Kotlin:How to remove actionbar whilt using setupActionBarWithNavController I need to remove the actionbar for the whole app . And I 'd tried However , I found eventhough the actionbar is hiden,the view place still occupied as the picture below : What was going on ?

We are unable to change your subscription plan. Manage subscriptions in android application Im using in-app subscription in my application. there are 3 subscription available in application i.e, monthly, 6 month and yearly. If user subscribed with monthly I'm showing upgrade subscription on some point. If user try to upgrade its upgrading but after it show pop-up (We are unable to change your subscription plan. Manage subscriptions).But I'm able to get new token and subscription info from the interface(onPurchasesUpdated). Here is the code below using for upgrade....

Finishing all other activities while keeping MainActivity running First, I've seen all other questions and answers regarding something similar to this but what I need is a bit different. I need to be able to close all running activities in the background (They are running a thread and when I go back to MainActivity they are still running) So what I want is when I return to MainActivity I need OnResume to clear or at least finish all the other activities running without running a new activity or closing the MainActivity. Is this possible?

FOREIGN KEY constraint failed (code 787 SQLITE_CONSTRAINT_FOREIGNKEY) when add data to table room I have to tables CheckListModel and CheckListPoints, it is one to n relationship, when i try to add data in DB CheckListModel adds correctly, but when code gose to add CheckListPoints i got this error. I have no idea why this happening This is my DB @Database(entities = [CheckListModel:class,CheckListPoints:class],version = 4,exportSchema = false) abstract class CheckListDB : RoomDatabase() { abstract fun checkListDBDao():CheckListModelDBDao companion object { @Volatile...

Error 429 when requesting data from a site In my program, I am sending requests for data (JSON) to the site multiple times. Due to the fact that the requests are asynchronous, I am facing error 429 (Many requests). An example of my request code: private fun getJsonElementByUrl( url: String ): JsonElement { val

in

= BufferedReader(InputStreamReader(URL(url).openStream())) var inputLine: String? val sb = StringBuilder() while (

in

.readLine() .also { inputLine = it } != null...

Poor frequency of impressions Interstitial ads In my application, after Splash, Interstitial ads are shown, I do the following on SplashActivity, I load it and after switching to MainActivity I show it, I do everything like this: SplashActivity class ActivitySplash : AppCompatActivity(), Ads.AdsCallback { private val DELAY = 8000L private var isAdsOpen = false private lateinit var sBinding: ActivitySplashBinding private val liveData = MutableLiveData() override fun adsLoaded() { super.adsLoaded()...

Can't update MutableStateFlow with model I'm trying to update a parameter of my Model. I have a MutableStateFlow with a list with some of my model created. data class MyModel( val id: Int, val category: String, var completed: Boolean ) val listOfModel = listOf( MyModel( id = 0, category = "shopping", completed = true ), MyModel( id = 1, category = "web", completed = false ) ) var _modelStateFlow = MutableStateFlow(listOfModel) var modelStateFlow =...

How to create a countdown with flow coroutines I'm trying to create a flow with coroutines but it's not giving to me the expected result. What I'd like to have is giving an expiration time (doesn't matter if it's in millis, seconds, etc..) when the time arrives to 0 it stops the countdown. What I have now is : private fun tickerFlow(start: Long, end: Long = 0L) = flow { var count = start while (count >= end) { emit(Unit) count-- delay(1_000L) } } And then I call this...

Ellipsize not behaving like it's supposed to android studio xml I have a text,and i want the end to be dotted when it doesn't fit in the text view anymore,like this "The text is leaving the scre..." This is my xml,and it doesn't work [![ The text is simply getting out of the text view(The big text,the movie description,because at the cast te ellipsize is working)

how to set app open ad backgroung color in android? My code is here! appOpenAd.show(currentActivity);appOpenAd.setFullScreenContentCallback(fullScreenContentCallback); currentActivity.getWindow().getDecorView().setBackgroundColor(Color.BLACK); appOpenAd.show(currentActivity); The link below in which app open ad have black color when ad is showing. <a href="https://play.google.com/store/apps/details?id=com.freescanner.qrcodereader.barcodescanner.barcodereader.socialmobileapps" rel="nofollow...

Kotlin Koans Comparison Exercise. Why does this solution not work? Just setting off on trying to learn some Kotlin I've read the official solution and understand it but this is what I came up with on my own first. Question: Learn about operator overloading and how the different conventions for operations like ==,

Crash ExoPlayer.Builder in android version 5 and 6 (android api 21 and 23) When I upgrade exoplayer to version 2.16.0, it crashes when I run the line below the code: exoPlayer = ExoPlayer.Builder(this).build() I tested on higher Androids version like 10 and 11 (android api 29 and 30) and there is no problem, but in Android version 5 and 6 it crashes (android api 21 and 23) Previously, in version 2.11.8, which I used, it ran without any problems in all versions of Android, but since I updated it to version 2.16.0, I have seen this problem in Android version 5 and 6....

Good software engineer [closed] I learnt some basics in C, then moved to C++ as I loved the name C++ and its syntax LOL.done some well basics and exercises and then moved to Data structure and Algorithm part using C++.I learnt stack queue linked list, searching algo, quicksort.I found C++ being harder as I am going deep in ds & algo using C++. Wanted to move Java as I can do both competitive programming and app development (I have an idea of creating a TEXT APP) much easily than C++. Kotlin is an improvement of Java. Just...

Create csv file with Hashmap in Kotlin I am fairly new to kotlin, and have wanted to change the way to save my CSV file. Currently my Hashmap is : private var Sdata:MutableMap = mutableMapOf() and my data looks like this : {a1 = [123:4, 123:4, ....], b2 = [123:4, 123:4,....]} and my csv saving function: binding.btnSave.setOnClickListener() { Sdata = viewModel.savehash Log.d(TAG, "CSV VIEW: ${Sdata.keys}") Log.d(TAG, "CSV VIEW: ${Sdata.values.size}") if(Sdata.keys.size != 0) { val...

Can't I access outer class var from inner singleton? New to Kotlin and way rusty on Java but I am trying to accomplish the instantiation of a inner Singleton object which uses a outer class variable to construct: class Foo(inpoint: String) { val point: Path val bar: Bar object Bar { val content: String init { content = point.toFile().readText() } } init { point = Paths.get(inpoint) bar = Bar } } I get an error on the Singleton Bar init trying to get the Foo point (Path)

Room DB error ,Task :app:kaptDebugKotlin FAILED error: Type of the parameter must be a class annotated with @Entity or a collection/array of it. kotlin.coroutines.Continuation

Android studio binding apply I tried to use binding.apply, but the error. can anyone help?

Android test module classloader obfuscation I'm testing my :app module with a specific :test module. The test module applies the com.android.test plugin and configures release to test the obfuscated release variant. Now both modules use kotlin.Result and obfuscate it with the same name. The difference only is, that :test uses kotlin.Result$Companion while this type is completely striped from the :app APK. The problem is, that the test code resolves the obfuscated class from the app dex file instead of looking it up in the test dex...

Kotlin button not found I was watching a video. I guess one year old (Ref Link: ). And while making the app i was not able to fetch the button from the activity_main file for some reason. I assume i have missed a line of code or something but iam not able to find it. Can someone please help. He has uploaded the code also in the file @ link : <a...

Android calendar library to handle holidays dates Context I'm looking for a calendar library to use in my Android App. What I'm looking for I need a library that have the functionality to mark some random dates as holidays, as well as to be able to change the color of this dates. I mean if there are holidays dates, they will be appear in a specified color, and disabled.

Spoonacular API being called multiple times when implemented via RX Java in Android I am learning implementation of Rx Java in Kotlin via MVVM architecture. I have a simple app that takes input from the user regarding the name of a dish like 'pasta' , 'pizza' etc and subsequently on press of a button , I call Spoonacular Api via Rx java to display the name of the dish returned by the API call , in the logcat. Now every time I press the button, the number of call increases by two and I receive multiple names every time. Can someone please guide me in this. Spoonacular Api...

Shared element transition not working on back pressed The transition works fine from RecyclerView to detail Fragment, but not working the other way around. I have tried all the solutions I have found on this site and some other sites, but nothing worked. Here is my code: MainFragment @AndroidEntryPoint class MainFragment : Fragment() { private val viewModel: MainViewModel by viewModels() private lateinit var binding: MainFragmentBinding @Inject lateinit var charactersAdapter: CharacterAdapter // Pagination private var isEnd = false private...

Error: Type of the parameter must be a class annotated with @Entity or a collection/array I know that some have already posted this topic but after reviewed all the given answer, i can not find anything suit my case. I would be happy if someone can help me resolving my case. I started getting my build failed as i've updated my Kotlin lib from 1.5.31 to 1.6.0. What happened: My Android Room baseDao class can’t be compiled again. Below my BaseDao class: interface BaseDao { /** * Insert an object in the database. * */ @Insert(onConflict =...

Kotlin. The most efficient solution for finding the minimum value I have a list of Sugar. The Sugar class has two field: price and weight: data class Sugar(var price: Double, var weight: Double) And I need to find max/min value by this fields. I found two ways to do this. The first way is to use a ready-made solution: val minPrice = list.minBy { it.price }?.price val maxPrice = list.maxBy { it.price }?.price val minWeight = list.minBy { it.weight }?.weight val maxWeight = list.maxBy { it.weight }?.weight Second way:...

How to get channel icon by channelId with enpoint search from YouTube Data API V3 I make a request on /search enpoint: https://www.googleapis.com/youtube/v3/search?part=snippet&channelId=UC8M5YVWQan_3Elm-URehz9w&key=AIzaSyAp8yGkCqT9e9p7IzgpE24KGoqLRgNhOg0&q=Utopia I receive videos and their previews, but the channel icon is not coming, and I read how you can get the channel icon, there I...

API response using Retrofit returns null for certain parameters which aren't null I'm using Retrofit for my android application, but few of the parameters come back as null while others have values, it's working fine on POSTMAN function I'm using for Api Call private fun apiCall(search: String): List { var recyclerDataList: List = ArrayList() val consumer = OkHttpOAuthConsumer("9c6c751a78db41b9a8bec92ef28c7656", "3f302d7930a74c1db0304ce675d4d41b") consumer.setTokenWithSecret("","") val client1 = OkHttpClient.Builder()...

java.lang.NoClassDefFoundError: Failed resolution of $DefaultImpls In a multi-module Android project, in one module of the project I am setting minifyEnabled to true in Gradle. I am facing this exception when the app uses a class from that module which implements a interface containing methods with default values. For instance, the module contains the interface below and an implementation of it: interface MyInterface { fun method1(parm: String) fun method2(parm1: String, parm2: Int = 100) } If the app calls method1 of the implementation it works. But...

Android. Add and read to database? I'm new to development! I have a text list of exercises and I want to make this list appear in my application. There is an idea to use SQLite (Room). Question: How can I add my list to the database? Perhaps there are other options for implementation?

How to pass data to dialog in Jetpack Compose So I am trying to pass object comment from LazyColumn item into Dialog. This is my current code: Screen Box(modifier = Modifier.fillMaxSize()) { Column( modifier = Modifier .fillMaxWidth() ) { LazyColumn( modifier = Modifier .fillMaxSize(), state = lazyListState ) { items(pagingState.items.size) { i -> val comment = pagingState.items[i] if (i >=...

Android-Kotlin how to solve VerifyError I have some problems about kotlin coroutines. When I want to run this code it throws error val users = userDao.getUsersList() users.firstOrNull { it.hasPhone(phoneNumber) } } Error java.lang.VerifyError: Verifier rejected class com.example.flutterbroadcast.callerid.CallerIDProvider: android.database.Cursor com.example.flutterbroadcast.callerid.CallerIDProvider.query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String) failed to...