Every update of ObservableCollection should run the Converter on ItemSource....
Hello, I have a ListView. The ItemSource is bind to a ObservableCollection. ListView: <ListView xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"...
View ArticleiOS Background image scale
Hi, I noticed many people have the problem of the background image of a forms page not scaling in iOS. I solved it with this code: [assembly: ExportRenderer(typeof(InfoPage), typeof(InfoPage_iOS))]...
View ArticleHow to write tap event for textcell ???
Hi.. can anyone help me with this. actually i tried this code .it's building fine but when am tapping on it the app is closing with error "unfortunately app has stopped." public Action OnMenuTap;...
View ArticlePage Must Not Already Have A Parent Error (Navigation Page)
I get this error when I fast push and pop pages (using back button) many times into navigation stack (tested on iPad Air iOS 8.4). I think that there is a problem with popping pages using native back...
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Oxyplot Run Xamarin forms iOS not found ref to OxyPlot.Xamarin.iOS
I am creating an application in Xamarin Forms and I'll show graphs with OxyPlot, running the Hello World OxyPlot on Android and Windows Phone running, but I have a problem with IOS. When the emulator...
View ArticleCurrent OxyPlot Version not working with current Xamarin.Forms Version
Hallo, the current OxyPlot-Version is not working on all Plattforms. On Android everything works well, but on WindowsPhone and iOS the PlotModel does not appear. The PlotView appears and displays the...
View ArticleHow do I make DatePicker look like a button OR Show Select Date Dialog using...
So I would like to have an "Add To Diary" button and allow the user to then select a date from a dialog to add an item to a diary. Now I can get aDate Picker Dialog using the DatePicker control, but...
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How add CarouselPage into ListView?
How add CarouselPage into ListView? Do anybody have example? I try do it : <ListView ItemsSource="{Binding GroupItems}"> <ListView.ItemTemplate> <DataTemplate> <ViewCell>...
View ArticleHow to use CustomRenderer with CustomUIView
Could anyone give me some hint about how to use a iOS custom UIView like https://github.com/gshackles/JVFloatSharp in CustomRenderer. [assembly: ExportRenderer (typeof (JVFloatLabeledEntry), typeof...
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Please help me, I appear to be a noob -_- -...
So I'm new to Xaramrin and I've picked up alot so far, but each time I debug my app and run it I get this error, I've tried google for a soultion but no luck so hopefully someone can help me. Home.cs...
View ArticleChange Anrdoid's Accent Color From Code
I've been searching around for this but can't seem to find it. Is there a way to change the accent color that is used for the TabbedPage's Selected Tab or the ListView's Selected Item from code at...
View ArticleHow to add image in navigation bar (Title bar) in xamarin.forms
Hi, How to add image in navigation bar (Title bar) in xamarin.forms?
View ArticleCommandParameter binding does not work
I am observing strange behavior when attempting to bind to a CommandParameter. Although the IsEnabled binding works fine, the CommandParameter binding results in a null argument being passed to my...
View ArticleHow to set masterpage icon when IsPresentedChanged property = true and false???
I want to set a masterpage icon when the master menu is popped out and and change it when master menu is popped in.
View ArticleApplication crash when setting SeparatorColor or SeparatorVisibility...
Hi, I have setup a xamarin forms listview with a view cell, but as soon as I set a SeparatorColor or SeparatorVisibilty property to the list view, the application crashes with unhandled exception. Can...
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TabbedPage background on Android with AppCompat
Hello everyone, i am trying to use Xamarin.Android.Support.v7.AppCompat in my new aplication and i saw many tutorials how to use this and i got it: values/style.xml <?xml version="1.0"...
View ArticleGet access to View Controller
Hi - I'm using Xamarin Forms and using Azure Mobile Services to Authenticate. During this process the MobileService.LoginAsync() method is called to authenticate. However I want it to pass a...
View ArticleUnable to scroll unless on a control
I currently have a scrollview with controls inside. However on Windows Phone when I try to scroll the page up and down, the scroll doesn't work unless I am touching a control inside that scroll view....
View ArticleStacklayout/ScrollView extremly slow in Windows Phone...?
Hi all I my app, I show (inter alia) an detail-page with a StackLayout in a ScrollView. The data are queried from a web-service. While the page is shown in about a second in iOS and Android, it takes...
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