How to use custom font using openHtmlToPdf? I am developing a microservice in springboot to generate pdf by using freeMarker and openHtmlToPdf libraries. I want to introduce custom font(tamil language). But in only getting #### as output. Not sure where I am going wrong. Method converting html to pdf val jsoupDocument = Jsoup.parse(htmlContent) jsoupDocument.outputSettings().syntax(Document.OutputSettings.Syntax.html) val xmlDocument = W3CDom().fromJsoup(jsoupDocument) val FONT_FILE = File("resources/fonts/NotoSansTamil.ttf")...

Usage of OkHttp and Ktor / retrofit I received some projects and in the project previous developer used OkHttp and retrofit2. And I have seen some developers use OkHttp and Ktor. My question is, what is the purpose of using OkHttp with other network clients such as Retrofit and Ktor? Just need a simple explanation and example code always welcome :)

Unable to get Swagger behind Basic Authentication (SpringBoot/Kotlin) I am trying to get Swagger behind our basic authentication. It should prompt for a username/password to view. Currently I have written the filterChain method like so: @Throws(Exception::class) @Bean fun filterChain(httpSecurity : HttpSecurity): SecurityFilterChain { httpSecurity.csrf().disable() httpSecurity.authorizeRequests { authorize -> authorize .antMatchers("/class/**").hasRole("USER") .antMatchers("/students/**").hasRole("USER")...

Jetpack Compose Card how to remove physical model and have elevation I'm starting to learn native android development so i tried creating simple app. I am trying to make dark/light theme switching, so colors in my app are coming from MaterialTheme. For light and dark theme i decided to use some grey with opacity (Color(0xFFF57C00) for example) for surface. The problem is: Whenever the elevation property for Card is not 0.dp physical model persists and it's, well, not looking good. ...

How can I scale top and bottom the image with Glide? I'm pulling data from the internet with Glide. The parts of the picture that I want to focus on are below or sometimes above the picture. When I scaleType center or centerCrop, it scales towards the center of the image. I want it to focus above or below it. how can I do? Please review the sample image below String image = mSliderItems.get(position).getImage(); RequestOptions options = new...

Using navigation with forEach in compose I am currently trying to understand how I can create a functioning navigation in compose. Im not sure how I can make it so each item has its own navigation. If anyone has any recommendation please let me know! Appreciate any help and tips! This displays each item in a row: (ps not sure I looped it correctly/ made each item clickable) // Row style for options @Composable fun OptionsItemStyle( item: OptionsData, context: Context, // make onClickevents here ???? ) { Row(...

Sentry performance monitoring with a Ktor server I would like to send performance transactions to Sentry using a Ktor server plugin to track performance metrics for API calls. How can I integrate the Sentry java and kotlin SDKs with Ktor?

Kotlin LocalDateTime doesn't contain milliseconds attribute so I have list of times in string like this 2020-03-25T235820.000000647. I can parse them to Kotlin LocalDateTime like this: val date = LocalDateTime.parse("2020-03-25T235820.000000647") I can get hours or minutes or even nano seconds from date like this: println(it.date.hour) println(it.date.minute) println(it.date.second) println(it.date.nanosecond) but there is no date.millisecond! so the question is how can I get milliseconds from Kotlin LocalDateTime?

Fix dependency resolution error. The problem I faced is the duplication of class dependency kotlin.collections.jdk8.CollectionsJDK8Kt found in modules kotlin-stdlib-1.8.10 (org.jetbrains.kotlinkotlin stdlib1.8.10) and kotlin-stdlib-jdk8-1.7.20 (org.jetbrains.kotlinkotlin stdlib jdk81.7.20) Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations found in modules kotlin-stdlib-1.8.10 (org.jetbrains.kotlinkotlin stdlib1.8.10) and kotlin-stdlib-jdk7-1.7.20 (org.jetbrains.kotlinkotlin stdlib jdk71.7.20) Duplicate class...

Jetpack Compose:Testing canvas drawings I have this Hangman app built using Jetpack Compose, which draws Hangman body parts based on wrong guesses. How do we find these shapes as individual elements(nodes) as all I could find was Canvas having semantic matcher (Modifier.semantics {contentDescription = "Hangman"}). But what about drawings in DrawScope. I have tried to find them as children with no luck.

Access Application() from HiltViewModel @Injection I am trying to access "Speech to Text" audio in Android, via this code: @HiltViewModel class SettingsViewModel @Inject constructor( private val settingsRepository: SettingsRepository ) : ViewModel(), RecognitionListener { data class SpeechState( val spokenText: String = "", val error: String = "" ) private val _settings = MutableStateFlow(value = Settings()) val settings: StateFlow = _settings.asStateFlow() private val speechState =...

Kotlin SourceSet with name 'nativeMain' not found I'm currently trying to do something with Kotlin and Kaylib (Raylib) but when I try to run it it throws an exeception. Output: FAILURE: Build failed with an exception. * Where: Initialization script 'C:\Users\comma\AppData\Local\Temp\MainKt_main__1.gradle' line: 53 * What went wrong: A problem occurred configuring root project 'MarioMaker17'.

Could not create task ':MainKt.main()'.

> SourceSet with name 'nativeMain' not found. * Try:

Run with --stacktrace option to get the stack...

Kotlin Extension on a class without Companion object I have a simple Kotlin class, that does not declare a companion object. class Foo I would love to create an extension for companion object, even if one is not specified. I do not want to create an empty companion object. fun Foo.Companion.bar() How?

Nothing triggers when trying to download images with Picasso Nothing triggers when trying to download images with Picasso. Only the onPrepareLoad() method is called. Photo size: 1.4mb Picasso.get().load(args.wallpaper.url) .into(object : com.squareup.picasso.Target { override fun onBitmapFailed( e: java.lang.Exception?, errorDrawable: Drawable? ) {...

Android intent.getParcelableArrayListExtra on ArrayList<LatLng> raises Nullpointer exception I'm trying to pass an array list of LatLng objects to another activity. The method is defined in a Util class which is not an activity. But the receiving activity always raises NullpointerException class Utils { companion object { fun startMaps(pairs: MutableList){ var intent = Intent(AAddressActivity.appContext, MapActivity::class.java) Log.d("pair", ArrayList(pairs).toString()) Log.d("pair", ArrayList(pairs)[0].toString())...

Dynamic textLimit in Compose I want to create notepad with checkboxes in my Compose app It requires a LazyColumn with multiple TextFields. To do that I require somehow limit words in app to measured width Could someone help me measure how many words I can limit to ,dynamiclly by view width @Composable fun NoteField( modifier: Modifier = Modifier, textLimit: Int = 30 ) { val focusManager = LocalFocusManager.current var text by remember { mutableStateOf(TextFieldValue(""))...

Kotlin flows: async/await execution blocking UI I want to load multiple data from a rest endpoint in asynchronously using kotlin flows and display it in a recycler view. The data is defined as ServiceDto, ProductDto, CategoryDto. ProductDto has a categoryId attribute which references to a CategoryDto. Every DTO should be loaded and displayed asynchronously but CategoryDto has to be done before ProductDto because I need the category name + dependent products and add it to a mutableListOf. The recycler view will then display the category...

InterstitialAd and java.lang.RuntimeException: android.os.TransactionTooLargeException: data parcel size 534336 bytes I am trying to implement InterstitialAd in Jetpack Compose. This is my AdsHelpder.kt class: class AdsHelper(private val context: Context) : FullScreenContentCallback() { private var onAdDismissed: (() -> Unit)? = null private var interstitialAd: InterstitialAd? = null private val adRequest = AdRequest.Builder().build() fun onDestroy() { interstitialAd?.fullScreenContentCallback = null interstitialAd = null } fun onLoadInterstitialAd(canLoad:...

My BluetoothGattCallback() onCharacteristicChanged dont work below Android 13 I try receive data to ble device, but its dont work. I config my onCharacteristicChanged in this way: @SuppressLint("MissingPermission") override fun onServicesDiscovered(gatt: BluetoothGatt, status: Int) { bluetoothGatt.requestMtu(517) } override fun onMtuChanged(gatt: BluetoothGatt, mtu: Int, status: Int) { val characteristic = findCharacteristics() enableNotification(characteristic) } fun ByteArray.toHexString(): String =...

Cut off view from bottom corner I have a layout which i want to cut off its bottom corner to slash like cut , i have already tried using ShapeAppearanceModel but did not get the desired result , i would appreciate any help , Thank you This is my code to shape corner val shapeAppearanceModel = ShapeAppearanceModel() .toBuilder() .setBottomRightCorner(CornerFamily.CUT, 36f) .build() val shapeDrawable = MaterialShapeDrawable(shapeAppearanceModel)...

Jetpack Compose Intercept pinch/zoom in child layout I want to have a box with colums of rows filled with further children that accept clicks ("CL") and long clicks ("LO") to be zoomable and draggable. Using pointerInput with detectTransforgestures I can transform the child layout as I want. var zoom by remember { mutableStateOf(1f) } var offset by remember { mutableStateOf(Offset.Zero) } val outer = (1..60).toList().chunked(6) Box(Modifier...

Filled in a form send to controller then reply back with a file download I was wondering if somebody ever had a situation where you are filling a form on a webpage then the controller replies back with a file which is downloaded ? I am having a tough getting mine worked. Currently using Kotlin-Spring+Thymeleaf. Thank you for anybody who can give a hint.So far I implemented a controller method and using javascript when i open the url in a new tab it downloads the file but this is not the best solution since I want the file download to be a reply after my controller...

Run Intent from within @HiltViewModel and get results This code below works. But it sits in the MainActivity.kt, the spoken words are retrieved under the resultLauncher code. fun askSpeechInput(context: Context, viewModel: SettingsViewModel) { if (!SpeechRecognizer.isRecognitionAvailable(context)) { Toast.makeText(context, "Speech not Available", Toast.LENGTH_SHORT).show() } else { val intent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH) intent.putExtra(...

Why Bluetooth Devices Not Displayed in Recyclerview I'm using the Kotlin to implement BLE communication techniques at the Android studio If i click bluetooth_button, Bluetooth is turned on/off, and when Bluetooth is on, the visible value of scan_button is changed to true. Next, when i click scan_button, i search for nearby Bluetooth devices, get the ID and address of the Bluetooth device, put it in an item of recyclerview, and display the searched Bluetooth devices in a list form but when i click scan_button, the list does not appear in...

Kotlin flows collected only once in repeatOnLifecycle() I'm trying to collect weather data from flows after each update. It works on initializing the UI state in ViewModel with empty object and on receiving the first piece of data, but then, while the state still gets updates, nothing is being collected. So the log will always look like: New item! List is [] Updated uiState with city1 New item! List is [WeatherData ...] (of city1) Updated uiState with city2 Updated uiState with city3 What I'm trying to achieve is for log to look like this: New...

How can I view compiler error details in Android Studio? Got this when trying to build my project: How can I get more details on this error? Double clicking the lines doesn't work. A toggle view button as described here isn't available in my Android Studio version (latest stable -> Android Studio Electric Eel | 2022.1.1 Patch 2).

SocketTimeoutException With OkHttp on Kotlin on PDA3505 I'm using this Chinese device PDA3505 which is android 6.0 and have written a kotlin application for it. To print something (it has a thermal printer) it needs to fetch print data from the server, which in hindsight works normally on Wi-Fi but when I switched over to the local mobile internet it started giving me SocketTimeoutExceptions. (and it has to be on the local mobile internet) The code used to create OkHttpClient: private var httpClient: OkHttpClient = OkHttpClient().newBuilder()...

How to add a gradient to an arc in Jetpack compose? I'm trying to create an Arc in jetpack compose and apply a sweep gradient to it but i'm having trouble making the gradient color start from the beggining of the arc(left) to the end of it(right) this is my arc and gradient val gradient = Brush.sweepGradient( colors = listOf( Color.Green, Color.Yellow, Color.Red, ) ) drawArc( brush = gradient, startAngle = -230f, sweepAngle = 280f, useCenter = false, style = Stroke(4.dp.toPx(), cap =...

How do I use material icons in my Android Studio project, using the material dependency? I don't know how I use the material icons provided by Google can be used in my project. For example, lets say I want a reference to the chat icon: https://fonts.google.com/icons?selected=Material+Symbols+Outlined:chat:FILL@0;wght@400;GRAD@0;opsz@48&icon.query=message&icon.platform=android I have this dependency:...

NFC scan not working after pinning screen and turning screen off and on I've got a problem with my NFC-login functionality. The following problem occurs; When I scan an NFC chip when I start my activity, the app triggers the NfcAdapter readerCallback. This is how it should work. When I pin the app however, the functionality doesn't quite work how it should. It does scan the NFC chip correctly after pinning, but the moment I turn off the screen for around 2 seconds and turn it back on, the app wont scan any NFC chips anymore. I've tried restarting the activity,...