Add pin on click Xamarin.Forms.Maps
Hi I want to add a new pin on clicking on the map using Xamarin.Forms.Maps. After I've searched I found that I have to use TKCustomMap plugin .. but it didn't shows the map .. just empty area and this...
View ArticleData transfer BLE Xamarin Forms
Hi everyone. I am new to BLE and I hope that any of you can guide me through what I want to solve. I want to send data via BLE but without pairing with any device. More specific, I want to open a door...
View ArticleWhat's the c# quivalent of this Xaml?
<Image x:Name="TargetImage" RelativeLayout.YConstraint="{ConstraintExpression Type=RelativeToView, ElementName=ZXingScannerView1, Property=Y, Constant={StaticResource TargetYConstant}}"...
View ArticleXamarian.Form default MasterDetail Project Application.Current.MainPage is null
I'm really trying to work my way through a Xamarian.Form app an I'm finding it difficult because the template out of the box doesn't seem to work. Basically on the menu I'm trying to nav to the Browse...
View ArticleMany online image in listview(problem with scroll and dispaly large image)
I have listview with many view elements,(especially many images). Each viewcell is consisted from text and images. All data for displaying I obtain from API, including string url for images.. Url for...
View ArticleXaml Error when creating our own content page
I create a content page of my own called BaseContentpage. When I called it from my XAML page. It always gives a compile-time error. it is not issued when I run the app it runs smoothly. I cannot...
View ArticleUpdating iOS FrameRenderer on size change
Hey guys, I need some help with my iOS FrameRenderer. How can I handle the update when the size is changing? I draw a shadow but when the size of the frame changes the shadow is not updated because the...
View ArticleDo compiled bindings work with together with Converter ?
I have listview and tried to change from classic binding to compiled binding. One of the labels uses Converter to convert bool to color of the label text but it crashes with the following exception:...
View ArticleHow to Register User via FingerPrint in xamarin form?
I'm new in xamarin form, please help me how user registered via fingerprint??
View ArticleHow to Open Google drive ?
Hii community... i need to open Google drive in button click how to do it.
View ArticleHow to use model in XAML
Hello, I know how to put say string into model, but I don't know how to show that string in my xaml view.. here is my model, viewmodel and my xaml; Model: namespace New_Pneumatig.Models { public class...
View ArticleSome kind of security exception that I cannot trace to my own code
I was hoping someone would recognize this stack trace, as I cannot trace the error to my own code so I don't know how I can solve it: Xamarin Exception Stack: System.ArgumentNullException: Value cannot...
View ArticleXF - Android - SMS and Call Log Permissions violation. (Not in manifest)
I have an app built in Xamarin.Forms and I'm in the middle of publishing to the stores, iOS version is already approved. Android, ** approved **then **removed ** by: Violation of the Permissions policy...
View ArticleSome kind of security exception that I cannot trace to my own code
I was hoping someone would recognize this stack trace, as I cannot trace the error to my own code so I don't know how I can solve it: Xamarin Exception Stack: System.ArgumentNullException: Value cannot...
View ArticleChange Hamburger menu (master) after user logs in
Hi, I am trying to change my hamburger menu in my MasterDetailPage after the user logs in but with no luck. Here is what I tried so far: 1) I tried the MessagingCenter example advised here:...
View ArticleForms9Patch: Simplify multi-device image management in your PCL Xamarin.Forms...
Announcement of Form9Patch Xamarin Forms is great for developing apps on Android and iOS but it is missing two important tools for developers: scalable images and PCL multi-screen image management....
View ArticleIs UWP support for Xamarin.Forms going to have a slow and painful death
So have to ask, In VS2019 there is no option to create the project with UWP only iOS and Android. In Xamarin.Forms new features such as Visual and Shell only support iOS and Android. Slow death march...
View ArticleHow to get selected element of list in BindableLayout with TapGestureRecognizer
I have a page with multiple images in it. As the example is only a part of it I don't use a ListView, but instead a StackLayout with a BindableLayout. To recognize taps on the rows I added a...
View Articlecan't access to controls into XAML ListView ??
Hi everyone, I have a strange issue with xamarin forms, which is tha I can't access to some controls into a xaml ListView. This is my code: ` <ListView x:Name="VehiclesListView" HasUnevenRows="True"...
View ArticleMailMessage Attachment
I need to save my PDF MailMessage Attachment in a Folder And after that read the PDF file from the folder. Do I need any special permissions and How to code should be ? (Look at my code) private void...
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