Material 3 NavigationBarItem how to change selected and unselected icons Can the image of a NavigationBarItem icon be changed whenever the NavigationBarItem is selected or unselected? Current result Expected result sealed class BottomNavItem(var title: String, var icon: ImageVector, var screen_route: String){ object Users: BottomNavItem("Users", Icons.Filled.AccountBox,"users") object Notifications:...

How to check if a composable is on top of the back stack or not? I have a navigation graph containing a HomeScreen and a MyBottomSheet. For bottom sheets I am using Accompanist Navigation. Both of the destinations share a common ViewModel which is scoped to that navigation graph. From that ViewModel I am exposing a Flow where MyEvent is: sealed interface MyEvent object MyEvent1: MyEvent object MyEvent2: MyEvent The two composables look like this: @Composable fun HomeScreen(viewModel: MyViewModel) { LaunchedEffect(Unit) {...

How to fix 'ARGUMENTS_NOT_ALLOWED' error Realm SDK for Kotlin? I am using MongoDB to save data from my Android app which I am developing with Kotlin Jetpack Compose. I am using MongoClient to access the database and save the data, but when I try to insert a Document I get this error: Error: ARGUMENTS_NOT_ALLOWED(realm::app::ServiceError:13) This is my code where I login and try to insert a Document into MongoDB Cluster: Realm.init(this) val appID : String = "my-app-id"; app = App( AppConfiguration.Builder(appID) .build())...

@OneToMany field is wrongly included in JPA query I have a small project to tinker with Spring, where I have two entities with a one to many association: 1 Restaurant -> N Dishes. I have the following PostgreSQL schema for that: create table if not exists restaurants ( restaurant_id uuid primary key, name varchar(512) not null, description varchar(1024) not null, address varchar(512) not null, photo_url varchar(1024) ); create table if not exists dishes ( dish_id uuid primary key, name varchar(512) not null,...

Android Studio Kotlin how to make a Constraint Layout scrollable with Scroll View? Basically I want to make the screen scrollable when the keyboard appears during text input, but no matter what I do it refuses to work. I made a Scroll View and put a Constraint Layout with all the elements in it. But it just refuses to scroll when the keyboard pops up. This is the .xml and this is how the activity looks like <a...

Generic producer and consumer without exposing concrete types in Kotlin I've been reading up on Kotlin generics for a while and came to a sense that it's a very powerful feature of the language. This made me wonder and experiment, and I can't figure out a nice solution to the following problem. Say I have the following code: interface WidgetProducerConsumer { fun produce(): Widget fun consume(widget: Widget) companion object { fun getStringWidgetProducerConsumer(): WidgetProducerConsumer { return StringWidgetProducerConsumer()...

How to update data item in RecyclerView responded by a ClickListener in another activity I am trying to make a RecyclerView in which I can delete or edit the individual item. I could find how to implement the delete function, but not the edit. I have the first activity 'EmergencyCallActivity' which contains the list of items in the form of RecyclerView. If I click the edit icon of each item, the activity changes into the second one 'AddPhoneBookActivity' where I can write down the NAME and PHONE NUMBER of a person on editText to modify the information of the selected item. Once...

Android mapbox view annontion in fragment not working Android mapbox view annontion in fragment not working: I try to using mapbox in fragment and add view annotation to it, the map working but the view annotation does not appear on the map. (The code is the same as the example in the documents: https://docs.mapbox.com/android/maps/guides/annotations/view-annotations/) my code: class MapFragment : Fragment() { var binding:...

How to create a button to clear android app cache I want to create a button in Android studio that should be part of the menu in my android WebView app, which automatically clears the cache of the application whenever a user clicks it. How do I do that please? I am a beginner, so detailed explanation will be much appreciated!

I'm getting an issue to create two retrofit instance using Hilt Dagger I'm setting up two different URL using @Named Annotation but I'm getting an errror in AppPostServices interface. @Module @InstallIn(SingletonComponent::class) object AppModule { //Retrofit Instance 1 @Singleton @Provides @Named("RetrofitInstanceDummy") fun getRetrofitDummyInstance(): Retrofit = Retrofit.Builder().baseUrl(BaseUrls). addConverterFactory(GsonConverterFactory.create()).build() //Retrofit Instance 2 @Singleton @Provides @Named("RetrofitInstance")...

Display healthService data such as step in AmbientMode (Android wear) I want to display health-service data such as step, pace, etc in AmbientMode. But HealthServices seems to go into Sleep state when entering ambient mode. I tried using AmbientUpdate with AlarmManager, but HealthServices did not wake up. Please let me know if you have a good way to solve this problem. I want to change the data of the screen in the middle in AmbientMode. Please help me.

how to fix okhttp3 socket timeout which is leading to android app crash? Dont know why this error is coming and from which api call. using retrofit Earlier this error was not coming but now this is coming frequently My read and write timeout is set to 10000ms and it hard to trace the problem as this happens intermittently Fatal Exception: java.net.SocketTimeoutException timeout okhttp3.internal.http2.Http2Stream$StreamTimeout.newTimeoutException (Http2Stream.kt:677) okhttp3.internal.http2.Http2Stream$StreamTimeout.exitAndThrowIfTimedOut (Http2Stream.kt:686)...

How to optimize a complex activity has more than 80 views Overview: I am trying to create this activity where it has X subjects (in this case 12) each subject has its own CardView, each card has three TextEdits that calculate the average of that subject and show it in the TextView of that card, and by the end after a button click it shows the average of all the subjects together in another activity. Problem: So I hard coded each card its own as you can see...(code and image of only two cards) and I got a Warning says that this activity has more than...

return ResultRow for kotlin exposed upsert I am using kotlin-exposed for update/upsert query , I could see that update query return int whereas upsert returns unit, I was looking for a work around where I can find the updated resultRow if it is feasible. the current repository layer looks something like this suspend fun set(entity: SomeEntity) suspend fun get(entityId: Int): SomeEntity? here get is using EntityTable.select { }.firstOrNull() and I am able to map it back to my entity , whereas in set I have options of using upsert or...

Mongodb query returns null for nested queries (KMongo) I'm new to ktor and am writing an application using it. I'm trying to add authors and their book titles and retrieve them from the database. My schema is given below. (authors is my collection name) authors = [ { name: "Author1", books: [ {title:"Book1"}, {title:"Book2"} ] } ] I'm trying to check whether a book title has already been added under a particular author. So I wrote a findBookitemBytitle function as shown below. My issue is that every time I'm getting a null result. Even...

Which Geolocation SDK for Android I am working on an Android mobile app using Kotlin, it does not have to support older versions. I need to be able to find the user's current location, and I also need to be able to select a location from a map. I know there is an android.location package available that is free, but it doesn't support maps, is that correct? The google cloud maps API supports maps, but it is not free. This app will have very low usage in terms of installs and requests for maps so I think it will still be free...

How to skip loginScreen and passwordScreen after launch the app Hello i would like to know How to skip the loginScreen and the passwordScreen and move to homeScreen after launching the app because i have Stored the username and password in Datastore, So how can i do that? Here is my code: MainActivity.kt setContent { EEETheme { // A surface container using the 'background' // color from the theme Surface( modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background ) {...

How do I set up automatic updates via the source code in my Android Studio app? How do I set up automatic updates via the source code in my Android Studio app? The app is not in the PlayStore.

Draw in real-time a line that corresponds to the user's route using Mapbox and Android I would like to draw a path in realtime into a MapView (v10.6.0) using Android (and Kotlin). I do not need Turn-by-Turn Navigation features, but only to track the user's actual route. The approach I am planning to use (unless an easier/better solution comes up) is using a listener as described in the documentation (Display the user's location) that updates the camera every time the user...

How to select from database with "where" parameter SpringBoot? I would like to get one single entry from database. I have such entry model: @Table("USERS") data class User(@Id val id: String?, val login: String, val password: String) and such controller: @RestController class MessageResource(val service: MessageService) { @GetMapping fun index(): List = service.findMessages() @PostMapping fun post(@RequestBody user: User) { service.post(user) } @GetMapping("/user") fun getByLogin(@RequestParam("login") login:...

mocking actual API call during unittesting retrofit interface learning about retrofit but couldn't write the tests for it. I came from jest background and struggling to test two things: that the call was making to a specific end point and its status. import okhttp3.ResponseBody import retrofit2.Response import retrofit2.Retrofit import retrofit2.converter.gson.GsonConverterFactory import retrofit2.http.GET import retrofit2.http.Query interface WeatherAPI { @GET("current.json") suspend fun getCurrentWeatherData(@Query("key") apiKey: String,...

LateError (LateInitializationError: Field 'image' has not been initialized.) I'm making an application to hide messages in pictures, everything is running smoothly and i have declared everything, but there is a problem i'm having "LateError (LateInitializationError: Field 'image' has not been initialized.)". can anyone help me? import 'dart:io'; import 'dart:typed_data'; import 'package:flutter/material.dart'; import 'package:hideimage/action/decode_req.dart'; import 'package:hideimage/action/encode_req.dart'; import 'package:hideimage/fight/decode.dart'; import...

How to save data on disk before app closed? There is WebView with CustomWebViewClient that update a cookie in StateFlow. I want to save it into preferences DataStore. But the cookie update too frequencies on each redirect url. It seems don't right to call operations with memory storage on disk so often. class CustomWebViewClient() : WebViewClient() { private val cookieManager = CookieManager.getInstance() private val _cookieState = MutableStateFlow("") val cookieState = _cookieState.asStateFlow() override fun...

Path class from stdlib has no function "of" In this code, as in this example, I try to configure resolver via DirectoryCodeResolver, but its parameter Path.of("somePath") is incorrect, there is no such function. Path is from java.nio.file.Path, but there is no of(). Maybe, some file defines an extension for Path class? package com.example import io.ktor.server.engine.*...

Android Groupie - context menu on long press Using Groupie, along with view bindings, I can't figure out how to open a context menu when long pressing a Item. I have a couple of overrides in the fragment which has the GroupieAdapter: override fun onCreateContextMenu( menu: ContextMenu, v: View, menuInfo: ContextMenu.ContextMenuInfo? ) { super.onCreateContextMenu(menu, v, menuInfo) menu.setHeaderTitle("Pick option") requireActivity().menuInflater.inflate(R.menu.save_game_item_context_menu, menu) } override fun...

[JETPACK COMPOSE]: is there a way to restart whole app progrimatically? I need a way to make my app close and opens again. Or just restart everything inside of it. Since the issue with my app can be fixed by closing app and opening again (When creating user the loading function to firebase the collection inside user document does not load for some reason)

inputsheet radio button select doesn't work i'm using the maxkeppeler code library for sheets, and i have a bottom sheet to select the time option for the timer that i have. When i select the option and click in "ok", it doesn't do what is supposed to. the code library: https://github.com/maxkeppeler/sheets#input private fun timerSheet(){ val timerSheet = InputSheet().build(this) { style(SheetStyle.BOTTOM_SHEET)...

Broadcast Receiver in ViewModel I'm trying to receive SMS messages and later do some things with them. To see if I can go forward with my idea I set up a broadcast receiver but I can't seem to get the data in the viewmodel. class SmsReceiver(private val homeViewModel: HomeViewModel) : BroadcastReceiver() { private val scope = CoroutineScope(SupervisorJob()) override fun onReceive(context: Context?, intent: Intent?) { val pendingResult: PendingResult = goAsync() scope.launch(Dispatchers.IO) { try {...

How do I initialize these arrays? I want to have a class that stores three sets of 30 Foos each. I can declare them as arrays of Foo but I don't know how I can initialize them (give them default values) with 30 elements. data class Container ( val first: Array, val second: Array, val third: Array, ) data class Foo (val a: Int, val b: Int)