how to insert data into room and sequentially get id from tables to insert new data? How do I sequentially add data to the database? I need to add two words to the "word" table , then get their rowid and add to the "word pair" table, then get the rowid of the "word pair" table and add to the "word base and word pairs" table Here is my code inside fragmemnt: viewLifecycleOwner.lifecycleScope.launch { var languageId = vocabularyViewModel.getLanguageId(word.wordLanguage) // yet added to db var languageId2 = vocabularyViewModel.getLanguageId(word.translatedLanguage)...

error when I try to draw a route between two markers I have recently started studying kotlin and android studio, in my application I would like to trace a path between two points, in my case marckers, my problem arises when I try to trace a path between two points, I get this error: Cannot access class 'org.osmdroid.views.overlay.PathOverlay'. Check your module classpath for missing or conflicting dependencies. how can i solve? below is my code: class MainActivity : AppCompatActivity() { private lateinit var mapView : MapView private lateinit...

No transactional EntityManager found, is your test running in a transactional? I am writing tests for a repository, but BeforeAll annotation causes java.lang.IllegalStateException: No transactional EntityManager found, is your test running in a transactional? error. If I change it to BeforeEach the tests work, but that's not very efficient, since the same record is repeatedly written into the database. How can I fix this? My test class: @DataJpaTest @TestInstance(TestInstance.Lifecycle.PER_CLASS) @ActiveProfiles("testing") class RepositoryTest { @Autowired...

android.content.res.Resources$NotFoundException: Drawable compat_splash_screen_no_icon_background with resource ID #0x7f0801b6 I am getting this issue only for samsung galaxy devices- Galaxy Tab A, Galaxy A03 Core, Galaxy A02 Fatal Exception: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp.application/com.myapp.application.ui.MainActivity}: android.content.res.Resources$NotFoundException: Drawable com.app.application:drawable/compat_splash_screen_no_icon_background with resource ID #0x7f0801b6

Room returns java.lang.Object for all my suspended Dao functions I have a project with a Room database, which was working fine, and now for some reason I can't find out, it isn't anymore. I am getting the following error when compiling: C:\(...)\FlightDao.java18 error: Not sure how to convert a Cursor to this method's return type (java.lang.Object). public abstract java.lang.Object getFlightById(int id, @org.jetbrains.annotations.NotNull() This is from a class that is generated from my Dao: @Dao interface FlightDao { @Query("SELECT * FROM...

Remove import when using Kotlin's @Deprecated "ReplaceWith" functionality I have a custom function MutableStateFlow.update(), which i want to deprecate in favor of the official "kotlinx.coroutines.flow.update" version. @Deprecated( message = "This is not thread safe. Use the official version from kotlinx.coroutines.flow.update", ReplaceWith("update(transformation)", "kotlinx.coroutines.flow.update"), DeprecationLevel.ERROR ) public inline fun MutableStateFlow.update(transformation: (previousValue: T) -> T) { value = transformation(value) } This...

CameraX preview usecase attachedSurfaceResolution property returns wrong resolution on some devices version: 1.1.0-beta03 problem devices: Samsung A51 A52 A70 S8 S21, One+ 6 correct devices: Mi 10T Pro, Redmi Note 10 Pro In our app we use preview usecase to transfer viewfinder frames from cameraX to openGL scene. We need to know strict resolution of frames in video stream to make correct scale and position transformation in openGL. On some samsung devices (see list and more) property returns 14401080 (aspect 4/3) and when we place unit on scene with 4/3 aspect we see stretched picture by...

NPE when retrieving from HashMap even though containsKey() returns true in multithreaded environment We are trying to store unique object for a particular key. When getMyObject is called in multithreaded environment we are getting null ptr exception at the time of return statement object SampleClass { fun getMyObject(Id : String) : MyObject { if(!myMap.containsKey(Id)) { synchronized(SampleClass) { if(!myMap.containsKey(Id)) { myMap[Id] = MyObject() } } }...

Kotlin app using camera does not return picture if camera is never launched before I've stuck for a while with annoying issue with emulator's camera in my app. (The same is repro on a real device) The camera is used from a dialog fragment to take a picture that later will be uploaded to remote host. private val cameraPermissionLauncher = registerForActivityResult( ActivityResultContracts.RequestPermission() ) { isGranted -> if (isGranted) { makeImageWithCamera() } else { dismiss() } } private val cameraLauncher = registerForActivityResult(...

Snackbar is attached to the layout but is shown at the top of the screen I try show snackbar on the top of my layout , but snackbar always appears at the top of the screen. How I can place the snackbar at the top of the container ? Container located in the middle of the screen fun View.showToast(snackBarProvider: SnackBarProvider, actionDuration: Int = 5000): Snackbar { ... return Snackbar.make(this, msg, duration).apply { action?.let { event -> setAction(actionText ?: "OK") { event.invoke() }.setDuration(actionDuration) } } } override fun...

Kotlin Login/Register Page Validation issues occurring requiring assistance On Login page and when pressing register, it takes you to register, but when clicking on register button on register page, it adds user to database regardless if info is provided or not and then takes you back to login page, where you are able to log in regardless if email and password is even entered. I want the validation to happen before the execution. Currently it does validate, but executes regardless. Please advise. import android.content.ContentValues import android.content.Intent...

How can I open gmail when click the button in jetpack compose? I have simple button in android jetpack compose, when I click the button, I want to open gmail and send mail to "android@gmail.com", is it possible? @Composable fun SimpleButton() { Button(onClick = { //your onclick code here }) { Text(text = "Simple Button") } }

Kotlin/JS jsRun gives error "[webpack-cli] TypeError: cli.isMultipleCompiler is not a function" I have a Kotlin multiplatform project with JVM and JS. When executing jsRun gradle task to start the webpack server, it fails with the following error: Waiting for changes to input files of tasks... (ctrl-d then enter to exit) [webpack-cli] TypeError: cli.isMultipleCompiler is not a function [webpack-cli] TypeError: cli.isMultipleCompiler is not a function at Command. (C:\MyProject\build\js\node_modules\@webpack-cli\serve\lib\index.js14635) at async Promise.all (index 1) at...

Execution failed for task ':app:testDebugUnitTest'. > No tests found for given includes: [com.*](filter.includeTestsMatching) I'm trying to migrate a project from JUnit 4 to 5. The project has had a lot of migrations lately, including the swap from Groovy DSL to Kotlin DSL, Mockito to Mockk and from 'legacy' xml to JetPack Compose. However, when I try to migrate to JUnit 5, I keep getting the error which was mentioned in the title. I feel like I have tried everything there is, but for some reason project setups which should be working, do not seem to actually be working. build.gradle (project) buildscript {...

Ktor/WebSocket - auto reconnect I'm using Ktor Websocket in a multiplatform project (Android/iOS). I saw auto-retry for http request, but no option for websocket connection. Does it work with Ktor websocket or any other option?

How to use Spannable in text kotlin Hey I am learning spannable text in Android kotlin. I read everywhere how to use spannable text. I want to bold rather than search text i.e. For example 1 val value = "high blood pressure" val searchText = "Blood" Output:- high blood pressure blood will not bold and other high and pressure will be bold in text view. For example 2 val value = "diabetes" val searchText = "e" only first occurance not bold and everything I ned bold. Output:- diabetes I tried some code val spannable =...

open failed: EACCES (Permission denied) on Android 12, Xiaomi 11 Ultra device When one of users try to open a downloaded pdf file having this error. I am using DownloadManager to download the pdf file from url. Also I am using 'com.github.bartekscandroid pdf viewer3.2.0-beta.1' library as a pdf viewer. It works without a problem with all devices except Xiaomi Mi 11 Ultra. In that model device it gives the "open failed: EACCES (Permission denied)" error. Sample code below: val fileName = "${File.separator}${"Presentation_Report"}${System.currentTimeMillis()}.pdf"...

notifyDataSetChanged() is not working when observer list update data When i observe data from observer list notifyDataSetChanged() is not working help will appreciated categoryModel.mainCategoryList.observe(requireActivity()) { when (it.status) { Status.SUCCESS -> {if (it.data?.statusCode == 200) { viewBinding.shimmerViewContainer.visibility = View.GONE viewBinding.shimmerViewContainer.stopShimmer() categoryList = ArrayList()...

Add google maps to my fragment without hide my navigation bar I'm doing a kotlin app for learning purpouses but I'm pretty lost. I manage to make a main activity where to display 5 fragments in a navigation bar like this class MainActivity : AppCompatActivity() { private val mapFragment = MapsFragment() private val favoritesFragment = FavoritesFragment() private val profileFragment = ProfileFragment() private val homeFragment = HomeFragment() private val searchFragment =...

How to call findViewById(android.R.id.content) from dialogFragment? I am trying to call snack bar in dialog fragment. But it shows on top of system buttons. To avoid this I need to call findViewById(android.R.id.content) in snack bar call. But not sure how to make it correct way. In parent fragment I am calling this way Snackbar.make(requireActivity().findViewById(android.R.id.content), "fdfdfdf", Snackbar.LENGTH_LONG).show(); and it works perfectly but the problem is that dialogfragment is on top of the snack bar so its not visible. So I need to...

Snackbar crawls behind the top panel I'm trying to place a snackbar at the top of the screen, but it's crawling behind the top bar. Why is this and how can I fix it val snackBar = Snackbar.make(binding.videoPlayerBaseContainer, "test", Snackbar.LENGTH_SHORT) val view = snackBar.view val params = view.layoutParams as FrameLayout.LayoutParams params.gravity = Gravity.TOP view.layoutParams = params snackBar.animationMode = BaseTransientBottomBar.ANIMATION_MODE_FADE snackBar.show() <a...

Inheritance from an interface with '@JvmDefault' and Android Jetpack Compose navigation library I had this simple viewmodel provider factory code (taken from one of Google's code samples), which compiled perfectly... fun viewModelProviderFactoryOf( create: () -> VM ): ViewModelProvider.Factory = SimpleFactory(create) private class SimpleFactory( private val create: () -> VM ) : ViewModelProvider.Factory { override fun create(modelClass: Class): T { val vm = create() if (modelClass.isInstance(vm)) { @Suppress("UNCHECKED_CAST")...

Spring Cloud Compatibility with Spring Boot Currently the Spring Cloud documentation contains a matrix describing binary compatibility between Spring Cloud and Spring Boot. However, as Spring Boot has now jumped to 2.7.x, the matrix remains unchanged. Is there any information on how the two tracks reconcile going forward?

grouping section within itself in android list view I want to show a list as partitions in android. I have an adapter class for this and the getView() method return the cell in the section fun getView( section: Int, position: Int, convertView: View?, parent: ViewGroup? ): View { var cellView = convertView if (cellView == null) { cellView = LayoutInflater.from(context).inflate(R.layout.my_cell_layout, parent, false) //same operation } //same operation return cellView }...

How to pass selected single choice option to specific text field How can a selected option from a single choice menu be passed to a different composable to that it is displayed in a Text object? Would I need to modify the selectedOption value in some way? @Composable fun ScreenSettings(navController: NavController) { Scaffold( topBar = {...}, content = { LazyColumn(...) { item { ComposableSettingTheme() } } }, containerColor = ... ) }...

Kotlin/JS unable to create bindings for jwt-decode library So, I'm kind of new to Kotlin/JS and I'm trying to create Kotlin bindings for the jwt-decode library. Here are the Kotlin bindings I've written: /** * A Kotlin definition for the jwt-decode library's invalid token error class */ external class InvalidTokenError : Throwable /** * A Kotlin definition for the jwt-decode library's jwt decode options interface */ external interface JwtDecodeOptions { var header:...

Answering the Longest Substring Without Repeating Characters in Kotlin I've spend some time working on the problem and got this close fun lengthOfLongestSubstring(s: String): Int { var set = HashSet() var initalChar = 0 var count = 0 s.forEach {r -> while(!set.add(s[r])) set.remove(s[r]) initalChar++ set.add(s[r]) count = maxOf(count, r - initialChar + 1) } return count } I understand that a HashSet is needed to answer the...

Android app firestore issue when minify is true I am using the firestore database to store some todos and it works fine when I tried in debug + minify off. So, I create a release app and the production app was crashing continuously. The only difference between releases and debug apps are minified features and debug libs. I flipped minify to true in debug mode and got this error. Plz, help... 2022-06-23 223626.123 20375-20375/sample.android.app E/AndroidRuntime: FATAL EXCEPTION: main Process: sample.android.app, PID: 20375...

Android studio XML autocomplete not working properly after converting java code into Kotlin After updating my project from java to Kotlin unable to get suggestion in XML file.

Sign In and Register Validation problem happening in Kotlin On Login page and when pressing register, it takes you to register, but when clicking on register button on register page, it adds user to database regardless if info is provided or not and then takes you back to login page, where you are able to log in regardless if email and password is even entered. I want the validation to happen before the execution. I think it executes the validation process, but still continues to insert data (even if its blank) into the database. import...