Getting null value in response I am trying to get the response from https://www.reddit.com/r/popular/.rss and map to Kotlin POJO class in Android. But when I am logging that category's label value, getting null. For the title I am getting response value as popular links. Here is entity class FeedX:- @Root(name = "feed", strict = false) class FeedX { @set: Element(name = "category") @get: Element(name = "category") var category:...

Use microphone in webrtc & media recorder simultaneously in Android? I am using webrtc for video calling in android. I am simultaneously screen recording after call is connected in sender end. I am getting this error log in sender end. Receiver end voice is not hearing when screen recording is started using MediaRecorder. I think webrtc is not streaming audio to receiver end when media recorder is started using microphone. Error AudioRecord: start() status -38 2020-06-25 133718.948 3276-5257/com.obs.booking E/WebRtcAudioRecord: WebRtcAudioRecord: Start...

Android Unit Testing dependencies not found I am trying to write the following unit test for a function in my project import android.content.Context import org.junit.Test import androidx.test.core.app.ApplicationProvider import com.adi_random.tracky.api.searchBook import com.adi_random.tracky.models.GoodreadsBook import com.google.gson.Gson import okhttp3.Call import okhttp3.Callback import okhttp3.Response import java.io.IOException import com.google.common.truth.Truth.assertThat /** * Created by meadi on 6/27/2020. */ class...

android - How to set up programmatically a SearchView toolbar with Kotlin and AndroidX I would like to implement into my Android App, a floating toolbar like Google's one. I have made a prototype in Figma, that is almost exactly the same. I tried to implement different libraries from GitHub, such as Floating Search View by arimorty, however...

Confused about the following line @field:[Expose SerializedName("id")] I have the following data class that will retrieve data from an API: data class Users( @field:[Expose SerializedName("id")] val id: Int) I am just wondering what the @field: means. Normally, I have always done like this: data class Users( @Expose @SerializedName("id") val id: Int) I understand the meaning of expose and serializedName. Just a few questions: My best guess would be for the @field:[] would be to take an array of annotations, instead of...

how to remain notification icon removing head-up noti? I use head-up notification. If I don't use the setTimeoutAfter() method, this head-up notification remains permanently. So I used this method. But the problem is that method also remove the notification icon. I want to remain only notification icon removing head-up notification after 3s. How to solve this? I tried using notificationManager.cancel(id), but this result is same to using setTimeoutAfter(). override fun onMessageReceived(remoteMessage: RemoteMessage) { val bitmap =...

Kotlin JUnit 5 thread blocks in Test I am attempting to write a test where I start a thread and have it run in the background while the rest of the test continues. @Test fun myTest() { println("here") val thread = thread(true) { sleep(2000) println("here 2") } sleep(1000) println("here 3") } The output of this is: here // wait for 2 seconds here 2 // wait for 1 second here 3 So it seems like the thread blocks and isn't running in the background. My rough understanding is that this suggests that JUnit is...

How to parse realtime databae? This is the structure of my database I want all the product under ProductInfo For this i want a kotlin model class

How to split text from json in kotlin? Data json: { "steps": [ "This is normal text.", "This is a list item." ] } This gives me an output of: This is normal text. This is a list item. Instead of my desired output of: This is normal text., This is a list item.

How to mock a method which is creating new objects using mockito? as seen below, the method updatedetails() of the class is the method to be tested. it is creating objects "storage()" and i am not able to mock that. class temp { fun updateDetails() { //do some work storage().set(storedata) } } even if i try to mock storage() using mockito, it says storage()'s property context have not been initialized.

how to get data from server (xampp) in android when app is closed or not working in foreground? Working on an android project which get data from xampp server and generates notification on specific events. But i need to fetch data in background even when app is closed by the user. I am using Kotlin for programming.

Checking response from API in android studio using kotlin I am working with android studio in that currently i wrote code in kotlin for checking the response received from the API but its showing error.please help me with this.

How to click button from fragment to fragment I want to know How to Click Button from Fragment to Fragment HomeFragment.kt class HomeFragment : Fragment() { override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View? { val root = inflater.inflate(R.layout.fragment_home, container, false) btnClick.setOnClickListener { } return root } } DashboardFragment.kt class DashboardFragment :...

Calendar is returning wrong results on android lollipop i am using java.utils to return start of week date , fun Date.startOfTheWeek(): Date = getCalenderWithStep().apply { set(Calendar.DAY_OF_WEEK, Calendar.MONDAY) set(Calendar.HOUR_OF_DAY, 0) set(Calendar.MINUTE, 0) set(Calendar.SECOND, 0) }.run { this.time } this is working fine for android devices > lollipop but gives not precise results for android lollipop . what could be the issue ?

App crashes, Unable to start activity ComponentInfo Database reference kept crashing my activity that Unable to start activity ComponentInfo... here the complete code of my main activity The app crashes the moment the activity begins and i can't find any error... the log cat shows the problem is from where i call valuEventlistener for thee database reference class MainActivity : AppCompatActivity() { private lateinit var chatFragment : ChatFragment private lateinit var friendsFragment: FriendsFragment private lateinit var requestFragment:...

Cannot make a generic item in Kotlin I want to make the following line of code generic: val newItem: Item = documentChange.document.toObject(Item::class.java) Works fine. However, when I try to make it generic: val newItem: T = documentChange.document.toObject(T::class.java) Android Studio is complaining: Cannot use 'T' as reified type parameter. Use a class instead. How can I make it generic?

Send keyboard-commands to PC from Android via USB or network (without modifying the Kernel) I'm looking for a way to send various keyboard-commands from my Android-Tablet to my Windows 10 system. I already did some research here, but I am looking for a possibility to achieve this without modifying the Kernel. This should work either via USB or via network. Is there a way to write this in an Kotlin-based app?

Can't set image URI because Permission Denial: opening provider Good afternon, I crate an app with Room database to save items (name, desc, price, image). I have 3 activities. The 1st activity for create, the 2nd MainActivity with RecyclerView and the last activity (ChangeActivity) open when I click on item in MainActivity. When I create an item I pick image and save uri in database. I want to set image in ImageView in ChangeActivity but get Unable to start activity ComponentInfo {hop.test.aah/hop.test.aah.ChangeActivity}: java.lang.SecurityException:...

RxJava: how to flush a fixed-size buffer I'm using PublishProcessor logStream to implement the logging logic in the Rx manner. Produce: logStream.onNext(Log) Consume: logStream .subscribeOn(Subscribers.io()) .buffer(1000, TimeUnit.MILLISECONDS, 300) .subscribe(dumpLogs, errorHandler) The log messages will be cached in the RxJava buffer with the fixed duration (1s) and maximum size (300) specified. Now I'd like to add a new logic: dump the logs immediately when needed. I've searched it with Google and StackOverflow for...

How to retrieve nested data structure from Firebase Realtime Database on Kotlin I'm trying to retrieve submittedRequests from database . userRef.addValueEventListener(object : ValueEventListener { override fun onCancelled(p0: DatabaseError) { } override fun onDataChange(snapshot: DataSnapshot) { if(snapshot!!.exists()){ val children=snapshot!!.children for(item in children) { val...

Dart Isolates and Kotlin Coroutines are similar concepts? If yes, which one delivers better performance? [closed] I was stuck in between Kotlin and Dart for application development. I see Kotlin has upper hand because it gets first-class support from Google. At the same time Flutter is also actively developed in open and getting lot of attention. As a front-end web developer my heart says to go with Flutter. At the same time my brain says to go with Kotlin. So, I started digging into internal concepts. In my observation Kotlin is compact over Dart but, i have to remember lot of keywords. And coming to...

android kotlin multiplatform kotlinx.serialization works on debug but does not work on release version We are making our next project in the company with kotlin multiplatform. Everything worked fine until I tried to create a release version for android to beta test. I got this error in release versions while everything works fine in debug. [NetworkManager] unknown exception: l.a.w: Can't locate argument-less serializer for class a. For generic classes, such as lists, please provide serializer explicitly. here this is project level build.gradle buildscript { ext.kotlin_version = '1.3.70'...

how to set textColor for SearchView in android kotlin [duplicate] I would to set textColor for SearchView in android kotlin But I haven't found anything to do with this on the internet Please help me solve this problem

Android navArgs clear on back Is there a way to clear navArgs after using them? I have fragment A that opens fragment B with navArgs, then I navigate to fragment C and the user presses back, so fragment B is opened with the same navArgs and I don't want that. Is there a way to navigate back to fragment B without the navArgs? Thanks.

is there anyone who worked on dagger hilt with MVP? [closed] I want to convert my project from dagger android to dagger hilt. Need steps for converting with MVP. i have tried to convert with the modules but facing lot of issues and unable to resolve them

Dart Isolates and Kotlin Coroutines are similar concepts? Dart Isolates and Kotlin Coroutines are similar concepts? If yes, which one has upper hand. Kotlin or Dart?

How to Center RecyclerView with GridLayout (spanCount = 2) So i'm experimenting with recyclerViews. This is my activity_main... xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" xmlns:app="http://schemas.android.com/apk/res-auto" tools:context=".MainActivity"> This is my MainActivity... class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) {...

Shared Element Transition BACK not working I'm trying to set up a shared element between two fragments but ONLY the forward transition work. If I navigate back it doesn't. The fragment hirarchy is the following: ParentFragment MasterFragment1 MasterFragment2 DetailFragment Both MasterFragment1 and 2 contain a recyclerview with items and by clicking on each I can open the DetailFragment. The shared element is an ImageView and I've already set the transitionName tag to an unique ID. In the MasterFragment1/2 within onViewCreated method...

How to take a screenshot programmatically using Kotlin on Android I've searched for how to take a screenshot programmatically on android but the answers I find are in java (which i don't understand). Please give a solution in Kotlin.

Duplicate Class found while adding Google Photos API Dependency Throwing Duplicate Class found error after adding the google photos library api dependency 'com.google.photos.librarygoogle photos library client1.5.0' . Tried almost every solution present in SO, but nothing works. My Gradle (Module) File (Dependencies) dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation 'androidx.constraintlayoutconstraintlayout1.1.3' implementation 'androidx.legacylegacy support v41.0.0'...