which social authentication to use?
Hi, I'm developing a Xamarin forms app. And now I want to implement user authentication. And later posting on facebook. I have looked at teh component store and found many different components. So...
View ArticleIs it possible to disable navigation toolbar items in xamarin.forms?
I'm trying to find a cross-platform way to disable user interaction with navigation toolbar buttons. When the user clicks "done" I make a request and want to prevent any further clicking of "done" or...
View ArticleHow to initialize Entry.Text after it is rendered and shown on screen.
I'd like to initialize an Entry with a text value but only after it is fully rendered. The reason is, if the Text property is initialized before rendering, the Entry grows (its Width increases) for...
View Article2 way binding between slider and entry
Hey guys, so I'm attempting to do something I would assume is fairly simple. Basically I have a Slider and an Entry next to each other. When you slide the slider, I want the Entry field to update with...
View ArticleRetrieving binding information!
Can I retrieve binding information from a given element? If one have in xaml < Entry x:Name="entry1" Text="{Binding MyInfo}" / > I would like retrieve (programatically) that the element 'entry1'...
View ArticleCalling method from a view model
I'm looking to implement a countdown timer which displays the count... 10, 9, 8, 7... 1. Then when it hits 0 it fires a command. I'm unsure what the "right" approach for this would be. I'm using Xaml...
View ArticleImageSource to Stream
Hey guys, I am trying to persist a user photo by converting it to a byte array. The initial placeholder image is loaded using xaml and static resources. The holdup is, that ImageSource is a XF Element...
View ArticleiOS images in Xamarin Forms
So I have an image with 3 different resolutions: camera.png camera@2x.png camera@3x.png All with a build action of "Bundle Resource". If I do ImageSource.FromFile("camera.png"); it always retrieves the...
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Layout errors on Xamarin.Facebook LoginButton
Has somebody has found with this error. I'm using a custom render to use the Facebook LoginButton. On iOS everything goes fine. But Android the button shows like the attached picture. The Text for "Log...
View Articlec.Delegate = null; crashes App on iOS < 8
Hey guys, I am using Xamarin Forms to develop an App as part of my master thesis. Now I got stuck with an iPhone 4 and iOS 7.1. With iOS 8 and 8.4 @ iPhone 6 everything works like a charm. Also on the...
View ArticleGet BindingContext of cell in a ListView
I'm converting a C# layout to XAML. The layout displays a list of Contacts that each have an Id, a PhoneNumber, and a Name property. I have a method CallContact that accepts a Contact as a parameter....
View ArticleImage As Background
Hello, I am working with Xamarin Forms and would like to use an image as the background for some pages. I have several Views and Layouts on different pages, and would like to overlay them onto a...
View ArticleDetect visibility of item on ListView
I'm trying to detect when a ViewCell in a ListView is fully visible on screen, so I can do an action. Imagine something like what Vine or Facebook does that when you scroll up and down, the videos are...
View ArticleHow to exit out of app ???
Hi, i am trying to write exit functionality at some certain page for that i have got a solution i.e--- system.diagnostics.Process.GetCurrentProcess().Closewindow(). but here in my PCL project am unable...
View ArticleUnable to use a grid within a DataTemplate
I am unable to use a grid within a DataTemplate. Specifically, text does not get rendered when using a grid. <ListView ItemsSource="{Binding Services}"> <ListView.ItemTemplate>...
View ArticleDisplay a PDF in a WebView
I've got a pdf file stored locally on the device (or simulator). Should I be able to display that file using a WebView? I've added a WebView in my xaml and set the source to the path and file of the...
View ArticleNested StackLayout does not render completely within a DataTemplate.
I have observed that a nested StackLayout does not render completely within a DataTemplate. Specifically, only name, labor, and LaborCost gets rendered. All other values are ignored. <ListView...
View ArticleHow can I create field level help in Xamarin Forms MVVM project?
I have a Xamarin Forms project targeting iOS, Android and Window Phone. I am using MVVM for this project. All View Models are in a PCL and the UI is mostly in a shared project, such as ProjectUI. So, I...
View ArticleIOS - ScrollView doesnt work on device
Hello, I got the following Problem - Currently I am trying to output a Datagrid (Zumero) in a Stacklayout located in a ScrollView. <ScrollView > <StackLayout x:Name="Scroll" Padding =...
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