotations on delegated properties in Kotlin? So let's say I have a JPA entity like @Entity @Table(name = "plasmid_reference") class PlasmidReference { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) var id: Int? = null @Column(name = "project_id") var projectId: Int? = null @Column(name = "plasmid_id") var plasmidId: Int? = null } Now, I know that for each and every entry in the plasmid_reference join table none of these properties will be nullable. (In fact, the database enforces this.) How can I...