Android app crashes when using these two together - OkHttpStack AND firebase firestore dependency Android app crashes when i run these two things together - OkHttpStack as base stack for new request queue in volley and firebase firestore dependency in gradle ('com.google.firebasefirebase firestore17.0.5') Gives me this error, maybe firebase firestore dependency already includes okhttp dependency that's why this coming or maybe its not, but if this is the case what to be done or how to exclude it? or Otherwise i am not getting what the error is, please suggest a solution. Thanks...

Android Kotlin Testing. lateinit property _db has not been initialized My code: abstract class DbTest { @Rule @JvmField val countingTaskExecutorRule = CountingTaskExecutorRule() private lateinit var _db : AppDatabase val db: AppDatabase get() = _db @Before fun initDb() { _db = Room.inMemoryDatabaseBuilder( InstrumentationRegistry.getInstrumentation().context, AppDatabase::class.java ).build() } @After fun closeDb() {...

IllegalArgumentException when calling Tile#updateTile() in TileService#onStartListening() Some users of my app are experiencing a crash I cannot reproduce. It is just a small percentage of the users which are receiving this crash, but currently it is the largest crash in my app, which I would like to solve. This is the stack trace I received in Firebase Crashlytics: Fatal Exception: java.lang.IllegalArgumentException: Service not registered: com.android.systemui.qs.external.TileLifecycleManager@775810d at android.os.Parcel.readException(Parcel.java:1947) at...

Import external css in a Kotlin React app I want to use css library like bootstrap/material inside my Kotlin-React app. Is there a way to import those external css libraries? There is a Kotlin-Styled wrapper but not sure how to use it to import css.

Rocket Chat build successfully throwing error on run I am not getting this errors, when i run rocket chat source code after successful build it giving me following error: Here's [https://github.com/RocketChat/Rocket.Chat.Android] reference source code link. error: State is not public in kotlin.collections; cannot be accessed from outside package private final java.util.concurrent.CopyOnWriteArrayList> statusChannelList = null; error: State is not...

Integration tests with Gradle Kotlin DSL I'm using this blog post to configure integration tests for a Spring Boot project, but I'm pretty stuck on declaring the source sets. I also found this post on StackOverflow, but I think I'm a bit further already. My project...

Slow forEach in Kotlin for ranges I used the following code to measure performance of different syntax constructions in Kotlin fun time(what: String, body: () -> Int) { val start = System.currentTimeMillis() var sum = 0 repeat(10) { sum += body() } val end = System.currentTimeMillis() println("$what: ${(end - start) / 10}") } val n = 200000000 val rand = Random() val arr = IntArray(n) { rand.nextInt() } time("for in range") { var sum = 0 for (i in (0 until n)) sum +=...

Expected BEGIN_ARRAY but was BEGIN_OBJECT when using GSON in a JSON with no array name I am consuming the Github API but I am facing the a problem "Expected BEGIN_ARRAY but was BEGIN_OBJECT when using GSON", I am using retrofit ato consume my API and kotlin for developing. I have create a model with the serialization, and a manager to handle API responses as you can see above. This is the JSON I am consuming [ { "url": "https://api.github.com/gists/8ca806eb78108aa2fecef2ab33312444", "forks_url":...

Navigation editor failed to initialize Suddenly, Android Studio started to prompt that to use the Navigation of Android Jetpack is necessary to install a module android.arch.navigationnavigation fragment+.. That is the whole module name. Two problems. One, I already have it installed, version 1.0.0alpha-06 and second, if I attempt to install it will simply say it could not install. The main issue here is that five minutes before this happened I DID use the visual editor of this, but it suddenly went like this. I've already...

Declaring projection in Loader in Kotlin I took up for learning kotlin so I decided to write a simply app using RecyclerView in conduction with database with content providers. Currently I stuck in MainActivity in onCreateLoader method. In java I used to declare projection this way: String[] projection = { WalletEntry._ID, WalletEntry.KEY_TITLE, WalletEntry.KEY_MONEY, WalletEntry.KEY_LAST_DATE, WalletEntry.KEY_LAST_EXPENSE, WalletEntry.KEY_LAST_TRANSACTION_TITLE }; that worked...

Android, Picasso - most of the images don't want to load (Kotlin) I'm trying to build a RecyclerView filled with a card view items. For each item I need 2 small images that I load from URL. Everything works fine only if I load sample image from Picasso website (). Every other picture I try to load doesn't show up. Here's my code; inside my RecyclerViewAdapter, inside the onBindViewHolder() function I'm calling: fun loadImageInBackground(item :...

Repository sends only at second call data back to ViewModel According to this tutorial: https://developer.android.com/jetpack/docs/guide?fbclid=IwAR2vtdeMmmnq6h-zcwTuLLLZcRdhr_pSPr7vT7ZebEL3K3EyR-CobCU07Q0#overview I try to accomplisch Repository Pattern without using offline database or cache. The Fragment observers livedata in ViewModel, and ViewModel fetches data from Repo. Problem:...

IllegalStateException using Google Play Billing Library I'm having IllegalStateException using Google Play Billing Library: com.android.billingclientbilling1.1. This exception happens just sometimes in some particullar case. Something like: for each 500 instalations we got 4 errors. We couldn't reproduce this issue locally. override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) billingClient =...

Improving DSL syntax To start learning design of DSLs using Kotlin language features, I have the attempt below at a toy DSL for creating groups of members with members having names. I am looking for pointers/hints on the following How can I avoid having to separate groups by a semicolon, if no semicolon the compiler gives Groups.kt3145: error: unresolved reference: member val grp = group { member { name ("Bob") } member { name ("Sandy") } } Can i get to use a lambda for setting name instead of...

Spring Boot Data JPA @CreatedBy and @UpdatedBy not populating with authenticating with OIDC I would like to get Spring JPA auditing to work with Spring Boot,I am authenticating with Keycloak using the latest feature of Spring Security. springBootVersion = '2.1.0.RC1' I am following the sample by spring security team https://github.com/jzheaux/messaging-app/tree/springone2018-demo/resource-server ResourceServerConfig.kt @EnableWebSecurity class...

Kotlin coding conventions: Horizontal whitespace In coding convention of Kotlin, in white spaces sections it is noticed that: As a general rule, avoid horizontal alignment of any kind. Renaming an identifier to a name with a different length should not affect the formatting of either the declaration or any of the usages. What does this mean? Renaming an identifier to a name with a different length should not affect the...

Idea keeps switching compile target from 1.8 to 1.6 for Kotlin I am working on a new Kotlin project based on Maven and JDK 8 using Intellij Idea. Everything is great except after each Maven reimport the compile target switches from 1.8 to 1.6 for some reason. I literally tried everything from the 2 best answers to the same problem (though from Java world) but nothing worked for me. I also migrated to Gradle with hope of...

Android styling button with ContextThemeWrapper I'm trying to populate a table at run time with Button elements, which I'm trying to apply a style defined in styles.xml to. 20sp 15dp 5dp wrap_content wrap_content 1 @drawable/gradient_button #FFFFFF false I'm already using this style on some static buttons where I'm able to define style="@style/BlueButtonStyle", so I know that the style itself works. It looks like this: ...

Problem with targetEntity at oneToMany entities in Kotlin I have a problem with entity mapping in the Kotlin. Receives an error when deploying the code on the Wildfly 10 server: org.hibernate.AnnotationException: Collection has neither generic type or OneToMany.targetEntity() defined: crud.entity.Agreement.payments I have seen similar topics on the stackoverflow, but they are java and do not help solve the problem. my entities: @Entity open class Agreement { @Id var id: Long? = null @OneToMany(mappedBy = "agreement") open var...

Modify object inside observable after call additional data I am working with Vk.Api and I am facing with one problem. API providing method to call data about group, but response from this call doesn't contains info about count of members. So I have decided that firstly I need to get info about group and then ask for members count for each group. I want to ask - how should I do it in the proper way ? I have my raw solution that doesn't even working. So here is code example: Api interfaces that I am using to receive data: interface GroupApi {...

Android kotlin - unresolved reference for with(context) inside fragment This is the code: val bitmap: Bitmap = Picasso.with(context).load(bild_1_url).get() I get unresolved reference for with How to solve it? What is that anyway? Can't find anything about it anywhere Thanks in advance

Kotlin copy() function is creating a new Id on a JPA Entity resulting in a new row I have an update method on a spring controller which takes in a request and uses copy to copy the contents into a loaded entity. As soon as copy() is called, the id property on the entity is changed to a new one. @PutMapping("/{id}") fun update(@PathVariable id: UUID, @RequestBody request: UpdateSocietyRequest): ResponseEntity { val society = societyRepository.findById(id).orElse(null) ?: return notFound().build() val updatedSociety = society.copy( name =...

How to change gradle JVM option in IntelliJ I'm trying to convert a maven project to gradle in IntelliJ, so I created a "build.gradle" file then restarted intelliJ so that the "Import Gradle Project window" will appear, but now it's telling me: "Gradle JVM option is incorrect" eventhough I've never set it? it's also saying it's located in C:/Program Files/Java/jdk-10.0.2 which I don't have installed... <a href=""...

Deploying With Ktor: How To Set AppEngine Version? Issue I've followed this clear and concise Ktor tutorial. Now that I have successfully deployed to AppEngine I would like to manually set the version of future deploys. Google's documentation of the appengine-web.xml file indicates the tag can be utilized for this...

android studio do not wrap xml We have read more post than we care to admit so sorry for this question We we are not getting results for our setting changes for Do Not Fold We are using Android Studio 3.2.1 We have changed the Default settings and applications to Do Not Wrap for Value Layout and Other XML The top XML file is what we want the one below it is what we are getting We even close out of Android Studio after the changes Is this a Kotlin Issue we say NOT because we are talking XML only So we give up. The...

Can't build the android project I just upgrade kotlin 1.2.71 to 1.3.0-rc-190 and now I can't compile my project. Is the first time I see this error and I haven't found any solution, please help! The error log: 041156.678 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 041156.679 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] FAILURE: Build failed with an exception. 041156.679 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 041156.679 [ERROR]...

The logistics of getting an existing Android app to iOS via Kotlin Let's say I have an existing app written in Java and I was successfully able to translate it into Kotlin. At this point is it just a straight copy and paste job from Android Studio to Xcode? What I really don't understand is what if my original Android app written in Java makes heavy use of tools from the Android SDK like RecyclerView and whatnot. How could an iPhone app use the same Kotlin code if RecyclerView comes from the Android SDK? Is it even possible to use RecyclerView in Android...

Writing an External File in Kotlin I am trying to write a data into an external file using the below program. Neither getting any error nor output (file is not created too. ) Any help is appreciated. Below is the complete code. Main Class: import android.support.v7.app.AppCompatActivity import android.os.Bundle import java.io.FileWriter class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState)...

Android Google Map and firebase Dependency Issue I am working on maps along with firebase for the very first time and stuck on dependency issue. Please fix the version conflict either by updating the version of the google-services plugin (information about the latest version is available at https://bintray.com/android/android-tools/com.google.gms.google-services/) or updating the version of com.google.android.gms to 16.0.1. However following rest of questions on SO(in order to avoid version conflicts) that update implementation...

Android build fails when using dagger 2.18 with kotlin kapt I am attempting to include in my android project the dagger android processor version 2.18 with kotlin-kapt. I am also using the androidx package structure. I have added all the required dependencies but upon building my project I am getting the below error. [kapt] An exception occurred: java.util.NoSuchElementException at com.sun.tools.javac.util.List$2.next(List.java:432) at com.google.common.collect.Iterators.getOnlyElement(Iterators.java:302) at...