ScriptEngine reusing arguments? I've been running into weird issues with Kotlins JSR-223 implementation for ScriptEngine (kotlin-scripting-jsr223) Basically, i have a condition, which i parse and compile into a CompiledScript: fun parse(clazz: KClass, condition: String): String { val simpleName = clazz.simpleName return """ import ${clazz.java.name} val condition: $simpleName.() -> Boolean = { ${trimQuotes(condition)} } fun check(event: $simpleName) =...

groovy.lang.MissingPropertyException: Could not set unknown property 'useIR' for object of type org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptionsImpl i cloned kickstarter from github & facing this error kotlinOptions { jvmTarget = JavaVersion.VERSION_11.toString() useIR = true } i have tried rebuilding , cleaning project but cant resolve this issue & there are no similar issues i found out there A problem occurred evaluating project ':app'. Could not set unknown property 'useIR' for object of type org.jetbrains.kotlin.gradle.dsl.KotlinJvmOption // Copy google-services.json from variant directory to root of app...

MockK Kotlin: Verification failed: call 1 of 1: was not called I'm trying to essentially test whether a specific method in my class calls a different method properly. I'll remove all unneeded code, so basically my code is as follows: public class Monitor { protected void onMessage(String message) { Log.d(TAG, "Detected the message") changeOptions(); } protected void changeOptions() { Log.d("Reached changeOptions() method"); } } RunWith(RobolectricTestRunner::class) class MonitorTest { private lateinit var mymonitor :...

Removing underline in hyperlink Android Studio Relatively new to the whole Android Studio world - building my first app (self-taught). After hours of search not only Stack, but Google, I cannot find a suitable answer to the below. All answers that I can see are a little more advanced to understand. I have a TextView on my 'settings' activity: I have defined my URL on string. Submit a review On my settings.kt page I have the following code onCreate: ''' val mTextView =...

Having difficulty understanding layoutinflater Android Studio (Kotlin) I am aware of a post that was made before this pertaining to the same topic, however it was in java. override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ItemViewHolder { // create a new view val adapterLayout = LayoutInflater.from(parent.context) .inflate(R.layout.list_item, parent, false) return ItemViewHolder(adapterLayout) } This was the definition the docs gave me, "Instantiates a layout XML file into its corresponding android.view.View objects." What...

Problems with a Kotlin Android app connected to Firebase I'm working on an Android app that lets you add consoles and games, serving as a library for games, that must be finished before Friday and after adding a new console, or even before, the Recyclerview in activity_dashboard_admin.xml shows the cardview and the delete icon but not element from the database in Firebase. If I click on any delete icon, nothing is removed from the Firebase database. On the other hand, the search function makes the app crash. I don't know what else to do and it's...

One Signal GmsLocationController ANR (App Not Responding) issue on Android I have an Android application on Google Play Store and I integrated firebase crashlytics to the project. Recently some of my users had an ANR issue which is: androidx.work-1 (waiting) tid=80 systid=9068 Root blocking sun.misc.Unsafe.park (Native method) com.google.android.gms.internal.location.zzz.requestLocationUpdates (com.google.android.gms:play-services-location@@20.0.0:5) com.onesignal.GMSLocationController$FusedLocationApiWrapper.requestLocationUpdates (GMSLocationController.java:201)...

Android - onClick function doesn't work in fragments i have a fragment in my quiz app and it has 4 buttons with onClick function " checkAnswer" like below, In activity it is okay to define the onClick func like fun checkAnswer(view : View){} But when i want to try it in a fragment, it doesn't work. I get an error: java.lang.IllegalStateException: Could not find method checkAnswer(View) in a parent or ancestor Context for android:onClick attribute defined on view class...

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.loginpanel2/com.example.loginpanel2.MainActivity}: When I run my application, I get an "Application Stopped" error.

Android Check Picture in Picture from another activity When the user activates picture in picture mode and continues using the app, I need to change the behavior of the other activities. I tried to use: override fun onPictureInPictureModeChanged(isInPictureInPictureMode: Boolean, newConfig: Configuration ) { if (isInPictureInPictureMode) { // TODO } else { // TODO } } fun isPipActive(): Boolean { return if( Build.VERSION.SDK_INT >= Build.VERSION_CODES.N ) {...

How to query all posts by tag_id in Postgres ManyToMany Relationship in spring JPA repository? How to query all posts by tag_id in Postgres ManyToMany relationship in Spring JPA repository? These are the tables: post post_tag tag id id_post id .. id_tag .. If I query the PostgreSQL directly via pg_admin Query tool the following sql is working: SELECT * FROM post WHERE ID IN ( select post_id from post_tag tag WHERE (tag_id = '12')) I like to have this query in my JPA Repository, but the following isn't working. @Query(value = "SELECT * FROM post WHERE ID IN (select post_id from...

Android app slow to start (6s to 10s in cold start) What really kills me, I did changes and changes over again(from layouts ...) to fight against this, what's really strange my app does not do heavy stuff(minimum functionality). I use 7 fragments, and FragmentContainerView , the default fragment contains just buttons to navigate to other fragments and adview I cleared fragments from codes, guess what stills slow in app start, which leaves two possibilities, either gradle or corrupt assets(vector only) my gradles: buildscript {...

Change return type to 'T' errror I override this function from ViewModelProvider.Factory but i get an error with the generic return type T Why ? class NewsViewModelProviderFactory( val newsRepository: NewsRepository) : ViewModelProvider.Factory { override fun create(modelClass: Class): T { return NewsViewModel(newsRepository) as T } }

MVVM: Set a getDrawable from a ViewModel I'm moving all my app's logic from the fragment to the ViewModel and cannot move those methods that set drawables. Example: marker.icon = ContextCompat.getDrawable(requireContext(), R.drawable.waypoints_sq_blank) The reason being that the context is not reachable from a ViewModel. Any way I can get this to work?

CallbackFlow waiting for its inner flow to be collected I'm implementing firestore in my android app and I was wondering how I can make this code wait for its inner flow to be collected before running with the program. The trip.tripDays in the when expression is getting populated with data a time after Response.Success with my trips is already sent. override fun getTrips(idUser: String): Flow = callbackFlow { val trips = mutableListOf() tripsRef .whereEqualTo(ID_USER, idUser) .get()...

What is the name of the Long class in Kotlin JNI? This Kotlin function @JvmStatic external fun registerNativeWindowFromSurface(): Integer; is found by with return type java/lang/Integer but when I add a Long: @JvmStatic external fun registerNativeWindowFromSurface(id: Long): Integer; I cannot find it with java/lang/Long in the argument. Is Kotlin's Long a java long or a java/lang/Long? How can I get a Long class?

Is there a way to filter the exposed dropdown menu options depending on the value of another exposed dropdown menu in compose? So for example lets say I wanted the user to select a car on a car selection screen. The user would first select the car make they want from the first dropdown and depending on what make they choose the second menu would update and would show all the possible models for that specific make.

How to call this.superClassMethod on Kotlin? I have the following code: class MainActivity: FlutterActivity() { companion object { private val STREAM: String = "com.example.my_app/stream"; private lateinit var EVENT_CHANNEL: EventChannel init { EVENT_CHANNEL = EventChannel(this.getFlutterEngine().getDartExecutor().getBinaryMessenger(), STREAM) but I get Unresolved reference: getFlutterEngine, but the method exists: <a...

How can i use findViewById inside AsyncTask? i have an AsyncTask to execute while try connect phone to bluetooth device, i want change a icon from a button if it connect successefully (I'm new to Kotlin programming) I would be very grateful if anyone could help

How does Kotlin's data class copy idiom look for nullable types? I have some code which looks like this, where param is of a data class type: val options = if (param.language == null) { param.copy(language = default()) } else { param } Now, however, the language object has been moved into a hierarchy of nullable objects, so the check must look like this: if (param.subObj?.nextObj?.language == null) { ... } How do I use the copy idiom in this case?

uninstall app fully still appears the error INSTALL_FAILED_VERSION_DOWNGRADE when I install my app background: I have installed the APK built by flutter with the 4.4.30 version. I want to install it back to 4.4.29 I uninstall the 4.4.30 app. I install the 4.4.29 package, and it will throw the error package appears to be invalid. I try to use ADB to install it, but the error will change to INSTALL_FAILED_VERSION_DOWNGRADE: Package Verification Result 6.no idea why the app built by flutter will cause this issue, even if I uninstall the app fully. the solution is using ADB install -r -d...

How to wait for suspend function to be completed before executing other code in kotlin I'm wondering if I can wait until a suspend function has completed before executing other code? loadParticlesWithoutSetCall, which I call inside of setParticlePicking, has a suspend function. I do not want anything else in setParticlePicking to be called until the suspend function has finished. Please let me know. fun setParticlePicking(particlePicking: ParticlePicking) { loadParticlesWithoutSetCall() manualParticleMarkers?.forEach { imageContainerElem.remove(it) }...

Bulid apk failed on flutter Linux zorin use visual studio code erik@erik-X455YA:~/PROJECT_FLUTTER/flutter_erikxz$ flutter build apk --release 💪 Building with sound null safety 💪 lib/main.dart4211: Error: Expected ',' before this. fit: BoxFit.cover), ^^^ lib/main.dart4111: Error: No named parameter with the name 'image'. image: DecorationImage(image: NetworkImage("https://images6.alphacoders.com/105/thumbbig-1059875.webp")) ^^^^^...

How do I use FlavorDimensions I am creating a dummy app for testing purposes. The Android app crashes everytime I use flavorDimensions. Please help flavorDimensions "tier" productFlavor { dev { dimension "tier" minSdkVersion rootProject.ext.minSdkVersion applicationId "com.awesomeproject.dev" targetSdkVersion rootProject.ext.targetSdkVersion resValue "string", "build_config_package", "com.awesomeproject"...

Kotlin: Most efficient way of comparing two list objects using - Webflux I have two lists each with 20,000 objects, the lists are two separate data types that I would like to compare. My two list objects types are shown below: List 1 type: data class FastUser( val fastUserId: String?, val fUserName: String?, ) List 2 type: data class SlowUser( val slowUserId: String?, val sUserName: String?, ) And finally my Result Type: data class Result( val slowUser: SlowUser, val fastUser: FastUser, val similarityScore: Int, // Can be between 0 - 1 only accepting >= 0.5 )...

Is their a better way to populate ignored column from another table using room I have two related tables item and purchase. The purchase class contains an ignored column itemName which I want to fill with itemName from item Although I have a method but I am concerned if there is a better way to achieve it because my way has to do with reading all items from the database then comparing purchase.itemOwnerID to item.itemID Here is my populating code along with others LaunchedEffect(key1 = true) { sharedViewModel.requestAllPurchases()...

how to set kotlin version for gradle runtime? Background Info: I am using jetpack compose for android developing and for some reason I CANNOT use gradle 7+. Currently I tried gradle 6.7.1 but it says ./gradlew -v ------------------------------------------------------------ Gradle 6.7.1 ------------------------------------------------------------ Build time: 2020-11-16 170924 UTC Revision: 2972ff02f3210d2ceed2f1ea880f026acfbab5c0 Kotlin: 1.3.72 Groovy: 2.5.12 Ant: Apache...

How to Implement Fade In / Fade Out Animation in Horizontal Pager Android Compose Iam designing a Horizontal Pager in Android Jetpack Compose using googles accompanist Pager (implementation "com.google.accompanistaccompanist pager0.24.2-alpha"). I Implement this Horizontal Pager Correctly. But I want to change the default Animation of pager from horizontal left/ right swipe to fadein/ fadeout animation. Iam new to compose and i didn't find any useful resources in the internet. If anyone knows this help me to find the correct solutions. Thanks in Advance. val pagerState =...

Deserialize JsonArray with kotlinx serialization I have the following Json object: { "List":[ "string1", "string2", "string3", "..." ] } This deserializes into a JsonArray containing JsonLiterals. When deserializing this and trying to iterate over it I get an error: java.lang.ClassCastException: kotlinx.serialization.json.JsonLiteral cannot be cast to java.lang.String What would be the standard way to achieve something like that?

Get ImageView by ID on different kt file to set image which is in CardView of different kt file So basically I'm making an activity in which in button click one alert dialog displays on screen and it contain recyclerview with cardview and one close button. now, by clicking on cardview I have successfully toast a message but now there is requirement to get the image of cardview and then set it into imageview of different xml file (that cardview is also in different kt file). In short the main problem is i can not find that imageview into that different kt file. So, I have tried few...