Using PRISM with ContentViews
How can I use PRISM (8.0) with ContentViews instead of ContentPages ? I found some Information in this very forum but nothing has worked out so far. I just need a sample to figure it out on my own. Has...
View ArticleHow to load and view first item from xamarin sql database in C#
I use helper code below to get the first ID from MyTable but an error. How should this code be made accessible? public Task<MyTable> GetLastTableItem(int id) { return...
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CheckBox doesn't change visual state when updated from ViewModel
Hi all. I have a CheckBox binded to value IsInheritedMarkup in ViewModel. After the data loaded I want to read a new value from property. For this I call...
View ArticleXamarin Android Beacon scan
Hello Developers it's been 2 month that i'm trying to detect beacon with Uuid in Android. Lately i was able to detect beacon with Estimote SDK "Xamarin.Estimote.Android" but Unfortunately when i target...
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TabbedPage Tabbar not same color on both OS
Hi I'm trying to color the tabs bar using BarBackgroundColor="Black" for this example. Here is the result. Working fine on Android, but iOS have obviously some tint or overlay applied, and i can't find...
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Text of Radio Buttons not showing anymore
After Updating from 4.7.0 968 to 4.8.0 1238 I was facing Problem with my Radio Buttons. I don´t know from which Version it startet but I downloaded the official Demo for Radio Buttons from the Xamarin...
View ArticleDoes the ImageCropView library work with current versions of XF?
I am trying to use ImageCropView for Xamarin.Forms https://github.com/daniel-luberda/DLToolkit.Forms.Controls/tree/master/ImageCropView to crop images that are loaded. I am not seeing how to move the...
View ArticleHow to update UI after async Task in viewmodel
I have a xaml page with label. I want to update labelafter some async task. In my ViewModel constructor I set default text for my label. And create a async Task function named SomeTask(). Question 1:...
View ArticleXamarin.Forms UITesting set App variable to mocked class before load
I am trying to declare and mock a local interface that interacts with a cloud authentication API. My local class implements this interface and provides the functionality to interact with the cloud API....
View ArticleEnable NFC programmatically on Android device
Hi, I'm trying to work with the NFC device and I got to the step where I have to enable the NFC programmatically. I've made a lot of research but I couldn't find anything that works. For example, if...
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how to create a PDF from a XAML page?
Hi, Greetings! I need to convert a Xaml output to a PDF and upload it cloud. I still couldn't find out any proper approach for creating one from xaml other than Syncfusion. Is there any way to create a...
View ArticleShare button to work with a pre-defined app
Hey all, I have developed an app in Xamarin.Forms, and I have a share button for each article shown in app. When clicking the share icon, a screen which asks to choose an app to share the content is...
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can it be lineargradient in a path in skiasharp?
I draw a path and fill it with color. can the fill color be gradient? I know the shader of CreateLinearGradient but it is two point's linear-gradient not according the path's point. here is the image:...
View ArticleHow to do a list of devices on the local network ?
Hello, I m working on a home automation project and I have to do an application. To be in communication with a hub I must scan the local network to detect him. I tried to do a ping test but I had a...
View ArticleIs it recommended to change all my Listview to CollectionView?
Hello developers and hope doing well. I need to ask a general question. I read that CollectionView is more flexible and has better performance than listview. So is CollectionView the new way to go?...
View ArticleStackLayout ItemTemplate
Hi! For my project I need to declare an itemTemplate in a stackLayout. With the traditional xaml I could declare something like that: < StackLayout Orientation="Horizontal" VerticalOptions="Fill"...
View ArticleJudgment of single touch and double touch with Skiasharp
For example, if there is a code that judges single touch and multi-touch, each judgment can be made, but even if multi-touch is performed, the multi-touch command is executed after the single-touch...
View ArticleBinding a command doesn't work.
Hello i am trying to bind a command which has created in my content page. Please take a look in my example below: ``` public partial class MainPage : ContentPage { public Command ButtonClickCommand =...
View ArticleHow to set the status bar color in some page?
in xamarin.forms shell android set the light theme then the status bar text color will be dark and if set the light theme to false then the status bar text color will be light. how to set it in some...
View ArticleHow to do mdns Network Service Discovery in the Xamarin forms?
How to do mdns Network Service Discovery in the Xamarin forms?
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