How to remove the badge from created shortcut icon in android app? How to remove the badge in app shortcut icon in android? When I create app shortcut programmatically, along with the icon specified for shortcut, app icon comes at the bottom corner of the icon. How to remove this badge from icon. ShortcutManager shortcutManager = context.getSystemService(ShortcutManager.class); if (shortcutManager.isRequestPinShortcutSupported()) { ShortcutInfo pinShortcutInfo; pinShortcutInfo = new ShortcutInfo.Builder(context, "icon")...

Connect to specific bluetooth device [Kotlin] I'm, quite new to this ble stuff, I found this piece of code that shows a list of ble devices. However I'm trying to make it so that it connects to a specific device. Any guesses on what kind of options I have? private fun onBluetoothEnabled() { val bondedDevices = bluetoothAdapter?.bondedDevices if (bondedDevices != null) { val bondedAdapter = ArrayAdapter( this, android.R.layout.simple_spinner_item,...

build.gradle on project level has a new format in Android. How to change my existing gradle setup to a new one? I have been away for a year for developing Android apps. I noticed the build.gradle of project level has a new format: FROM: // Top-level build file where you can add configuration options common to all sub-projects/modules. buildscript { ext.kotlin_version = '1.3.61' ext.retrofit_version = "2.6.0" ext.coroutines_version = "1.3.0" ext.room_version = '2.4.2' ext.glide_version = "4.8.0" ext.nav_version = '2.4.2'...

Is there findFirst with position in predicate in Kotlin I need to find first element in a list which fits predicate. But I need to check with it position in predicate. list.findXXX { index, item -> index > 19 && item.active } Is there such a function?

Null pointer exception in Kotlin (IntelliJ) Here is what I am trying to do, I want the user to enter whatever number and it should be displayed, but I am getting this error.

Best way to mock http server in spring boot with kotlin [2022] I want to test an http repository, and to do so I need to mock an HTTP server. I found this resource that goes over on one way to do so in spring boot, however, it's from 2020. I am not saying it's necessarily a bad or outdated approach, but I wanted to know if there is a more preferable or a kotlin specific way to mock HTTP server now. Any help would be appreciated.

Android - How can I make my custom view fill the whole screen? I have a custom view named FloorView. I want this Floor view to be occupying the whole screen, and I need this dynamically (maybe match_parent). I don't want to hard code the size of the view. I've tried doing this in FloorView.kt private val rectangle = RectF( ViewGroup.LayoutParams.MATCH_PARENT.toFloat(), ViewGroup.LayoutParams.MATCH_PARENT.toFloat(), 0f, 0f) I was thinking I could use the match_parent attribute, and match the ConstraintLayout of my MainActivity, but...

Empty response body when parsing API with Retrofit and Gson I used Retrofit and Gson on this project. I'm trying to login where I should get a response of the user id, faunadb_token, and also data list filled with user data. "body": "{\n \"content\": {\n \"id\": \"328803596056396364\",\n \"faunadb_token\": \"fauna fnEEnk81KUACTwSP8HIOwApJqbjNg-u4fqC9q6Da2FvPTP2esYs\",\n \"data\": {\n \"name\": \"test2\",\n \"email\": \"bowner@gmail.com\",\n \"role\": \"admin\",\n \"organization_id\":...

How to create following types of layout in android I have tried using ProgressBar or SeekBar but how to add left cut on one side and right side also

How can I pass variable of "phoneNumberState.value" from ScreenA to ScreenB in jetpack compose? I have one variable in screen A as val phoneNumberState = remember { mutableStateOf("") } and I want to pass this argument to screen B, so I try to do it on internet, there is some example, I confused how to apply, is there easy way for it? navigation: @OptIn(ExperimentalPagerApi::class) @Composable fun Navigation( startDestination: String ) { val navController = rememberNavController() NavHost(navController = navController, startDestination = startDestination) { composable("screenA"...

How to use Lambda function in Android In my application I have RecyclerView adapter and I want when click on Items, send some data to parent. I want send model and string. I write below codes, but after use show me error and I can't use this! Lambda function in adapter : private var onItemClickListener: ((UserEntity) -> Unit)? = null private var actionType: String? = null fun setOnItemClickListener(listener: (UserEntity) -> Unit, type: String) { onItemClickListener = listener actionType = type } Use this function...

How do add a database in an existing android application How do i add a database to an already existing android application .is there any possible way to create a database add it in the existing android application and it uses the application

How to extract the buffer data while recording videos in CameraX Android I am just facing a small issue while recording videos in CameraX using "Video Capture", I don't want to directly write the data into a file, instead, I wish to extract the buffer data, do some actions on it and then write that into a file. How do I extract the buffer data of the video? I would be obliged if someone could help me with this

Kotlin - categorized subenums I am trying to implement a Role class/interface/enum that I can use throughout my program. I want the roles to be somewhat categorized - I want some roles to be of type A, some roles to be of type B, and some roles to be part of multiple types. I want to be able to know all the roles from each type - so an enum/sealed class structure is the idea. I tried the following implementation - sealed interface UserRole { val roleName: String } enum class RoleA(override val roleName: String):...

Floating Action Bar (not button) in Android I am working on Floating Action Bar on top of keyboard if user clicks on one of the EditText. I couldn't start on it and that's why not have any code to present. I am confused on how to approach this problem. I am considering to use bottom sheet but I am still not getting confidence on it (I think android should have something better to use as base for this view). I don't need any code snippet but need a direction. I am new to Android and before jumping to implementation, I needed a direction...

How to set onItemTouchlistener in recyclerview in kotlin I want to perform some action in onTouch event of recyclerview item, in kotlin, but i am not able to do that. Please help.

SurfaceViewHolder.setFixedSize(width,height) not setting size to video saved in gallery I want to set the video aspect ratio to 1:1 capturing during android media recorder. Im using holder.setFixedSize in onSurfaceChanged method override fun surfaceChanged(holder: SurfaceHolder, format: Int, w: Int, h: Int) { // If your preview can change or rotate, take care of those events here. // Make sure to stop the preview before resizing or reformatting it. if (mHolder.surface == null) { // preview surface does not exist return } // stop preview...

Assertion fails on object copied using Kotlin copy This is a problem that has been really puzzling. For some reason, equals method fails here: val newItem = testPlaylistItem.copy(id = returnedItem.id, index = 0, updatedAt = newPlaylistFromDb.updatedAt) assertEquals(newPlaylistFromDb, newItem) As you can see, I'm just overwriting some properties that I know that change and I can't control (id isn't known since it's generated by the persistence and index and updatedAt are internally generated). Basically what I'm doing is ignoring them for the...

How to create iOS style SwitchCompat in Android I want to create iOS style of SwitchCompat in Android like in the image above. I have tried with replacing app:track and android:thumb. However, I found out that I can't set a track width that is smaller than 2x of thumb width. Below screenshot is my attempt at Android. You can see the switch track is significantly wider than native iOS Switch. <a href="" rel="nofollow...

Android resources.getColor() freezes code I need to add views to LinearLayout dynamically on POST request finished inside a fragment. Here is my function that creates and setups the view and returns it, then I add it to the chatsRoot via addView() method. No exceptions, but views are not added. After some debug I noticed, that in logcat there is only one message "Banner created1" and no message "Banner created2", like if the program freezed on loading the color resource. Log.d("VIEW", "Banner created1") // appears in logcat val...

Android: Custom background - rectangle with a circle cutting in the middle I'm trying to implement this view As you can see it had a circle cutting to the left and right of the rectangle I tried to use this code but the result was not showing the cutting circle to the left and right Is there any...

how to open a byte array as a file in it's own dedicated app [VLC for mp4,etc] without saving it locally? I'm building an app which encrypts a file and saves it in the encrypted format such that it can be opened later when required. While opening, the encrypted file is taken as a byteArray and decrypted into a new byteArray. Now, what I want is to open this new byteArray as a file keeping it's extension in mind and opening it in its dedicated app like VLC for video, any audio player for audio files, google docs for word files, etc. If possible, I don't want to save it to the device storage due to...

Use a object before initialized as other object argument I'm new to kotlin and I know that nullable are something I should'nt use as much as I would want too. So I was wondering if something like that would be possible. class Header(var next: Trailer) class Trailer(var prev: Header) fun main() { lateinit var trailer: Trailer val header = Header(trailer) trailer = Trailer(header) } Thank you for the time used to answer my question!

How to test private val callback in kotlin using mockito and robolectic? I have a private val callback, using reflection I can take the value but how to access and test the override functions and inside the functions handler is present. So here I want to test the override and handler. Using mockito and roboelctric. private val mMediaControllerCallback: MediaControllerCompat.Callback = object : MediaControllerCompat.Callback() { override fun onPlaybackStateChanged(state: PlaybackStateCompat) { mHandler!!.post { if (state !=...

How do I get and implement these animated icons in my application? From where do I get these animated icons and how can I implement them in my app? Example

Regex doesn't change string I want to remove all symbols that aren't letters or numbers, but my string isn't changed. fun main() { var testStr = "Hello, World 2022!" countWords(testStr) } fun countWords(input: String) { val regex ="""^A-Za-z0-9""".toRegex() val inputChanged = input.replace(regex, " ") println("changed input: $inputChanged") }

MediaBrowser not resuming audio but starts it from the beggining I am building an application that includes a media browser in order to play audio tracks. Whenever I want to start an activity from a fragment wanting to display a media player showing the track already playing from the fragment, the track starts from the beginning instead of resuming playing. I haven't figured out yet why. Here is my activity code: import android.content.ComponentName import android.net.Uri import android.os.Bundle import android.support.v4.media.MediaBrowserCompat import...

How to restrict Cut, Copy, Select &amp; Paste option in Android when double tap or long click the edit text view? I have checked several ways and the below is one of them that I checked. I also checked with android:longClickable="false" and android:textIsSelectable="false" in xml file. It needs to work in all the OS versions. val callback: ActionMode.Callback = object : Callback, ActionMode.Callback { override fun onCreateActionMode(mode: ActionMode?, menu: Menu?): Boolean { menu?.apply { removeItem(android.R.id.copy)...

Android - How can I zoom in on a custom View I made using Kotlin? I have a FloorView, and within this FloorView I'll be filling it with RoomViews. Every floor has rooms. I want a functionality that can allow the user to zoom in on the floor, and see the rooms up closer. Think of it as Google maps. The earth is the floor, and the buildings/road are the rooms The floor is huge, will have many rooms, that's why I want the ability to zoom in. How can I achieve this? I want the zoom functionality to be the exact same from Google maps; using two fingers I have...