Kotlin VSCode extension unable to find the 'mvn' command But in a terminal I can see a Maven version: 11:58 $ mvn --version Apache Maven 3.8.4 (9b656c72d54e5bacbed989b64718c159fe39b537) Maven home: /home/stephane/.asdf/installs/maven/3.8.4 Java version: 15.0.2, vendor: AdoptOpenJDK, runtime: /home/stephane/.asdf/installs/java/adoptopenjdk-15.0.2+7 Default locale: en_US, platform encoding: UTF-8 OS name: "linux", version: "5.4.0-91-generic", arch: "amd64", family: "unix" I'm using the <a href="https://github.com/asdf-vm/asdf" rel="nofollow...

Json data to ListOf in android studio I want to create a list using JSON data but I got an error please see the list below val imagesList = listOf( R.drawable.ic_bell_fill, R.drawable.ic_cloud_upload_fill, R.drawable.ic_emoji_smile_fill ) This type of list I want using JSON data in kotlin

Easiest way to do object motion detection while using CameraX and Jetpack Compose here is the goal: to develop an Android App with Jetpack Compose and CameraX that performs object motion detection. Any time the camera detects an object's motion it triggers an event. This is a surveillance app. Furthermore, there is the possibility of having various levels of sensitivity, related to movement tolerance. From what I have seen so far the solution passes by the use of ML Kit, or other machine learning solutions. Is there any other easiest option, that compares frames and in...

Firebase Text Recognition "processImage" always fails [Text] I've followed along on several examples online about using the Firebase text recognition software and i've tried to narrow it down to the simplest case where i try to process a simple image with basic text, and the algorithm always fails. I'm using android studio with kotlin. Any help with the "processImage" function would be appreciated [note, some of the other functions may not be debugged yet]. Here are some pieces of code. Any tips on debugging this would also be appreciated....

PHONE_ACCOUNT_ID and Subscription Manager (getActiveSubscriptionInfoList), TelecomManager(callCapablePhoneAccounts) giving different values? I want to retrieve the call logs based on the selected sim. So for android 10 and above I am using the TelecomManager (callCapablePhoneAccounts) and for the versions less than android 10 I am using the Subscription Manager (activeSubscriptionInfoList). Both provide me with the correct sim Iccc, however, when I try to filter the call logs, the CallLog.Calls.PHONE_ACCOUNT_ID gives me subscription Id as 0. I also tried saving the subscriptionId along with the iccId, but even its different in...

Swift version of byteaArray to String from Kotlin i have this code in Kotlin fun bytesToHex(data: ByteArray, length: Int): String { val digits = "0123456789ABCDEF" val buffer = StringBuffer() for (i in 0 until length) { val v: Int = data[i].toInt() and 0xff buffer.append(digits[v shr 4]) buffer.append(digits[v and 0xf]) } return buffer.toString() } How is that on Swift 5? thanks

Can't insert into room database because of var initialization Android I'm trying to make an Android application using Kotlin, Room Database and both view model and view model factory. The issue is that when I try to create the object of the entity I am trying to insert, I just get this warning (which i think in this case makes no sense): Anyway, here are my Fragment, FragmentViewModel,...

Manually observe SnapshotStateList How to manually observe SnapshotStateList or MutableState? It said that mutableStateListOf returns list that can be observed, but I can't find such method. Is it true that only Compose can observe changes?

Destination of Android Navigation Component SCENARIO: I use BottomNavigationView component on my app setup with Android Navigation Component. It's a Social Network app with Home, Feed, Challenges, Map and Profile as main destinations of the app. There are 2 destinations (destination_feed and destination_profile) that use a third destination (navigation_graph_posts) inside them. The picture below shows more or less the scenario: PROBLEM: When I access...

I am having problem in starting android studio runtime erorr: ERRORC\Users\raya.gradle\caches\transforms-3\d754e7ce487b25c354202c6c0ee944ea\transformed\material-1.4.0\res\values\values.xml13165-132711 AAPT: error: style attribute 'android:attr/dialogCornerRadius' not found.

Android: Remove all metadata from video Is there any native/existing/manual way to remove all the metadata of a video file in Android/Java/Kotlin from a (content) URI? For photos, we can still use ExifInterface and remove the metadata we want by using setAttribute and passing null to delete the given/desired values, however this doesn't work for videos because an mp4 video has it's own metadata format. If there is no native Android class that can do this, is there any algorithm or reference that can be referred in order to...

Reified inline function in Kotlin still leading to compiler error on 'is' check I have the following function: inline fun create(preference: Preference, title: String = ""): DebugOption{ val type = when (preference) { is Preference -> Type.STRING is Preference -> Type.BOOLEAN else -> Type.STRING } return DebugOption(type, preference, displayTitle = StringModel(title)) } I was expecting to be able to easily perform this 'is' check, since the generic type is reified, but I am still getting a compiler...

Kotlin ListView items not appearing after populating from withContext(Main) My problem is that I'm trying to populate a listView with data from an API response, and for some reason after populating the list, it stays blank like the actions in the populateCityListView method ran in a completely different thread/scope. The listView has a custom adapter so I can implement the edit and delete buttons for the list items. My guess is there is problem with the Coroutine scope handling The activity: <a href="" rel="nofollow...

Append List of array to an array and repeat this in kotlin I can't seem to find a right solution. Trying to add a list of array to another array. With my Python background it is easily done but not in Kotlin. fun main() { val even = arrayOf(2, 4, 6) val odd = arrayOf(1, 3, 5) val arr1 = arrayOf(even, odd) val extra = arrayOf(7,7,7) val arr2 = arrayOf(arr1, extra) print(arr2.contentDeepToString()) } When executing above code I receive... [[[2, 4, 6], [1, 3, 5]], [7, 7, 7]] What I want to achieve is this .... [2, 4, 6], [1, 3, 5],...

Kotlin - How To Return Nested Variable? I am new in Kotlin Language and don't know how to RETURN variable from the following function. Can you please help ? Here is the code... downloadData.setOnClickListener { val handler = Handler(Looper.getMainLooper()) handler.post { val fetchData = FetchData("http://localhost/xampp/CRM/PHP/show_contacts_db.php") if (fetchData.startFetch()) { if (fetchData.onComplete()) {...

Can a method parameter contain a reference to other variable instead of containing a value? In the code below, i'd like to generalize it so I instead of viewBinding.editText.text and viewModel.property.price can use the same method for e.g viewBinding.secondEditText.text and viewModel.property.income. I'm thinking exchanging viewBinding.editText.text for a variable defined in the primary constructor, but then I'd need the variable to contain a reference to viewBinding.editText.text/viewBinding.secondEditText.text etc. instead of containing a value. Is this possible? I've looked at...

Is Kotlin Poet JVM target only? I want to use it for native Did not find any reference on that - all examples seem to be using KVM / Android code. Is it possible to use Poet for a native target?

has kotlin compiler a bug with plus operator? I like kotlin's += syntax for lists. Its a concise and intuitive notation. But recently I discovered an edge case, where I suspect, the compiler is buggy. java.nio.file.Path is defined recursively public interface Path extends Iterable, ... And that seems to cause problems for Iterable's plus operator in kotlin-stdlib. private val abc = Path.of("/tmp/abc.txt") private val def = Path.of("/tmp/def.txt") @Test fun `plus operator List Path`() { var list = emptyList() list += listOf(abc)...

Do I need to make a distinction between data model and sealed class in multitype recyclerview? I asked a question because I had a question while studying MVVM while making a multitype recyclerview. Currently, items are created using each data class and processed according to the list to be used in recyclerview using sealed class. (In other words, the model class that creates the item and the sealed class that will be used for the list are separated.) But the question is whether it should be done in this way....

Visibility modifier affects Object property visibility I have an example code below: class C { private val obj = object { val x: String = "x" } fun printX() { println(obj.x) } } If I remove private modifier from obj, then x will become unresolved in printX function. Can anybody explain me the 'compilers logic' behind this? Thank you.

WearOS next activity crashes i just started Android / WearOS development with Kotlin and got stuck at going to another Activity in my WearOS App. I want to click an imagebutton witch sends you from Mainacivity to Activity2. It crashes and says: Caused by: java.lang.InstantiationException: java.lang.Class has no zero argument constructor I already tryed to fix it by adding the following code in the Manifest: android:name=".Activity2" android:exported="true"...

android studio volley wait for response I'm trying to make an app that makes an API call and get a JSON array in response, and then, after some parsing it returns a string from the API. Here is the code for the request (in kotlin): private fun apiCall(context: Context): String { val url = "https://example.com" val queue = Volley.newRequestQueue(context) var day = "" val jsonArrayRequest = JsonArrayRequest( Request.Method.GET, url, null, { response -> val listData = ArrayList()...

Concise way to implement the same function for a subclass return type I have a multiplication operator override in my base class open class Tuple( open val x: Double, open val y: Double, open val z: Double, open val w: Double ) { open operator fun times(scalar: Double) = Tuple(x * scalar, y * scalar, z * scalar, w) } I would like for this operator override to work exactly the same for subclasses data class Point( override val x: Double, override val y: Double, override val z: Double ) : Tuple(x, y, z, 1.0) {...

How to get Background Color from a view Android Stduio (Casting RippleDrawable to ColorDrawable) I want to get background color for a view here is my Code val btnTextColor : Button = dialog.findViewById(R.id.btnLabelTextColor) val bgColor : ColorDrawable = btnTextColor.background as ColorDrawable But it return this error android.graphics.drawable.RippleDrawable cannot be cast to android.graphics.drawable.ColorDrawable My View color is solid, taken from the colors.xml. is there any way to get background color from a view?

Forms with Kotlin : How can I add a drop down menu in a form in Kotlin I'm starting with Kotlin and I was wondering how can I make a form in Kotlin with a drop-down menu. I made this but isn't look good. Code: var billingPeriodExpanded by remember { mutableStateOf(false) } var selectedIndex by remember { mutableStateOf(0) } OutlinedTextField( value = billingPeriodItems[selectedIndex], onValueChange = { selectedIndex = billingPeriodItems.indexOf(it)...

Android:validate if an layout or activity it is open? First layout contains a map and when a request arrive automatically open a second activity. I only have to show a layout once, wich its called by activity and inside activity i use navigation to show the second layout2. All works OK but layout2 open 2 times.I have been reading the code and discover a validation to use it with if, so if don't exist show it else dont show it. private fun validatelifefragment(): ExampleFragment? { return...

Where can I find free job search API that doesn't require authentication I'm looking for a free REST API service for business search which doesn't require HTTP bearer authentication scheme that has single search query for my android studio project. Are there any of those? Thanks in advance.

Toolbar appearing too early on navigate I have this bit of code in my MainActivity. It hides the Toolbar on the app's first 2 splash screens. For all other destinations the Toolbar is visible. navController.addOnDestinationChangedListener { _, destination, _ -> val dest: String = try { resources.getResourceName(destination.id) } catch (e: Resources.NotFoundException) { Integer.toString(destination.id) } when (destination.id) { R.id.splash1, R.id.splash2 -> {...

How to use VS Code for Jetpack Compose I installed the Kotlin plugin from Mathias Frohlich. But all imports and class references have errors. Honestly, I did expect this because Jetbrains have mentioned that developers have to use Android Studio Arctic Fox to develop using Jetpack Compose. Is there anyway to make Jetpack Compose compatible with VS Code? May be an unpopular extension? The thing that I noticed was that VS Code was not able to detect android and androidx imports. So if there is a way to solve this first, even if it...

Jetpack Compose LazyRow and LazyColumn for category section auto scrolling I am trying to build a screen with two main items. One of them needs to be a horizontal scrolling component where I will have some categories placed, second one being a lazyColumn below which has a Title + some sub category tiles underneath (cards) The behaviour i want to achieve is, whenever you click on one of the items on the LazyRow, the LazyColumn below scrolls to that section, and vice versa, when the LazyColumn is scrolled, the LazyRow reflects the section it was scrolled to. I could...