Default value for Picker
I would like to show a default value in the text field of the Picker. So far I know the "Title" is automatically used but I would like to show one of the options, the Picker shows, e.g. the first one....
View ArticleDoes anyone know what a ValidationValueDelegate is and does?
I am looking to validation some text on an entry control. e.g. I have an email address and would like to run it through a validation regex and display the text as red if it is not valid. I noticed that...
View ArticlePressing buttons multiple times loads multiple pages (Android)
I'm having an issue with Android navigation. I have a list view that contains a bunch of items that have tapped events. These tapped events look like this: async void Tab_ItemSelected(object sender,...
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Exception while running ibtool: -[IBUViewControllerAutolayoutGuide...
I'm running into a problem in my PCL project. Whenever I try to debug the iOS portion, I get the following error: Error 2 Exception while running ibtool: -[IBUIViewControllerAutolayoutGuide...
View ArticleCarousel - Swipe Event?
In a CarouselPage, is there a way to detect when a swipe event occured? Basically, I have 3 ContentPages inside a CarouselPage and I want to display 3 dots (for lack of a better terminology) down at...
View ArticleOverlapping Images and Objects in Forms
Hello, I'm working on converting an iOS project (MT.D) to Forms. The designs has a few places where items stacks; a background image, with a bar on top of it, and a third image with text next to it on...
View ArticleAndroid Video Player using Xamarin.Forms
I am trying to get a video player working in my Xamarin.Forms app on Android. I have implemented the iOS version using a ScrollViewRenderer where I add the MPMoviePlayerController (code at bottom, file...
View ArticleGrid rows extending vertically over the Grid Height
Hi, I currently have the issue that the rows of a grid extend over the height of the grid and overlay other layouts defined after the grid. I defined my grid in a vertical layout like this:...
View ArticleSet Mtom MessageEncoding WCF Connection
How I Change the MessageEncoding of the BasicHttpBinding for use it in a WCF Connection. I want set Mtom to connect to a Streaming Service.
View ArticleSystem.NullReferenceException at...
Immediate crash after application begins "WorkingWithMaps" and "MobileCRM" from https://github.com/xamarin/xamarin-forms-samples (both use Maps) Host system is Windows 8.1 Tried in Nexus 10 KitKat,...
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could not add xamarin forms , the type or namespace name'xamarin' could not...
the type or namespace name'xamarin' could not be found the type or namespace name'application' could not be found Please helpp mee been stuck on this v long alr
View ArticleHow to add resources to custom xaml ViewCell
Hi all. As you know in xaml for each content page you can specify it's resource dictionary and use them like this <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"...
View ArticlePCL Storage issue
Hi there! I'm having an issue with the PCL Storage, i'm tring to write different files but so far just one file is created, the second file fails, is this caused by Android/iOS that I can't write more...
View ArticleCustom DatePicker renderer for Windows Phone 8.1
I have a date picker on a white background. This obviously doesn't work by default, because the text is white. I was able to change the text color on Android using a custom renderer: protected override...
View ArticleXcode 7 - ERROR ITMS-90476
Hi, I compiled my project against the new SDK and XAMARIN update and when i try to commit to AppStore i get: ERROR ITMS-90476 "Invalid Bundle. iPad Multitasking support requires launch story board in...
View ArticleEditor: TextColor property?
Am I missing something, or is there no TextColor property available for the Editor view? It seems inconsistent as the Entry view exposes a TextColor property.
View ArticleWindows Phone possible memory leak
I am coming up against a leak and I don't really know where it is. I have 2 pages. The first one has a listview, with a viewcell but just an empty ContentView in it. and button, the second one has...
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Items control with flow left to right, top to bottom
Hi, I need to create a layout in Xaramin Forms but I am having trouble understanding how to get it done. I need to bind a list of items to the page. the items should be displayed in 2 columns, moving...
View ArticleXamarin Forms SetBinding error in Windows Phone Project
I got following error on SetBinding function while building my windows phone project: **The type 'Expression<>' is defined in an assembly that is not referenced. You must add a reference to...
View ArticleCrash in mono on HttpClient().PostAsync
I need to post data to a webservice from my xamarin.forms application. I get a mono crash on my ipod touch when client.PostAsync is called. I don't (know how to?) get any usable crash data. One thing I...
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