"could not load type ... while decoding custom attribute"
Hi all, I am getting the error from the title at runtime when calling DependencyService.Get<>() to access the iOS binding of a cross-platform interface. It used to work fine with my ios app...
View Articlehow do I use the designers
Looking at this Xamarin page, I see I can design UI with designers rather than editing XAML directly. When I double click a XAML file, it does not give me an option to use a designer. I can only edit...
View ArticleAndroid release build crashing trying to load sgen
I am trying to build an Andoid release build for my Xamarin.Forms project, but I keep getting the following error: [monodroid] Trying to load sgen from:...
View ArticleMR.Gestures handles ALL touch gestures
With MR.Gestures you can handle the Tapping, Tapped, DoupleTapped, LongPressing, LongPressed, Panning, Panned, Swiped, Pinching, Pinched, Rotating and Rotated gestures on all layouts, cells, views and...
View ArticleiOS - TableView Cell Height changes do not not trigger screen refresh
I have a TableView and a ViewCell - whose height is modified when returning with the result from another screen [Navigate.PopAsync() ]. I do this by setting the .Height property on the ViewCell. The...
View ArticleProblem with understanding MVVM
Hi all. I have a problem with this tutorial : https://developer.xamarin.com/guides/cross-platform/xamarin-forms/user-interface/xaml-basics/data_bindings_to_mvvm/#Interactive_MVVM At the part...
View ArticleHow to extend Android ActionBar functionality for the NavigationPage?
I want to extend the NavigationPage functionality by making it possible to add a background image to the navigation bar(iOS)/action bar(Android). Therefore I have extended the NavigationRenderer for...
View ArticleUnable to play saved videos from Isolated Storage on Android
Hi, I am developing a cross platform application using Xamarin Forms which has the following requirements:- Download and save videos to phone storage for offline viewing. Saved video files should not...
View ArticleNavigate to page after async task completed
Hi! I've got a problem. When I trying to go to another page from Task.ContinueWith(() => { //And here i'm navigating } that's not works Navigation works sometimes if I move navigation line from...
View ArticleXAML Localization not working
Hi! I have no experience in Xamain, so maybe my question is dumb, but here it is: I use the https://developer.xamarin.com/guides/cross-platform/xamarin-forms/localization/ link to setup localization in...
View ArticleXamarin forms android image is not getting compressed
I'm working on xamarin forms project. I'm taking images from gallery and uploading those to server. My back-end is parse backend where we can not upload files having size more than 1MB. So, I'm trying...
View ArticleCan the padding between rows in a Grid be changed?
Hi there, I'm having a little trouble using the Grid layout in Xamarin Forms. I am using a Grid in my application, which contains a number of rows, each containing a label and a picker, side by side. A...
View ArticleExpandable ListView/TableView using Xamarin.Forms
Hi, Is it possible to implement expandable List- or TableViews using Xamarin.Forms? Any help is appreciated.
View ArticleWhen using tab gesture on image, transparent part should not fire eventhandler
Hi I created a user interface where I have a "pie chart like" user interface. I want the different parts of the pie to react on a tab gesture. I used and image for this and that works fine. However, my...
View ArticleBindableProperty doesn't trigger PropertyChanged/Changing?
We have a BindableProperty set up as follows: public static readonly BindableProperty DateProperty = BindableProperty.Create<DatePickerCell, DateTime?>(ctrl => ctrl.Date, defaultValue:...
View Articlehi.there am Gao from( south africa) just need some help with creating a...
hi.there am Gao from( south africa) just need some help with creating a function . am tryng to enable buttons from xaml in c# xamarin studio meaning, 1. i have a login form and menu form both contain...
View ArticleNavigationPage in Xaml
Sorry for such a simple question. What is the structure for the NavigationPage in xaml? Among others, this is what I have tried. <?xml version="1.0" encoding="UTF-8" ?> <NavigationPage...
View ArticleWebView not working on iOS 9??
Hi guys, Even I put this configuration in my plist file and still now working: <key>NSAppTransportSecurity<key> <dict> <key>NSAllowsArbitraryLoads</key> <true/>...
View ArticleForms 1.5 with Xamarin Visual Studio latest (as of Sept24, 2015)
I am using Visual Studio 2015, and have updated my mac to the latest Xamarin release as well. I create a new project, "Blank App (Xamarin.Forms Shared)" After project creation, I open "Manage NuGet...
View ArticleHow to set Padding of Button
I want to discrease the distance between text and border。How? And I found that the smallest size of button is 80*40?Right? When I set HeightRequest = "20" ,the text of Button display incomplete.
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