Why don't load intersticial add? I updated Android Studio and now I don't know how to implement the adds correctly. All the aplications that I did had a different structure of gradle than the one it is created now. With the code ca-app-pub-3940256099942544~3347511713 from the test ad it works fine, but if I add the code from my ad it doesn't work, message: "The interstitial ad wasn't ready yet." . Could you please tell me how to correctly implement it? My code: encendido.setOnClickListener { if (mInterstitialAd...

SU executable and device not being Rooted I am doing research for good way to root device in 2022. I reached this orginal post here: Determine if running on a rooted device I am confused with this explaination in one of the answers given: The existence of the "su" executable doesn't necessarily mean the device has been rooted What does it mean?

Swiping Horizontal Pager looses the item state when scrolled back and forth - JetpackCompose I am making a quiz app. It uses Horizontal pager, in each item there is a question and 4 option radio buttons.i have 10 items in horizontal pager. if i reach to last page and swipe back to first the selections made are gone and the page is loaded freshly. How to save the state of the content item even when it is scrolled to last page. When using normal view pager we can set page offset which is not available in jetpack compose.How to solve this issue ?. Please help. I am using this version...

How to declare padding for custom layout in Jetpack Compose 1.2.0 In version 1.2.0 of Jetpack Compose a padding parameter is being asked for by the Scaffold, content section. How do I declare padding values in this section, when they have already been specified in my custom LazyColumn? All I get is paddp. Content padding parameter it is not used Scaffold( topBar = { MyLargeTopAppBar(title = "Hello Android") }, content = { MyLazyColumn(lazyItems = arrayOf(...)) } ) @Composable fun MyLazyColumn(lazyItems: Array ) { LazyColumn(...

Update UI after text is changed First to mention that this is Compose Desktop Application - not Android. I have variable declared like: val text = mutableStateOf("Example") And composable function: @Composable fun CreateText() { val myText by text Text(myText) text.value += "SomethingNew" } After creating Text(myText) "Example" will be written in it. After that I am trying to update it with "SomethingNew" but it's not showing in UI (text variable itself contains proper value). I don't want to use remember here...

How to insert a parameter in a function that is inside other functions in Kotlin I have a function which receives a MutableList parameter, which is inside other functions. But this last function does not accept it. ObtenerUsuarios{ Adaptador{LecturaFacturas{:createRecyclerViewA(listdeClientsString) }}} When I insert the parameter in createRecyclerViewA it says :this sintax is reserverd for future use... fun crearRecyclerViewA(ListDatosX: MutableList){ var adapter = RecyclerAdapter(ListDatosX) recyclerA.adapter=adapter adapter.setOnClickListener {...

PhotoManagerPlugin.kt - Type mismatch: inferred type is Boolean? but Boolean was expected Please assist, I have upgraded my flutter to 3.0.1 • channel stable , dart sdk version to Dart SDK version: 2.17.1 (stable) (Tue May 17 175821 2022 +0000) on "windows_x64". kotlin version ext.kotlin_version = '1.6.20' in /android/build.gradle file. When I try to start my app I get the following error C:\Users\[MY_USER]\AppData\Local\Pub\Cache\hosted\pub.dartlang.org\photo_manager- 1.3.10\android\src\main\kotlin\top\kikt\imagescanner\core\PhotoManagerPlugin.kt: (128, 36): Type mismatch:...

Ktlint rule to ignore certain new api versions I'm currently using Android API Level 29 and when I want to use anything below this ktlint tells me that I need to either add a @RequiresApi(Build.VERSION_CODES.N) annotation on the function or to surround with an if statement to check the version like so: if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { locationManager.registerGnssStatusCallback(gnssStatusCallback) } VERSION_CODES.N = 24 As I'm targeting level 29 this should just be ignored. The easiest thing to do is to just add...

How to get direct current link in webview android like a browser? I'm making app which allow surf web and download video. But I can get current link request for this task. Example: when you suft facebook.watch on the pc. You can get direct link video on searchbar like this: https://www.facebook.com/watch?v=693660431865152 . And in tiktok is same. How can I get link in webview in android? Thank you. This is my code, but It not working right for me: fun connect() {...

Retrive user data The structure of my firestore db looks like: I have to retrive the value of groupId and then use it in another function. Is there any way to do it? Or map it to object like: fun getUserData(): User { db.collection(Constants.USERS) .document(getCurrentUserId()) .get() .addOnSuccessListener { val user = it.toObject(User::class.java)...

How to get longest streak from an array of int Kotlin I am working on a story and am wondering how I can solve this problem similar to my current work at work, so a weekly streak is defined as one or more consecutive active weeks in which a user has worked out. So say you are given an array of active user days, we need find the length of the longest active weekly streak. Here each element in the array represents an offset from an arbitrary Monday in the calendar (e.g. Thursday Feb 4th 2022). The offsets are zero indexed. some helpful tips are...

Kotlin (ADD CONFIGURATION) NO RUN OPTION i been thinking about moving to Android development, i came from Java so i wanted to learn Kotlin with IntelliJ, i have never used a JetBrains software and im trying to follow a tutorial on Youtube. The thing is none of the tutorials explain how to add a configuration to the project.. for them a green arrow pops up when they create this function, but for me there is no run button and IntelliJ tells me i have to add some configuration? fun main(){ println("Hello World") } <a...

keeping track of injected variables when using string interpolation in kotlin I'm looking for a way to keep track of variables used when doing a string interpolation without parsing the string. For example, if I have a string: val expStr = "${var1} some other useless text ${var2}" I want to be able to identify the order of the variables used, again without parsing the string. In this case [var1, var2] would be an expected output. So far I've thought of defining a class where I pass it all of the variables. Then reference said variables through the class function...

why object implements serializable when use jpa, cache, session ... etc https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html When and why JPA entities should implement the Serializable interface? According to the Java specification, to write an object in jvm to a file, etc., it is said that serializable must be...

Why the viewmodel class is not called when the second time its navigated to same fragment? I have a picker fragmet which is navigated from many other fragments. So the behaviour is to close the fragment and return the selected item to the parent fragment. So the code written to get this behaviour is the following. On Recyclerview Item click PickerFragment onItemClick = { binding -> binding.stack?.let { val bundle = bundleOf("stack" to it) if (args.actionArg == R.id.stackEditFragment) {...

How to change font family in Jetpack Compose programmatically? I'm building an Android app and I wanted to add an option in the settings for the user to choose either he wants to use The app custom font family or just use the dafault system font family and maybe also options for other fonts. Is there an option in compose to do this?

RecyclerView delete the wrong position item I have a list of item in RecylerView, with have a delete button with delete the item from the list. When I click the delete button, the item at last got deleted not the item selected to be deleted. What's more, it creates a new item with old item's data instead of new data. The following below is the code written in Kotlin: class MedicineAdapter(private val activity: Activity, private val dataSet: MutableList, private val medicineSet: List): RecyclerView.Adapter() { class...

kotlin command returns ClassNotFoundException I tried to run kotlin and I got this error. I have installed kotlinc And put kotlinc\bin in the Path Variables

why we need Matrix for 2D transformations Can some one please explain me why we need matrix for image rotation, scaling etc. We can do all the basic function also without matrix like set the position, rotate an image all that so why we need matrix for that ? some reference will be very helpful thank you for advance.

Unit Testing of an API in Kotlin? I am new to this unit testing, can somebody help me in writing a unit for an API that is used for logging. I don't know where to start and how to start writing tests for an API.

How to test a method in another method with creating an object I want to test requestManager collaborator method: override fun requestLogin(registerDto: RegisterDto) = flow { val userRegister = IG_RPC.User_Register(registerDto) var registerDtoObject: RegisterDto? = null requestManager.sendRequest( userRegister )?.takeWhile { it !is AbstractObject }?.collect { registerDtoObject = RegisterDto(phoneNumber = "0939") } emit(UserLoginObject(phoneNumber = registerDtoObject?.phoneNumber)) } when I want to run the test, the...

How to use my datastore prefrence in fragment kotlin private val Context.dataStore by preferencesDataStore("app_preferences") I want to use the datastore above but the variable cannot be read or used in the fragment. like this picture

Variable doesn't update inside composable using jetpack compose I'm trying out jetpack compose and have a basic textfield composable that accepts a boolean variable for validation. However it doesn't update properly and only works at initialisation. class RegistrationActivity : ComponentActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContent { var name = "zzz" BasicField( title = "Last Name", value = name, onValueChange = {name = it},...

How to Mock and test ViewState with Callback Interface I have a ViewState class which accepts a callback interface as constructor parameter. interface Callback { fun onEvent1() fun onEvent2(s1: String, s2: String?) } class ViewState(private val callback: Callback) { fun setState(state: State) = when (state) { is State1 -> callback.onEvent1() is State2 -> callback.onEvent2("1","2") } } How can I test this? What I have so far is @RunWith(PowerMockRunner::class) class ViewStateTest { lateinit var viewState:...

How to implement bufferTime equivalent in android? In Rxjs, there is one bufferTime operator which will buffer the source observable for some time and then emit as array. Just wonder in android (kotlin) how can we implement similar? In the app, i'm using the Eclipse Paho MQTT Client to subscribe the mqtt topics. And one of the topic, the notifications are sent quite frequent. After receiving the notification, i need to update the UI with the notification....

Fragment using children Fragments with Navigation Controller I have a query where I want to know whether it can be achieved or not with Navigation Controller. I have to take user info in multiple parts to make a smooth experience and keep the app a little interactive, now I have Activity A which contains two Fragments A-1 and A-2. Now I show Fragment A-1 and take part of the user info there and then on the next button I show Fragment A-2 and take the remaining info there and then process the information to store it. Pictures are attached for a better...

Assets from JS file not loading in Android Webview I have created a simple game in JS and now I am trying to implement it in an Android app.The background is already loading but where the images should appear there are only green boxes indicating a missing asset. How could i get the app to load these properly?

Handling button click and button touch simultaneously in Kotlin Here is some seemingly classical code, that I have in a small android app. It is handling some button, so nothing special going on; but this is the question: This code work as long as I choose to have one of the two function blocks theBtn.setOnClickListener {..} or theBtn.setOnTouchListener {..}. But it no longer works if I want to have both at the same time. Am I missing some thing ? val greyLvl = 0x89 val stdColor = Color.rgb(greyLvl,greyLvl,greyLvl) val hiLiColor =...

The data I get from Firebase does not enter the if else control val energy = enerjiText.text.toString() if (energy < 50 .toString()){ progressBar.max = 1000 val currentProgress = 900 ObjectAnimator.ofInt(progressBar,"progress",currentProgress) .setDuration(2000) .start() progressBar2.max = 1000 val currentProgress2 = 700 ObjectAnimator.ofInt(progressBar2,"progress",currentProgress2)...

How to show ChangeLog Alert only for certain app versions? I need to show a Changelog when the app is launched where i would illustrate the user the last update news, when the user closes that view i must save the info about it so i would be able to prevent it opening again (If the new version of the app doesn't requires it again as not all versions might require the Changelog to be shown). So call this function in my MainActivity private void checkFirstRun(SharedPreferences sharedPreferences) { final String PREFS_NAME = "FirstRun"; final...