Category "kotlin"

MutableStateflow Value Vs Update vs Emit

Let say I have a MutableStateFlow variable. What is the main differences and usage of the three cases mutable.value = 1 mutable.emit(2) mutable.update {3}

Android studio Composable Preview Render problem

I am having this issue When previewing composable from file. This is the code I made in other kotlin file. package com.example.movieapp.screens.home.details im

Kotlin textview to scroll in both directions

I'm trying to setup a textView in Kotlin to scroll in both directions (ie horizontal and vertical). That is, I want long lines to run off the right side, and us

I am new to flutter and dart so i have being trying to use my phone to test the demo flutter file in android studio but i keep getting this error

FAILURE: Build failed with an exception. What went wrong: Execution failed for task ':app:compileDebugKotlin'. Could not resolve all files for configuration ':

Should I turn my Activities into Fragments?

I went to the YouTube Academy for Kotlin Android Development and created a semi complex app with Google FireBase, I have hit a roadblock in some code using an E

Classifier does not have a companion object, and thus must be initialized here

I have an Activity where an interface is declared and I have a ViewModel class which has overridden interface and want to invoke the method of interface from Ac

How to set multiple alarms in kotlin?

so I'm new to coding and I'm making an app for Muslims prayer times and I want an alarms to be set repeatedly on these times I tried to many things but It does

ViewModel updates on screen rotation

I've created a simple project to study Kotlin and Android architecture https://github.com/AOreshin/shtatus The screen consists of RecyclerView and three EditT

Youtube video playing intent only works if Youtube is not open yet

I would like to send intents for a continuous stream of videos, but all intents, except for the first one (sent with youtube closed) seem to be ignored, and you

Android Notification MediaStyle Ignores Ongoing Flag

I am attempting to employ a MediaStyle notification in an audio Android application as discussed in the audio app documentation as well as in the media style do

Rest Api SSL on tomcat server

Setup: I have setup a front-end(Next.js) and backend kotlin-api. I use Cloudflare with SSL turned full on. I have setup SSL using certbot on both of these. This

I cannot concatenate a variable + string + variable this line of code gives me a error "None of the following functions can called with the argument s

I'm a newcomer in this, and I'm learning kotlin in android studio, and I'm stacked in this error, "None of the following functions can be called with the argume

I'm getting an error while generating a signed apk bundle

I have made a simple app in android studio. It builds and runs fine when I test it on an android device, but when I tried to generate a signed apk for the app,

Sum map values in kotlin

I have a map that structure like this: "Alex": [Work(workPlace="workPlace", years=1), Work(workPlace="workPlace", years=4), Work(workPlace="wor

Which openssl keypair gen command produces a password-less private key that I can read in Java 17?

Burned better part of a day on this. Google says use PKCS#8 format for the private key, so I issued command (alpine openssl 1.1.1o) $ openssl genpkey -out my.p

Build complex PDF in kotlin [closed]

I want to create "complex" (footer, header, cells and pictures) pdf for my android application (kotlin). I've seen some people already asked f

download url is getting as com.google.android.gms.tasks.zzu@441942b : Firebase Storage

i have checked available resources and yet either i get error or at best i get com.google.android.gms.tasks.zzu@5f9a842 as the uri Following this latest google

How to implement a custom view in a RecyclerView using a BindingAdapter

Can anyone help me to use a custom view (AAChartCore-Kotlin, ChartView) in a RecyclerView (displaying some speedcubing sessions' data) using a binding adapter?

Android Kotlin findViewById must not be null

We have created a custom alert dialog that was used in a Java project by converting it to Kotlin The error posted below java.lang.IllegalStateException: findVi

How to use Parcel.readTypedList() along with @Parcelize from kotlin-android-extensions?

I'm running into a problem with implementing Parcelable-based state persistence in a View. Namely, as I need to implement the methods of BaseSavedState like thi