Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent, On AlarmPingSender Problem Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent. I got it after updating target SDK to 31. the error always come after AlarmPingSender. But i dont know any class that used AlarmPingSender. 2021-10-31 104304.990 17031-17341/com.app.mobile D/AlarmPingSender: Register alarmreceiver to MqttServiceMqttService.pingSender.com.app.mobile-2e24ccbde048f2e91635651784 2021-10-31 104304.993...

How to find the largest number of a sequence? I am trying to solve a problem where i need to input numbers in a while loop. The loop will stop if user input the number 0. Then the code should give an output of the biggest number. import java.util.* fun main() { val scanner = Scanner(System.

in

) var remainder = 0 val n = scanner.nextInt() while (n != 0) { var input = scanner.hasNextInt() if (input > remainder) { remainder = input } } println(remainder) } But when i try to run...

How to send data from firebase to android app on daily basis I need to send string values from firebase to android app on daily basis. i.e. If I update data in firebase then it should flow down to my app via my retrofit/firebase connection. For example: If on day one I update values in my firebase to Tom, Jerry, then these two name should be shown on my app screen. If on day two I update the data to Batman, Superman in my firebase, then these two new names should be displayed in my app, automatically. I need setup like this but I am very new to this...

Is there anyway to save firebase realtime db data when internet connection is not available I am making an attendance android app in kotlin. In this app, students list is available offline with sqlite db. For attendance saving i am using Firebase Realtime Database. But, i want to make app which can work in offline mode also. And upload attendance when internet available, Even after restarting the application.

Can I make my app start automatically after install? Well the title speaks for itself, if it possible to auto start, then how do I do it?

flutter can't receive data from method channel I'm trying to fetch response in flutter using MethodChannel kotlin code: class MainActivity : FlutterActivity() { private val CHANNEL = "com.example.parking_app/zmq"; override fun configureFlutterEngine(flutterEngine: FlutterEngine) { super.configureFlutterEngine(flutterEngine) MethodChannel( flutterEngine.dartExecutor.binaryMessenger, CHANNEL ).setMethodCallHandler { call, _ -> if (call.method == "startReqClient")...

How can I know if a device supports android.hardware.wifi@1.3? I found this note in the documentation : Note: Low-latency mode is fully supported on devices that support android.hardware.wifi@1.3. For devices running Android 10 that don't support android.hardware.wifi@1.3, WifiLockManager only disables power save when the low-latency mode Wi-Fi lock is acquired by the app and is active. My question is, how can I know if a device actually supports or...

webview Facebook is deprecated Android I received a message from face book as the below one: We have re-reviewed your Privacy Policy and it is now in compliance. However, as webview Facebook is deprecated, we will need you upgrade your version 8.2.0 or later of the Facebook SDK for Android. To avoid a disrupted user experience, please follow this documentation for your Facebook login to work again: https://developers.facebook.com/docs/facebook-login/android/deprecating-webviews Once successfully upgraded, do let us...

Compose TextField shows wierd behavior This is the code that I am trying. var text by remember { mutableStateOf("") } TextField( value = text, onValueChange = { if (it.length != 5) text = it }, keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number) ) What I expect is that I shouldn't be able to input more than 4 digits in the TextField. But this is what I get. If I type a little faster I am able to type...

Android - Pending Intent with flags So I have an app with widgets that uses PendingIntent when updating the widgets or opening the app. After setting the targetSdkVersion to 31 it started crashing saying "Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent. Strongly consider using FLAG_IMMUTABLE, only use FLAG_MUTABLE if some functionality depends on the PendingIntent being mutable, e.g. if it needs to be used with inline replies or bubbles " So I...

Reading RSA public keys generated from kotlin (C++) I'm having trouble loading RSA public keys generated on kotlin. The server is in c++ and I'm using protobuf to communicate between two apps. The function in my c++ project to parse the public key: void parsePGP(std::string userPGP) { RSA* userrsainstance = RSA_new(); std::cout

How to make broadcastreceiver work on MIUI when phone is asleep? class AlarmReceiver : BroadcastReceiver() { override fun onReceive(context: Context, intent: Intent) { Toast.makeText(context,"Ready to wake up?", Toast.LENGTH_LONG).show() val myIntent = Intent(context,AlarmActivity::class.java) myIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK) context.startActivity(myIntent) } } Manifest:...

Why is the user details vanishes from the Firestore? I am using Firebase PhoneAuth for user registration with my app. Users are verified successfully and started using the app without any issues. But, It happened to me a couple of times that user details vanished from Firestore database, not all users details have gone though. When I check the collection users in the Firestore, the document does exist for the user but some data was gone, in fact, it's overwritten the old data as if this is new user registration (However, the User UID under the...

Cannot access 'init': it is invisible (private in a supertype) in 'SecondActivity' class SecondActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_second) init() } }

Write a program that generate part of this sequence 122333444455555 Write a program that prints a part of the following sequence 1 2 2 3 3 3 4 4 4 4 5 5 5 5 5 ... (the number of repetitions is equal to the respective number). Input is a positive integer n – the number of the elements of the sequence that the program should print. Output the sequence of numbers, written in a single line, separated by spaces. The idea here is to use while loop instead of for loop. For example, if n is 7, the program should output 1 2 2 3 3 3 4 (seven numbers). SAMPLE INPUT: 8...

How to enlarge the border around constraint layout in Android Studio Kotlin I am getting a border around a constraint layout as shown (light green border). How can I enlarge the border as shown in "RED" (attached picture) I tried padding command, but doesn't make any change. Can someone please suggest a solution. Thanks! Here is the code for the background shape

how to navigate from one fragment to another fragment in different navigation graph in android? how to navigate from one fragment to another fragment in different navigation graph in android? I want to navigate from one fragment in main_nav.xml to another fragment in second_nav.xml but I do not know how? please guide me...

Get SerializedName Values I am starting to learn kotlin and I need some help. So my question is how can I get the serializedName I defined in another class ? I am using this line to get all the data: val responseObject = Gson().fromJson(response, GifSearchResult::class.java) Log.e("Data","" + responseObject.data) The log is: E/Data: GifDetails(type=gif, id=13Cmju3maIjStW, url=https://giphy.com/gifs/13Cmju3maIjStW, title=Biting Nails Reaction GIF by SpongeBob SquarePants, images=Images(original=Urls(width=500,...

Collecting multiple flows into one I am collecting data from datastore in flows in nested launch{}. viewLifecycleOwner.lifecycleScope.launchWhenStarted { launch { DataStore.userName.collect { Log.e(TAG, it ) } } launch { DataStore.userPhone.collect { Log.e(TAG, it ) } } launch {...

keep Recycleview focus on last element for chatapp (Kotlin) I am making ChatApp demo like whatsapp using android studio, kotlin, firebase. I am using recycle view for messages(chat).PROBLEM IS WHEN NEW CHAT UPLOADED RECYCLE VIEW JUMP TO 0 INDEX BUT I WANT RECYCLE VIEW TO KEEP FOCUS ON NEWLY LOADED CHAT.I tried SmoothScrollTOposition() but if I have more chats , it take so much time to jump on last position as its starts from 0 INDEX.

Uploading Image as base64 image but the request sent with empty base64 image I made a flask API which can take an image as input as Base64 String. Now I want to send request on that API from android app using Ktor. I am using Jetpack Compose for UI here. I am succeeded to send request to that api but there is a problem, the Base64 string is going to the api as empty string. Now to convert the image to base64, I am using this code. if (imageUri.value!=null){ val file = File(imageUri.value.toString()).readBytes() imageStr =...

The list in recyclerview is getting duplicated when navigating to other fragment with MVVM The list content in recyclerview is getting duplicated when navigating to other fragment and getting back to the fragment. When a user clicks on item and navigate back to the same fragment the recyclerview is getting duplicated ViewModel: private var listMutableLiveData: MutableLiveData = MutableLiveData() var arrayListMainUI: ArrayList = ArrayList() val listLiveData: LiveData get() = listMutableLiveData fun loadData(reload: Boolean) { if (reload) {...

listen for Preference button click in Main Activity Im using a settings activity with a preference.xml to create a settings menu. Im trying to listen to a button click from my settings activity in my main activity. I cant seem to figure out how to accomplish this?

Display A CardView from a click on a marker on a map I want to display a CardView when the user clicks on a marker on my map. I have created most of the app. However, I need help with creating this CardView and how to implement it. I suspect I will have to create a custom XML file, but I am not sure where to go from there. Any help would be appreciated. Language: Kotlin. Right now, when the user clicks on the marker it displays something like this: But I would like it...

ViewModel.launch unresolved reference I am trying to use viewModelScope with ViewModel. But the viewModelScope.launch says unresolved reference even though i did implement the dependencies. Here is my ViewModelClass class MainViewModel : ViewModel() { var movieListResponse: List by mutableStateOf(listOf()) var errorMessage: String by mutableStateOf("") suspend fun getMovieList() { viewModelScope.launch { val apiService = apiInterface.getInstance() try { val movieList =...

Ktor cant create the table in Postgres I'm new in Ktor. I created a Postgres database and now I want to create tables in my database. this is my main function fun main() { embeddedServer(CIO, port = 8080, host = "0.0.0.0") { configureRouting() configureSerialization() }.start(wait = true) Database.connect( url = "jdbc:postgresql://localhost:12346/test", driver = "org.postgresql.Driver", user = "postgres", password = "12345678" ) transaction { SchemaUtils.create(UserTable) } } and this is my...

Run app use Kotlin build failed AAPT: error: resource android:attr/lStar not found I am coding android app by Kotlin. When run app is error build failed C\Users\Administrator.gradle\caches\transforms 2\files 2.1\06149af1d4a4f067b7c8778b7e903c47\core 1.7.0\res\values\values.xml1055 11425: AAPT: error: resource android:attr/lStar not found. How to fix this error ?? Thanks !

How to make Fragment with curve(bottom oval) in Android Studio (Kotlin)? Show ez way to do this, I tried also https://github.com/developer-shivam/Crescento but it's not work on new Android Studio, I tried with different computers too.

How to change firebase real time database, data types manually? i have added some data manually to real time database of firebase, automatically its initiated as Long, is there any way to change it to become string manually?

Picasso crashes when i scroll down on my recycler view When I scroll down on my recycler view it crashes. I am getting the data via retrofit. It does not do it when i comment the Picasso lines out. It also did not do it when i used a generic image. 2021-10-31 172406.620 12778-12778/com.example.harrypottercaracters E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.harrypottercaracters, PID: 12778 java.lang.IllegalArgumentException: Path must not be empty. at com.squareup.picasso.Picasso.load(Picasso.java:332) at...