Hiding Collection View Group Header
Is there any way we can hide CollectionView's group header if the group is empty when grouping is enabled? Let's take the example from the official docs: // Extended List public class AnimalGroup :...
View ArticleIs there a way to hyperlink within a page in a Xamarin Forms view?
I am hoping to put a link at the top of my view that, when clicked, will cause the view window to scroll down to show another element on the page at the top of the page. I've tried setting the name of...
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Xamarin Forms Android error CS0117: 'Resource.Drawable' does not contain a...
I am trying to build a splash screen with a video in Xamarin Forms Android on Visual Studio 2019. Xamarin Forms version 4.7.0.968. I am trying to open a video file "Intro.mp4" located in the...
View ArticleAWS S3 Object Permissions when saved a file using PutObject() in an...
When I save to a file using PutObject(), the file becomes private. So subsequent reads are denied access. How do I make it public? My code is: PutObjectRequest request = new PutObjectRequest {...
View ArticlePreventing hardware back button from bypassing form validation with Xamarin...
I'm a newbie to Xamarin Forms and Prism. I have a Xamarin form with a ListView which allows editing of the list items by calling another Edit view (Upsert). There is a button on the Upsert view that...
View ArticleTrue/False Quiz: How to show correct answers or "errors"
I am working on a True/False Quiz using Xamarin Forms. I want to display the "errors" either at the end of the quiz (ResultsPage) or in between questions. I was thinking on adding the incorrect...
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Android app icon with frames
Hello i m using samsung s8 and it supports icons with frames. i made a test app named "KAYAAPP" to see the icon. when i select the " show icon with frams" in phone settings, as you see in the image,...
View ArticleTrue/False Quiz: how to show incorrect answers at the end of quiz
I am working on a True/False Quiz. Here is part of my code for setting the questions in the quiz and also the "ResultsPage". The ResultsPage, however, only indicates the score (i.e. "5 out of 14"), and...
View ArticleHow to make a squared image to a round image on xamarin forms ?
Is it possible to make a round image on Xamarin Forms of a squared image. I have a lot of images which should be displayed as a circle on ListView along with its name etc. But how can I do this?...
View ArticleClear cache in Webview Xamarin forms?
I have login in Webview, after authentication I am navigating to Dashboard page. After click on log-out(in dashboard) I navigate back to login-page which has WebView, but still WebView retains token....
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Cut off 1 corner in Collectionview
How do i make this in a Collectionview , 1 corner is cut off and not round with cornerradius
View Articleadmob sestdeviuceids for android
[Ads] Use RequestConfiguration.Builder().setTestDeviceIds(Arrays.asList("1C23F9449E0D92358C1D97543D4B5AC4") to get test ads on this device. how do you do this in xamarin? using...
View ArticleHow to change Text Atribute of Label using FadeTo Method when a Toggle...
Hello everyone, this is my very first question, i just suscribed, I am using MVVM pattern and i need to change the Text value of a label in my View, when i press a toggle control. The thing is, when i...
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Entry with numeric keyboard - no comma displayed on device
Hello, I created a simple Entry with numeric keyboard like this: <StackLayout x:Name="root" VerticalOptions="FillAndExpand" Spacing="0"> <Entry Keyboard="Numeric"/> </StackLayout> On...
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textview bold issue xamarin forms
I have textview with this text. Now its showing like this I need to bold this text using **. Is this support only for labels?
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Xamarin.UITest - Repl is not working
Hi all, I am trying to run : app.Repl(); in my Xamarin.UITest but it is not working. Console window is opened, but error is thrown, saying that there are illegal characters in sdk path. But Sdk path is...
View ArticleCan't select same item twice on CollectionView
I use a CollectionView control to display a list of files, if users click an item a popup appears displaying information about the file and a button to download it, the problem is that i use the...
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Problem with collection view update ui only on iOS
Hi All, I have a problem with a vertical collectionview, when I fire an update of data in ViewModel the ui update the first and the third element but no the second on iOS, on Android work well like a...
View ArticleAbout skiasharp scale
I have a question about skiasharp's scale, but what does "canvas.Scale(2);" double? For example, if the whole is 256x256, does "canvas.Scale(2);" result in 512x512? Also, I don't clearly understand the...
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