How to handle navigation in a MasterDetailPage using Context Actions of a...
Hello there, I will try to give an accurate explanation for the issue I'm facing. Context : I'm using a MasterDetailPage for my main navigation. In a Detail page (used as a NavigationPage), I display a...
View ArticleRead First and Last names from Android Contacts
I'm trying to read the first and last names from Android contacts: ` var projection = new string[] { ContactsContract.CommonDataKinds.Phone.InterfaceConsts.DisplayName,...
View ArticleForcing camera to be in landscape and adding overlay
I have a Xamarin.Forms project targeting both iOS and Android (no WP8). I have a view that is used to take a picture of a check and upload that image, much like most banking apps. I need to do a few...
View ArticleFrame Padding, Can it still be changed?
I have a Frame surrounding an Entry view. I know the default padding is 20 for a frame but I cannot seem to change this. My XAML looks like this: <Style x:Key="standardEntryBorder"...
View ArticleXamarin.Forms - Facebook Login : Native login page (Android)
Hello, Initially i tried to use this library https://github.com/jsauve/OAuthTwoDemo.XForms/ but the problem was that the Library opened a WebView with mobile Facebook Login, and the user was forced to...
View ArticleUriImageSource-based image not rendering
Hello, I am creating an image from a Uri, but it doesn't render in my app at all (note that local images work fine!). I believe everything is set up correctly, so I'm a little confused as to the cause...
View Article[iOS] ArgumentNullException: Parameter name: image
Hi everyone, I developed until now my Forms app only on Android and wanted to port it now for iOS, but when launching I only get this exception: System.ArgumentNullException Argument cannot be null....
View Article"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 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 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:...
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