How to force text from NumberPicker to stay on one line on small devices? Here's the following code : @Composable fun DurationPicker( label: String, onSelectTime: (FullHourWithSec) -> Unit, value: FullHourWithSec, ) { OutlinedBox(label = label) { Row( verticalAlignment = Alignment.CenterVertically, ) { NumberPicker( modifier = Modifier.weight(1f), label = { "%02d".format(it) }, value = value.hours, onValueChange = {...

Printing Custom Documents without displaying print preview page using Kotlin,Android studio I am new to Android Development and I am creating an app that prints custom documents via printers but it displays the print preview page, after clicking the print button, hence I do not want to display the print preview page after the user enters the details and clicks submit, the document should directly get printed after clicking submit via the nearby wifi/bt printer after connecting to the respective printer. I don't know what should I try to not display the print preview page, but I am...

When I try to log into my firebase account, I get an error. The error is here but I can't find it class FirestoreClass { fun getUserDetails(activity: Activity){ mFirestore.collection(Constants.USERS) .document(getCurrentUserID()) .get() 52 .addOnSuccessListener { document -> Log.i(activity.javaClass.simpleName, document.toString()) 55 val user = document.toObject(User::class.java)!! when(activity){ is LoginActivity->{ activity.userLoggedInSuccess(user) } }...

Count a column in firebase realtime database how can i count a column just like we do in sql queries i want to count a specific phone number appeared in the table, in firebase realtime database. I want to write a querry in firebase realtime that retrives me this output of sql query "select count (number) from users where number like =1234567890;"

Spring Native / kotlin / webflux "Hashmap Serialization" runtime exception on subscription to Mono<Principal> We have a spring boot service (spring boot starter parent 3.0.5) which we are attempting to convert to run on GraalVM with Spring native mvn -Pnative spring-boot:build-image. The app exposes a simple endpoint to receive the current authenticated user details: @GetMapping(value = ["/user/"]) open fun user(@AuthenticationPrincipal principalMono: Mono): Mono { return principalMono.flatMap { principal -> fetchUser(principal) } } When run in Graalvm, we receive the following...

Android testing - AmbigiousViewMatcherException I am currently in the process of writing Android Espresso tests for my application. The issue is, I have an item with the same name in two layouts (both are being used by my main activity, so when i launch main activity using @get:Rule annotation I get both layouts). I am trying to write a test for it, but, as expected, it shows AmbigiousViewMatcherExpression. How can i specify to which item i am referring to, without changing the name of the item in one of the layouts? Thanks in advance!

Generate 4 distinct numbers that add up to a Total number between 50 and 90 I need this unit test to pass: @Test fun dividingIntoFour() { repeat(100) { val randomNumber = Random.nextInt(50, 80) val total = 100 - randomNumber val numberList = divideIntoFourDistinctNumbersThatAddUptoTotal(total) assert(numberList.sum() == total) assert(numberList.distinct().size == 4) } } This is as close as i've gotten - it either fails or hangs on the loop: fun...

Out of memory error inside fragments on Android Studio When I test my app, I noticed in the Profiler the presence of 3 memory leaks, all related to fragments I put into the app. Reading other questions here, several times it was suggested to compress the images in the app (I have 2 of them), so I tried both compressing or deleting them completely, without success... I'm still quite new to app development, so I'm still not sure how to go about troubleshooting this kind of problems... Here's the code for the MainActivity: package...

How to determine the exactly bounds of a Text composable? I want to draw a custom composable (in the example below it is a Spacer) that has exactly the same dimensions as a Text composable, e.g.: With the code below, however, the Spacer also fills whitespace above, below, left and right of the actual text: import androidx.compose.foundation.background import androidx.compose.foundation.layout.Box...

upload the text and save in firebase in kotlin ui.save.setOnClickListener { saveData() } fun saveData() { uploadData() } fun uploadData() { val date = date.text.toString() val start = starttime.text.toString() val end = endtime.text.toString() val type = type.text.toString() val note = optionalnote.text.toString() val dataClass = DataClass(date, start, end, type, note) FirebaseDatabase.getInstance().getReference("feed")...

My custom snackbar is not fitting my whole width sreen size I'm trying to set an customSnackBar in my activity, and it's all good less the fact that it's not covering all my screen. What could be my issue here? This is my snackBar configuration: private fun configureSnackbarWarning() { val snackbar = Snackbar.make(binding.root, "", Snackbar.LENGTH_LONG) snackbar.view.setBackgroundColor(Color.TRANSPARENT) val customSnackView: View = layoutInflater.inflate(R.layout.layout_movements_snackbar, null) val snackbarLayout =...

Upgrading Gradle Version From 7.4.2 to Gradle 8.0.0 Version Giving Error On Release App - java.lang.ClassCastException I have recently Upgraded Android Studio Version to Flamingo And Also Upgraded Gradle Version From 7.4.2 to 8.0.0 All things working fine in version 7.4.2. When I generated Signed APK using Version 8.0.0 and tried its giving me weired runtime error of java.lang.ClassCastException I have tried Many Solutions Like Added Proguard Rules For Retrofit,Okio,OkHttp,etc but giving me error like this. Note: When I Downgraded From 8.0.0 to 7.4.2 Its working as it it. So anyone can help me to find out...

Interface Entry does not have constructors I'm trying to make edits for multiple contacts depending on the user's contacts saved by countries. But, when trying to access the entry of the map, the warning below appears. Thank you... Interface Entry does not have constructors for ((key, value) in Map.Entry in dialCodes) { val code = key.uppercase() val countryName = Locale("", code).displayCountry if (TextUtils.isEmpty(countryName)) { Log.w(TAG, "Country name missing for '$code'")...

How I can delete data from com.google.gson.internal.LinkedTreeMap? I have some data from the database which I want to display. The thing is, program have to check the data, and remove by given key, a set of key/value, and then, forward it to the adapter. I've already covered almost everything, but I can't manage to delete data by given key. I've logged the type of data, and it is com.google.gson.internal.LinkedTreeMap. How I can remove data from it?

Problems with Dokka for private functions With Dokka 1.8.10 i got Problemsto show the private functions of my classes. I tried includeNonPublic.set(true) with an older version (which worked) but for 1.8.10 this mehtod is deprecated... I'm searchin for an solution, that shows my private functions in the classes.

How to use whereEqualTo multiple times in same query I am building a chat application. I am uploading the messages to firestore with fields docId(document id), textMessage(actual message), fromId(id of the user who sent the message), toId(id of user to whome the message is sent), createdAt(time at which the message is sent). I want to fetch the message to show in the chatLog activity. I am fetching the messages using the following query val reference = FirebaseFirestore.getInstance().collection("messages") .whereEqualTo("fromId",...

How to listen for sliding up or down about LazyColumn Box(modifier = Modifier.pullRefresh(pullRefreshState)) { Column() { LazyColumn( modifier = Modifier .fillMaxSize() .background(colorResource(id = R.color.bgColorSecondary)), //控制item间隔的 verticalArrangement = Arrangement.spacedBy(8.dp), state = scrollState ) { itemsIndexed(data ?: emptyList()) { index: Int, item: T ->...

Load my trained Pytorch model in kotlin/java I am developing an application in which I want to deploy a pytrorch model but I don't know how can I load it in java/kotlin. How can I do it?

java.lang.IllegalArgumentException: Cannot coerce value to an empty range: maximum 8.989999 is less than minimum 8.99 I'm trying to achieve a rounding effect on values from rangeSlider (Compose): var sliderPosition by remember {mutableStateOf(minSelected..maxSelected)} RangeSlider( values = sliderPosition, onValueChange = { sliderPosition = it }, valueRange = minPrice..maxPrice, // passed in the function from the view model when the composable is created onValueChangeFinished = { onPriceFilterRangeChanged( // just saves the value in the...

Testing from portrait to landscape and from landscape to portrait I have been making a mock-up daily tasks manager application for practice. Currently I am trying to test how it works both in portrait and landscape. However, either my portrait or my landscape tests failed. It seems, even though I am changing the orientation before every test (and returning to the original state after every test), that somehow the portrait orientation is not being recognised after a single test in landscape, and vice versa. I have been using these annotations: @Before...

How to change focus for textfield in kotlin? I am not able to change the focus color for edittext Tried using custom edittext, but the colour remain red.

Access to a constant value with a variable name in Kotlin First of all, I don't know if there is a way to achieve what I want to, but I don't lose nothing asking for. SO, I have an object with some constant values, let's say: object Properties { const val A1 = 1 const val A2 = 2 const val A3 = 3 .... } The user in the app, will choose one of these options: A1, A2,A3,..., An, and I'm saving the user's option in the variable val userOption Now, I want to access which value is userOption (1,2,3,...,n) referring to the object...

How can I make this Parallaleogram shape of Imageview in Android? Hello how can i make an imageview which skews image like this? I tried using skew and matrix but the top was getting cut

Unable to create converter for class,retrofit java.lang.IllegalArgumentException: Unable to create converter for class com.example.tvcinema.data.remote.response.tvShow.TvShowDetailsDTO for method TvShowService.getDetails This is the error I get trying to call a method of the following interface: interface TvShowService { @GET("tv/{tv_id}") suspend fun getDetails( @Path("tv_id") id: Int, @QueryMap queries: Map...

Why do I get null? My consols says "Math: 5.0 false English: 3.0 true Physics: null false Chemistry: null false" This sound ok, but in my Code I had a Exception-Code. I do not understand why I get null here: "Physics: null" "Chemistry: null" class Course( val name: String ){ var grade: Double? = null set(value){ try { if (value != null && value >= 1.0 && value

Which language to choose for mobile Application(Kotlin or Flutter) I am new to mobile app development, please provide me your valuable suggestions Should I learn Kotlin or Flutter?

Kotlin synchronized returning to outer function causes issues Consider the following code in Kotlin: private val mLock = "lock" suspend fun doJob(): String { synchronized(mLock) { if (someBoolean1) { return "A" } if (someBoolean2) { return@synchronized "B" } return@synchronized "C" } return "D" } Will the single return "A", that exits the doJob function from within the synchronized block, finish the synchronized block correctly? Could there be any issues with a set up like that one?

apps/android/app/src/main/cpp/libs/arm64-v8a/libsimplex.so missing and issue related to nix and haskell android app failing to run I am trying to clone this github project - https://github.com/simplex-chat/simplex-chat.git and then I tried opening the apps\android module so as to run the android app, but when I try to open it after the gradle build is completed when i try to run the app it throws this error :- "ninja: error: 'simplex-chat-stable/apps/android/app/src/main/cpp/libs/arm64-v8a/libsimplex.so', needed by...

database fetch is not streaming data asynchronously to console using Kotlin Coroutines My requirement is to fetch data asynchronously by findAll() method and send asynchronously to processReservePalletEvents() method. something like below The iterator fetches the 1st batch of rows from DB (lets say 1000 rows) The iterator starts fetching 2nd batch in the background Meanwhile, the caller processes the first batch After processing the first batch, the caller can immediately process the 2nd batch which was was fetched by the iterator in the background I am looking for help to...

Android studio gradle build failed: Could not find bundletool-1.11.4.jar I tried solutions mentioned in this question. Non of them worked. This is the error I get: A problem occurred configuring root project 'My ApplicationTst'.

Could not resolve all files for configuration ':classpath'.

> Could not find bundletool-1.11.4.jar (com.android.tools.buildbundletool1.11.4). Searched in the following locations:...