SCROLL_TO_POSITION in performAction() returning false AccessibilityService Android Hi I want to scroll to particular position 'y in layout using AccessibilityService. I tried several ways but only AccessibilityNodeInfo.ACTION_SCROLL_FORWARD is working but AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_TO_POSITION is not working. I am using it like this please have a look at my code and suggest me what can i change to make it work. private AccessibilityNodeInfo findScroll(AccessibilityNodeInfo root) { if(root == null) return null;...

Cannot add element to Map - Unsupported Operation Exception I am having trouble inserting element to this mutable Map and i cannot figure out why? I can see it returns Map so it should not an issue to put element in. Can you help me with that? myClient.authentications.put("basicAuthentication", httpBasicAuth) Authentications look like this: public Map getAuthentications() { return authentications; } private Map authentications; Is there something that i am missing here? Edit 1: Adding some more code for clearance HttpBasicAuth is...

Capturing download duration and download speed during a Retrofit api call in Kotlin retrofit.downloadFile(url) What will be the most efficient way to find the download duration after the download and download speed during the download?

How to replace fragment inside another fragment in Kotlin? So, I use the latest version of androidstudio and kotlin. I created a bottom navigation activity project, and I use the activity with the drefault generated code. I would like to open/replace a fragment from another fragment by button. But the previous fragment doesn't disappear, when the new fragment is appear, so both are visible. I read a lot, but I don't know the solution, please help me with some advice. This is my MainActivity super.onCreate(savedInstanceState)...

Does okhttp authenticator handle 403 error? I'm using Okhttp Authenticator for updating my JWT tokens. But there is a problem, that the authenticate() method is called, when I'm getting 401 from backend. But when I'm getting 403 - token expired, the authenticate() method doesn't get called. Is there any good topic about how the authenticator() method works or can we call it manually? And also the main question - does it handle 403 response?

Return binding object from onCreateViewHolder I've view holde that looks like this: inner class MyViewHolder(private val binding: LayoutListItemBinding) : RecyclerView.ViewHolder(binding.root) { fun bindHeader(item: RecyclerViewContainer) { binding.props = item.property binding.executePendingBindings() } fun bindItem(item: RecyclerViewContainer) { binding.props = item.property binding.executePendingBindings() } } And this is my current code from onCreateViewHolder : override fun...

Android App & PC connected to same wifi. Share App data(folder contains images) over Url like 198:162:1.1.0 Suggest some reference. I Should not use hotspot instead every devices should be connected to a same wifi network.

move, scale and rotate views in Android Studio Good evening! I am learning Android development and there is a question that I still can not find an answer for, I would like to find a modern solution for adding the ability to resize, drag and rotate an object on the screen by touching. And how to add icons for rotating, scaling at the corners of the view, that I am editing? Thanks for all answers!

Period of weeks to string with weeks instead of days only var period = Period.ofWeeks(2) println("period of two weeks: $period") gives period of two weeks: P14D Unfortunately for my purpose I need P2W as output, so directly the weeks instead of weeks converted to days. Is there any elegant way to do this, besides building my Period string manually?

Shared Preferences saves null value and returns true I have read all other questions related to Shared Preferences returning null but in my case Shared Preferences is setting the old value to null and commit() is even returning true. This is happening only when I start another activity when commit returns true. val sharedPref = getSharedPreferences(Constants.TOKEN_PREF, Constants.PRIVATE_MODE) val p = sharedPref.edit() p.putString(Constants.TOKEN_PREF, result.token)...

Unable to get navigation Version I wanted to add a dependency to gradle project file, each time I try to synchronize it I get this error:

Could not get unknown property *navigationVersion* for object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.

Here is the dependency below: classpath "android.arch.navigationnavigation safe args gradle plugin$navigationVersion"

I developed an app which uses webscraping without permission. Can I put it on playstore? Is it legal? I just have created an app that uses webscraping can I make money from it uploading it on the google playstore?

Benefits of calling the G Suite APIs from server-side instead of SDK I need to use the Calendar API. Reading this guide, I noticed this line: Note: It is highly recommended to call G Suite APIs from a server environment rather than a mobile environment. Does anyone have any idea, what are the benefits of calling the G Suite APIs from server-side instead of mobile environment

Does the kotlin REPL have code completion? I just opened kotlinc (which apparently defaults to kotlin-jvm ?) and dropped in some hello-world type code: data class Person(val name: String, val age: Int) { val isAdult get() = age >= 20 } Let's create an instance : val p = Person("ab", 10) Hopefully the repl will offer us the properties via tab key .. ? p. The repl beeps on each tab instead of offering the properties of that Person instance. "Just in case" I :quit and opened kotlinc-jvm explicitly - and got the same...

Failed to send crash report with acra I am using ACRA for crash reporting in android. My server script work well and successfully save log. But ACRA can't send log and show following error in logcat: 04-06 102806.936 6170-6391/com.example.app:acra D/ACRA: About to start sending reports from SenderService 04-06 102806.939 6170-6391/com.example.app:acra D/ACRA: Autodiscovered ReportSenderFactory of type HttpSenderFactory 04-06 102806.939 6170-6391/com.example.app:acra D/ACRA: Mark all pending reports as approved. 04-06...

Sort nested list objects I'm new to Kotlin and I have the following task. I have a list of objects (Album) which contains fields and a list with another object (Song). I need to sort both album and song lists with their properties. What I tried so far albumList.onEach { it.songs.sortedByDescending { song -> song.isFavorite} .sortedByDescending { it.createDate } As a result, the album list is sorted by it's createDate property but songs list doesn't. Is there something I'm missing? Thanks

Distribute and run a jar file with only our own custom Kotlin Classes I am using gradle build that generates an all-encompassing ueber-jar --SNAPSHOT.jar with over 3700 classes in it. Of these maybe thirty are project-specific custom classes. While it would not be difficult to manually extract just the custom classes this leaves several desirable features: a gradle build task to create the application-only jar? a gradle build task to separately build the boilerplate jar a gradle run task that would include both of those jars in its classpath as part of...

Error on database update, crash in production this is the log: java.lang.RuntimeException: at android.app.ActivityThread.performResumeActivity (ActivityThread.java:4410) at android.app.ActivityThread.handleResumeActivity (ActivityThread.java:4442) at android.app.servertransaction.ResumeActivityItem.execute (ResumeActivityItem.java:52) at android.app.servertransaction.TransactionExecutor.executeLifecycleState (TransactionExecutor.java:176) at android.app.servertransaction.TransactionExecutor.execute...

How to change background tint of ViewGroup in code? I want to change background tint of ViewGroup in my RecyclerView ViewHolder, but it keeps throwing NullPointerException. This custom made function is working for both ImageView and other Views, but it is not working for ViewGroup for some reason. private inner class TimeViewHolder(val root: ViewGroup): RecyclerView.ViewHolder(root){ val minutesTv = root.findText(R.id.minutes) val hoursTv = root.findText(R.id.hours) fun bind(m: Order.Timeline, onClick: ()->Unit) {...

How to fix 2 type arguments expected for class<T,T> I wrote an adapter that accept ArrayList class NumAdapter(val list: ArrayList) : RecyclerView.Adapter() {} I pass this list through myAdapter = NumAdapter(list), and the list contain val list = ArrayList() My property class: data class Property( val name: String, val age: Int, val num: Int, val sisterAge: Int ) When I trying to accept ArrayList in my adapter, I get this error: 2 type arguments expected for Property How can I fix this problem?

How to change API BEGIN_ARRAY to BEGIN_OBJECT in Kotlin? This is my service: class NewsAPIService { private val BASE_URL = "http://newsapi.org/v2/" private val api = Retrofit.Builder().baseUrl(BASE_URL) .addConverterFactory(GsonConverterFactory.create()) .addCallAdapterFactory(RxJava2CallAdapterFactory.create()) .build() .create(NewsAPI::class.java) fun getData():Single{ return api.getNews() }} This is my interface: interface NewsAPI { @GET("top-headlines?category=sports&apiKey=42862811f4c94e82988aaa326dad8f4c") fun...

Is there any SDK available for video share on ShareChat from iOS and Android application Is there any SDK available for video share on ShareChat from iOS and Android application. Should be able to post video on sharechat. track posted video.

Generic Static Constant It's hard to explain but I basically want to be able to have an interface which my subclasses need to implement, which mandates a static constant. How would I achieve this in Kotlin? I have the following class/interface: interface BaseFragmentInterface { val TAG: String } class BaseFragment: Fragment() { /* this, of course, doesn't compile right now: */ companion object: BaseFragmentInterface {} func push(fragment: T) { /* Here I want to access TAG */ Log.d(T.TAG, "Push...

Kotlin, cant match regex patters Been trying for hours to get this simple validation to work. It seems whatever i try to check, results are inconsistent.. fun validatePassword(password: Password): Boolean { val noUpper = "(?=.*[A-Z])".toRegex() val noLower = "(?=.*[a-z])".toRegex() val noDigit = "(?=.*\\d)".toRegex() when { !password.newPassword.matches(noUpper) -> { throw WebApplicationException("Password missing uppercase letter") }...

How to get the DNS resolution time without using the class InetAddress or avoiding the 10 min cached time? I've been trying to get the DNS resolution time using the next code: val url = URL(dataExperienceTestResult.pingUrl) val host: String = url.host val currentTime: Long = SystemClock.elapsedRealtime() val address: InetAddress = InetAddress.getByName(host) val dnsTime: Long = SystemClock.elapsedRealtime() - currentTime Which works as expected providing me with a reasonable resolution time (100ms using Data), however, this is just the case of the first try because the next resolution times...

Set UI elements after read firebase kotlin I am trying to read a document from a database in firebase and show the info at the UI. Any idea why is it not working? Viewmodel: var leid = MediatorLiveData() init { initializeDocument() } fun initializeDocument(){ mFirestore?.collection("expenditures")?.document("ASfavaftaseacdadf")?.get()?.addOnSuccessListener { document -> if (document != null) { Log.d("TAG", "DocumentSnapshot data: ${document.data}")...

Read/Write file in kotlin native - IOS side I want to create file and write in with Kotlin/Native on the IOS side. I have this code: In commonMain : expect class ReadWriteFile In androidMain : actual class ReadWriteFile { fun read(path : String, filename: String) : Boolean { val file = File("$path/$filename") return if(file.exists()) { file.forEachLine { // do something } true } else { false } } fun save(path : String,...

Why Elastic Search Rest Highlevel Client prevents JVM process to exit? Problem When I start a Kotlin application, create and elastic client and then let the main thread run to end, the process won't exit. import org.elasticsearch.client.create fun main() { val elasticClient = create("host", 8080) // the main thread ends here but JVM process won't exit } This is probably because the Elastic client creates a thread pool which prevent the process from exiting. This can be confirmed by fun main() { val elasticClient = create("host", 8080)...

How can I exclude class in Android projects with Kotlin When I create an Android Project with Java only, these code below works well: sourceSets { main { kotlin { exclude '**/ExcludeClass.java' } } } But when I import Kotlin support for Android, it is complete failure. This class wasn't removed by gradle. Can anyone tell me how to exclude class in an Android project with Kotlin?

How to mock a class that has many constructor parameters in mockito? Let say I have this class A: class A(a: Int, b: String, c: Long, d: Double, ...) Now if I want to test a method that returns a list of objects A: fun test_getListOfObjectsA(){ val expected = listOf(A(), A(), A()) whenever(someClass.getListOfObjectsA()).thenReturn(listOf(A(), A(), A())) val actual = someClass.getListOfObjectsA() assertEquals(expected, actual) } Here is the problem, this code won't compile because each instance of A() requires a list of argument to be...