How to create user from android and save it to firebase? I am using firebase and want to save user details in firebase and I am using createUserWithEmailAndPassword method but I am getting an error. I have a signup fragment inside button click I am calling this method. Below is the code, any help? class SignupFragment : Fragment() { private lateinit var mAuth: FirebaseAuth override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View? { val view: View =...

How to behave button like radio button in compose? Suppose i have four Button or Composable in row , i want to select one and deselect other, not like radio button but behave exaclty like that. @Composable fun ButtonSet(modifier: Modifier = Modifier) { Row( modifier = modifier .padding(start = 60.dp, end = 60.dp) .fillMaxWidth(), horizontalArrangement = Arrangement.SpaceEvenly, ) { val button1 = remember { mutableStateOf(false) } val button2 = remember { mutableStateOf(false) } val button3 = remember {...

Remote meditor notworking when return MediatorResult.Success I'm using paging 3 to load some data in recycler view. I fetch data from the server and then store them in my local database. so here is my DAO interface: @Dao interface BarberDAO { @Insert(onConflict = OnConflictStrategy.REPLACE) fun insertAll(movies: List) @Query("SELECT * FROM barbershop ORDER BY id ASC") fun selectAll(): PagingSource @Query("DELETE FROM barbershop") fun clearBarber() } I used a remote mediator like this @ExperimentalPagingApi class...

Is it possible with espresso to test an overlay in an application? I got the task to write an autotest to check the overlay in the developed application. The problem is that espresso doesn't see the overlay elements. In fact, they are on the screen, but I cannot check them. Does anyone know a workaround or solution to this issue? Thanks!

Android studio searchview : not showing search results First of all, I apologize for my poor English skills. I'm a beginner in android studio. I'm implementing an app with search function added to recyclerview using searchview. However, despite using getFilter(), the search results are not displayed in the recyclerview. I don't know what my mistake is. It would be of great help if you could let me know what I'm missing. My xml code My...

How to show/hide FloatingActionButton based on the fragment selected in Kotlin? I have an activity with a bottom BottomNavigationView, FloatingActionButton and four fragments. I wanted to show the FloatingActionButton only when I am on the 'fragment1' and 'fragment2 and hide it when 'fragment3' or 'fragment4' is selected. On launching the app, the 'fragment1' is shown with the FloatingActionButton and I managed to hide it when I navigate to 'fragment3'. But the issue is when I navigate back to 'fragment1' from 'fragment3' or 'fragment4' the FloatingActionButton is still...

Generate SQL migrations from exposed orm table I'd like to know how can I generate SQL script migrations from my tables created using Exposed ORM. This would be very helpful for me since I can use Flyway to apply the migrations at a later point. I'm using JDK 16 with Kotlin. So the main question here would be: Is there any tool that can help me creating this migration scripts?

Is it possible to get list of all signed account in Android? Looking solution for Android 7. I would like to get the list of all signed accounts that is available inside settings->Accounts I tried using AccountManager API here accountManager.getAccountsByType() But somehow in its list, there are accounts that have already been signed out. Is there any alternative to this?

Rcyclervier inside recyclerview, adapter result getting at one place I am making android application, where i am using recyclerview inside recyclerview, all working is fine but i am getting my second adapter result at one place

Trouble removing whitespaces from string array New to asking questions here and to Kotlin so, I'm making a simple command parser for a command line app. I handle input but splitting the string at whitespaces but it could possibly result in "empty array indexes". This is the code I currently have for trying to remove it but, the console will never print "Found Whitespace", so I'm not quite sure how to go about this. var input = readLine()?.trim()?.split(" ") input = input?.toMutableList() println(input) if (input...

User doesn't registers I am trying to build an app using kotlin. The user doesn't registers in the firebase. I am new to kotlin. I can't figure out the problem. Here is the code. In the code, all the toast functions work. It shows the toast when those entering fields are empty. But it does not registers the user. Don't know why. Where is the problem?Please help. import android.content.Intent import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.widget.Button import...

how to avoid running android Job in parallel? So I have an Android Job which handle network request. This job can started in many ways, so it can run easily parralel, which is bad for me. I would like to achive that, the job don't started twice, or if it started, than wait before the try catch block, until the first finishes. So how can I to reach that, just only one object be/run at the same time. I tried add TAG and setUpdateCurrent false, but it didn't do anything, so when I started twice the job, it rung parallel. After that I tried...

Android, pick element from gallery and copy locally For my Android native application, I need to pick an image from the gallery and save it local app folder. I run the intent to open the image picker and select the image without any problem. After this the callback of registerForActivityResult is called and I get the path of the image. Now I use this code to recreate the bmp and save it locally: val stream = contentResolver.openInputStream(result.data!!.data!!) val bm = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) { val bmpSource =...

Moshi fail to deserialize 0, 1 to "Boolean?" We try to deserialize JSON field from 0, 1, null to "Boolean?" And we have this customize Annotation: @Retention(AnnotationRetention.RUNTIME) @JsonQualifier annotation class BooleanType class BooleanAdapter { @FromJson @BooleanType fun fromJson(value: Int): Boolean { return value == 1 } @ToJson fun toJson(@BooleanType value: Boolean): Int { return if (value) 1 else 0 } } Everything works fine if the field is 0 or 1. But when it comes to "null",...

EditText remains inactive for sometime when inside HorizontalPager I have a HorizontalPager in my screen with 2 pages. Both contain one EditText. When I navigate from first page to second, the EditText in second page doesn't display any text (not even the hint) for sometime. Only when I type some characters and stop, the text appears and after that it works properly. My code: val pagerState = rememberPagerState(initialPage = 0) HorizontalPager(count = 2, state...

Kotlin get `this` in an interface implementation lambda by object I'm new of using kotlin, I want to get this which is the fragment in below code. interface OnClickListener { fun onItemClick() } I want to use this the fragment itself in the onItemClick() below which is in fragment.kt: val listener = object: OnClickListener { override fun onItemClick() { this // this here is a lambda, {}, how to get

Fragment

? } } how to get the fragment? thanks.

Change default preferences to already downloaded apps I am trying to change the default preferences in my app and force them into existing users when the patch is available for update on Play store. I dont want users to have to reinstall the app. How can I do that?

Kotlin - group by list of Maps I have a fieldList variable. val fieldList: List // fieldList Data : [ { "field_id" : "1", "section_id" : "1", "section_name" : "section1", "field_name" : "something_1" }, { "field_id" : "2", "section_id" : "1", "section_name" : "section1", "field_name" : "something_2" }, { "field_id" : "3", "section_id" : "2", "section_name" : "section2", "field_name" : "something_3" }, { "field_id" : "4", "section_id" : "3", "section_name" : "section3", "field_name" :...

Recyclerview items appear only on Scroll else invisible I am displaying tasks from Room Database in a recyclerview on a given date. The calendar is a Horizontal Scrolling one. When I click on the exact date - the tasks for the date appear in the reecyclerview. When I click an arrow and move right or left and get to a date with tasks - the tasks for that day appear for a second and then dissappear but continue to occupy space. If I scroll up or down the tasks appear. I cant seem to understand why the same function is displaying tasks in the...

How i can keep app working in back even if killed with kotlin i create app that recive and recive sms and i want to keep working in background it just recive and read sms to sending to server and i need to keep working in background even if it killed and i want it to launch automatically when the phone is turned on manifest ExampleService Class ExampleService : Service() { @RequiresApi(Build.VERSION_CODES.O) override fun onCreate() {...

How to write Espresso view/data matchers in Appium Java Client? I am using Appium to test Android application and today I was instructed to switch from UIAutomator2 to Espresso automator. I realized that it will not be so simple as just changing automator name. As far as my searching go, Appium with Espresso automator have very little (almost none) documentation for writing selectors (view/data matchers) in Java/Kotlin. I am trying to find out how to for example rewrite my current method for search by text. It looks like this: (driver as...

Android accessibility: how to change the search bar readed string as I wrote in the title, the Android Talkback actually reads the hint text of my search bars, but I need to change that behavior to read a custom string (different from the hint). I tried to set the contentDescription but it didn't work (the talkback still reads the hint text). Do you have any advice?

Quarkus: connect to cloudsql db (gcp) with native image I've set up a prod configuration for my datasource to connect to a gcp mysql instance, basically following this tutorial: https://quarkus.io/guides/deploying-to-google-cloud#using-cloud-sql Configuration is: %prod.quarkus.datasource.db-kind=other %prod.quarkus.datasource.jdbc.url=jdbcmysql///dbname %prod.quarkus.datasource.jdbc.driver=com.mysql.cj.jdbc.Driver...

How can you convert a kotlin flow to a mutable flow? I am trying to keep a mutable state flow in my class, but when I apply any methods to it, it will be converted to an immutable Flow: class MyClass : Listener { private val source = Source() val flow: Flow get() = _flow // region listener override fun onUpdate(value: String?) { if (value!= null) { // emit object changes to the flow // not possible, because the builder operators on the flow below convert it to...

How to add a default static item at the top in a RecyclerView in Kotlin? I wanted to have an item always appear at the top in the RecyclerView. I am fetching data from the Firestore and displaying them in a RecyclerView. What I want is an item to appear at the top of the list and then show the items which are fetched from the Firestore. How can I do this? Following is my adapter. open class CategoryListAdapter(private val context: Context, private var list: ArrayList) : RecyclerView.Adapter() { private var onClickListener: OnClickListener? = null...

FusedLocationApi.requestLocationUpdates failed I have a form that I open in a webview in my app, after I complete it, it will appear a button that will let me download a pdf andd open it but when I do this I keep getting the next error: OneSignal: FusedLocationApi.requestLocationUpdates failed! java.lang.NullPointerException: Calling thread must be a prepared Looper thread. at com.google.android.gms.common.internal.Preconditions.checkNotNull(com.google.android.gms:play-services-basement@@17.6.0:2) at...

How to force recomposition of an Image composable without recreating the bitmap set as argument? It is clear that in Android Compose if the state of variable/input of a composable changes, the composable gets recomposed. Using: val object = remember{ mutableStateOf(Object) } is possible to preserve(remember) the instance of the object on each recomposition unless the mutable state gets reassigned to a different object wich will actually trigger the recomposition of the composables that use that object as argument. Now let's assume: val bitmap = remember { ImageBitmap() } val canvas =...

Error occur periodically when write to mount network disk I tried open resource for writing by example path: /mnt/storage/disk-1 Sometimes it's ok. But often this operation finish with error. Like that: FileNotSuchException. How can I fix it? Thank.

java.lang.NullPointerException: decodeResource(context.r…rces, R.drawable.ic_logo) must not be null I am trying to get album art uri from music (if null/empty, display my own in app drawable) but I get: java.lang.NullPointerException: decodeResource(context.r…rces, R.drawable.ic_logo) must not be null Utility.kt fun getAlbumArtBitmap(context: Context, albumId: Long): Bitmap { try { return when { Build.VERSION.SDK_INT >= Build.VERSION_CODES.P -> { val source = ImageDecoder.createSource( context.contentResolver,...

Every-time receiving ACTION_DOWN even though I tried to move image up side I have a custom BottomSheetDialogFragment which contains drag icon to move sheet up/down. But I am facing weired issue with touch listener. Everytime it receives ACTION_DOWN event even though I simply click on it or try to push it up. Below is the code binding.dragDownImage.setOnTouchListener { view, motionEvent -> when(motionEvent.action) { MotionEvent.ACTION_DOWN -> { //if (motionEvent.y < 12) dismiss()...