Why do I get the error Incompatible types: Result.Error and Result<List<MInfo>> when I use sealed class? I can't compile the Code A, I get the following error for the line is Result.Success -> { } One type argument expected. Use 'Success' if you don't want to pass type arguments* I get the following error for the line is Result.Error -> { } Incompatible types: Result.Error and Result How can I fix it? BTW, If I replace is Result.Success -> { } with is Result.Success -> { }, I will get the following warning: Check for instance is always 'false' Code A override suspend fun...

What I am getting NullPointerExcpetion for Uri when inserting values val displayName = "Image-${System.currentTimeMillis()}.jpg" val imageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) val imageFile = File(imageDir, displayName) val fos = FileOutputStream(imageFile) bitmap.compress(Bitmap.CompressFormat.JPEG, 70, fos) fos.flush() fos.close() val values = ContentValues().apply { put(MediaStore.Images.Media.DISPLAY_NAME, displayName) put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg")...

How to give a pause in Android ViewModel? I want to add some delay to perform a operation in ViewModel. I have tried with delay function which works fine also but still I want to know what can be the good solution in this scenario instead of using sleep/delay and handler. viewModelScope.launch { delay(800) navHostController.navigate(Screens.HOME.screenName) }

Moving Same Item Twice in RecyclerView With ItemTouchHelper First time messing with this TouchHelper, apologies. I just want to be able to move the same item twice without navigating to another activity to refresh the recyclerview. I assume I just don't know which 'notify' to use for the adapter. After moving an item vertically (swiping is disabled intentionally), I am unable to move the item again. It visually may swap text with an item if I try to move it for a split second, but it reverts back and doesn't show the visual animation that I have the...

Should a view created using Application be considered a leak? How to turn it off? The Leak Heap indicates that there is a global TextView holding the Application, which is causing a memory leak. Is there a way to turn off the leak detection for the Application? It seems like this method does not work: AppWatcher.config = AppWatcher.config.copy( objectWatcherEnabled = BuildConfig.DEBUG, leakCanaryConfig = LeakCanary.config.copy( referenceMatchers = LeakCanary.config.referenceMatchers.filter { it.key.simpleName != "App" } ) )

How to play private vimeo videos in android kotlin compose in Exoplayer I got the videoresponse but how can i play it in exoplayer this is my code which successfully gets the video response authenticator.authenticateWithClientCredentials(vimeoCallback( onSuccess = { initializePlayer() val apiClient = VimeoApiClient(configuration, authenticator) Log.e("DONETSK",it.data.accessToken.toString()) apiClient.fetchVideo( uri = STAFF_PICKS_URI,...

How to execute openssl command in android? I need to run openssl command programatically in android. But I am getting error as Cannot run program "openssl": error=2, No such file or directory Below is my code: public class MainActivity extends AppCompatActivity { @SuppressLint("MissingInflatedId") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); executeSH("openssl ecparam -name prime256v1 -genkey -noout -out...

Override micronaut DefaultHealthAggregator behaviour not picking up the bean I am trying to remove the name in the detail of each service in the health check result since the application name repeatedly printed in the response: { "name": "myservice-api", "status": "UP", "details": { "Auth0": { "name": "myservice-api", "status": "UP", "details": { "url": "http://localhost:8082/auth0/testall" } }, "VerificationCode": { "name": "myservice-api",...

mock private constructor and it's multiple parameters with mockk I want to mock the private constructor of a class with it's multiple parameters (with kotlin): public final class Foo { public static class Bla { public final CustomType1 property1; public final CustomType2 property2; private Bla(CustomType1 param1, CustomType2 param2) { this.property1 = (CustomType1)Objects.requireNonNull(param1); this.property2 = (CustomType2)Objects.requireNonNull(param2); } } } Through that I try to mock...

how to connect a swagger if there are no controllers in the project how to connect a swagger or automatically create api methods documentation if there are no controllers in the project, RouterFunctionDsl is used org.springframework.web.reactive.function.server kotlin gradle The project on kotlin gradle org.springframework.web.reactive

find key in map vs firstOrNull in kotlin I have a enum class and I want to find the enum. enum class Stage(val title: String) { ONE("one"), TWO("two"); companion object { // 1st option fun fromTitle(title: String) { values().firstOrNull { it.title.equals(title, true) } } // 2nd option private val mapByTitle = Stage.values().associateBy(Stage::title) fun fromTitle(title: String) = mapByTitle[title.lowercase()] } } which one is idiomatic options or any other?

How to remove the left border on a button in Jetpack Compose? I want to make a custom button in jetpack Compose which starts on the left without a Border, but keeps the BorderStroke on all other sides. Like so: However the only thing I manage to produce is this button: My code for the button: @Composable fun StandardButton(modifier: Modifier, onClicked: () -> Unit) { OutlinedButton(modifier =...

What will occur when I apply .take(2) for a Flow? I get records from database using handleMInfo.listIncompleted() with Room, and listIncompleted returns a Flow. 1: I think Code A will keep runing, and todo(it) will be launched again and again when the records in database changed, right? 2: I think the whole operation will be cancelled after todo(it) is only invoked in two times even if the records in database changed in Code B, right? Code A val listIncompleted = handleMInfo.listIncompleted() listIncompleted...

Package not found: Com.Google.Android.Webiew I am I am getting this crash on splash but there I am not using any webview in splash screen. How can I fix it. I am getting this crash in firebase. how to fix Package not found: Com.Google.Android.Webiew RuntimeException

@CacheEvit key expression read argument as array of object instead a type I am doing a cached service, but when I try adding evict, I get the error @CacheEvict(value = ["person", "persons"], key = "#person.id") suspend fun save(person: Person) { personRepository.save(person) } EL1008E: Property or field 'id' cannot be found on object of type 'java.lang.Object[]' - maybe not public or not valid? If change to @CacheEvict(value = ["person", "persons"], key = "#person[0].id") suspend fun save(person: Person) {...

Will I meet trouble when I apply Dispatchers.IO both Flow and CoroutineScope? In order to avoid hard work in main thread, I apply .flowOn(Dispatchers.IO) for a Flow listIncompleted in class TranslateIncompleted. You know, sometimes when other users invoke the suspend function, he invoke it within CoroutineScope(Dispatchers.IO) .launch {...} . 1: Will I meet trouble when I apply Dispatchers.IO both Flow and CoroutineScope ? 2: Which way is better between using Flow.flowOn(Dispatchers.IO) and using CoroutineScope(Dispatchers.IO) if I can use only one ? class...

How to change this lambda signature? adapter.onEditButtonClick = {text : EmployeeModel, position: Int, id:Int -> showUpdateDialogue(text, position, id) } I tried to follow the suggestion of InteliJ. But I'm not sure it will work.

How to make the animation smooth and keep constraints from the RecyclerView? class ClubCardsPricesFragment : Fragment() { override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View? { return inflater.inflate(R.layout.fragment_club_cards_prices, container, false) } override fun onViewCreated(view: View, savedInstanceState: Bundle?) { super.onViewCreated(view,...

How to apply Draw over app on specific app I made a app draw over app but now i need help someone how suggest me a this when setting is open in my android phone draw over app activate and cover the screen and when setting is closed draw over app deactivate SO, suggest how to do this!! I just want this to how to do this any code suggestion any think else...

Notifications not pushing when app is closed/in the background I have a problem with notification not pushing when the app is not on. It fires when the app is started, but not in background. I've tried to play with the premissions, but It still doesn't help. Anybody knows whats wrong? This is the code I have right now: NotiUtils class: class NotiUtils(base: Context) : ContextWrapper(base) { val MYCHANNEL_ID = "101" val MYCHANNEL_NAME = "App Alert Notification" val motivation: MutableList = mutableListOf("S chutí do toho a půl je hotovo!",...

Azure AD. Use token acquired in Frontend (using msal) to authenticate requests to the backend I have a web app, that already has the sign in implemented with msal. GIVEN: I have a registered application for my Web App and it works fine. WHAT I WANT: use the token I will get with msal to authorise my calls to the backend. Now I have a backend in Kotlin + Spring, that has the following configuration: @Configuration class AadWebApplicationAndResourceServerConfig { @Bean @Throws(Exception::class) fun filterChain(http: HttpSecurity): SecurityFilterChain {...

How can I handle with multiple TextField focus in Jetpack Compose Pager? I have a pager. It has a TextField on each page. I'm doing the transitions with animateScrollToPage(). How can I get the TextField on each page to come with focus? When I give Modifier.focusRequster() to the TextField and check index = pagerState.currentIndex, the TextField focused before the transition animation ends. @Composable fun PagerScreen( ) { val pagerState = rememberPagerState() val pageList = listOf Unit>( { Page1(pagerState) }, { Page2(pagerState) },...

How to subscribe to multiple mqtt topics in android hive MQ client i can't seem to find a way to subscribe to more than just one topic using the .topicfilter("topic/test) . anybody got an idea how to make it subscribe to list of topics ?

When using Surface elevation, the elevation shadow effect below me will not be displayed val pagerState = rememberPagerState() Column { Surface(elevation = 2.dp) { Column() { SearchView() FixedTabLayout(data = tabs, pagerState = pagerState) } } CommonSpacer(5)//convenient testing ... } private fun SearchView() { Row( modifier = Modifier .fillMaxWidth() .padding(horizontal = 16.dp) .padding(top = 8.dp, bottom = 8.dp)...

I tried to implement Push Notification when new message is received using Kotlin, Firebase, Retrofit but it is not working Hello guys i've been trying to implement the push notfication service for new messages in the chat in my chat application but it is not working. Below are the files related to the same, please have a look and help me. <a href="https://stackoverflow.com/questions/tagged/notficationapi.kt" class="post-tag" title="show questions tagged 'notficationapi.kt'" aria-label="show questions tagged 'notficationapi.kt'" rel="tag"...

Making a custom step graph with mpandroidchart I want to achieve this kind of chart using MPAndroidChart I have done all the necessary setup and particularly customized the chart to use the stepped mode below Val set1 = LineDataSet(values, "DataSet 1"); set1.setMode(LineDataSet.Mode.STEPPED); This is what I've been able to achieve so far so I'll appreciate any recommendation to achieve the desired template I attached. <a...

Kotlin issue while sum 2 variables val btnAdd = findViewById(R.id.btnAdd) val btnSub = findViewById(R.id.btnSub) btnAdd.setOnClickListener { val tx1 = findViewById(R.id.tx1).toString().toInt() val tx2 = findViewById(R.id.tx2).toString().toInt() var result = findViewById(R.id.result) result.text = (tx1 + tx2).toString() } I want to sum tx1 and tx2 but i get this message Do not concatenate text displayed with setText. Use resource string with...

Using Native Navigation + Compose TopAppBar is good idea? I am using Fragment + Compose with Native Navigation (nav_graph.xml) in my project. Using TopAppBar like: @Composable fun SampleScreen( title: String, navController: NavController ) { Scaffold( topBar = { TopAppBar( title = { Text(text = title) }, navigationIcon = { IconButton(onClick = { navController.popBackStack() }) { icon() } } ) } ) { /* content */ } } navController is coming from Fragment's...

Deconstruct with List&lt;Int&gt; in Kotlin How does one deconstruct a List passed into a Kotlin function? Problem: Rather than passing a complex list of parameters to a function, I wanted to pass in a List and deconstruct it in the function body. The code below does not work, so I reverted to extracting each variable (Simplified code example below) - recommendations? val (h1, m1, s1, h2, m2, s2) = timeData My intuition is that the casting fails in exciting ways in the above deconstruction. Question: What is the correct way to...

Firebase -Kotlin How To Do Atomic Update Using Null? I can do an atomic update in Swift using NSNull(). How can I do the same thing in Kotlin using a null type? let followersRef = "followers/\(otherUserId)/\(currentUserId)" let followingRef = "following/\(currentUserId)/\(otherUserId)" let someOtherRef = "someNode/\(currentUserId)" var multiLocationDict = [String: Any]() multiLocationDict.updateValue(NSNull(), forKey: followersRef) //