How to display option menu without three dots android? Need to remove three dot menu Usual behaviour: When we create option, we usually have three dots and when we click three dots button, option menu will be displayed. I have button on bottom too. When I click the button, option menu is diplaying My Requirement: When we create option, how to display option menu without three dots. Because I have button on bottom and when I click the button , option menu is diplaying. But I need to remove only three dots.(hamberger menu)

root directory (External Storage) in Android 11 How to create a folder on the root directory (External Storage) in Android 11 or Android R (Kotlin) Currently able to create an App folder in Public Directory e.g DIRECTORY_DOWNLOADS, but not able to create an App folder in File Explorer on root. What would be the solution ? val relativePath = "${DIRECTORY_DOWNLOADS}${File.separator}${"AppName"}"

Spring. Why is NativeQuery for OneToMany ignored? I need to take not all schemes, but only the earliest added one. If you run this query separately in the database, then everything is ok, it returns ONE record with one schema. But if you start spring, then by calling this method, it still returns all internal records, all schemes. As if it is ignoring my query. What am I doing wrong? I am sorry that the code is in the screenshots, there is no way to attach it in text. <a href="" rel="nofollow...

How to get value from range slider on every change in android studio? I am using method to get values from range sliders, but it is is not updating my textview on every change. rangeSeek.addOnChangeListener { slider, value, fromUser -> changeDateValueForText(slider.valueFrom.toInt(),slider.valueTo.toInt()) }

Classifier ‘User’ does not have a companion object, and thus must be initialized here I wish to add a profile image near every message sent in my group chat app. the image views are already present an everything is working well, but I don’t seem to get the logic in adding the image. What should I do? below is the code: override fun onChildAdded(snapshot: DataSnapshot, previousChildName: String?) { val chatMessage = snapshot.getValue(ChatMessage::class.java) if (chatMessage != null) { chatMessage.let { Log.d(TAG, it.text) } if...

How does Kotlin store the data for a list? I'd like to know how Kotlin stores data in a list. I've read the source code of both the function listOf and the interface List, but I haven't been able to find where the data is stored. For example val list = listOf(1,2,3). What kind of storage is used to store the three numbers? Thank you for reading.

Solved duplicate classes, getting unresolved reference as side effect I need to implement the google vision classes, but they conflict with my other firebase classes on the dependency of protobuf and grpc. So, I end up with a gradle file that looks like this: dependencies { implementation platform('com.google.cloudlibraries bom20.9.0') implementation ('com.google.cloud:google-cloud-vision') { exclude group: 'com.google.api.grpc' exclude group: 'com.google.protobuf' } implementation("com.google.guavaguava30.1.1-android")...

Can't access file with intent by passing its uri / UID 10153 does not have permission to content:// I have an mailbox type application with attachments attached to messages. When you download an attachment, you can open this attachment via intent with its uri passed. The uri looks like this: "content://com.android.providers.downloads.documents/document/13". I save the downloaded attachments to shared preferences by converting the object containing the path and attachment ID to JSON with GSON and storing it as a string, so I can fetch the list when accessing the application again, so I don't...

What is the difference between defer() and defer{} I am studying RxKotlin and the question arose: what is the difference between defer() and defer{}

Can anyone here help me to identify this programming language? I just saw one website regarding Excel generation using Apache POI. And I am not sure about the language they used. So, could anyone help me here? They imported java io and util packages so I think it might be some jvm language but I am not sure. I am not familiar with any of the jvm languages so need help here object TestExcelGeneration { private val rowNumberValues = Seq(10000, 50000, 100000, 200000, 500000, 1000000, 1048575) private val streamWindowValues = Seq(100, 200,...

How to disable or Blocking 3rd party keyboards android Hey I want to disable the use of 3rd party keyboard in my own app. I can't find anything related to this on the internet. Can someone know how to achieve this? Thanks in advance

Write a program in Kotlin to find x to the power n (i.e. x^n). Take x and n from the user. You need to print the answer Write a program in Kotlin to find x to the power n (i.e. x^n). Take x and n from the user. You need to print the answer.

How to check if the user already exists on sign in using Firebase Phone Auth in Kotlin? Following is the code that I have created to check whether the user already exists when a user signs in using his phone number and accordingly do the next step. If the user does not exist with the same user ID, then send him to complete the registration process else send him to the dashboard. It is working without errors but I just want to know that whether I am doing it right or wrong, or if there is any drawback doing so. fun checkIfUserAlreadyExist(activity:...

How to keep fragment in activity during orientation change? I have framelayout in activity and two fragments that I need to attach it to the activity. When I attach one fragment and change orientation, my fragment gest destrotroyed with activity. How to keep the state of fragment inside activity?

How to access fields of a Generic type in Kotlin? I have a Generic class. class GenericsClassExample( var data: T ) I have another class which I'm passing in place of T. data class MyDataClass1(val id: String, val value: String) And I'm instantiating Generic Class like : val genericClass = GenericClass() I would like to know how to access the fields (id and value) from genericClass object without knowing the type of the class I'm passing, i.e. I could also pass another class like MyDataClass1 say MyDataClass2 which also has its...

How to pass a parameter from method in DAO to SQL query? @Query("SELECT DISTINCT number FROM ${DBTables.SAVED_INPUTS} WHERE number LIKE ':input%'") fun getSavedInputs(input : String) : List This is not working though... I want to pass in that input from method to my query

Resolving third party cocoapod dependencies in Kotlin MPP I am trying to setup a tracking library written in Kotlin Multiplatform to support all our mobile clients. Tests for Android went well (integrating snowplow via gradle). I also managed to integrate Snowplow via cocoapods into the MPP. kotlin { ... cocoapods { ... pod("SnowplowTracker") { version = "~> 1.3.0" } } And wrote following class in the X64 sourceset: import cocoapods.SnowplowTracker.* import com.kaiahealth.tracking.domain.model.*...

BigQuery TableResult casting options How can I cast the TableResult to the following format List Map contains the columns and its value respectively. Multiple rows are added to the list. I tried something like this, but it throws an error -> com.google.cloud.bigquery.TableResult cannot be cast to java.util.List val queryConfig = QueryJobConfiguration.newBuilder( modSql ) .setUseLegacySql(false).build() val queryJob =...

When should you block / subscribe to a Mono/Flux? Say you have some fluxes and monos val people: Flux = repo.getPeople() val peopleCount: Mono = people.count() and from e.g. a WebFlux controller you return a Mono: data class Response( val people: List, val personCount: Int ) Where is the appropriate place in an application to resolve the flux and the mono to a List and Int respectively? Do you just block() everything? Is there a way to get the framework to resolve everything?

Android Button Text Shifts Left When Tapped I currently have a custom view with two buttons. The custom view layout is and the custom view class package com.example.project.views import android.content.Context import android.content.res.TypedArray import android.util.AttributeSet import android.util.TypedValue import android.view.LayoutInflater import android.view.View import android.widget.LinearLayout import androidx.appcompat.widget.AppCompatButton import androidx.core.content.ContextCompat import...

Please suggest to improve string builder in Kotlin (Android project) Please suggest improvements on this code. I want to achieve is: 51.42ºN, 145.20ºW. Also it would be great if any tool is recommended or online code analysis. var formattedString = StringBuilder() if (latitude.toDouble() < 0) { formattedString.append(String.format("%.2f", (latitude.toDouble() * - 1))) formattedString.append(0x00B0.toChar()) formattedString.append("S, ") } else { formattedString.append(String.format("%.2f",...

How to identify and extract the signature from a document image on android well, i'm developing a native android app using kotlin in which the app captures an image of a document, performs a pre-processing using the opencv lib to "scan" and just crop the document from the rest of the image. The idea is to make the application identify and extract the signature from the scanned document photo. I come here to find out how I can do this second step of the algorithm, because searching I didn't find any algorithm or material that would help me to carry out the...

Android studio cant find my specific binding Im trying to implement databinding into my app. For some reason, android studio finds a generic "viewdatabinding" instead of my ActivityMainBinding. this is my mainactivity: class MainActivity : AppCompatActivity() { private lateinit var binding: ActivityMainBinding override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) binding = DataBindingUtil.setContentView(this, R.layout.activity_main) } } this is my activity_main.xml and...

Realm Flowable query filtering by the current date Context I'm working on an offline first app, and I'm basically working on a screen that is supposed to show a list of store offers - discounts, coupons, things like that - I'm trying to rely on Realm queries via Flowables to fetch the data, and I want the app to be 100% honest with what we have on the Realm DB. I mean, that if something changes in the database the app should immediately refresh the UI, that's why I'm using Flowables. Problem This approach has been working fine so far, but...

How do I create a button that when clicked, expands into a body of plots or text? I want to create a series of buttons that when clicked, expands into a plot of body of text. Not sure how to go about making this.

Approaches to Sometimes Loading Images Into RecyclerView Layout I have a RecyclerView that loads a list of posts from an array. Sometimes the posts will have an image URL and I would like to show the image in the ViewHolder if it has one. I would really like to reuse the same layout file so that changes are easy to make and post containers look identical. What is the best approach to do this? I have three solutions in mind. Create an ImageView in the ViewHolder's layout file with a height of 0dp and change the height if an image needs to be loaded....

Using ViewBinding on an ArrayAdapter I'm trying to refactor my app to use ViewBinding. I've gone through all the fragments and activities; however, I have an ArrayAdapter that I'm unsure of the proper convention to use view binding to prevent memory leaks. What is the proper way to use a viewbinding in an ArrayAdapter? I have been using this method for fragments: private var _binding: BINDING_FILE_NAME? = null private val binding get() = _binding!! override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,...

AES/GCM PBKDF2 Encryption for Kotlin and Dart I am attempting to use GCM encryption with PBKDF2 that is interoperable across both kotlin and dart. Decrypters will come next. Currently I am using a "working" kotlin version (below) and I want to replicate it in dart (my attempt below that) if it is correct. See below Kotlin version (Notice log results provided below respective lines. Outputs are suspect.): Also note: These examples use different masterpass inputs. Simply seeking proper function. KOTLIN: fun encrypt(input: String, password:...

Does IntelliJ provide someway to check if two methods are really called in parallel when used kotlinx.coroutines.async I am trying to call at same time (parallelism) two diferent endpoints. For reach that I decide to use coroutineScope and async. Here is the basic implementation: suspend private fun myMethod(): List { return runBlocking { listOf( async { method1() }, async { method2() } ).map { it.await() } } } Method1 and method2 are simple request to diferent endpoints. Method1 can be called in the same time as method2 because they are completly independent....

Wait with launching coroutine as long as first one is not finished. Synchronization mechanism I am learning android development and I decided to build a weather app using api that comes from service named open water map. Unfortunately I’ve got the following problem: In order to get the weather data for wanted city, I first need to perform request to get the geographical coordinates. So what I need to do is to create one request, wait until it is finished, and after that do another request with data that has been received from the first one. This is how my view model for location looks...