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Building Release Version Fails (The "LinkAssemblies" task failed unexpectedly.)
After adding XLabs' NuGet packages (Core, Platform, Serialization, IoC, Forms, and Forms.Charting), I have been getting the following error when I try to build a release version: C:\Program Files...
View ArticleIs there any plugin for crossplatform that i can use as a file Upload control
I am working on Xamarin forms app and i have page for creating tasks for employees and i need to add funtionality to upload image and files via file upload / camera for each task( For example if the...
View ArticleCombined animation does not repeat
I am trying to implement infinite pulsing animation. I try to do it like this for some View view: var a = new Animation(); a.Add(0, 0.5, new Animation(f => view.Scale = f, 1, 1.2, Easing.Linear,...
View ArticleXamarin forms unusal behavior
Hi, I've updated my xamarin forms to 2.0.1.6495 and suddenly few of my UI screens are not showing up. I'm getting below mentioned exceptions. Also I've attached my xaml file. Ambiguous match found. at...
View ArticleException while scrolling Grouped Listview which is added inside Tableview in...
I Have created a grouped ListView which is added inside TableView, it looks fine but when i scroll the list it crashes and throws the below exception: System.NotSupportedException: Unable to activate...
View ArticleCheckboxes in general, Xamarin.Forms.Switch in particular
Hello, I'm looking for an easy way to show a checkbox in my Xamarin Forms app. This problem seems to be a lot harder than it needs to be. The 'Switch' control built into Xamarin Forms should have been...
View ArticleListView in TableView: Unable to activate instance of type ...ListViewAdapter...
In my shared code project application I'm using something similar to this: List<string> data = new List<string> { "1", "2", "3", "4", "5", "6", "7" }; ListView lv = new ListView() {...
View ArticleCould not register the assembly 'Xamarin.Forms.Labs.iOS'
Hi all, I have updated my Xamarin.Forms project to 1.3.0 and I'm getting the folowing error with Labs: Could not register the assembly 'Xamarin.Forms.Labs.iOS':...
View ArticleBackground service
I am having a difficult time finding documentation on background tasks support for Xamarin.Forms. Does Xamarin.Forms provide support for periodic background tasks? I need to implement this for both...
View ArticleStack layout within a grid
Hi folks, I placed a stack layout within a grid and I don't see my custom controls getting drawn in that stack layout. The stack layout has the grid route and column like the other elements in the...
View ArticleMVVM Xamarin Forms Command Binding not working
Hello Everyone, I am new to this forum, but I encountered a rather annoying problem with Xamarin.Forms. The thing is I cannot Bind a Command to a button. I can see that the constructor of my ViewModel...
View ArticleShowing native iOS Form Sheet from Xamarin.Forms
Hi All, I have a Xamarin app which has some of its screens in Xamarin.iOS and the rest in Xamarin.Forms. I've used the Native2Forms sample project to call the Xamarin.Forms bits from iOS and it all...
View ArticleTimePicker with 24 hour format dialog
Hi. How to set TimePicker show with format 24h for TimerPicker dialog? Format property of TimePicker is working for text entry and not for Timepicker dialog that popped. Tested in Android.
View ArticleImage Auto Height inside the Grid Layout issue
Hi Team, I am working on Sample application to create "like Tile Design with Scroll-able layout". While setting the Grid.ColumnSpan property to Stack layout or Image the height of the image is not set...
View ArticleAndroid VideoView Renderer Back Button
Hey guys, I have a Xamarin.Forms app with an Android PageRenderer used to stream a m3u8 video. The renderer displays the video (after a small delay for buffering) as expected. The issue I'm running...
View ArticleHow can I achieve functionality similar to attached screenshot?
In the attached screenshot is a android app and have list view and on swipe left and add button comes up inside the list view item? I'm trying to achieve the same in my app via Xamarin.Forms but didnt...
View ArticleForms9Patch: Simplify multi-device image management in your PCL Xamarin.Forms...
Announcement of Form9Patch Xamarin Forms is great for developing apps on Android and iOS but it is missing two important tools for developers: scalable images and PCL multi-screen image management....
View ArticleXamarin.Forms tiled background image?
I've seen a few old threads about tiled backgrounds, but they're either abandoned with no answer or they were not about Xamarin.Forms specifically, but about how to implement tiled backgrounds on each...
View ArticleSystem.Uri.GetLeftPart Not Defined and System.UriPartial Doesn't Exist?
I'm creating a Xamarin.Forms app that is trying to use System.Uri.GetLeftPart and System.UriPartial but get errors that indicate System.Uri.GetLeftPart isn't defined and System.UriPartial doesn't...
View ArticleNavigation issue when TabbedPage has ... MORE
I am unable to navigate the user to a page using PushAsync from a TabbedPage in the More list. The problem is easily repeatable and stems from trying to open (PushAsync) another page from ContentPage...
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