Google AdMob mediation - Rewarded Ad custom event adapter won't initialize I am following this guide to create a custom rewarded ad event https://developers.google.com/admob/android/rewarded-ads-custom-events This is my adapter function: class CustomRewardedAdAdapter : Adapter(), MediationRewardedAd { private var customRewardedAd: CustomRewardedAd? = null // not fired override fun initialize( context: Context?, initializationCompleteCallback:...

Will KClass qualifiedName return unique classnames for whole project after ProGuard/R8 obfuscation? I have a project, where trying to use classnames as key in hashmap (e.g. for caching purpose) Debug configuration works ok. In release one I have use standart obfuscation rules. release { shrinkResources true minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' ... } These rules has convert readable class names into one-letter, for obfuscation and minimization. For example: my.project.obfuscation.domain.interactors.classOne ->...

How to pass data between two Activities without a direct navigation link between them? I have 3 activities: ActivityOne fetches some BLE info, verifies it, then launches ActivityTwo on success. ActivityTwo uses a Fragment that displays a RecyclerView of Foo items. Each Foo has an associated click listener to launch ActivityThree, passing the Foo.id with intent.putLongExtra. ActivityThree needs access to the BLE info. Since the Fragment from ActivityTwo is launching ActivityThree (and doesn't know about...

How to mock static java method from kotlin , mockkStatic not working I want to mock static method of java class from Kotlin test case. I am using below code that does not work. It always called actual method. mockkStatic(Aes::class) every { Aes.decrypt(PASSWORD, SECRET_KEY) } returns PASSWORD Actual method in java class: public static String decrypt(String text, String secretKey) {}

How to connect fragment to fragment with button in kotlin? btn_detail.setOnClickListener { } How to connect fragment to fragment with button in kotlin? please reference

Firebase download onProgressListener not getting called often In my android app I have a function to download files from my firebase storage, and when I am downloading I display a progress bar that gets updated using the downloader "onProgressListener" function, only problem is that it gets called very rarely, meaning that the downloads will go something like 0%->43%->89%->100%. Now I am not talking about small files which would make sense, I mean files that can take 5 minutes to donwload. Any idea how I can make the progress go smoother instead of just...

Android resource linking failed error after updating android studio I just updated android studio, and suddenly my app wouldn't run anymore showing this error: D\my projects\android kotlin\Android MVP 2.0\app\src\main\res\values\attr.xml55 1325: AAPT: error: resource attr/arrayContent (aka com.app.finfirst:attr/arrayContent) not found. the error is pointing to this resource file I have: The error is showing on every attr item I have in the file. Please note that before the update the...

How to convert Instant to Int In my app I have AlarmManager to set Scheduled notification. In order to have unique notification to each Item, I need to set unique id to each pending intent, otherwise the notification run over each other. my problem is that my PK is string, not an int. my closest thing to Int in my Item model is Instant, which represent the time that the notification should send, and It's unique. And because PendingIntent id is only an int, how can I convert Instant to Int? Or should I take another...

getOrAwaitValue() method returned IllegalArgumentException when unit testing viewmodel in kotlin [duplicate] I am getting the IllegalArgumentException when i run my PatientViewModelTest class, i struggled a lot to fix to problem on my own but failed to solve it. Actually i have no idea about why this error is occurring because i'm new in Kotlin as well as Unit Testing. This is my first application in kotlin. Please help me. Thanks PatientViewModel.kt import androidx.hilt.lifecycle.ViewModelInject import androidx.lifecycle.* import com.aitriage.data.Patient import com.aitriage.data.Staff import...

how to chain reactive Mono(s) in an if-else scenario New to Reactive Java here. Can someone please help with this simple scenario (written in Kotlin): fun testReactive(): Int { Mono.just("item-exists-in-database") .onErrorReturn("item-missing") // if item is not in database an exception will be thrown .map { item -> if (item == "item-exists-in-database") { Mono.just("deleting") .doOnSuccess { println("deleting item") } //

How to set layoutTransition to animate correctly when item is removed from recycle view I want the transition happens after item is removed from the list however when I remove the item transition happens earlier and it covers other items as shown in the GIF below. my second issue is that when I use layoutTransition, when the fragment is created it expands with animation, how to avoid this at the beginning. my layout is like like this: and in the Fragment:(Kotlin): scroll_view.layoutTransition.enableTransitionType(LayoutTransition.CHANGING)...

Android MapView causing surface update I'm using MapView inside my custom Fragment and I forwarded all life cycle methods to MapView. I have an issue with infinite surface update on tablet (even on tablet emulator: HAXM Nexus 10 API30) but not on any phone. I removed all functions, except necessary for MapView implementation but issue is still present. This infinite surface update causing issue to...

Getting unexpected response code 403 and com.android.volley.AuthFailureError I was developing an android application in Kotlin which uses the newsapi and fetches data from it namely title, author, url, urlToImage and displays it in a Recycler View. Given below is the code for the Main Activity which does the API job: import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.util.Log import android.widget.Toast import androidx.recyclerview.widget.LinearLayoutManager import androidx.recyclerview.widget.RecyclerView import...

Samsung Galaxy A51 Step counter not Working? Samsung Galaxy A51 step counter not working Using foreground service and accelerometer with include accelerometer permission for android 10 But step counter not working to me please any one know what mistake by me

DiffUtil.ItemCallback areItemsTheSame() method check items twice I send request to /list.php?page=1 and display data in UI with Paging 3 component. In first request, areItemsTheSame(new, old) method do nothing. No log in Logcat. Then i refresh data with SwipeRefreshLayout and request sent same api (/list.php?page=1). DiffUtil.ItemCallback areItemsTheSame(new, old) method check items twice. once in descending order then ascending order. Logcat: I: newItem: 3308 = oldItem: 3308 I: check: true I: newItem: 3307...

Update Recycle view Each time data is downloaded I have list of images URLs. I download the images using those URLs, decrypt the images and display in a recycle view. But the problem is my recycle view displays the images after all of them are downloaded. So it takes some time. What I want to do is display each images as soon as they are downloaded. After searching for a while I found that I have to use adapter.notifyDataSetChanged(). But it did not working for me. I can not figure it out. Please help. My Adapter class RecordListAdapter(val...

Convert uri to base64 in kotli not working I'm trying to convert an uri to base64 so I can send it to my database. I have following code: private fun convertPictureToBase64(pictureUri: Uri): String{ var bitmapPicture: Bitmap = MediaStore.Images.Media.getBitmap(this.contentResolver, pictureUri) var boas: ByteArrayOutputStream = ByteArrayOutputStream() bitmapPicture.compress(Bitmap.CompressFormat.JPEG, 100, boas) var byteArray = boas.toByteArray() var encodedString = Base64.encodeToString(byteArray, Base64.NO_WRAP)...

Serialize Kotlin nested classes to flat JSON I'm looking for a standardized way to serialize a Kotlin object into a "flat" Json with only key -> value pairs using kotlinx.serialization on the JVM. An Example: @Serializable data class Address(val street: String, val postalCode: String) @Serializable data class Customer(val id: String, val name: String, val address: Address) The default behaviour upon serialization is: { "id": "123ABC", "name": "Joe" "address": { "street": "my street", "postalCode": "123456"...

MockK causing a StackOverflowException As title! I can't run any tests that are using MockK, as they end up throwing a StackOverflowError during initialisation. As an example, here's one of my test classes: @ExtendWith(MockKExtension::class) class DBSequencesServicesTest { private lateinit var service: DBSequencesService @MockK private lateinit var sequencesRepo: DBSequencesRepo @BeforeTest fun initService() { service = DBSequencesServiceImpl(sequencesRepo) } @Test fun `should return...

Does Kotlin inline function unwrap parameters when unused? I have an inline function like this (simplified): inline fun foo(p1: Any) { if (predicate) bar(p1) } and, say, calling for parameter p1 is expensive. foo(download()) will download be called if predicate fails? completely inlined call would look like this: if (predicate) bar(download()) // download() not called

how can I map my list of movie in mapper class?

use mock for 2 function and same answer I have A class class A{ fun b():String{ return "b"} fun c():String{ return "c"} fun d():String{ return "d"} } I use Mockk or Mockito for UnitTest. I need to return all function "checkForTest". I use this way. @Test fun test() { val a: A = mockk() every { a.b() } answers { "checkForTest" } every { a.c() } answers { "checkForTest" } every { a.d()...

Android Kotlin How to get all items from an array How to I get all items from an array instead of just 1 Log.d("TAG", "TESTING:: ${productfeed.variants[0].option_values[0].name}") Lets say I had 30 "variants" and I wanted to get all all of the option_values[0].name from them how would I do that? Thank you!!

Android Paging 3 and RemoteMediator requests for list while user doesn't reached the bottom of the list I was working with Android Paging 3 as you can see in https://developer.android.com/topic/libraries/architecture/paging/v3-network-db. When I run the app RemoteMediator requests server to get List until there is nothing on the server. The point is here that we want to get the list when user reached the bottom of the list, but RemoteMediator is requesting until get all of...

Android how to post InputStream by chunks using okhttp I have an issue with FileInputStream on Android with Kotlin and Okhttp. I want to post a video file by using an API, but if this file is bigger than 128mb I have to upload it chunk by chunk. So, in my request header I have to specified the Content-Range (Something like this: Content-Range bytes 0-10485759/189305151) And I need to post only this part of the file, that why I'm using FileInputStream, then repeat for each chunks. To do so I'm using the read() method of FileInputStream to get the...

ExoPlayer how to show loading first frame during loading of video I'm having an API serving the video URI and a (preloaded!) first frame URI. How can I initialize the ExoPlayer with the already available first frame? @Singleton class MediaPlayer @Inject constructor(private val context: Context) { companion object { var exoPlayer: SimpleExoPlayer? = null var pauseItem = false } fun initializeExoplayer(uri: Uri): SimpleExoPlayer { if (exoPlayer != null) { resetPlayer() } val trackSelector =...

What's Kotlin's equilavent for Python's __repr__ function? I've been googling this for a while now, and I can't seem to find anything. What's Kotlin's equilavent for Python's repr function in classes? This would be the code in Python: class Example: def __init__(self): pass def __repr__(self): return "This is an example to demonstrate what I mean with this Forum question." What would be the code in Kotlin?

kotlin loop over 2 lists of different lengths hopefully you can give me some advice about a problem that I've solved but I'm not happy with. I have this code val allTeams = (0 until teamNumber) .map { Team() } var idx = 0 playerNames.filter { it.isNotBlank() } .map { it.trim() it.capitalize(Locale.ROOT) } .shuffled() .forEach { allTeams[idx].addPlayer(it) if(idx == allTeams.size - 1) idx = 0 else idx++ } If i give this code teamNumber 3 and the playerNames...

Organizing Spring Boot profiles into directories I have a Spring Boot project with a handful of different configurations we use and these are based on profiles. This has worked great for me so far but the issue is I'm getting quite a bit of profiles in the resources directory. I would like to organize them into directories so they are easier to locate quickly. I've tried doing that but when moving them into nested directories Spring fails to actually load the values of the given profiles. Ex structure: resources database...

android kotlin app not parsing data with retrofit from laravel I have to parse data from db table with laravel api and retrofit on android app and then show them in markers on google map..google maps working fine and also function for showing markers but i can not get data from db to List.in ssh server there i have two repositories and drienik repository is where I have Laravel folder with laravel api .. below is my kotlin code: This one is retrofit builder: package com.bp.digitalizacia_spravy_ciest import okhttp3.OkHttpClient import retrofit2.Retrofit...