How to display the data in the recycler view with Paging 3 library I'm playing around with the Paging 3 library, And I'm getting the correct data from the network inside load method in the DataSource. But somehow the data doesn't sent back to the activity and the recycler view, and all I get is just empty recycler view. What am I doing wrong with my code? DataSource override suspend fun load(params: LoadParams): LoadResult { val position = params.key ?: MOVIES_STARTING_PAGE_INDEX val response =...

Text on the floating window's webview is not selectable I have a service that has a floating window over the apps. In the floating window view I have a webview. It is an custom webview. public class MyWebView extends WebView { public static final String JS_FINISH = "finish"; public static final String JS_LOAD_URL = "loadUrl"; private String name = "Android"; private OnScrollChangedCallback mOnScrollChangedCallback; private OnJSEventListener onJSEventListener; public MyWebView(Context context, AttributeSet attrs) { super(context,...

Downloading JSON file to Android app by Kotlin coroutines I've tried to rewrite doInBackground frome AsyncTask to Kotlin coroutines way. The good thing is that I don't recive any errors, bad one - not working. To be honest I'm not sure is that can work in that form, I'm looking for info am I choosed good direction. Should I populate somehow withContext(Main) from setStringOnMainThread()? Thanks in advice. package com.whayway.flickapp import android.util.Log import kotlinx.coroutines.Dispatchers.Main import kotlinx.coroutines.withContext import...

Strange behaviour with Cucumber runner, Kotlin and Spring I have the following Configuration class in Spring: @Configuration class ApplicationConfig { @Autowired lateinit var configProperties: ConfigProperties val redisHost get() = configProperties.redisHost val redisPort get() = configProperties.redisPort @Bean @Primary fun reactiveRedisConnectionFactory(): ReactiveRedisConnectionFactory { val clientConfig = LettuceClientConfiguration.builder()...

Convert to list of data class object from JSON string using Gson? I have JSON string as below var purchases = "[{\"contentId\":\"861723b2-78e4-42ea-8479-40fa0850c314\",\"purchaseType\":\"RENT\"},{\"contentId\":\"138bc762-b539-4749-8706-de2f0eea4b61\",\"purchaseType\":\"PURCHASE\"}]" I am trying to convert it into list of data class objects val userPurchases: List = Gson().fromJson(purchases,List) This is my data class data class UserPurchases( val contentId: String, val purchaseType: String)

Why Does Kotlin have Semicolons? One nice thing about Kotlin is that it infers that statements are one-line each. If the parser does not thing the statement is over, it is smart enough to look at the next line until the statement is complete. This removes the need for semicolons, a bane for new programmers. But Kotlin does have semicolons. Using such allows programmers to stack more than one statement on a single line. This goes against nearly every practice I've seen, including Google's official <a...

Espresso - moveTaskToBack() method doesn't work I want to move my app to the background using moveTaskToBack() method. But for various reasons, Android Studio does not recognize this method as predefined. Does anyone know why and how I could solve this problem? I am using: Android Studio 4.0.1 Build #AI-193.6911.18.40.6626763, built on June 25, 2020 Runtime version: 1.8.0_242-release-1644-b3-6222593 x86_64 VM: OpenJDK 64-Bit Server VM...

java.lang.NoSuchFieldError: FSYNCED I am getting error when executing below code, could you please help me in resolving this error public fun getEntityManager(): EntityManager { val tm: TransactionManager = com.arjuna.ats.jta.TransactionManager.transactionManager() val emf: EntityManagerFactory = Persistence.createEntityManagerFactory( "mongo-ogm") tm.begin() return emf.createEntityManager() } Caused by: java.lang.NoSuchFieldError: FSYNCED at...

Gradle access to resource file in other project I write library in Kotlin and I have got problem with dependencies. I have the file in resources and when I run it in IJ it works ok. The problem starts when I publish library to artifactory. When I use lib as dependency I have null pointer exception. When I unpack Jar I can see the file. Here is my gradle of library: plugins { id 'org.jetbrains.kotlin.jvm' version '1.3.72' id("maven-publish") } group 'pl.sample' version '1.0.7' repositories { mavenCentral() } sourceSets {...

Ignore base class View public functions in Subclass documentation with Dokka I generated documentation with Dokka for a View subclass. Works well, but the docs include the hundreds of public functions of the base View class. Is there a way to only document my subclass public functions? I tried adding these options to the Gradle task but I don't think this is what it was meant for: dokkaHtml { dokkaSourceSets { create("main") { noAndroidSdkLink = true perPackageOption { skipEmptyPackages = true...

Access classloader from main method (package method) I am trying to access a ressource (certificate) in my classloader. fun main() { System.setProperty("javax.net.ssl.trustStore", this.javaClass.getResource("/certi.jks").path) } But I can't because it's a package method. As a workaround I put the code in a class method and I make a new class to set those. Any better way to do that ?

Unable to Handle Retrofit Connection Error in Kotlin Coroutine I was trying to make an API request inside a Kotlin Coroutines. I have wrapped all code inside the coroutine with a try-catch block. viewModelScope.launch { try { val temp = repository.searchMatch(query ?: "") liveData.postValue(temp) } catch (e: Exception) { Log.d(TAG, e.message.toString()) } } The problem is, if I turning off the network while the request still running, the exception gets caught but also my app gets crashed because of the uncaught...

How to add Sound Effects with Kotlin in Android studio How do you program sound effects in kotlin androidStudio Looked all over Yt and there all in Java

How to add TAG on CBOR object and ByteString using kotlinx.serialization How to add TAG on CBOR object and ByteString using kotlinx.serialization Example :- 24(h'A367646F635479706564646F63326A6E616D65537061636573A2666E616D653231A2626262F4626363F4666E616D653232A2627878F4627979F46B72657175657374496E666FAA644B6579306656616C756530644B6579316656616C756531644B6579326656616C756532644B6579336656616C756533644B6579346656616C756534644B6579356656616C756535644B6579366656616C756536644B6579376656616C756537644B6579386656616C756538644B6579396656616C756539') In this example i have...

How to add fragment activity to MainActivity.java or MainAcyivity.kt I am trying to build fingerprint fitur in my flutter apps and I am using local_auth package... the problem is.. I always get PlatformException(no_fragment_activity, local_auth plugin requires activity to be a FragmentActivity., null) I try to add FragmentActivity to MainActivity.kt but it doesn't work.. here is the structure of my folder... so should I create MainActivity.java? and where should I place MainActivity.java in my folder?<a href="" rel="nofollow...

How to get all items under public folder in AWS S3 using Amplify from Android Kotlin? I am not getting items from AWS s3 bucket Amplify.Storage.list( "/", { result -> Log.i("MyAmplifyApp", "Total Items : " + result.items.size) result.getItems().forEach { item -> Log.i("MyAmplifyApp", "Item: " + item.getKey()) } }, { error -> Log.e("MyAmplifyApp", "List failure", error) Toast.makeText(this, "Something went wrong. Please try again.",...

How make Asynchronous program block in kotlin? I have seen other questions that exist that cover this question , but none are clear enough or specific to my question. I am trying to run a Firebase task(list result) and I don't want any other code to run until this function is complete. Is there a blocking function in kotlin? that forces a function to run first before the program proceeds? fun listinfo(){ listallinfo.addOnSuccessListener{ } } //force this task to complete before...

Too many for public constructor defined Kotlin Problem I'm a bit lost, make a database, where the user will have to save the results of the signup, in which he will choose data to signin in the application. Can somebody straighten me out? I am adding a comment where the error is coming. Here I am using the firebase realtime database. In the code, Firebase Authentication is added and also the database is here so as to do both the work in a same code Here's the code class SignUp1: AppCompatActivity() { private lateinit var auth:...

class com.flutterkabogor.FlutterAppCompactActivity, unresolved supertypes: AppCompatActivity I Have error like below after get flutter run e: Supertypes of the following classes cannot be resolved. Please make sure you have the required dependencies in the classpath: class com.flutterkabogor.FlutterAppCompactActivity, unresolved supertypes: AppCompatActivity e: /home/university/Documents/ME/SRC/pesonakabogor/android/app/src/main/java/com/flutterkabogor/MapsActivity.kt: (9, 24): Unresolved reference: v7 This is my Code My pubspec.yaml name: flutter_kabogor description: A new Flutter...

WireMock two request with the same url to different services Description I have two feign client for two different services, but there is one problem - they have same urls. So when i tried to wrote some test using wiremock i got unexpected behavior. @FeignClient("first-client-api") public interface FirstFeignClient { @GetMapping("/entities") Entity getEntity(String id); } @FeignClient("second-client-api") public interface SecondFeignClient { @GetMapping("/entities") Entity getEntity(String id); } public static void stubFirstClient(){...

Open background activity when notification recieved i have to open my particular activity when receiving a push notification. i can handle the same when application is in foreground but when app is in background or killed the activity is not showing. my notification helper class package com.oxicodes.apple.edropsStaff.firebaseservice import android.app.Notification import android.app.PendingIntent import android.content.Context import android.content.Intent import android.media.MediaPlayer import androidx.core.app.NotificationCompat import...

How use when(x){} when the values of x is continuous? In kotlin the values in expression when() is only Int. ¿How put values continuous or similar in cases with condition placeTinyMarker(reportPet) in zoom15 until zoom17 -> placeMarker(reportPet) else -> placePicassoMarker(reportPet) } It is similar to this. (My code byfore but is ugly): if (zoomCamera < zoom15) { placeTinyMarker(reportPet) } else if (zoomCamera < zoom19) { placeMarker(reportPet) } else { placePicassoMarker(reportPet) }

Use one version of java library or another =&gt; make code compatible for both I'm working on a Spring Boot project built with Gradle and the main language is Kotlin. In this project, there is one imported library (developed in Java) which, depending on the version I use, has 5 or 6 parameters in the constructor of a specific class I use. For now, I switch between the versions manually by changing the version number in the build.gradle.kts file so my question would be : regardless of the version I use, how could my code work for all the versions ? So, basically,...

java.lang.IndexOutOfBoundsException: Inconsistency detected. Invalid item position 40(offset:40).state:41 androidx.recyclerview.widget.RecyclerView I'm trying to remove an item from a RecyclerView using a volley request. The request is working fine but the problem is when I'm trying to remove it from the list too. I read different posts on the same subject but haven't find a solution to fix my problem. I think is something about using notifyItemRemoved but I dont know exactly how. Any suggestions would be appreciated! This is my adapter class: class BooksAdapter(var deleteClickListener: OnDeleteBtnClicked) : RecyclerView.Adapter() {...

How to print a 'W' using loops How to print * * * * * * * * * * * * * using for or any other loop? I am working on Rail Fence Cipher and this pattern would solve my problem. fun main(){ println("Enter the message:") var message:String = readLine()!!.toUpperCase() println("Enter the key:") var key:Int = readLine()!!.toInt() var skip:Int = 2*(key-1) var j=0 var...

why does Android Studio not recognize functions? I did not change anything in my code, nor in the grade file, but I clicked on the update gradle notification android studio gets from time to time. I am not sure what the problem is but suddenly the IDE does not recognize some functions anymore, like String methods also this icon changed: <a href=""...

Spring Boot and Kafka upgrade broke my tests I have updated the libraries of one project, in particular, I've updated Spring Boot, from version 2.2.6 to 2.3.2. As mentioned in the migration documentation, this would also mean a change in my Kafka dependencies, going up to Spring Kafka and Kafka 2.5 However, since this change, some of my tests 'randomly' fail, as in, when I execute all of my tests,...

Android: Change App bar height of one fragment and delete text I would like to change the app bar of a certain fragment_layout. I would like to change the height from the default value "56dp" to "96dp" to fit my company logo. I also want to delete the default text. Unfortunately, I have not found any reference to this on the Internet or have overlooked it. I would be glad about any help. EDIT: I know how to change the app bar height of the entire app, but that is not the question here :)

Convert Image File to a Negative I want to get the negative of a specific Image based on following command-line input. -in xyz.png -out xyz_negative.png The files loaded are stored in a specific folder. Here is what I was/am trying to do so far. Read a png file Calculate RGB values for each pixel Calculate Negative RGB Values Set new RGB Values for png file to get the negative I am kinda stuck on the last step since the new .png ist not the negative. Here is my code, if anybody could help me or point me in the right...

Convert Firestore document to map of objects My Firestore document has data in the following format { m1: { name: "first" }, m2: { name: "second" }, m3: { name: "third" }, ... } The field names are not known in advance. But each field is of map type, containing name field. I'm trying to convert this document to a map of type , where Listing is the data class with name. data class Listing( val name: String...