GetStream.io filter activities by an extraField I have some posts in a feed, with an extra field like "moderated":0 or 1 I need to get the activities where extra field "moderated" = 1 only Is tehere any filter on that? Thanks

Send pressure senor data from Arduino to my android studio project by a BLE connection Looking for help - I have writing a project that consists of a BLE connection between my android studio project and an arduino board. My knowledge of bluetooth in close to null. I do not know how to scan for the arduino device and read data. Can you help? I'll try to explain the project as best as possible I have a piezo sensor that's connected to an arduino board. I have written code successfully to determine how much pressure is applied every second. The arduino supports BLE...

I upload a image to firebase storage but it give me an error, please check the code I upload image to firebase storage, but continuously I am failing to solve the error. The error is type mismatch Required:Task! , Found:Unit! . So what happened with my code for such an error to occur. private var storageRef : StorageReference? = null private val RequestCode = 438 var imageUri : Uri? = null storageRef = FirebaseStorage.getInstance().reference.child("User Images") private fun uploadImageToDatabase() { val progressBar = ProgressDialog(context)...

Firebase - Read User Information from Real Time Database During Email/Password Authentication Login Procedure I have created a simple User data class: data class User ( @get:Exclude var id: String? = null, var name: String? = null, var colour: String? = null ) and View Model: class UserViewModel : ViewModel() { private val dbUsers = FirebaseDatabase.getInstance().getReference(NODE_USERS) private val _users = MutableLiveData() val users: LiveData get() = _users private val _result = MutableLiveData() val result: LiveData get() = _result fun...

How to run lambda function passed to a mockked method? I wonder whather it's possible to run a lambda function passed as a parameter to a mocked function. And run it whenever the mocked method is called. I am using Mockk and I imagine the code to be something like this: class DataManager { fun submit(lambda: (Int) => Unit) { ... } } ... val mock = mockk() every { mock.submit(lambda = any()) }.run { lambda(5) } In my real implementation the datamanager calls a server and runs the lambda as a callback when it recieves a successful...

Activity recreated after asking permissions I've been facing this problem. I have a fragment with a switch view --> When this switch is clicked I call a viewModel method that ask for the required permission to enable this switch. The problem is that every time I ask for permission and allow or deny, the activity is recreated and the fragment that has the switch dies, showing up the first fragment of the activity flow (which we can call the 1st fragment of the feature) I've tried using onSaveInstance state but it wasn't clear to me...

how to save response to room database correctly? Hi all I am developing news app I have implemented room database with kotlin coroutines what I want to achieve I want to fetch data first then that respose I want to save to room database but data not showing at all below my database implementation @Database(entities = [Article::class], version = 1, exportSchema = false) @TypeConverters(SourceTypeConverters::class) abstract class SportNewsDatabase : RoomDatabase() { abstract fun sportNewsDao(): SportNewsDao companion object {...

Adding several markers on Google Map from LiveData Does anyone know if there exist any kind of Adapters or something that could take my LiveData as input, and make markers in the Map. I'm struggling to find something helpful. I did find MapMe (dependency), but that one was really complicated. This is how I observe the LiveData (from Room Library) in my MainActivity: placeViewModel!!.allPlaces!!.observe(this, Observer { places -> // Update the cached copy of the words in the adapter. //Send to adapter, notify })

Optimize imports on the fly for all projects in Android Studio/IntelliJ 🤖 Is there a way to optimize imports on the fly for all projects, not just 'for current project' in Android Studio/IntelliJ. Expected: Optimize imports to be enabled when opening an existing project and/or when creating new projects. The current IntelliJ documentation, Auto imports, does not provide a solution. <a href="" rel="nofollow...

How to make custom autolink recognizer for TextView? I'm getting text with this link [id789526856|Adam Nukedev] where the first part is user's identifier and the second part is user's first and last name. I want to make this specific link autolinkable. TextView can autolink web links, emails, phone numbers, etc. But how to add custom autolink parser? There's no matter, Java or Kotlin, I just need only way how to do that with AndroidX.

AES Encrypt Text in Java/Kotlin and AES decrypt in Crypto-js javacript/typescript So now i can encrypt in Node -> decrypt in Node encrypt in Node -> decrypt in Java/Kotlin BUT, I don't do this encrypt in Java -> decrypt in Node I have this code in server to encrypt and decrypt // Cryto.ts import * as CryptoJS from 'crypto-js'; export function encrypt(text: string, secretkey: string) { let encrypted = CryptoJS.AES.encrypt(text, secretkey); return { data: encrypted.toString() }; } export function decrypt(text: string, secretkey:...

TextView as a Progress Bar in Kotlin I am trying to replicate the TextView as progress bar described in this question using Kotlin, overriding the TextView class and using the canvas clipping trick in Zielony's comment. The code almost works: I can see the text change color at the specified percentage (fixed, for now) but the background stays the same (yellow, the last background color I set). Here's my...

Indexed access operator overload for a MutableList member in Kotlin This is my scenario, I have 2 MutableList members, the first for storing String (called sl) and the second for Any (called objects), both are stored at the same time, and I need to access the the values in the objects through the string value stored in sl, maybe an example is more clear: myStringList.objects["keyname"] = "keyvalue" var tmp = myStringList.objects["keyname"] I have been trying to overload the indexed access operator for a MutableList, but I get this error: Type mismatch:...

Android Studio build error: Can't load a class I didn't even do anything to the app and it gave the following error: Caused by: java.lang.NoClassDefFoundError: org/jetbrains/kotlin/annotation/plugin/ide/AnnotationBasedPluginModelBuilderService I'm using Java and API 21, and is on Windows OS What I've tried: Deleting .gradle Deleting the entire project Changing the jre used for build to the jdk I installed on my computer, which is JDK14 Aand it doesn't work. Any help appreciated!

Firebase orderBy timestamp not actually ordering I have a query that orders by my timestamp value in my server, the currently timestamp is set by my pojo as a date data class Timestamp(@ServerTimestamp val timestamp:Date? = null) This timestamp is place in firestore as But when I do my fetch code val snapshot = FirebaseFirestore .getInstance()...

Android Visibility bug with Activity Transition animation Sample Project: https://github.com/PenguinDan/VisibilityBug The weird bug I am getting is pretty straight forward. This bug involves Databinding and Activity Scene Transitions working in tandem. When I transition from MainActivity -> SecondActivity, you will see a ProgressBar, wait 2 seconds for it to disappear. (The code to do that is in SecondVM class). Simply go to your phone's home screen and return the...

how to use regular expression to find a complete method call of kotlin In my projects, I want to replace all obsolete api calls to new api, so I want to use regex to find all obsolete api calls at first. I want to match the whole sentence because I want to extract actual parameters to place them to proper position in new api call sentence. Suppose I have class of Log object Log { fun i(tag: String, message: String) { } } In a.kt file, there are two Log's method calls, for example: Log.i("Main", "id: " + String.format(Locale.getDefault(), "%02d",...

I have a problem when trying to run my Android application with firebase I linked my Android Studio project with Firebase, but when I try to run the app, I get a build error. Manifest merger failed : uses-sdk:minSdkVersion 14 cannot be smaller than version 16 declared in library Suggestion: use a compatible library with a minSdk of at most 14, or increase this project's minSdk version to at least 16, or use tools:overrideLibrary="com.google.firebase.iid" to force usage (may lead to runtime failures) Can someone help me with the solution?

Problem with the activity creation in Kotlin (Android) I'm having an issue with an app in Android I'm creating. When the activity with its fragments is created data are not showed in the activity. I have to reload the activity a second time to have the data in their place. Then, every time I change data, I have to reload always a second time to have data shown properly. I understood that I have to handle data before creating the view, but don't know how. This is the code of the main activity: package com.example.example import...

Print a web page from a webview I made an app that is just a webview showing a website, at a certain point in my website I have a button that prints a div via javascript, as it is it doesn't work, how can I make it possible?

Email length the label in the input is too long [closed] hope someone can help me. Thank you this is the email I use for the test case aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa@bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb.co.jp and the error is the label in the input is too long. "There is a length limit on email addresses. That limit is a maximum of 64 characters (octets) in the...

What's the point of use in Kotlin I'm trying to use the inline function use with a FileInputStream instead of the classic try/catch IOException so that try { val is = FileInputStream(file) // file handling... } catch (e: IOException) { e.printStackTrace() } becomes FileInputStream(file).use { fis -> // do stuff with file } My question is why use function use if it stills throws exception ? Do I have to wrap use in a try/catch ? This seems ridiculous

How to disable the "Hypersistence Optimizer" Banner when using hibernate-types-52 in Spring Boot? I use the com.vladmihalcea:hibernate-types-52 dependency in my Spring Boot Project. And I notices that on application boot, some large log messages where added: 2020-04-09 114359.535 WARN 3465 --- [ main] Hypersistence Optimizer : You should use Hypersistence Optimizer to speed up your Hibernate application! 2020-04-09 114359.535 WARN 3465 --- [ main] Hypersistence Optimizer : For more details, go to...

How do apps like Whatsapp receive messages in the background starting from Android 10? As far a I understand, starting from Android 10 apps are no longer able to run services in the background, when activity is closed, unless the developer started a foreground service WITH the notification constantly existing. This is done with logic that user must be able to see what's happening and kill it if needed. So how do they receive messages (after user closes Whatsapp) with no services running? I don't see any foreground services in my notification bar

Detect when the item is off the RecyclerView I'm trying to stop a video when it reaches out of the Recyclerview and the issue is that even scrolling the first and last visible positions are aways the same. How can I detect if an item has been scrolled off the recycler view? myRecyclerView?.addOnScrollListener(object: RecyclerView.OnScrollListener() { override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) { super.onScrollStateChanged(recyclerView, newState) val first =...

How to join multiple observables in rxjava How to join multiple different observables and subscribe from viewmodel? I am using single source of truth principle, so firstly I get data from db then load data from webservice and finally save all data to the db. For that I used rxjava, room, dagger2, retrofit libraries. But there was a some problem. I must to get multiple list from webservice and save each list to database. I try some solution, but this code replies the same request multiple times Api.json { "data": { "ad": [...

How to create a video preview? I'm currently working on a project where I get the following object: data class VideosDetails(val id: String, val title: String, val thumbSmall: String, val thumbPreview: String, val duration: String) I receive it in a form of a list, that I pass to my RecyclerView. To display my thumbSmall which is an image I use Glide and it's working well. I'd like to make a video preview using the...

Execution failed for task ':app:mergeLibDexDebug' I have added 3rd party Apache POI JAR in my Flutter Android app to achieve some features. But after adding POI library when I try to run getting following error: Execution failed for task 'appmergeLibDexDebug'.

Could not resolve all files for configuration 'appdebugRuntimeClasspath'.

> Failed to transform artifact 'poi-4.1.2.jar (project :poi-4.1.2)' to match attributes {artifactType=android-dex, dexing-enable-desugaring=true, dexing-is-debuggable=true, dexing-min-sdk=21,...

How to remove quotation from certain json value kotlin? I have such json on JS: send({'a': 'value_a', 'b': 'value_b', 'c': c}); where с is array with some data. I have to make similar json for sending it to server. I tried to make by this way: val array = JsonArray() array.add(id.toString()) val testObj = JSONObject() testObj.put("testJson",JSONObject().put("a", "value_a") .put("b", "value_b") .put("c",array.toString().replace("\"", "")).toString()) val finalJsonString = testObj.toString().replace("\\", "") but as a result I...

Is possible execute an operation just after an Activity is closed in Android Kotlin? Basically, I open an another activity "Activity2" from "Activity1". I would like executing "function1" (in Activity1) just after Activity2 is closed. Is it possibile? And How? Intent(this, Activity2::class.java).also { startActivity(it) }