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how can i update a listview with a button?
I am making a clone of a social network and in a list of comments. I want to register one and instantly the list is updated and the record I made appears.
View ArticleTextToSpeech in German xamarin.Forms
This is my Code in SpeakButton : var txty = txtToSpeech.Text;CrossTextToSpeech.Current.Speak(txty); and this is my xaml code : Label Text="Say hello Batman" x:Name="txtToSpeech" this works just for...
View Articlehow to implement fingerprint scaning in login form.
I am trying to implement fingerprint in xamarin . ` var cancellation = new System.Threading.CancellationToken(); var auth = await CrossFingerprint.Current.AuthenticateAsync("Please place your...
View ArticleRG.PopupPage is calling OnDisappearingAnimationBeginAsync immediately on opening
I have a Xamarin Forms app which is mainly deploying to a UWP project. I have a popup to display a delete confirmation to the user when they start to delete a data element. The dialog is appearing but...
View Articlexamarin forms ios release build hangs
I'm running VS 2019 from my windows machine and connecting to my Mac through VS. I can successfully connect to the Mac without issue. The problem arises when I perform a release build, the build hangs...
View Articlescroll view is not working with carousel view on xamarin iOS
Hi Everyone, I am stuck in this, I have added a carousel view inside a scroll-view and now scrolling is not working on it, on iOS please give me any suggestion or workaround. I have tried to add a...
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Best way to round bottom corners on rounded devices.
So the homepage on non rounded devices looks like this: In rounded corners devices instead it looks like this: Probably the best looking way would be round botton corners only on round devices but I...
View ArticleGeolocator plugin...How can I turn on GPS in XF?
Hi @JamesMontemagno . I'm using your Geolocator plugin. It works fine. I would like to know if there is the possibility, in XF, to turn on GPS, or I have to use dependency services to implement it in...
View ArticleBest way to update local Sqlite DB
I have local Sqlite db in my xamarin.forms app. I have table called 'cars' where data is pre filled. now I want to update this table with more pre filled data. Here what will be the best approach ?...
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ContentView bindings not working
Hi everyone, I'm trying to create a custom control that allows me to show an horizontal list after having loaded the data from an online resource. I'm still new to creating custom controls with...
View ArticleAdding values to Microcharts dynamically.
I am using MicroCharts plugin for making charts. I am getting values form api service like this- "[0.0,0.0,0.0,0.0,210.00,210.00,210.00,12151.50,12151.50,0.0,0.0,0.0]" using this- var request = new...
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Ask user to turn on location and network in Xamarin Forms
Hello. I am developing an app written in Xamarin.Forms (mainly for Android and iOS) with some services. In this services I need to request the location of the device and send them through the netowrk...
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Xamarin forms Shell app page under status bar on Android
Hello, I am trying to create app with a map on the main page. And I wanna have map under the status bar, like this in Google Maps: On iOS it was easy. I am using Shell with a page, that contains Grid...
View ArticleHow to handle navigation bar back button
I am developing XamarinForms application, in that I need to do popasync more than 2 pages when clicking navigation bar back button. Please help me on this. Thanks in advance
View ArticleThe type or namespace name 'Android' does not exist in the namespace...
Hi guys. I Updated my nuget packages few days ago to new versions. but my Android project has 2 errors in MainActivity.cs: 1: The type or namespace name 'Android' does not exist in the namespace...
View ArticleIs it possible, to define a text file as asset in the platform independent...
If yes, how is it done and how is the file accessed in MainPage.xaml.cs? Thank you very much in advance! Kind regards, wa
View ArticleNecessary to unsubscribe from sensors on app exit?
I am currently experiencing an illusive crash which occurs when the app is quickly restarted. Since the app uses a lot of threads related to the use of sensors - I suspect it might be necessary to...
View ArticleDedicated Barcode Scanners in Xamarin Forms
I have been looking for a solution to use dedicated barcode scanners (so, NO camera scanning) connected either through bluetooth or USB (to a docking station) with an Android, iOS (maybe also UWP)...
View ArticleXamarin forms - Code is building successfully in VS 2017 (Release build) but...
When i am building my code in Visual Studio 2017 (release build), the build is successful. However, when the i am trying to build the same code in Visual Studio 2019, i am receiving the following error...
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