How can I pass the data from RecyclerView (ProductActivity) to DetailActivity? In this project, I have to make a RecyclerView that will fetch the Firebase data. When someone clicks on any particular item in the RecyclerView, I want to open DetailActivity with the same data fetched from the Firebase. I know this is easy and can be done using intent.putExtra but I'm new here in Kotlin. Help me with the solution, please. Below I'm attaching my code of ProductActivity.kt. class ProductActivity() : AppCompatActivity(), ProductAdapter.OnItemClickListener { private var...

Why doesn't viewmodel observe in sequence? The LoginActivity has two observe viewmodels; one user login, the other one fetches data from the cart, and below the two observe viewmodels, I have Toast to show the message "Finish." I am wondering why, when I click the login button, it shows the message "Finish." It should show "Login successful." Why not execute them sequentially? I want to execute code login, then check if the user is logged in, and then retrieve the cart item that the user added to the cart from the API using retrofit....

ktor - okhttp - send a post request with key and pem certificate I use Ktor with okhttp. My customer has a query which needs a Mutual TLS. I have the key and the pem certificate but I didn't manage to use them correctly. No problem with curl with this command: curl --key mykey.key --cert mycert.pem https://someurl.com/my-endpoint I don't have a trust certificate or something like that. Have you got an example in Kotlin please ? Thanks

How to deselect items in recycler view and validate it? I am beginner in Android Kotlin , I am developing app which requires a selected data from recycler view to be in an arraylist. selection work fine ,if i selected item it will validate the value is null or not. if value not null button will enable. the problem is when i unselected item, the button is still enable and item still not removed from the selected data arrayList(data from API). if someone could help me to solve the issue, will be very glad. Thanks a lot. here is my code private...

Gradle Not Syncing-Gradle's dependency cache may be corrupt? When gradle tries to sync this error comes up: class org.codehaus.groovy.ast.expr.TupleExpression cannot be cast to class org.codehaus.groovy.ast.expr.ArgumentListExpression (org.codehaus.groovy.ast.expr.TupleExpression and org.codehaus.groovy.ast.expr.ArgumentListExpression are in unnamed module of loader org.gradle.internal.classloader.VisitableURLClassLoader @5e3a8624) class org.codehaus.groovy.ast.expr.TupleExpression cannot be cast to class...

how to make this component on android? how to make this component on android? Any idea which way to go? Do you know any libraries that do this?

My Flutter app doesnt appear in the emulator when I try to run it I am trying to run my application and show it in the emulator, but this is what only apears on the emulator. shown in this image] this is the logs in the debug console Launching lib\main.dart on sdk gphone64 x86 64 in debug mode... Parameter format not correct - √ Built build\app\outputs\flutter-apk\app-debug.apk. Connecting to VM Service at ws://127.0.0.1:57340/E1yBk-si8d0=/ws [GETX] Instance "PrefUtils" has...

How to create digital assistant in Android Studio? [closed] How do I create my own 'digital assistant app'? Which statement in AndroidManifest should be use? For example to declare an AccessibilityService we use: So how do I get a digital assistant app? Thanks to anyone who can help

Original theme broken with API Splashscreen Android 12 (only MainActivity) I added the new Splashscreen API (androidx.core:core-splashscreen:1.0.0-rc01) on my app, after that my margins/paddings are broken but only for my launcher activity (MainActivity) especially for alert dialogs opened from this activity. In other activities, no problem, everything is working fine. Below, my alertdialog without the Splashscreen implemented, my paddings/margins are OK : And now with Splashscreen...

RecyclerView failed to initiatlized due to dead object I am struggling the get this recycler view working. I have used many of them but never face this issue. I have to implement a scrollable left-right view in a a NavigationView. The goal is to have a list of items in a menu. So, the activity.xml is using: and the recycler view is supposed to be shown in the header. I kind of have a vertical Layout with header, menu items and bottom header. The header is defined in app:headerLayout="@layout/layout_nav_header" and it looks like this:...

How I can use multiple rows in one recyclerView (Kotlin) I want to use differnt rows in my app which users based on Firestore Database. So i want separate users by point number (Long). How can i do that?

Proper integration of Admob Banner ads in JetPack Compose I am looking for correct integration of Admob Banner ads in my JetPack Compose View. In my case, I used to load Banner Ads in LazyColumn between various LazyColumn Items. But I am having a problem with combination of LazyColumn and Banner Ad. The banner Ad loads perfectly initially, but once I scroll away from my Ad view and the banner Ad becomes hidden, and then when I scroll back to my banner ad view, the ad view starts to reload again and the previously loaded ad gets killed. Can anyone...

swipeToDelete works but can't get icon to show up I wanted my listitems to be swipeabel in order to delete them and I found this code through a video and it works for me if i comment out some stuff and dont't pass a context to the abstract class. now the thing is that I can't get the delete icon to work and the problem seems to be that by the time i call this abstract class i don't yet have usable context i can pass on. abstract class SwipeToDeleteCallback(context: Context) : ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT) {...

How to improve Kotest+Mockk Spring Weblux Handler unit tests performance? I have the following project, still in development: https://github.com/TarekSaid/blotit, using Kotlin and Spring Webflux. I was writing my unit tests with Spock (Groovy), but after some issues with testing Kotlin Coroutines and being unable to use syntactic sugar with data classes (even with @JvmOverloads), I've decided to switch to Kotest + Mockk. My only issue now is with the handler unit tests' performance, as I...

File picker in Kotlin without using deprecated functions [duplicate] Is there any tutorial showing how to write a file chooser for regular documents (like PDF) without the use of StartActivityForResult()? I think I've looked everything.

How to close Flux when client disconnected I want to implement log tailer over http, please see code snippet below: fun getFileUpdatesStream(fileName: String): Flux { var tailerToBeStopped: Tailer? = null return Flux.create { sink: FluxSink -> println("--------stream created--------") sink.next("\r\n")//Clear screen in browser val listener = object : TailerListenerAdapter() { override fun handle(line: String) { sink.next("$line\r\n")...

Kotlin file picker without using any deprecated functions? [duplicate] Is there any tutorial showing how to write a file chooser for regular documents (like PDF) without the use of StartActivityForResult()?

Android Kotlin migration: Unresolved Reference I'm migrating my multi-module Android app from Java to Kotlin, and being in an advanced stage have come across with the next issue: Android Studio complains with "Reference not found" from class from another module when building. The weird thing is that there is no Lint underlined text in red, in fact intellisense (auto-complete) detects all the packages until "AppSettings" with no problems, but cannot build. I can't paste much code, but at least a screenshot of the problem. <a...

Compose hoisting state works only on click and not if I pass the lambda function in other parts Was following the famous codelabs, also presented at Google I/O regarding a button called Add one that when is clicked recompose the View and shows two text view on top the code below works passing the lambda onIncrementCount = {count++} when the user clicks, but if I try to pass the onIncrementCount instruction just below Row the instruction is not executed, namely the view shows the two...

JETPACK COMPOSE "Cannot find parameter with this name: contentAlignment" Am i missing an import or something? Why is this basic function giving me errors all of a sudden

Unsupported metadata version. Check that your Kotlin version is &gt;= 1.0: java.lang.IllegalStateException I changed my Kotlin version from 1.6.10 to 1.7.0. from this implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.10' upgrated to implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.0' But Hilt throws an error. My Hilt version is 2.42. Is there a way to fix this without downgrading again? It works fine in Kotlin 1.6.10 and Hilt 2.42. But I want to use it by upgrading my kotlin version.

What's the best way for building a file picker in Kotlin? Now when certain functions became deprecated, how should we construct a file picker for files and documents?

How can I delete parent of child without know the parent id but I know the parent's child values in firebase realtime database I need to delete parent of child.("title") which has value $title but here the problem is I don't know the id of the parent, this is my code val bundle:Bundle?=intent.extras val title = bundle?.getString("getTitle") ?: "" val uidFromAuthentication = auth.currentUser val ref = FirebaseDatabase.getInstance().reference.child("History").child(uidFromAuthentication?.uid.toString()) ref.get() .addOnSuccessListener { val dataSize = it.childrenCount val getTitleOfNews =...

Check users data in firestore Kotlin I want to check users data in firestore and navigate to activities If in users field there is a data as "Admin" navigate to AdminActivity else if "User" is present i want to navigate to UserActivity.

Jetpack Compose Navigation: How to handle backstack in multi-graph app? I have two graphs in my app. One is AuthNavGraph which contains auth-related screens like login and signup, and the other is MainNavGraphwhich contains BottomNavigationViewwith top-level destinations. Here are my destinations : interface RubiBrandsNavigationDestination { val route: String } sealed class Destination( override val route: String, val arguments: List = emptyList() ) : RubiBrandsNavigationDestination { object LoginDestination : Destination( route =...

Непонятная ошибка при запуске Android приложения Я использую обычные фрагменты для навигации. Приложение было протестировано на своем устройстве (Honor 30i), на Самсунге A02 и эмуляторе Pixel 4, но после установки у пользователей возникает следующий краш в Crashlytics : Fatal Exception: android.content.res.Resources$NotFoundException Unable to find resource ID #0xffffffff android.content.res.ResourcesImpl.getResourceTypeName (ResourcesImpl.java:310) android.content.res.Resources.getResourceTypeName (Resources.java:2334)...

Corner rounding not visible in jetpack compose Actually this is the code, the only thing missing is the rounded corners, I tried it and it does clip content, but it is not visible. @Preview @Composable() fun Horizontal_card (){ Row( Modifier .size(width = 352.dp, height = 80.dp) .background(MaterialTheme.colors.background) .clip(RoundedCornerShape(10.dp)), verticalAlignment =...

Android Screenshot Capturing Programtically I implemented the below function to capture a screenshot of the current view of my app. val v = this.view!! val w = v.width val h = v.height val bitmapBuffer = IntArray(w * h) val bitmapSource = IntArray(w * h) val intBuffer: IntBuffer = IntBuffer.wrap(bitmapBuffer) intBuffer.position(0) glReadPixels(0, 0, w, h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, intBuffer) var offset1: Int var offset2: Int for (i in 0 until...

How to parse iso8601 date-time in android kotlin or java Hello Devs, I'm working on barcode scanner app, I get date and time at this pattern "20220610T230000Z" I think its ISO8601 date-time format However, I just want to parse this pattern so I can customize it as I want. I tried this one: val isoDate="20220610T230000Z" // from my barcode scanner val df=SimpleDateFormat("yyyymmdd'T'HH🇲🇲ss.SSS'Z'") val date= df.parse("20220610T230000Z") but when i run code i get java.text.parseexception unparseable Thanks in advance