Image converter not working in data template?
I need to change image source on tap in mvvm so i planned to use converter but i dont know why it is not working here?. In my project other places it is working fine. My xaml code: `<ContentPage...
View ArticleObject reference not set to an instance of an object
Hi there. I receive an error (the error in the title) and I do not understand where this error is coming from. <StackLayout Padding="20" Spacing="50"> <Label x:Name="label" Text="Sample Text"...
View ArticleXam.Plugin.Media not allowing permissions for android
Hi, i've been building an app for the past 8 months and never had any camera problems. I've been able to take images with the camera without any problems. I then wanted to test an apk so id archived...
View Articlesudoku type labels in xamarin forms
Hi, I have been able to code a sudoku like game where you can edit labels with numbers and solve the puzzle. The thing I cannot get my head around is how to enable multiple numbers inside a label. I am...
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Connect mobile application to SQL server
Hello everyone, I am new in developing mobile applications. I am trying to start a simple project on Android/iOS/Windows phones. The application should contain a login page that the user enters...
View ArticleError initWithContentsOfFile
Hi, I'm trying to create in my Xamarin solution a project for macOS. I followed all steps from this document. When the application starts I receive and error: public override void...
View ArticleLinQ nested search in Lists
Hi to All. I know that is not 100% Xamarin question, but I do not know if there is any limitation for Xamarin Forms and System.Linq. I have a class like this: <br /> public class SubMenu<br...
View ArticleXamarin.Forms with GTK on Linux : I did it :)
Hi Just to say that I made it... Base on the sample provided by Microsoft ==> GameOfLife... I created the GTK project and all of a sudden said : Why not try it under Linux... One of my collegue who...
View ArticleLocal notification in IOS app when app is background
want to send localnotification to my IOS app. App is checking time from my database when that time match to my mobile time it gives notification, but the problem that local notification works fine when...
View ArticleAndroid Splash screen portrait and landscape
Hello, In a Xamarin forms project, I tried to set up a splash screen portrait and landscape, different. For this I followed the doc here...
View ArticleHow to add SearchBar and NavigationPage.PrefersLargeTitles IOS using xaml?
Hello! How to add SearchBar and NavigationPage.PrefersLargeTitles IOS using xaml?
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Reproduce carousel view behaviour/animation/transition to a horizontal scroll...
Hey developers, I have so far tried to use a carousel view due to its ease of use and of course its performance. But I tried to show the tail of each UI elements (let's say we've a bunch of cards)...
View ArticleI need to bind two entrys from database but couldn't bind to view model to view
i have two entrys in my view i need to bind the two entries from view model to view. Model: public class LoginModel { public string username { get; set; } public string usercode { get; set; } } view...
View ArticleHow to set Listview caching strategy per platform?
How do I set the caching strategy per platform? For example I want RecycleElement for iOS and RetainElement for Android.... I am using the following but doesnt appear to be working: <ListView...
View ArticleJust installed Xamarin Forms 3.5 and now Listview scrolling causing problems
My text in all my listviews in no longer displaying correctly since I installed Xamarin Forms 3.5. Not sure how to fix it. When I scroll, only a few letter of the text are displayed and sometimes with...
View ArticleAnimation when changing MainPage of the application
I am using a MasterDetail template and I also have a login page. In my app when I am logged out I have set: MainPage = new LoginPage(); When I will successfully log in I am just changing MainPage to...
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Xamarin.Forms Zxing barcode scanner - errors at new ZXingScannerPage()
Hi Guys, I'm going nuts trying to get it to work. I have a simple app making use of Zxing barcode scanner library. It basically has 1 form with btnScan button and txtBarcode textbox on it. When I click...
View ArticleRegarding bar code scan and Qr code scan
Can we use Zxing plugin for both Qr and Bar code scan in xamarin.forms? any idea? Pls help me. Thanks.
View ArticleItemAppearing Bindable ?
Hello Xamarin Community ! Is is possible to bind a command to ItemAppearing?
View ArticlePRISM ... calling async method in onNavigatedTo or any of the methods from...
I'm needing to call an async method when my pages are navigated to. I know making a void async is a no-no, but I really don't see a way around it. So here is what I'm going to do and I was wondering if...
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