Correspondence between kotlin and gradle and java version? Is there a corresponding relationship between kotlin and jdk versions? I see that jdk is 17. Is kotlin 1.8.21 the latest version? Does kotlin's 1.8.x refer to the jdk8 version? May I ask if there is a relationship description for the corresponding version of kotlin? Kotlin's description of the corresponding relationship between gradle and jdk versions?

How to change the checkBox text? tried to change it in the design but getting warning and the text is not changing. using android studio kotlin I changed the text to Milliseconds but when running the application the text is still CheckBox. the activity_main.xml content:

Logged-in users in Realm Kotlin I am using Realm Kotlin SDK to authenticate different third party users, like Google and Apple Id. I see in the Kotlin SDK documentation that the last logged-in user is cached along with his/her realm: On successful login, the Kotlin SDK caches credentials on the device. You can bypass the login flow and access the cached user. Use this to open a realm or call an Atlas Function upon subsequent app opens. So logically, on app open, I should check if app.currentUser is not null, indicating...

Add a shadow around BottomSheetDialog in Android I have designed a bottom sheet dialog which is using the entire screen width. This dialog is aligned bottom and have rounded corner on the top left/right part. the layout is as below:

to plot 7000 data points per second with MPAndroidChart in Kotlin Android How to plot 7000 data points per second with MPAndroidChart in Kotlin Android Using ble connection i am receving data from an device. i am 16 bit array and need to plot the each array element in the chart. I am getting each array in the gap 0.02 s every array consist of 122 element. I am using MPANDROIDCHART to plot the graph.I need to the chart smooth and no lag in the chart. I need to make chart in linechart

How to fix 'Phone Account Handle not enabled' error when attempting to add incoming calls(system managed) to Android app System managed connection - place inbound call process first i initialzed the telecom manager private void initializeTelecomManager(){ Context context=this.getAppContext(); ComponentName cName = new ComponentName(context, VoiceConnectionService.class); String appName=this.getApplicationName(context); handle = new PhoneAccountHandle(cName, appName); telecomManager = (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE); } then register...

Android ROOM - Kotlin - Insert return value with multiple parameters of different type With Insert Room datbase, I need insert two entity at one time. @Transaction @Insert(onConflict = OnConflictStrategy.IGNORE) suspend fun insertChemicalChemistry(baseChemical: BaseChemical, langInfo: LanguageComplimentChemical?): List I read the documentation on the android developer site text This is allowed However, when my project build one exception throw in...

How to implement a verification code storage with the most efficient and elegant [closed] What technology can be used to store a verification code, write java container or cache or session or database, how to achieve the most elegant, I currently use session plus timer to achieve what is a more elegant alternative？ Very elegant performance to support a large number of high concurrency

Show / hide keyboard using LocalSoftwareKeyboardController without using TextField in Jetpack Compose I have a custom composable that I would like to "attach" to a software keyboard, meaning I want input to be handled by the keyboard and the output rendered on my custom composable. This custom composable is not a TextField. I have a MutableState for the keyboard input and my custom composable correctly renders this state. I have seen solutions in other frameworks/languages, like Flutter, where an invisible TextField is used to achieve this. But it seems like a hack - and I don't know if it's...

Coil Image Loader is not working. The picture is not coming I am trying to fetch image from url using Coil Image Loader but it is not working. I tried the code on Coil's own site, but it didn't work. First I get the drawable with the code block below. val request = ImageRequest.Builder(context) .data(url) .memoryCachePolicy(CachePolicy.ENABLED) .error(R.drawable.error_image) .target { drawable -> callback(drawable) } .build() val disposable =...

How to use list value in vararg in kotlin I have pairs value and want to use in vararg. The value is something like this answer val verticalBrush2 = Brush.verticalGradient( 0.25f to Color.Blue, 1f to Color.Red, ) I have some business logic to use different colors. So I converted into like this val brushColors = listOf(0.25f to Color.Blue, 1f to Color.Red) Now I passed in drawLine brush <a...

Micronaut's @Cacheable annotation TTL and Retention-Policy I am using Kotlin-Micronaut's cacheable annotation for a method that calls an API as below: @Retryable(attempts = "5", delay = "20ms", multiplier = "2.0") @Cacheable(value = ["my-cache"], parameters = ["id"]) @Get("/fetch/mydata") fun fetchData() { ....required confs for calling the api } I need help understanding: 1. What is the default TTL (I have gone through docs but not able to find one) 2. What is meant as the retention-policy at docs having following enums: SOURCE, CLASS,...

How to fix an Error in Preference Manager In my Android project I gotta read the link from firebase, after that read another from the HTML code, save it to Preference and open it. I tried to find the answer how to do it here, but I didn't, and after that I decided to ask chatGPT how to write such code. And it wrote. But when I pasted it to Android Studio, I discovered the error "Unresolved reference"(in class MyWebViewClient). PreferenceManager.getDefaultSharedPreferences has been crossed out, and the context this@WebActivity was...

Why is my bottom navigation assuming my activity height instead of my FragmentContainerView's? My bottom navigation fragments are assuming my activity height instead of my FragmentContainerView's. I would like to know what the cause might be. This is my bottomNavigation activity: My interface is looking something like this, in this particularly case I have a marginBottom of 32dp, but as you can see the view is assuming my activity constraints. I don't know what code can help finding the solution for this issue but I can provide more code if needed

while adding dependcy in Kotlin DSL android, it gives red colored compier warning? When I am adding library in Compose project in new Kotlin DSL, it gives compiler error in all gradle file, library I want to add is implementation 'com.github.JahidHasanCONetworkUsage1.0.1' and kotlin DSL equialvalent = implementation(libs.NetworkUsage) library catalogue =NetworkUsage = { module = "com.github.JahidHasanCO:NetworkUsage", version.ref = "NetworkUsage" } org.gradle.api.InvalidUserDataException: Invalid catalog definition: - Problem: In version catalog libs, invalid library...

Bottomsheet acting strange with windowsoftinputmode=adjustResize kotlin compose Bottomsheet acting strange with windowsoftinputmode=adjustResize kotlin compose. I added android:windowSoftInputMode="adjustResize" in manifest file in order to solve something. Unfortunately, the text fields inside BottomSheetScaffold are not working right, when the keyboard is open, the screen goes crazy. video: Video Link

How to divide a multiline string to a list of string, each containing a specific number of lines? I have a string like this: 1 000122,416 --> 000125,146 Hey, Jack, those racks don't go up there. 2 000125,153 --> 000127,915 - What do you mean? - They go in the parking lot. 3 000127,921 --> 000130,315 The ones with blue plastic go up there. 4 000130,324 --> 000134,161 Ah, okay, hey, sorry, I didn't realize. I want to divide the string into a list of string, each containing a specific number of lines, for example, if the number is 5, each string should contain 5 lines,...

Replace green background to transparent background in video using FFMPEG Chroma key feature I need to replace the green background color to transparent background in the video. I have used FFMPEG Chroma key feature but it replaced green color with black background. I used below commands: val outputVideoPath = FileUtil.createMediaFilePathforChroma(this@ChromaActivity, 1) cmdList.append("ffmpeg").append("-y") cmdList.append("-i").append( getFilePath( checkUrl( getSilentAudioFilePath(...

How to map from DTO to domain when nave nullable field in API I get a complex model from server with Retrofit. I simplified it to make it more obvious. Two fields are obligatory, but bottomSheet is optional. The problem is that I have to make all the fields of domain model BottomSheetData nullable even though I don't need them nullable. DTO models: @Serializable data class PrivilegeWidgetDto( val widgetHeader: String, val widgetText: String, val bottomSheet: BottomSheetDto? = null, ) @Serializable data class BottomSheetDto( val...

Kotlin handle indexOutOfBounds for nested list objects I have an nested list objects. like the one below. How do I avoid indexOutOfBounds exception? Is there a idiomatic way to do it? listA[0].listB[0].listC[0].department

I want to Send Open ID To AWS but it show some cast error which are shown I want to Send Open ID To AWS `var mobileClient = Amplify.Auth.getPlugin("awsCognitoAuthPlugin").escapeHatch as AWSMobileClient? if (mobileClient != null) { mobileClient.federatedSignIn( // aws provider URL "securetoken.google.com/xxxx-xxxx-xxxx", idToken, object : Callback { override fun onResult(userStateDetails: UserStateDetails?) { Log.e( "AmplifyQuickstar",...

How to make a customized scroll in LazyRow Jetpack Compose I am making a trello application clone in jetpack compose. In which there is a screen where all the lists in the board are displayed in a row , I have used lazyRow to implement that. One difference I saw when scrolling the lists in the original trello app was that while scrolling the next item would stop exactly at the middle of the screen and it also doesn't skip any item even if we scroll with more speed. Whereas in the LazyRow in my clone application the scroll behavoiur just depends on...

How to transform Flow&lt;T&gt; to StateFlow&lt;List&lt;T&gt;&gt; in Kotlin? There is a Flow like this val flow = flow { for (i in 1..100) { emit(i) } } I need to display all the element in this flow to the screen, so I need to convert Flow to StateFlow. what should i do? Note: Do not modify the code inside flow, similar to emit(list)

How can I extract data from a structured PDF with PDFBox? I am currently trying to extract data from a PDF structured with tags (I have no other way to locate my data), I tried using the PDFBox library and accessing the structure tree with document.documentCatalog.structureTreeRoot , this returns "Document", i.e the root of the tree, but I have no idea how to access the rest of the tree. Any help would be appreciated.

Trying to upload my project in android studio to github but getting message Can't finish GitHub process. how to resolve? using windows 10 pro and android studio flamingo 2022.2.1 patch 1 language kotlin I tried to google and found this answer but not sure where do I need to put these two lines where to get them see them and how in the android studio? Push Project To GitHub From Android Studio Failed

Using CameraX in Android, but it shows only black screen. Kotlin I'm trying to get some picture using CameraX, but it won't work. Only black screen on a photo + button. There's no preview from the camera. My android version of the phone is 11. Can anyone help with this? I found some examples of the code, it used 'android-extensions', but now it's deprecated and i changed some code. I guess problem here, but i don't understand how to fix it: it.setSurfaceProvider(Preview.SurfaceProvider { pv_camera }) That's a whole code of MainActivity: ` package...

Kotlin extension function for nullable types ONLY Examine this code: fun f(nullString: String?, nonNullString: String) { nullString.ext() // Error: Only safe (?.) or non-null asserted (!!.) calls are allowed on a nullable receiver of type String? nullString.nullExt() // OK, nullabilities match nonNullString.ext() // OK, nullabilities match nonNullString.nullExt() // Expected error: nullExt is only applicable to String? } I would like to write two function signatures that makes the first and last function call not compile....

Mute conflicting webview audio programatically I have a media player application, which plays FM radio or songs. The problem statement now is to add a section where users can play simple H5 (html) games in a webview. The issue I'm facing is that some of these games have music/audio within them. I don't want the webview to play any sounds on launch which will overlap with the FM/songs which are playing. Have no control over the H5 games' code and have tried injecting javascript which finds all the audio elements using getElementsByTagName...

Scroll to absolute coordinates of nested element in Jetpack Compose Jetpack Compose animateScrollTo to absolute coordinates or direct to element Here is almost the same question, but I have nested composable in my case, so the accepted answer won't work for it, and when you want to scroll from the bottom of the screen. relocationRequester didn't help in my case. I've tried to get the parentCoordinates from coordinates and it...

Why does my Kotlin Google Maps app occasionally have a marker teleportation glitch? I am writing an application using kotlin and ran into a problem. I haven't been able to solve it for two days. My app is linked to google maps and I decided to make a custom marker that shows your location and where you look. Everything should work and it does, but sometimes a bug happens. Bug is that the marker which shows where the user is looking, at any of the start of the application stops moving, it just stands there and the strangest thing I found, if you start zooming in and out of...