How to parse un json string into a List with MOSHI I'm looking to parse a a result json who built like that : {"list": [ { "data1": "data1", "transaction": { "data2": "data2", "data3": "data3" }, "breakdowns": [ { "data4": "data4", "data5": "data5" } ] } ]} I'm using moshi and okHttpClient to handle this json. I build the data class correclty So now when I try to...

InverseBindingAdapter - Get original value I am implementing a custom two way data binding. For the InverseBindingAdapter, I want to get the original value like this example https://developer.android.com/reference/android/databinding/InverseBindingAdapter Sadly I get an error when I compile error: @InverseBindingAdapter getDuration(ButtonToggleGroup, int) takes 2 parameters, but 1 parameters were expected...

The app language is changed to English after exit from PictureInPicture mode My app supports two languages, English, and Persian. The default locale is set to Persian. When I exit from PIP mode (onPictureInPictureModeChanged method) the app language switches to English automatically. how can I solve this problem? @Suppress("DEPRECATION") fun enterPIPMode() { if (SDK_INT >= Build.VERSION_CODES.N && requireContext().packageManager.hasSystemFeature( PackageManager.FEATURE_PICTURE_IN_PICTURE ) ) {...

How does for loop is possible while using a Map? AFAIK a Map doesn't declare that it implement Iterable (in contrast of Collection who does). So how does it possible to run over all map entries using a for loop? Code: val map = mutableMapOf("One" to 1, "Two" to 2, "Three" to 3, "Four" to 4) for (element in map) { println(element.value) }

lateinit property recyclerView has not been initialized Kotlin It is showing lateinit property recyclerView has not been initialized. Please help to out to figure out the problem. class MainActivity() : AppCompatActivity(), NewsItemClicked { private lateinit var recyclerView: RecyclerView private lateinit var mAdapter: NewsListAdapter override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) recyclerView.layoutManager =...

Test Framework quit unexpectedly (While Launching Activity) apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-android-extensions' apply plugin: 'kotlin-kapt' android { compileSdkVersion 29 buildToolsVersion "29.0.2" defaultConfig { applicationId "com.solosen.roompaging" minSdkVersion 23 targetSdkVersion 29 versionCode 1 versionName "1.0" testInstrumentationRunner...

Check if row is inserted into Room database I am inserting rows into Room database and I want to check if the row is inserted successfully. This is my Dao @Insert() suspend fun insertOfflineData(offlineData: OfflineData): Long @Entity data class OfflineData( @PrimaryKey(autoGenerate = true) val id: Int = 0, @ColumnInfo(name = "request_info_json") val requestInfoJson: String ) When I insert a row the response is 1,2,3 and so on.. So it is the id that it is returning (is that right?) So to check if the row is inserted...

How to make typeconverter work with list of custom class that contains list? The Entity class. I want to fetch items as camera detector detects objects. What kind of typeconverter would take list of items class, confidence etc. ? @Entity(tableName = "Objects_table") data class Objects( @PrimaryKey(autoGenerate = true) @ColumnInfo(name = "object_id") var id: Int, @ColumnInfo(name = "object_name") var name: DetectionResult?, @ColumnInfo(name = "detected_time") var time: Result?) The Results class that I want to...

Using Moshi with a JSON array that has no keys I have a json response that contains no keys and has no curly braces ("{}"): [ "esp32", "the-things-node", "the-things-uno" ] I want to use Moshi to create Kotlin objects out of it. Each object has just an id which should be set to the String values from the json response. @Parcelize data class TTNDevice( val id: String ) : Parcelable But I'm getting this exception: com.squareup.moshi.JsonDataException: Expected BEGIN_OBJECT but was STRING at path $[0] Using this function:...

Dialog is closed when tap on login autofill I use in my app a DialogFragment for the login screen. Android detects that is a login screen, so the Google Autofill Dialog appears. Previously all was good with that, but since few days/weeks, when I select a mail in the autofill dialog, my DialogFragment closes, so I have to write mail manually to avoid that. I've tried to set my dialognot cancelable but with no result. Has anyone noticed this kind of problem as well? Maybe it happens with others autofill services.

Path must contain // in them I have made a social media app where users can upload there pic. I want to add a delete option for the users in the app. I want the users to delete their pic from Firebase cloud storage whenever needed. Here is my code val firebase_url = contentDTOs[p1].imageUrl val storageRef = firebase_url?.let { it1 -> FirebaseFirestore.getInstance().collection("images").document( it1 )...

How to avoid duplicating a function body I want to write a helper function to simplify viewmodel calls to services. In the library that this project uses (and which I cannot modify) there are a few different promise types that need to be used in the same exact way in every function, the only thing that varies is the (()->Unit) lambdas passed to them. Despite these promise types having the exact same members and being used the same way, they don't share a common interface so in order to write this helper function, it would seem to me...

How to pass data in url without Query in Retrofit I am using Retrofit for API calls.. My API is like this https://test/update/123456789.. In this APII need to pass "123456789" as value.. Can anyone help me to do this using Retrofit.. How can I pass this value w/o Query.. Thanks in Advance..

Kotlin: Resettable Lazy, delete cache if accessed again I am trying to create a resettable lazy delegate in Kotlin. I know that there is already the same question here on stackoverflow and also some answers, but ALL of them suggest resetting the value manually. But I don't want / can't do that. What I want is something like this: class DoSomeStuff() { private lateinit var stuff: Stuff // this value will be initialized in runtime private val myLazyDelegate by resettableLazy { stuff } // but because I access it here, I would normaly get...

Face authentication not working to unlock my app I want to give face authentication to login in my app. I have tried implementation "androidx.biometricbiometric1.1.0-beta01" api for that, but it always ask for fingerprint authentication only regardless of face unlock is set or not in any android version.

ChannelFlow producer scope is not triggered I have issue with the following code: suspend fun getData(): Flow { println("#getData called") return channelFlow { println("#getData producer scope started") launch(Dispatchers.IO) { val cachedData = sharedPreferencesUtils.getData() println("#getData send cached data") send(cachedData) } launch(Dispatchers.IO) { val response = handleAPI { apiService.getData() } println("#getData send remote...

Recycler View in Fragment shows no data although PagingSource loggs correct data I am trying to display RESTful Api in recycler view in fragment. When app runs it shows no error but loads nothing in recycler view. I logged response in PagingSource file and it shows correct data but still nothing is displayed in recycler view. This is my Api interface: interface Api { companion object { const val BASE_URL = "http://be7c232bf30e.ngrok.io" } @GET("/posts") suspend fun searchPosts( @Query("_page") page: Int, @Query("_limit") perPage:...

How can I create a List (or any other collection) of another class property's type dynamically? This feature is inspired by TypeScript which allows us to create arrays based on the property of another class, whatever that property's type is. For example assume you have this class in Kotlin: class Person( val name: String, val age: Int ) And later, somewhere else in the code I want to have a list of names, so I would do something like this: val namesList = List() And Kotlin will know that this will be equivalent to List() at compile time. This avoids me to manually propagate the type...

Show dialog on longitemclick of ListAdapter I have an activity that contains the following List adapter to show some information about github repositories. Now I need to implement that when on a long-press on a list item show a dialog to ask if should go to repository html_url or owner html_url which is then opened in the browser. What would be the best way to implement this? Should the logic be in the activity or in the ListAdapater/ViewHolder? RepositoryListAdapter class RepositoryListAdapter : ListAdapter(...

How to inject dependencies that have dependencies with constructor injection with dagger2 I'm newbie to Dagger2 i saw the concept of constructor injection but i have this use case. I have 3 classes Coffee, CoffeeBox, WaterBottle ... and this is the code of them class CoffeeBox @Inject constructor(var quantity:Int){ fun show():String ="i'am a coffee box" } class WaterBottle @Inject constructor(var size:Int) { fun show():String="i'm a water bottle" } class Coffee @Inject constructor(var waterBottle :WaterBottle,var coffeeBox: CoffeeBox) { fun...

Why does JPA Repository save method automatically update children entities? So I have a bug in my spring boot project which I dont know what to do now. I have following 2 entities: Customer.kt: @OneToMany(mappedBy = "customer", cascade = [CascadeType.ALL]) var projectList: List? and Project.kt: @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name="customer_fk") var customer: Customer? I am using the save method only once in my method, like this: customerRepository.save(existingCustomer) existingCutomer has a field projects. While debugging, I made sure that...

Android - Retrofit's Authenticator "original" request doesn't contain previous token Context: I'm trying to solve a token refresh issue with multiple parallel requests happening. In order to do so, I need to compare previous (saved) token with one coming into authenticate() function. Then, I'll know if I need to do token refresh or not. The problem itself: response.request().headers() list doesn't contain my "Authorization" header, even though it's added in my "AuthIntercepter" for every call. It contains other headers, but specifically "Authorization" is missing... Is there...

Kotlin - does the blocking call nullify suspend? Case of 'Inappropiate blocking method call' warning Consider following function suspend fun writeToStream(osw: OutputStreamWriter, text: String) = withContext(Dispatchers.IO) { osw.use{it.write(text)} //AndroidStudio warns about 'write' - Inappropiate blocking method call } Does the warning mean that the function is not actually suspending? I've looked into this thread, and based on the comment by Tenfour4, it seems that...

Broadcast receiver not triggered with alarm manager i'm setting up a project in which i want to push a notification using broadcast receiver and alarm manager . for some reason the broadcast receiver is not being triggered even though i put log to check that and i confirmed it is not working This is my Receiver class class MyReceiver : BroadcastReceiver() { override fun onReceive(context: Context, intent: Intent?) { createNotificatio(context.applicationContext) } private fun createNotificatio(context:...

Background tasks in Ktor like "Hosted Service" in ASP.Net Core I'd like to know how to create a background tasks in Ktor like "Hosted Service" in ASP.Net Core. I need to have a background task running indefinitly on my Ktor server. I'm coming from a C# background and we handle this with "Hosted services" in c# asp.net core Any suggestions, samples Than you very much. best regards

How to serialize a generic class with kontlinx.serialization? I have followed a tutorial to create a custom serialization for my generic class. But I am still stacked with error: SerializationException: Serializer for class 'ApiResponse' is not found. Mark the class as @Serializable or provide the serializer explicitly. My ApiResponse class looks like this: @Serializable(with = ApiResponseSerializer::class) class...

How to use gRPC with Kotlin Ktor Where can I find examples of using gRPC with ktor. Is it possible, has anyone done such before? I need help. I have tried following this sample: https://github.com/renannprado/ktor-grpc-sample but I could not get to work and the sample may not be complete.

Flutter: Extract Rect from image by coordinates I would like to extract a rect from an image. The rect is given by the following: final rect = Rect.fromLTRB(left, top, right, bottom); I have an Android background and in Android I did this: private fun Rect.toBitmap(bitmap: Bitmap): Bitmap = Bitmap.createBitmap(bitmap, left, top, width(), height()) I tried out this image library: https://pub.dev/packages/image but this is not working properly. Now, is it possible to...

java.lang.RuntimeException: Could not launch intent Intent only on emulator on api 28 (android 9) Seeing this exception for an espresso test: java.lang.RuntimeException: Could not launch intent Intent { act=android.intent.action.MAIN flg=0x10000000 cmp=/.root.presentationcomponent.implementation.RootActivity } within 45000 milliseconds. Perhaps the main thread has not gone idle within a reasonable amount of time? There could be an animation or something constantly repainting the screen. Or the activity is doing network calls on creation? See the threaddump logs. For your reference the...

Android Navigation Component and File Chooser I am using Android Navigation with two fragments "Fragment A" and "Fragment B" In "Fragment A" I open "Fragment B": findNavController().navigate(R.id.action_fragmenta_to_fragmentb) In "Fragment B" I open a file chooser with startActivityForResult: val openFileIntent = Intent(Intent.ACTION_OPEN_DOCUMENT) openFileIntent.addCategory(Intent.CATEGORY_OPENABLE) openFileIntent.type = "application/json" val mimeTypes = arrayOf("application/octet-stream")...