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Customizing navigation bar or action bar in xamarin forms
Hi, I am new for Xamarin.Forms. How can I customize action bar in Xamarin forms? i posted question in stackoverflow(link :...
View ArticleThe "xamlCTask" task has been declared or used incorrectly
The "XamlCTask" task could not be instantiated from "C:\"MyPath"\Documents\Visual Studio...
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X.Forms Android Button OnPress Visual Bug
Hey guys, I'm really frustrated and require some help from you. I'm not really new at Xamarin, but some things won't get in my brain. Maybe I haven't understood the entire logic so far. But, my problem...
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Xamarin.Forms.Platform.iOS.LabelRenderer.UpdateTextColor ()
In my scenario, My application (iOS) launches after login at first time. After the logout and login again, I'm getting below error and app crashed on in iOS. my launch page has (Carousel view). IDE :...
View ArticleLocal subscription receipt validation
Hi, I'm looking at implementing receipt validation for an app that uses an auto-renew subscription. I'm using a combination of James' InAppBilling Plugin and a server-side verification of the receipt...
View ArticleHow to show all videos file on device?
Hi everybody! I need to get all videos file on device to a List or Grid view, How to do that? Thank you!
View ArticleHow to resolve ArgumentException: Failed to parse PList data type
After updating Visual Studio to 15.6 today on my Windows PC, and updating Visual Studio and XCode on the Mac, I am getting the following when trying to build my app for iOS. Does anybody know how to...
View ArticleIs there any way to disable certain elements from being rendered in the...
I've recently started Xamarin development, and am heavily reliant on the Xamarin.Forms Previewer to build out the user interfaces for our phone app. Regretfully, I've noticed certain issues with the...
View ArticleGetting a Null Reference Exception when setting the Binding Context to an...
Hi, I'm new to Xamarin.forms. I'm trying to do the following code. private async void Submit_Clicked(object sender, EventArgs eventArgs) { var registeredUser = (Registration)BindingContext; await...
View ArticleThe call is ambiguous between the following methods or properties...
Hello, I have started a new Xamarin.Forms project and after upgraded Xamarin.Forms package (3.0.0.446417), I got this warning on InitializeComponent method call in App.xaml.cs (The call is ambiguous...
View ArticleAdvantage to using Application.Current.Properties over a global variable?
Curious if there is anything special done with Application.Current.Properties that makes it any different than a global variable. When I first wrote our code I wrote a global that stores information...
View ArticlePerformance problem with scrollview
Hey guys! I'm currently developping an application with xamarin in C# for ios and Android and I've come with performance issues. I have 2 pages that are problematic but it may be for the same reason so...
View ArticleAndroid IOnMapReadyCallback Forms 2.3.4
My custom renderer is no longer work with Xamarin Forms 2.3.4. The behavior I am seeing is that none of pins are being drawn on the map if I provide a method for the IOnMapReadyCallback method. It...
View ArticleSetValue: Can not convert System.ReadOnlySpan to type 'Xamarin.Forms.Color'
Getting this weird error(s) after upgrading Visual Studio yesterday: [0:] SetValue: Can not convert System.ReadOnlySpan`1[[System.Char, mscorlib, Version=2.0.5.0, Culture=neutral,...
View ArticleXamarin forms Maps pin Custom Renderer
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e) { base.OnElementPropertyChanged(sender, e); if (e.PropertyName.Equals("VisibleRegion") && !isDrawn) {...
View ArticleMissing Control in WebView renderer for iOS
When I create renderers for Android, then I can use if (Control != null) inside OnElementChanged(ElementChangedEventArgs e) But in iOS project I was able to find only...
View ArticleAccessing content property from second View via ViewModel efficently
My ultimate goal, is to have a fixed header on a ContentPage, and then bind the content property to my other views (ContentView) . I so far have a ViewModel, which i have bound a property called...
View ArticlePossible bug - Sqlite/DateTime
I have an entity that contains a property of "DateTime" type. I save it to the database, then I load it from the database => the Hour is 3 hours back always!!! The other values (Year, Month, Day,...
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Execute a Task with App 'CLOSED'
Well Before than nothing i want say that I don't speak English very well, sorry if I write anything wrong.. "before, i want explain that i don't mean at app open but in pause working in background, i...
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