How do I implement Manatee scanner in a PCL project?
I have a iOS/Android PCL project and want to implement Manatee scanner, but their samples don't cover PCL. The sample provided for iOS: scanButton.TouchUpInside += async (sender, e) => { //Make an...
View ArticleBarcode rendering with ZXing.net in my Xamarin.Forms app
Heyo, So I've seen a lot of posts where people need help scanning barcodes, but so far I've not seen any posts where people were having trouble rendering a barcode from a piece of data. Our app needs...
View ArticleImages with databinding via XAML
I am able to display images successfully, but it fails when I try to do it with data binding in a XAML ListView. I have tried it a couple ways. 1 Image Source="{Binding ImageResourcePath}" I know the...
View ArticleHow to attach an ImageSource object to an email?
I'm working on an Android dependency service to open the default email client and add an image attachment. I'm passing an ImageSource object to the Android dependency service, but now I'm trying to add...
View ArticleGetting data from WebView in Xamarin Forms
I have a webpage displayed inside a web view.. on the webpage the user is supposed to be selecting a date using a calendar control/datepicker and this value will go towards the server side. How can the...
View ArticleAdd a Xamarin.Forms Element to a UIView in a custom renderer
Hi! Does anyone know if it's possible to add a Xamarin.Forms Element to a UIView in a custom renderer? I have tried Platform.CreateRenderer but it doesn't display anything for the Element. The element...
View ArticleHasShadow Property of Frame not working
I am using Xamarin Forms and I am trying to build a cardview style control by putting a frame inside a listview and it doesn't look like the HasShadow property is working properly. I have it set to...
View ArticleReceive information from my application to WCF JSON format
I have a problem, I have a WCF that gives me my application platform data in JSON format, I can send up to 3800 records ... but when I send my application data captures only the WCF me 90 records, if...
View ArticleListView with horizontal layout in Windows RT versions (bug)
I have detected an error in the versions of Windows RT. I have a ListView. The ViewCell consists of a vertical StackPanel. The StackPanel includes a second horizontal StackPanel with a graphic and...
View ArticleUnable to update Xamarin.Android.Support
II get this error for Design, v4, v7.AppCompat, v7.CardView and v7.MediaRouter Updating 'Xamarin.Android.Support.Design 23.0.1.3' to 'Xamarin.Android.Support.Design 23.1.1.0' failed. Unable to find a...
View ArticleHow to use Material Design Toolbar in Android when building app with Xamarin...
There are tutorials on how to create the newer action bar in Xamarin Android, but I am not able to reproduce the toolbar when creating an app with Xamarin Forms. Somehow it just doesn't work for me. My...
View ArticleVisual Studio reporting errors (Value cannot be null) since last set of...
Since applying the latest Xamarin updates, Visual Studio is reporting the following error: ERROR: Value cannot be null. Parameter name: project Unfortunately, with so much software auto-updating these...
View ArticleHow to use Xamarin-Forms-Labs ViewModel with a MasterDetailPage?
I tried some MVVM implementation for my Xamarin.Forms project and the XLabs' ViewModel looked the best for me. But I do not really know how to make a, for example, MasterDetail XAML page with it. My...
View Articlelistview header and footer
Hi Where can I find an example how to use header and footer in new listview? Not mvvm... Thanks
View ArticleLandscape and portrait
Hi friends. I would like to know when a page pass from Landscape to Portrait. It seems that XF does not have an event for this. Googling, I have found something like this protected override void...
View ArticleWorking with referenced tables
Hi Guys, lets say i have a relation between an Invoice and an Customer. Now when the user creates a new invoice - there should be an entry field "Customer" - the field should be readonly - when...
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Behavior issue
Good aftnernoon ladies and gents. My situation is as followed: - Portable project with a Custom Behavior in it. - Regular Xamarin project which has a reference to the Portable project in the Shared...
View ArticleWindows10 64 bit crash on startup
We're trying to build our app for Windows 10 64 bit (it works on 32 bit). Get this exception at startup in MainPage() when we try to instantiate the app (xxx.App app = new xxx.App()) Message =...
View ArticleError: Invalid resource directory name: "res packages.config"
I've searched, and searched, and searched... and I cannot find the answer to this problem I am having. I got a new laptop (Window 8 installed) and installed Visual Studio 2013 update 4. Then I...
View ArticleNew Xamarin.Forms Guide: Custom Renderers
Xamarin.Forms user interfaces are rendered using the native controls of the target platform, allowing Xamarin.Forms applications to retain the appropriate look and feel for each platform. Custom...
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