Kotlin binding any view model in the xml? I've implemented data binding and view model in my app, everything works great but I face a dumb issue which actually makes me wonder about re usability. I have a fragment which has a picture and a title from a database that I put in other fragments. It's all bind to the viewModel calling some getters. My issue is I need it in another activity now which has a different viewmodel for clarity and also because I don't need all the livedata from before but I can't really give it the new...

Issue to start another activity after facebook login If anyone can help me start another activity after checking Facebook login in my Android app, I already try to put in different parts of the code an intention and nothing could help after that. I have tried putting the intent in the onSucces () method but it still doesn't work. I leave my code below. class principio : AppCompatActivity() { lateinit var LoginButton: LoginButton lateinit var callbackManager: CallbackManager lateinit var fotoPerfil: ImageView lateinit var Profile: Profile;...

probleam View RecyclerView and Adpter i cant read Date to FireBAse When I try to contact Firebase to fetch the information, it does not give something and gives the value empty. When getting the information, the adapter does not work. i cant read Date to FireBAse When I try to contact Firebase to fetch the information, it does not give something and gives the value empty. When getting the information, the adapter does not work. i cant read Date to FireBAse When I try to contact Firebase to fetch the information, it does not...

Data change in recyclerview after a specific time interval I am displaying a list of data in recyclerview . What I want is to change data in the row after 5 seconds that is clicked by user. I tried using Handlers with notifyItemChanged but it doesn't seem to work or I might be wrong somewhere. On clicklistener: itemView.setOnClickListener { Handler().postDelayed({ listData[position] = updatedModel notifyItemChanged(position) }, 5000) }

Firebase recyclerview always refreshes and losses its scroll position when starting new activity and returning My Firebase recycler view always refreshes and loses its scroll position when opening new activity and coming back. Tried multiple solution in Stack Overflow but none woks for me. Here is my code class HomeActivity : AppCompatActivity() { private var layoutManager:RecyclerView.LayoutManager? = null private var recyclerViewState: Parcelable? = null private var recyclerView:RecyclerView? = null override fun onCreate(savedInstanceState: Bundle?) {...

FileProvider.getUriForFile() crashing app? I followed this youtube tutorial to add a camera button to my app but the app seems to crash when it gets to val fileProvider = FileProvider.getUriForFile(this, "com.example.fileprovider", photoFile) I'm not very sure if it's definately this line but I ran the debugger and it seems to crash here. Full snippet below: cameraButton.setOnClickListener { val takePictureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE) photoFile = getPhotoFile(FILE_NAME)...

Image Asset in Android Studio become weird I am sorry if my question is too bad. I am working on creating image asset in Android Studio but everytime I did it, every icon become weird. I also try to imported another file but it just hit the same thing

How to set default value for data class I create a data binding for my fragment. // fragment_my ... // MyFragment class MyFragment : Fragment() { private lateinit var binding: FragmentMyBinding override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View? { binding = DataBindingUtil.inflate( inflater, R.layout.fragment_my, container, false ) Log.d(TAG, ${binding.myData.item})...

Insert Kotlins ${ } expression while splitting String() in order to add dynamic data after the split Here is an example of a String: val message = "Customer name is $name saved on $date" I needed to find every instance of $variable within the string message and replace it with querySnapShot.get(variable) and that has been answered here Previous Answer. querySnapShot here just contains data from within Firestore listener. Here is the working Kotlin code: val message =...

android app launching error on some devices 06/14 105104: Launching 'app' on Pixel 2 API 27. $ adb shell am start -n "com.wordsforfun.wordsforplay/com.wordsforfun.words.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER Error while executing: am start -n "com.wordsforfun.wordsforplay/com.wordsforfun.words.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER]...

Buildscript classpath has permitted files that were not explicitly permitted I try to rerun gradle script which worked and it started failing with plugins.gradle issue: Starting Build Downloading https://plugins.gradle.org/m2/com/gradle/gradle-enterprise-gradle-plugin/3.2/gradle-enterprise-gradle-plugin -3.2.pom to C:\Users\OriM\AppData\Local\Temp\gradle_download535089769099513009bin Downloading https://plugins.gradle.org/m2/com/gradle/gradle-enterprise-gradle-plugin/3.2/gradle-enterprise-gradle-plugin -3.2.jar to...

getting an IllegalStateException while getting a list of custom type from SavedInstanceState I have a Question class implementing Parcelable that acts as a bridge between myquiz.db and dbHelper class. The thing I have to do is restore the state after the device is rotated. This is the code in onSaveInstanceState(): override fun onSaveInstanceState(outState: Bundle?, outPersistentState: PersistableBundle?) { super.onSaveInstanceState(outState, outPersistentState) outState?.putInt(KEY_SCORE, score) outState?.putInt(KEY_QUES_COUNT, questionCounter)...

In SQLite, "no such table" error has occured I develop an app in android studio using SQLite. This is my DBHelper class(using Kotlin). class MyDBHelper(val context: Context) : SQLiteOpenHelper(context, DB_NAME, null, DB_VERSION) { companion object { val DB_VERSION = 1 val DB_NAME = "mydb.db" val TABLE_NAME = arrayOf("major", "time") val MNAME = "mname" } override fun onCreate(db: SQLiteDatabase?) { val create_table_1 = "create table if not exists " + TABLE_NAME[0] + "(" +...

Running Room Persistence Library queries on coroutines GlobalScope I read that running routines on GlobalScope is bad practice. What am doing now is: class SplashScreen : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_splash_screen) DataBaseHelper.isDbEmpty(this, object : DataBaseHelper.OnCompleteCheckDB { override fun isDBEmpty(result: Boolean) { //handle result } }) } }...

search bar not providing proper result I am trying to make a search bar with edit text which can find the user account from the fire-base. But whenever I am searching for account with names its giving me wrong result . For example : If I am searching for Rahul its showing me Animesh's account. Here is my code package com.example.videoapp import android.annotation.SuppressLint import android.os.Bundle import android.text.Editable import android.text.TextWatcher import androidx.fragment.app.Fragment import...

Can Not create Instance of ViewModel class I am working with MVVM architecture and I don't get it why am I having this error? My other classes have the same structure and they are working perfectly fine. Below i have shared the code for both my Fragment Class and the ViewModel Class along with the error Error E/AndroidRuntime: FATAL EXCEPTION: main Process: com.beyond.sellandtrack, PID: 5380 java.lang.RuntimeException: Cannot create an instance of class com.beyond.sellandtrack.screens.dashboard.DashboardViewModel at...

Fragment not associated with a fragment manager. (Dialog Fragment) I have a dialog fragment, and i make a class for lazy initialization. When i'm showing the dialog, it's showing like normal. but, when i'm dismissing the dialog, it crash caused by : Fragment not associated with a fragment manager. i have tried to postDelayed dimiss too, but still crashing. LoadingDialog.kt class LoadingDialog(private val fm: FragmentManager) : DialogFragment() { override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?,...

Class 'AuthenticationProviderUserPassword' does not implement abstract member public abstract fun authenticate I am stuck in user authentication with micronaut application authenticate function not accepting httpRequest param I'm getting an error Class 'AuthenticationProviderUserPassword' is not abstract and does not implement abstract member public abstract fun authenticate(authenticationRequest: AuthenticationRequest!): Publisher! defined in io.micronaut.security.authentication.Authenticatio Service: package example.micronaut.services import io.micronaut.http.HttpRequest import...

Getting data from ACTION_GET_CONTENT in a Dialog fragment, then send it to another fragment via onActivityResult The idea is to get a file from the Intent.ACTION_GET_CONTENT in a fragment B into a DialogFragment, and transfer it to a fragment A wich is not a part of the DialogFragment. According to this, I'm trying to transfer the file via onActivityResult() to the fragment A. Until now, I have tried : using a view model but the live data stays null, onSaveInstanceState() from fragment B but I figured fragmentA being already created, it calls only onResume(), A Data transfer interface, and now Im...

How to change cardview background color Programmatically in Kotlin I try to do this: cardview.cardBackgroundColor(Color) but I have this message: The function 'invoke()' is not found. Any idea?

What's live data on MVVM architecture? I wan't to know the benefits of using live data on MVVM architecture and how to implement it? Sample Example is Welcome !

Are Android Kotlin modules the same as Java packages? The definition of the "internal"-keyword in Kotlin says: "Internal: Visible inside the same module". What is meant with "module"? I know the concept of packages from Java. Is that meant? Or are Kotlin-"modules" something different?

Convert delight-im advanced WebView to Kotlin and example under Fragment/ViewModel project Hi Can anyone help me with this please. I have implemented the code in my project and it opens an advanced WebView web view but I am struggling with the setlistener method. Here is what I have class WebexFragment : Fragment() { private lateinit var webexViewModel: WebexViewModel private val mWebView: AdvancedWebView? = null fun MyFragment() {} override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View? { webexViewModel...

Huawei Ads kit Banner Ad returns Error code 1 I am trying to integrate Huawei Ads kit to my application but it constantly returns me Error code 1 and fails showing any ad. I wish the errors would be more explanatory. Does anybody have an idea how can I solve this problem?

Using finish to pass Array intent data I have this method that passes an array to a different activity. anotherrow is an arrayList private fun returnToPreviousActivityWithTheData() { // intialize Bundle val b = Bundle() b.putSerializable("questions", anotherRow as Serializable?) val i = Intent(this, MainActivity::class.java) i.putExtras(b) startActivity(i) finish() } And this is how am receiving the intent: val b = activity?.getIntent()?.extras if (b?.getSerializable("questions")...

How make `this` in a scope to refer to Kotlin Android Extension type class? I have a code as below recycler_view.apply { // Some other code LinearSnapHelper().attachToRecyclerView(this) } In case I would like to use apply, the below this is error out recycler_view.apply { // Some other code LinearSnapHelper().apply { .attachToRecyclerView(this) // This will error because

this

is LinearSnapHelper() } } I tried this@RecyclerView still error...

room kotlin query item list by val from another fragment spent many hours trying to solve this problem and finally decided to ask for help here. My activity holds two fragments. The first one has a recyclerview populated onCreate from db (book list). Clicking one item I pass the item id to second fragment, witch should show books from a single author. In the second I retrieve the id but failed to implement right method to query books of the selected author. Book table @Entity( tableName = TABLE_NAME, foreignKeys = [ForeignKey(...

can we write the code in Kotlin? "where it can take single value from user" i.e may it integer,char or any type & convert that value into ASCII class Find(c:Any){ var Char_To_ASCII : Any=c fun find(){ } } fun main(){ var f=Find(1) f.find() } Code has "main" function which should instantiate class. class has one constructor & one parameter, which can be of any type.

Why are variables declared after root automatically added to UI in TornadoFx? I have stumbled upon a behaviour in TornadoFx that doesn't seem to be mentioned anywhere (I have searched a lot) and that I'm wondering about. If I define a view like this with the TornadoFx builders for the labels: class ExampleView: View() { override val root = vbox{ label("first label") } val secondLabel = label("second label") } The result is: That is, the mere definition of secondLabel...

Can not read data from FireStore I have a simple login/signup/dashboard app which i am working on. What i do is, i signup a user using firebase signup, and in that call, i add that user information in my collection and that gets added successfully and shows in collection as well. When i log in, the new user gets verified and in order to show the name of user on dashborad, i want to retrieve the name from collection using the ID of currently authenticated user. Look at the code below: suspend fun getUserData() : User?{...