What is the right declaration for AlarmClock package visibility? I have a hard time finding the proper manifest query permission declaration when using AlarmClock intent, related with android 11 package visibility. val intent = Intent(AlarmClock.ACTION_SET_TIMER) intent.resolveActivity(requireContext().packageManager) //

App Has Stopped While I Add Nav Controller I have a problem while i run app, no coding error but the app has stopped while i run. Maybe like this. 2022-05-23 214921.065 29057-29057/org.d3if0063.garbageanywhere E/AndroidRuntime: FATAL EXCEPTION: main Process: org.d3if0063.garbageanywhere, PID: 29057 java.lang.RuntimeException: Unable to start activity ComponentInfo{org.d3if0063.garbageanywhere/org.d3if0063.garbageanywhere.MainActivity}: java.lang.IllegalStateException: Activity org.d3if0063.garbageanywhere.MainActivity@c36f0b5 does...

ListView Array Adapter error"None of the following functions can be called with the arguments supplied." I'm trying to create a fragment with a ListView with the id=lv and the ArrayAdapter doesn't seem to work this is the fragment code class Istoric : Fragment() { var array = arrayOf("item1","item2") override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) val adapter = ArrayAdapter(this,R.layout.listview_item,array) } override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState:...

How to get in WebFlux / WebFilter method handler annotation Is it optimal solution ? how we resolve it - get controller's method annotation (Kotlin) @Component class AuditWebFilter( private val requestMapping: RequestMappingHandlerMapping ): WebFilter { override fun filter(exchange: ServerWebExchange, chain: WebFilterChain): Mono { // if not to call - then exchange.attributes will be empty // so little early initialize exchange.attributes by calling next line...

Kotlin, android, get id from getvalue I have the following code: for (snapshot in snapshot.children){ var viagem = snapshot.getValue() Log.d("teste", viagem.toString()) // BuleiaId = viagem // Log.d("teste", BuleiaId.toString()) // Log.d("teste", BuleiaId.toString()) //your second query with BuleiaId } That retreives the following output on logcat {...

Android Studio: How do you make a method when pressing a button with Kotlin? I've tried making the below method for a button on Android Studio, and when I run, the app crashes. MainActivity : AppCompatActivity() { val button = findViewById(R.id.button) as Button var count = 0 val textView = findViewById(R.id.textView) as TextView override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) button.setOnClickListener{ buttonAction() } }...

Exposed callable statements Apparently we can you use Exposed for executing prepared statements like "update user set name = ? where id = ?" as stated in this answer. But executing stored procedures in database gets much more complicated as there's no registerOutParameter for exposed statement so I really have no clue how do I execute something like CALL SALES.TOTAL_REVENUE(?,?,?) with out parameters. More than that, exposed database connection is not...

Convert date into string I have a date variable that I want to convert into a good looking string (example: dd/MM/yyyy). As you can see in the code I have already tried multiple different approaches, but non of them seem to work. Hopefully someone can help me with this! :)

why PlayStore showing very Previous old Version as soon as I upload new Build? My current version of android app is 6.4.0 . but it shows 4.8.0 to general users as downloadable every time as soon as I upload new version to PlayStore before it gets accepted . I am getting this issue everytime, I googled about the issue but could not find any solution or reason for this problem. Have any one faced same problem, I am seeking sloution to this problem .Thank you

I cant refrence the adapter I have an adaptor that I initiate in onCreate and a listview that I initiate in onViewCreated I'm trying to setAdapter but I can't pass the adapter in onViewCreated. Ive tried multiple things like moving them from onCreate in onViewCreated but it seems that the app crashes if I initialize the adapter anywhere else and I cant use findViewById anywhere but in onViewCreated class Istoric : Fragment() { var array= arrayOf("item1","item2") override fun onCreate(savedInstanceState:...

In Android, how do I transform a FAB onto a view, when a user scrolls down the fragment? I want to have two buttons doing the same thing. One a FAB, and one a big plus sign that looks like a card. Is it possible to have the FAB "explode" into the PlusSignView, maybe with a MotionLayout?

Test throw case in RxJava 3 I'm trying to test case when my rx chain should throw an exception but facing problem with it. When I'm trying to call assertError(error) it says that no error found. Here's example: fun isAvailable(): Single { return mapper.getSymbol().map { symbol -> if (repository.isAvailable(symbol)) { symbol } else { throw Exception("Symbol is not available") } } } In test I mock repository to return false and after do something like: val error =...

Saving checkbox values to firestore? android studio in kotlin is it possible to save the values of checkboxes checked by users in firestore firebase? ive been searching for an answer and a block to atleast follow and test but fail to do so. any help is highly appreciated.

Getting the below errors related to the tensorflow lite while building kotlin app I am getting the following error as show in the screenshot,please help me to solve the error related to the tensorflow lite. [i was following this tutorial on youtube][1] Iam not getting why the error is occurring as the code in the tutorial runs well. thankyou Below is the code where I am getting the following error. package com.example.machineleaarningapp import android.app.Activity import android.content.ContentValues import android.content.Intent import...

com.example.myapplication.MainActivity cannot be cast Android Studio kotlin so I created a Login/Register Page and I get this error while trying to click Register Button.This method should send me to Register Page where I can register a new account. Here is my code and other screenshots: class LoginFragment : Fragment() { private lateinit var username: EditText private lateinit var password: EditText private lateinit var fAuth: FirebaseAuth override fun...

How to call the default X509KeyManager when creating a wrapper around a X509KeyManager I am trying to implement a wrapper around a X509KeyManager to execute other code inside the callbacks and then call the the default KeyManager after but this isn't working. Here's my simplified code: class MyKeyManager(): X509ExtendedKeyManager() { private val defaultKeyManager: X509ExtendedKeyManager init { val keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm()) keyManagerFactory.init(null, null) val keyManagers =...

GeoFire and Firebase Unit Testing in Android Studio with Mockito I want to write unit tests for this presenter class HomePresenter in Android Studio. However, I'm having trouble creating tests to cover both the geoQueryOnUserLocation method and the geoQueryOnSignLocation method due to using GeoFire and Firebase. I want to test this class using Mockito. Is there a good way to test this class? HomeView.kt: interface HomeView { fun onSuccess() fun onSuccess(message: String, tag: String) fun onFailure(message: String, tag: String) fun...

Get a single object from a Room query in a background thread and use it in the view. Android/Kotlin/MVVM In my current solution to this I use coroutines and return a MutableLiveData in the ViewModel that the view .kt class observes. DAO function: @Query( "SELECT workout_name FROM workout_table " + "WHERE id = :workoutId" ) suspend fun getWorkoutName(workoutId: Long): String Repository function: @WorkerThread suspend fun getWorkoutName(workoutId: Long): String { return database.workoutDao().getWorkoutName(workoutId) } ViewModel function: fun getWorkoutName(workoutId: Long):...

Reason: tried: '/usr/local/opt/boost/lib/libboost_system.dylib' (no such file) After cloning a new project on mac I am facing this error on my old project , and not in the new cloned project. FAILURE: Build failed with an exception. What went wrong: Execution failed for task 'appmergeEnv_prodDebugResources'. Failed to notify task execution listener. /private/var/folders/00/q0xg2fps11qgnyt3m35q017m02w3nw/T/libsignKey.dylib21955516978636706: dlopen(/private/var/folders/00/q0xg2fps11qgnyt3m35q017m02w3nw/T/libsignKey.dylib21955516978636706, 0x0001): Library not loaded:...

How can ı upload file or image using retrofit on kotlin? ı dont know how to upload file or image etc. using retrofit multipart. Can anyone help me ?strong text

Custom Converter for deserializing nested sealed class with datastore entities We have a main object model that has a collection of Events on it among other values. These events are a known set of types such as Created, Errored, Completed, etc... each with a handful of overridden fields but some specific fields for that event. To us it makes sense to have these as data classes under a Sealed Type. We're using GCP's Datastore and the com.google.cloud:spring-cloud-gcp-starter-data-datastore library for reading and writing. The error we're running into occurs on the...

Accessing the Room database from ViewModel I'm about to refactor my app to use a ViewModel. This is the database: @Database(entities = [TimeStamp::class], version = 1, exportSchema = false) abstract class RoomDB : RoomDatabase() { abstract fun timeStampDao(): TimeStampDao companion object { @Volatile private lateinit var db: RoomDB fun getInstance(context: Context): RoomDB { synchronized(this) { if (!::db.isInitialized) { db =...

Crop image by rectangle template I have a problem like this https://stackoverflow.com/questions/51513854/cropping-an-image-to-a-rectangle I know the size of the rectangle, but the captured image has a higher resolution than the camerax preview. How do I convert the dimensions of the preview rectangle into the high resolution image to make a correct crop?

Android Project BottomNavBar so I followed some tutorial on how to do a navigation bottom menu on android studio, and i only have this code for it to work . val bottomNavigationView = findViewById(R.id.bottomNavigationView) val navController = findNavController(R.id.fragmentContainerView2) bottomNavigationView.setupWithNavController(navController) and it gives me an error about the findNavController part

Can't show data from recyclerView into fragment because of id error - Kotlin and Firebase Android app I'm building simple "to do" app project for college in Kotlin. I want to show data from Firebase (realtime DB) to home fragment with recyclerView and adapter. I got one error and I don't know why I can't get Id from recyclerView to work this out. It's simply red in IDE. I'm crazy, can you help me out pls? I'm totally new in android development and this is my first project, whole code is 90% from internet (YouTube) tutorials, so be gentle with me :) task_card.xml (one card in recyclerView):...

Best way to design DAO layer for GraphQL service that writes to MongoDB I am creating a GraphQL where on the backend it is a Kotlin project that writes to MongoDB. I tried to keep my GraphQL schema and the MongoDB schema sort of similar. This is a snippet of what my GraphQL schema looks like; as we can see there are a lot of nesting being done here since Mongo is a Document DB: type Application { borrower: Borrower! … … } type Borrower { personalInfo: PersonalInfo! currentAddress: Residence! } type PersonalInfo { alternateNames:...

How does gradle run main in test module? I have a luncher for test only so it is defined in test moudle. I run it with IDEA run configuration and it throws the error that Cannot find the main class. I'm guess this test class is not compiled. // in test moudule object Launch { @JvmStatic fun main(args: Array) { println("launch") } } I also found that once I run other test case with @Test, it will compile Launch and make it work as I expected.

How can I add months Int to a choosen date on date picker in android Kotlin? I have a working date picker in my app that replaces an editText after a date selection. I want to add duration through a radio group button that prints an Int to provoke an end date. How can I do that? I've spent the last two days without getting the result I'm looking to get. Here is what I've got so far. val datePicker = findViewById(R.id.date_Picker) val today = Calendar.getInstance() datePicker.init( today.get(Calendar.YEAR),...

ActionBarDrawerToggle stops working on fragment change I have a HomeActivity which initiates the ActionBarDrawerToggle as follows: private fun initDrawer() { val toolbar = binding.fragmentHomeContainerView.findViewById(R.id.toolbar) setSupportActionBar(toolbar) drawerToggle = ActionBarDrawerToggle( this, binding.drawer, toolbar, R.string.open_drawer, R.string.close_drawer ) binding.drawer.addDrawerListener(drawerToggle)...

How can I update seekBar by seconds on Media Player?(kotlin) package com.example.ebookactivity import android.media.MediaPlayer import android.os.Bundle import android.os.Handler import androidx.fragment.app.Fragment import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import com.example.ebookactivity.databinding.FragmentDay1Binding import android.widget.SeekBar import android.os.SystemClock import android.widget.TextView import androidx.annotation.Dimension // TODO: Rename parameter arguments, choose names that...