Are there issues with Binding on Android, or restrictions on property names...
My UI uses binding to the view models. Everything is working well on Windows, WinPhone and iOS, but on Android binding is failing. At run-time, the following is being reported on Android, even though...
View ArticleHow to service Button.Clicked event in a custom ListView.ItemTemplate
If using XAML, it is very easy as all the events are defined in the code behind where all objects of the page are accissible. But I am building UI in the code and servicing a button click event with in...
View ArticleToolbar that slides away when scrolling ListView - or Y scroll position of...
Hi, I'd like to be able to slide a toolbar away as you scroll the listview - like many apps these days do to provide more viewing area in a list. I've already implemented this using "LayoutTo" but that...
View ArticleHow can I make Xamarin.forms TapGestureRecognizer make an audible click sound?
I am using a TapGestureRecognizer for an Image on an Android device. When I tap the image, it is working properly, except there is no audible click noise like there is when I tap any other button.
View ArticleDateTime output in wrong Cultrue
Hey, I am having a problem with the output of a DateTime value. The device culture is German so I expected a DateTime to get formated to the culture but it doesn't work. <Label Text="{Binding...
View ArticleAdd left padding to entry
Is there an easy way to add padding to the left on an entry so the text doesn't start right up against the edge? I know I could do a boxview or something and hack it to make it be similar, but I feel...
View ArticleCustom emoji keyboard for crossplatform
Hello, Im working in chat project what needs a set of my own emoticons. But I couldn't find the way to implement emoji keyboard for cross platform, anyone can help me? Thanks a lot.
View ArticleCan't get context menu working
Hi, I can't seem to get my context MenuItems to fire either the edit or the delete commands indicated below. The menu comes up just fine, but nothing happens. Hopefully someone can help me out....
View ArticleDatabinding to a command inside a DataTemplate
Hi there, I'm just having a play with Xamarin Forms and databinding and am having a problem working out the syntax. Say I've got a view model associated with some XAML. Inside the view model I've got a...
View Articlex:Reference not working?
I'm trying to use a view-to-view binding using x:Reference, but am having no luck. Specifically, I am binding the command/parameter of a TextCell's context actions menu. I wish to bind the command...
View ArticleBind a Command from list view itemTemplate (MenuItem)
Hi all, I have a list view, and I am using Xamarin Forms Content Actions functionality to add some swipe functionality. var moreAction = new MenuItem { Text = "Add Result", }; ContextActions.Add...
View ArticleHow can I force hide the keyboard (as a workaround for a Xamarin Forms bug)
I unfortunately can't share the code as this is for a client, but I'll explain the situation. I have an Entry and a button. Clicking the button hides the entry. If I first click on the entry (bring up...
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Critical performance issue in Xamarin.Forms Layouts
Guys, Right now I'm in the middle of porting process of my huge WinRT project from WPF to XF. I'm trying to keep same architecture and layout and that helped to find serious bottleneck. First of all I...
View ArticleXamarin.Forms java.lang.reflect.InvocationTargetException woes
Hi So the situation for my application is that when loading my app for the first time, It does a check to see if data has been cached, and if so, can it be used to authenticate correctly with a server....
View ArticleThere is no Editor Available for XAML
Hello, I am developing a cross-platform application using Xamarin with Visual Studio 2015. The first question is, it is recommended to develop a professional application using Xamarin with Visual...
View ArticleImageSource.FromResource
Hi all, I have been attempting to work with images and as such have created a PCL class library to keep all my resource images in. It is called Mobile.GTO.Resources. I have referenced the assembly in...
View ArticleHow do I implement an ItemTemplate within a ListView using XAML?
How do I implement an ItemTemplate within a ListView using XAML? If I do not use ItemTemplate, then my binding works and I receive no errors. However, I want to format my list view. As a result, I am...
View ArticleXForms Slider() with MVVM - How to restrain the value Update?
Hello, I'm build and App that communicates with some specific hardware. This hardware controls some lights intensity thru dimmering, so I have and slider to set it from 0 to 100. The problem is: This...
View ArticleDim screen on Android from a form
I now how to dim the screen on Android directly. But how is it done from a form (say a user taps on an on/off switch). Thank you all.
View Articleis System.Net.NetworkInformation.Ping unavailable in Xamarin.Forms?
I'm trying to use Ping in a Xamarin.Forms class but I'm getting a "does not exist in current context" error. I have the using System.Net.NetworkInformation statement and I am able to use other members...
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