Change text button in top right in MaterialDatePicker dateRangePicker() I want to change text button SAVE in top right, i used library 'com.google.android.materialmaterial1.4.0' val dateRangePicker = MaterialDatePicker.Builder.dateRangePicker() .setTitleText("Select Date").setTheme(R.style.Widget_AppTheme_MaterialDatePicker).build() dateRangePicker.show(childFragmentManager, "date_range_picker") dateRangePicker.addOnPositiveButtonClickListener { val start...

JetPack Compose LazyListState.animateScrollBy scroll finished call back I need to detect LazyColumn (or LazyRow) state LazyListState.animateScrollBy function callback like detect animation is finished. There is a property like: state.isScrollInProgress but this is not a solution for me. @Composable fun MyLazyColumn { val state = rememberLazyListState() LazyColumn(state = state) { items(100 // not important) { ... } } val somePos: Float = 500f // example state.animateScrollBy(somePos, tween(durationMillis = 1000)) } }

Application is not remaining live when killing it by swipe, but Service is created and remaining live I have an app that is supposed to intercept incoming calls, compare phone number with list created by the user and make silent mode if the caller is in this list, so I need to remain my application always running in background. I created a Service which is starting in my App class, I also call startForeground method within onStartCommand section and return START_STICKY. However, swiping away my app in app manager completely kills it without any allusion on recreating or background work, all...

How to for each inside custom radio group using Jetpack Compose Basically the main question is in the header, here is my code snippet: @Composable fun CustomRadioGroupItemComponent( radioOptions: List, onSelectBehavior: (optionIndex: Int, onOptionSelected: (Int) -> Unit) -> Unit, imageStateCheck: (selectedOption: Int) -> Boolean ): Int { if (radioOptions.isNotEmpty()) { val (selectedOption, onOptionSelected) = remember { mutableStateOf(0) } RadioGroup { radioOptions.forEachIndexed { index,...

Change layout elements in a ListView item I'm using a NestedListView (I suppose the functioning is similar to ListView) to display a list of Bluetooth devices to connect my app to. I want to be able to replace an arrow image (stored in an ImageView) by a loading animation (I'm using an indeterminate ProgressBar for that) in a listView item when connecting to a device, and then revert it once the connection is done, the connection outcome doesn't matter. What I want to do: 1 - The user clicks on an item to connect to a device 2 - The...

How can an App write and read file in Documents folder? I wrote an App, in Kotlin with Android Studio that write some strings to a file. All work, I can write and read inside the App, but I can't see the file looking in Documents folder. How can I use the folder Documents as a storage space? Thank you These are the function I use: fun saveTextFile(view: View, nomeFile: String, testo: String, contesto: Context){ var fileStream: FileOutputStream try { fileStream = contesto.openFileOutput(nomeFile, MODE_APPEND) // OK...

Issue with checking network connectivity on android Kotlin I call the following function in onCreate and when I turn on and off the network connection on my device while I am on this activity, it shows the message perfectly fine. However, when I open this activity while the network on my device is turned off, it doesn't show the message that the network is turned off whereas when I open the activity when the network is turned on, it shows the message that I am connected to the network. private fun checkConnection() { connectivity =...

Kotlin inline functions with jetpack compose I'm wondering if you should be using kotlin inline functions for composables in jetpack compose, yes, no, why?

Jetpack Compose: How to connect 2 LazyColumns What my goal is I want to connect a LazyColumn that has reversed Layout enabled with a 'usual' LazyColumn, so that it seems for the user like it was one List and not two. reversed LazyColumn: usual LazyColumn: (Cannot attach more than 3 links I think) connected:...

How to call EventBus in fragment android In my application I used navigation component for show fragments and EventBus library for handle events! I have 3 fragments! In Fragment2 I used EventBus. Fragment2 codes : override fun onViewCreated(view: View, savedInstanceState: Bundle?) { super.onViewCreated(view, savedInstanceState) //Title val event =...

Migration Kotlin synthetic with view binding id in activity Hey i have activity class and activity layout, inside that i am calling another layout id in BottomSheetBehavior. So the problem is when i calling layout id, it's using synthetic and i don't want to use that. So could some have better approaches for that. import android.os.Bundle import android.view.View import androidx.constraintlayout.widget.ConstraintLayout import com.google.android.material.bottomsheet.BottomSheetBehavior import kotlinx.android.synthetic.main.bottom_sheet_layout.* class...

Navigating between fragments with cursor I am trying to pass data to destination between fragments. I am using cursor to provide data. please how do I pass arguments to the next fragment. This is my recycler adapter, onBindViewHolder(). `override fun onBindViewHolder(holder: ViewHolder, position: Int) { if (mCursor == null) throw IllegalStateException("This should only be called when the cursor is valid.") if (!mCursor!!.moveToPosition(position)) throw IllegalStateException("Couldn't move the cursor to the position $position")...

Kotlin : Recyclerview on Fragment ,how to make the default total price is the first item multiply 1 I got stuck in the situation .. The idea is ,make the display total price with the first item selected multiply the first value of popup menu which is 1 ,I was trying to make the first item as the initial price ,but the total price became the first item price * selected value of popup menu .... I have no idea what happend .. Could you please help me check my code ,thank you so much in advance : Product.kt package...

Searching & Clickable Text on OCR Text Extract in TextView Kotlin I am Krishna. I have followed a tutorial & been able to make an OCR app which is able to extract text from image. I am able to edit the extracted text in the text view. I am getting a "search lens" visible on the screen but not able to use it. I want to search for a particular word on the OCR extracted text from image either programmatically or by using keypad to type the word to be searched. If the word is present in the extracted text I want to make the word clickable to open a new...

using the FirebaseInstanceId function not getting token can't get TOKEN using FirebaseInstanceId function FirebaseInstanceId.getInstance() .instanceId .addOnFailuereListener{ e -> Toast.makeTexte(this@SplashScreenActivity, e.messege ,Toast.LENGTH_SHORT).show()} .addOnSuccessListener{ instanceIdResault -> Log.d("TOKEN",instanceIdResault.token) UserUtils.updateToken(this@SplashScreenActivity,instanceIdResault.token) how...

button does not appear when i open the keyboard i added android:windowSoftInputMode="adjustPan|adjustResize" and the button is in ScrollView but I had used MotionLayout,is it because of that?

Kotlin fails to recognized compose libraries I having an issue with build.gradle file all my compose libraries are failed to be resolved. Therefore all my kotlin files @Preview are marked as Unresolved reference: Preview and import androidx.compose.ui.tooling.preview.Preview library not recognized. Also import androidx.compose.material.* is not recognized as well even it was declared in kotlin file. Thank you in advance! plugins { id 'com.android.application' id 'kotlin-android'} android { compileSdk 31 defaultConfig {...

Android: How to pass data for interface-function from kotlin singleton class? So, I have Kotlin singleton class object ABCHelper { ...... } And I have one interface somewhere in project interface ABCCallback { fun getApiResponse(view: View?) } Now, I want to pass some data inside ABCHelper class like this abcCallback.getApiResponse(mView) (but don't know how to pass) and need to implement in some other viewmodels.

Access "Developer settings" and fetch data on a android phone with Kotlin i know this isn't a typical question, but i want to know how can i access the developer settings and access debog data on a phone with android studio and kotlin. Thank's for your help

Keyboard blocking android error message for user to see So I am building an app that user needs to enter OTP. However, if user enters OTP number wrong an error message displays but the problem is that the error message is being blocked by android keyboard as user needs to remove the keyboard in order to see the error message. Question, how can I make the keyboard go away when an error message displays so the user can see it or even put the error message on top? Thanks in advance

Simple Instrumentation Test Fails in Android (Dagger Injection Issue) I am trying to run a simple instrumentation test on an Android emulator: @RunWith(AndroidJUnit4::class) class MainActivityTest{ @Test fun test_openPage() { val activityScenario = ActivityScenario.launch(MainActivity::class.java) } } It throws RunTimeException with a message: java.lang.RuntimeException: android.app.Application does not implement dagger.android.HasAndroidInjector However my application class MyApplication actually implements HasAndroidInjector, it seems...

Force ReactorClientHttpConnector to use p12 certificate with httpClient In one of the libraries I use ReactorClientHttpConnector is used to make http requests. The destination of http requests requires client certificates. I tried to set up HttpClient beans using PostProcessor but it didn't help override fun postProcessBeforeInitialization(bean: Any, beanName: String): Any? { if (bean is HttpClient) { val password = System.getProperty("javax.net.ssl.keyStorePassword") val appKeyStore: KeyStore = KeyStore.getInstance("PKCS12")...

Kotlin 1.5.20 breaks kapt for dagger/moshi I have updated kotlin to version 1.5.20 from 1.4.31. And that caused error during the kapt processing. Kapt fails for dagger & moshi with pretty similar error outputs with metadata/kotlin runtime For dagger: Caused by: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) .. at org.jetbrains.kotlin.kapt3.base.Kapt.kapt(Kapt.kt:45) ... 28 more Caused by:...

Error Android Studio java.lang.ExceptionInInitializerError Sorry for my poor English but I currently have an error on Android Studio and I don't see how to do it.I got an Android Studio tutorial and I got this error: 2021-08-31 161008.340 6900-6900/fr.antoine.naturecollection E/AndroidRuntime: FATAL EXCEPTION: main Process: fr.antoine.naturecollection, PID: 6900 java.lang.ExceptionInInitializerError at fr.antoine.naturecollection.PlantRepository.updateData(PlantRepository.kt:24) at...

Launching activity from Fragment, Kotlin I'm new to Kotlin/Android development and I'm making an app to display quizzes. Recently I decided to begin using fragments. On my MainActivity which has three fragments, I'd like one to have a method of clicking a subject and being taken to that particular quiz activity. Note, there is only one quiz activity, but the intents pass a variable to display the relevant data for the quiz. I had correctly implemented this when this page was not a fragment but struggling to find a solution this...

Is AES 128 Crypto (Cipher) logic is there in Kotlin Multi Platform (KMM)? I found AES encryption logic in Kotlin by using JavaX libraries. Since it's specific to java (Android) so it's not executing for iOS. import javax.crypto.Cipher import javax.crypto.SecretKey import javax.crypto.spec.SecretKeySpec object Crypto { fun calculateHash(data: ByteArray, key: ByteArray): ByteArray { val cipher: Cipher var encrypted = ByteArray(16) try { val secretKeyEcb: SecretKey = SecretKeySpec(key, "AES") cipher =...

Could not get unknown property 'kotlin_version' for object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler I have searched throughout the net but not getting any possible results. classpath "org.jetbrains.kotlinkotlin android extensions$kotlin_version" classpath "org.jetbrains.kotlinkotlin gradle plugin$kotlin_version" I have added the 2 classpath but still not showing any responses.

Nested RecyclerView not working with DiffUtils Hi i am kind of new to Android and i have an issue that probably will get negative qutes for this :) i was following a Tutorial and then i decided to build an app for a Youtube Api that retrieves playlists and videos inside the playlist. The structure as follow: -i use tabLayout with fragments "Main Fragment: generates the viewpager" and displays one tab for playlist and one for all videos of the channel -i have only one navigation graph for all my 6 Fragments (also worth to mention i use...

How to update items of a slide menu dinamically (without "recreate()") I have a list of objects into a fragment. Every time I select an object, I need to update a menu item (that has it's own layout). I have tried with recreate() method to update the activity (so also the menu) and it works, but of course it also recreate the fragment. I'm using DataBinding to access to UI components and I also tried to change the menu item manually from fragment, but doesn't work. I'm looking for a dynamic solution, without recreating the fragment. Thanks in advance!

Android Flow-backed firestore realtime listener gets canceled on configuration change Project Structure My goal is to build a real-time firebase (firestore) notes app (written in Kotlin). The app just shows a list of notes and they are synced in real time with the server. I'm using MVVM pattern and Firestore database. The skeleton of the app contains: NoteRepository which connects to firebase and fetches the notes and listens for real-time document changes; NotesFragmentViewModel which exposes the notes (and the subsequent notes updates) to the views through a Flow;...