Xamarin.android Questions

I get the following warnings if i use the code provided in the tutorial: warning cs0618: 'firebaseinstanceidservice' is

I'm developing a business application. when user register in app, app will send his coordinates by using active internet connection. but if

I'm developing a wear application and wanted to show a confirmation message to the user after a click. i know that for wear dedicated

Whenever my app is running, the phone has to be connected to a specific vpn. i have to reduce user interaction as much as possible, so i want the

I'm trying to call a kotlin function from c++ via the jni. the kotlin function is in a class that is part of an android binding library,

I want to open a pdf on the phone via the file-path but i cant figure out how i could do this properly without using 3rd party packages.

I'm binding this library:

I saw a lot of warnings when connected, more than 5 thousand, i found information that i should solve problems in a similar way

I have a lyrics app where users search songs on genius.com and can view and download those lyrics. they are stored in a folder on the device and

I have a problem. i have created a listview with a custom adapter. now i have 5 rows inside the listview and each row has a spinner. but how can i

I'm building an app that searches songs on genius and gets their lyrics to be shown to users. i want to create another activity that uses a

I'm creating a xamarin.android application. on enabling proguard or r8 shrinker getting -> xamarin.android.d8.target - "java.exe" exited

I have this class that extends view (it's in c# because i use xamarin) public class scanneroverlay : view { public

I have a pretty basic android application. most of it is still from the template. i use an own class library for a xmpp client. now what is

I'm trying to make my xamarin.android app ask for permission on the splash screen which is the first activity to be launched. i'm using

I am trying to read audio as 16 bit integers in my android app. i have written this app using xamarin.android . i am using audiorecord low level

I have a xamarin.android app that i'm trying to connect to firestore. i'm creating a firestore instance firebasefirestore

Recently while browsing hotstar android app and i got a pop up in it that said i need to update the application to the latest. so, i clicked on

I installed visual studio for mac and around to build the application for android it gave me this error. i installed ndk and now this error

I have observed this strange behavior with android 8.0 devices. on app lunch shows splash screen as expected and moves to next

I am new to xamarin android and i have one question. since there is one activity_main.axml i decided to make login form out of it. now when login

How to add info icon when floating label is raised just beside hint. like this

I have an app that's supposed to handle my custom data-type .xyz. i'm currently using the intent filter:

I have a c# xamarin forms solution in visual studio 2019 that was created from the xamarin forms template. when the android version

I have a problem changing the text of "edittext" in "xamarin android" ,i wish to put a "/" after 2 character's so that ,i can obtain text like

I am using azure hub notification. i am developing my app in xamarin.forms. for android i can get notification when i test it hits

I finally found out on how to add more locations to my route in uri: example: intent intent = new

I am working on a xamarin.forms app and i need to identify the android screen/resolution is whether small, medium or large to adjust some content

I'm using an instance of texttospeech to convert some text, using the speak() method, like so: texttospeech = new

I have implemented the below code in two projects, one works and the other does not work ,below is the code. i have checked other posts which says

I am implementing a xamarin android location tracker and added following code to stop location updates. public task

I'm developing a xamarin.forms app (early stages) and have just set up appcenter to build and distribute it. appcenter takes the xamarin.android

I have added a splashscreen to my application adding <item

I'm creating an listview app on visual studio 2017 xamarin.forms which shows me a list of my debts. i have added a displayactionsheet from

My requirement : i need to animate a 7*16 led display by passing frames through the android app over bluetoothle. i have created

I have a xamarin.forms activity. i have wrapped scrollview around my content via: <scrollview horizontaloptions="center"

I have a button and i want to set a custom font to the text but i have trouble doing that. the code is the following : in

I have an app that has bottom navigation with three tabs. on one of the screen of the app i have a google map fragment. i wish to show three

The mediaplugin library creates files in

I have a image gallery where the images are loaded from url and takes some time to load the image. so i would like to progressbar. i tries to add

I am beginner in xamarin android and am looking for a way to make my code work as will , my code contain three textview title ,main and

I have a weird issue with setting an attribute for cutout mode in xamarin.android. i want to add support in my app for cutout mode, hence i

I'm using axml designer to build ui. i separate screen on 4 parts of relativelayout. one i want to locate between another 2 and when add

I am trying to show the base64 image in image view but it doesn't display. i am decoding and setiing image bitmap of the imageview. i am

Progressdialog is depracted thats why i create a layout and put a progressbar and a textview and put this layout into a dialog. until now,

I am using the

I have implemented bottom navigation in xamarin android. i need to show different screens when clicking each icon in bottom navigation bar. i is

I always struggle to understand what is mono android and how it is was different from xamarin.android.

I am able to receive the message but only display in the log. i wanted to display as a notification at the top of the screen. here is my

With opencvsharp, it is very easy to convert a mat object to memorystream. private stream getstream(mat mat, string ext) {

I am navigating to other page after button onclick(). i want to avoid situation with double click. now when i click button more than

In a xamarin.android project, we have 2 build configuration (basic and pro) also different package name. on firebase we have registered

I’m have an app developed with xamarin forms and my users want to be able to use it with pip modes of android. i have tried integrate it but

I'm trying to learn how to use accountpicker functionality in my xamarin. android application and can't

I have a bottomnavigationview in my android activity, which consists of 4 menuitem. when i tap on the downloads menu i check if there are any

I have android app, size of my android apk file is 25mb. so while creating apk file i want to know how many supported architectures

I'm trying to build a xamarin forms application while building/deploying the application i'm getting this error

Currently, i have a mobile application written in xamarin.android. because there are constant http requests going on in the app, what i'd like to

Fellow developers, i'm creating an app and android vitals is showing an odd bug: issue: at (wrapper dynamic-method)

I have recently started exploring xamarin.android with visual studio 2017. on android skd manager window i can see different android versions and

First of all i am using sqlite-net-pcl on xamarin.android my question is this, i need to create an event that is recursive, and i need to

I started using visual studio 2017 enterprise edition with version 15.7.4. and xamarin version 4.10.0 and need to work on xamarin native android

I wish to play my video, coming from youtube, in the background. to stream any youtube video, i simply do: webview =

I have xamarin.android project in visual studio 2017 ide. resource showing red lines everywhere by saying

I have a calendar app that i'm working on, and i need to alert the user to an upcoming event. so i want to know what's the best practice

I'm using dependency service to get the platform specific implementation of an interface. let's say i have the following interface:

I am making my android application using xamarin.android. i want to implement push notifications, i am trying to do it with firebase following

I noticed that if you have an image file (png or svg and possibly non-image files too) and wanted to rename it to default.png,

The xamarin forms should be started with startforegroundservice service on android 8.0 versions as it is known

Note : i am aware it is not yet available for ios, also i am not looking for xamarin.forms(obviously). been trying to

I'm developing an app that is exporting some html tables as attachments. i have noticed that my code doesn't work if i try to attach the html

I made an application to save photos on the phone. public void downloadimage(string linkbitmap, string title) {

Edit 1: this is the code that i have right now, trying to offload the heavy work on a separate thread.

I am unable to set the view size matching the display size, below is the code, it is a transparent view

In my android app i need to handle receiving of firebase push notification messages, so that i can manipulate their ids (so that all notifications

I am using progressdialog to show loading whenever user clicks on any menu, and it works fine. but when the user clicks twice on

I am working in android with xamarin. i have a broadcast receiver that catches the button on a headset like so: public class

After eight hours of trying to debug and solve this issue, i've come to the point of contacting you. i searched the web to find a solution but

I want to encapsulate firebaseauth into the class authservice. i'm able to login as well.. but i cannot get the event

So, i have this problem with the ui, i made a calendar, wich basicaly consists on a gridview inside a viewpager, and i want to show to

Edit: as a test i've been using fixed sizes for the radio buttons and backgrounds:

How would i go about accessing a function from a class who sits in the ".android" level in my shared project level?

I have the following activity which specifies the theme as an attribute [activity(label = "permissionsactivity", theme =

I am currently working on an app, that finds all mp3s on a users phone and then puts them into a list. this works very fine and is very quick,

We are integrating firebase with our android(xamarin android) and windows(wpf) flavor of same application. we chosen firebase just to

I created dimens files for 320dp, 360dp and 480dp screen sizes in values folder.

I am developing a game in which i want to perform certain operations when user single touch the screen, and some other operations when user long

I have an expandablelistview with buttons in it's child-view. i want to bind event handler with button's click. this is what i want to

I have pdf file to read but getting exception system.unauthorizedaccessexception: access to the path

I recently upgraded to visual studio 2022, and since then, i can't hit breakpoints any longer during android shared project debugging, even if

I am working on a xamarin project (visual studio 2017). it's working fine in the emulator when run in debug and release mode but i am unable to

When i use a custom renderer for tabbedpages in xamarin forms, the tablayout is completely removed, and thus only the first tab is accessible.

I'm using reactiveui 8.7.2 to create android/ios xamarin.native app with shared viewmodels. i want to use whenactivated in fragments

I have a xamarin forms app where i've included a font file called roboto-regular.ttf in the assets folder of the

The toolbar in my axml file is made visible/invisible by toggling the button. the data is displayed in mvxexpandablelistview. once the list view

Currently, i have push notifications being sent and received in my xamarin app. when i send a push notification the sneak peak dialogue is

I'm trying to access resources usually found under android.support.v7.appcompat.r in android in xamarin.android by

I am creating an app on android (potentially expanding to ios, but focussing on android first) that, as a feature uploads the users saved data for

I need to add the pull to refresh in home page screen. in the beginning, the axml is:

Running into linker issue again with mvvmcross in xamarin android. recently upgraded to mvvmcross 6.1.2 and started using serilog. when compile in