Paging 3 library using kotlin I am working on Paging 3 library and facing a issue which is like in my PagingSource class my load(params: LoadParams) returns the value before I get the response from API. I have added callback for the API response but still I am facing the same problem. Any hack on how to solve this? class FeedDatasource(var application: FeedActivity) : PagingSource(), APICallback { override suspend fun load(params: LoadParams): LoadResult { return try { // Start refresh at page 1...

Android Youtube Api : get channel avatar I'm trying to get the current user's channel info, it's working but one info is missing; the channel avatar (thumbnail); here is what I did based on this doc : https://developers.google.cn/youtube/v3/quickstart/android ChannelListResponse result = mService.channels().list("snippet,statistics")...

LiveData (not Flow) with states I have a huge project and I need to refactor code to LiveData (not Flow). I have an Order and states in ViewModel. I cannot receive this Order in Activity when I observe it. How can I do this? This is my View Model: private var _basicModel: MutableLiveData = MutableLiveData() val basicModel: LiveData get() = _basicModel sealed class OrderUiState { object Loading : OrderUiState() data class OrderFail(val message: String) : OrderUiState() data class OrderSuccess(val order: Order) :...

Button listner not working in android studio I'm trying to create an application that moves data between two activities, but when launched the button clicked event doesn't switch to the second activity. MainActivity.kt : class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) val binding:ActivityMainBinding = DataBindingUtil.setContentView(this,R.layout.activity_main) val myBundle = Bundle() val button =...

Unresolved reference: setTimestampsInSnapshotsEnabled [closed] My Kotlin android app got this error when running app with FireStore, Authentication

webview encoding format issue i refering this answer --> Send authorization header with every request in webview using okhttp in android but im getting something like this [![enter image description here][1]][1] i also tried text/html and html/plain but it didnt help following is my code:- val wvc: WebViewClient = object : WebViewClient() { override fun...

Gradle release plugin compatible with kotlin DSL I'm trying to find a gradle release plugin for my kotlin spring project but all the plugins I found on out there, are quite old and not maintained for a while so they don't really work with Kotlin DSL. I used the axion one, it worked somehow but it has issues with the CI integration and the issue was not fixed yet so I'm looking for alternatives. Thanks in advance

Creating document problem on Asus smartphone I'm creating file on my device using method from Google docs: private val getContent = registerForActivityResult(ActivityResultContracts.CreateDocument()) { uri -> uri?.let { writeToFile(requireActivity(), it) } } then launch it: getContent.launch("file.csv") And it's working fine on my emulator. But i have problems on my physical Asus device. Here is issues: When i'm creating file with same name it's "file.csv(1)" but "file(1).csv" expected (even in Google docs). So on my Asus...

Jetpack Compose Numeric Input I'm trying to make a numeric input field that updates a backing field when a valid numeric is entered. When the backing field is updated, the UI should reflect that since it can also be updated by other things. I've got an implementation where I have a local string that's being edited, and that is displayed, and every time the value changes that string's checked to see if an integer can be parsed out of it, in which case the backing field's updated. Problem is then the cursor resets to the...

Kotlin API call from URL using Retrofit to Parse JSON I want to parse JSON objects from an API URL with Kotlin on Android Studio and I saw Retrofit, but I couldn't understand how to code that so I can receive objects from the API URL and parse them. ¿Any help from people with experience on doing It? I saw some videos but some of them are outdated.

Preserve metadata for file upload in Spring Boot I'm creating an image upload app where the user can edit image metadata. The current way I'm handling file upload is with multipart file. fun handleFileUpload(@RequestParam files: Array): String { This works, but I lose access to all file metadata for the images. I'm wondering what the ideal way to do this so I can access metadata? I know the Java.io.File class has metadata access. I'd prefer to maintain drag and drop functionality on my Angular front end.

How to identify which option chosen by User: Camera, Video or Gallery? I am passing three intents together to show Camera, Video, Gallery using Intent.ACTION_CHOOSER But not able to identify what option user has chosen: Camera, Video or Gallery. Is there any way to identify the operation in registerForActivityResult Below is my code to show these three options to user: val galleryIntent = Intent(Intent.ACTION_GET_CONTENT, null) galleryIntent.type = "*/*" val cameraIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE) val videoIntent =...

Background app track url requests from youtube app I would like to create an app that runs in background while the users is on Youtube's app and get the video's URL as soon as he clicks on it. I've not found any information yet. Do you have any hint on this? Maybe getting youtube's requests or casting the screen an do some ML image detection (but it would take more RAM). FLuflu

Add button in recyclerview to edit or delete data from realtime database i'm a beginner in programming so forgive me if my code is messy. I need some help to complete my program. I'm using recyclerview to retrieve some data from realtime database and i want to add edit and delete button in the recyclerview to edit and delete some data. I already create the button in the xml file, i just don't know how to code the button. I already tried some tutorial from youtube and refer to some code in some others post on stack overflow but most of the time the code will either...

kotlin how to make a search firebase database? error log: Inconsistency detected. Invalid item position 3(offset:3).state:5 androidx.recyclerview.widg I'm trying to make a search firebase database, when the searchbutton is pressed it will display the search results in the recyclerview. but when I press the search button a force close occurs on my application, Log: Inconsistency detected. Invalid item position 3(offset:3).state:5 androidx.recyclerview.widget.RecyclerView I've tried setting up the adapter but I still don't really understand what I'm doing. so the application is still force close or search is not running. sorry i'm still a...

How spring DI works between two Gradle subprojects? There are 2 subprojects(sub-project1 and sub-project2) in the Gradle spring boot project. The dependency relationship is sub-project2 depends on sub-project1. We have the following interface and service in sub-project1: interface Foo { fun bar() } class MyService(private val foo: Foo) { // do something } And we implement this interface in sub-project2: @Component class FooImpl : Foo { override fun bar(): { // TODO } } My question is that why spring can inject...

Type mismatch: inferred type is Task<Uri!> but Task<URI>! was expected package fr.yashoodev.naturecollection import android.net.Uri import android.util.Log import com.google.android.gms.tasks.Continuation import com.google.android.gms.tasks.Task import com.google.firebase.database.DataSnapshot import com.google.firebase.database.DatabaseError import com.google.firebase.database.FirebaseDatabase import com.google.firebase.database.ValueEventListener import com.google.firebase.storage.FirebaseStorage import com.google.firebase.storage.UploadTask import...

Handling back press in Jetpack Compose I have a Composable which has different views (see the code for better understanding) When user clicks on the button it navigates to different view but when user press the back button it navigates to previous screen but I want to navigate to pervious view Something like on Back press viewState changes it's value Note: I don't found nice explanation than this var viewState by remember { mutableStateOf(0) } Column { when (viewState) { 0 -> { Button(onClick = { viewState...

Incorrect filename after saving file with duplicate name (Android 8.1) I'm creating file on my device using method from Google docs: private val getContent = registerForActivityResult(ActivityResultContracts.CreateDocument()) { uri -> uri?.let { writeToFile(requireActivity(), it) } } then launch it: getContent.launch("file.csv") When i'm creating file with same name it's saving as "file.csv(1)" in my file explorer but "file(1).csv" expected (even in Google docs). So i can't open it because file have .csv(1) not .csv format. On Emulator with Android...

Create full screen bottomsheets with bottomBar in jetpack compose I do have a requirement in jetpack compose where I need a bottom bar in my scaffold also a bottom sheet with adjustable height. I can achieve only any one of these. I had to sacrifice the bottom bar with below code: BottomSheetScaffold(sheetContent = {//anything here}) { innerPadding -> Box(){} } I have no option to use bottom bar here whereas I have the freedom to adjust the height of the sheet. The second solution is using ModalBottomSheetLayout where I can add scaffold inside it and...

How to get person name while reading messages from device in android? I'm trying to get all messages from the user's phone, user number, text messages are retrieved successfully. But the problem is how can I get the UserName of the message sender saved in the user mobile device. I'm getting the error Caused by: java.lang.NullPointerException: cur.getString(cur.getColumnIndex("person")) must not be null Here is the method to get user SMS. fun getSMS() { msgArrayList = ArrayList() msgArrayList?.clear() val uriSMSURI: Uri =...

Vector drawable display issues for Jetpack Compose I have a list of items that I want to iterate through one at a time via clicks and display its content in a composable: if ( gameTopicsItems.value.isNotEmpty() ) { GameTopicItem( modifier = modifier, gameTopic = gameTopicsItems.value[currentIndexState.value], showPreviousIcon = currentIndexState.value > 0, showNextIcon = currentIndexState.value < gameTopicsItems.value.lastIndex, onNextClick = { currentIndexState.value += 1 },...

Menu not showed in Android I'm trying to display a mediaroute list in a menu but the menu doesn't show up and I don't understant why. The logcat doesn't show any error, so if someone see's why please give me an advice, thanks. Code: import android.os.Bundle import android.view.Menu import androidx.appcompat.app.AppCompatActivity import androidx.core.view.MenuItemCompat import androidx.mediarouter.app.MediaRouteActionProvider import androidx.mediarouter.media.MediaControlIntent import...

Global variable not updating when called in a function which is called in onCreate So I have private var places = ArrayList() which I want to fill with an API call output. I have a button which when clicked should put markers on the map from the coordinates I receive from the API call. This is where i press the button and call findPos() var fab: View = findViewById(R.id.parking) fab.setOnClickListener { view -> mMap.addMarker(MarkerOptions().position(findPos()).title("Here")) } findPos is where I make the API call and fill the ArrayList. fun findPos():...

Viewmodel crash after on onactivityresult, Can not perform this action after onSaveInstanceState I am trying a simple flow, from my activity I open the file picker then to viewmodel and this gives me a the following crash: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState And here is the code that creates this crash: private val mainViewModel: MainViewModel by viewModels() private var activityResultLaunch = registerForActivityResult(StartActivityForResult()) { result -> val fileUri = result.data?.data ?:...

How to make AutoCompleteTextView show error when no option is selected when user clicks on register button I am creating a registration activity and i want the autocompletetextview to throw and error if the user has not selected any option but has clicked on "register" button. When i try to do it with setError() with checking isEmpty(), the error doesn't go away even after the user selects an option if the error had occured before. private lateinit var semesterSelect: AutoCompleteTextView semesterSelect = findViewById(R.id.semesterSelect) val semesterList =...

Expected BEGIN_ARRAY but was BEGIN_OBJECT at line 1 column 2. How to solve it? I'm trying to retrieve data and display them in a recycler view. I'm working with retrofit, making a get request.. Everything is fine, except: it won't display data in the recycler because it says: "Expected BEGIN_ARRAY but was BEGIN_OBJECT at line 1 column 2". I also used the kotlin data class file from JSON plugin to generate data classes from the response. I don't know what to do, I'm stuck.. Here are my classes: ApiClient.kt object ApiClient { private const val BASE_URL: String =...

Jetpack Compose: App crashes when navigating from popup menu to another screen/fragment I have a dropdown IconButton on a lazyColumn list of rows. This dropdown exposes two actions, "View Profile" and "View History". I am picking the userId and navigating to the respective screens/fragments depending on which action the user selects. My navigation logic(using navManager) is on the view model of the current fragment with the dropdowns. On navigation I get the below stacktrace. What am I possibly doing wrong? Please help: java.lang.IllegalArgumentException:...

Error converting date to timestamp (by objectMapper from com.fasterxml.jackson) I have xml with tag 1994-11-30 I need convert it to json. My code: fun convertXmlToJson(profile: NotifyGetDocsRqType): JsonNode? { return objectMapper.valueToTree(profile.data) } As a result I am getting json with Birthday = 786142800000. The problem is that 786142800000 = 1994-10-29 (checked here https://www.epochconverter.com) Configuration for objectMapper: @Bean fun objectMapper() =...

Intel HAXM is required to run this AVD, but I already installed it I've been looking online for this and it seems like no one has the same problem as I have. I just downloaded Android Studio to start learning Kotlin and after following Google's tutorial steps I get this message: After that I hit ok to Install the HAXM thing and it says successful but It goes back to the same message of HAXM needs to be installed. I tried SDK manager --> SDK tools -->...